mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-22 12:23:37 -05:00
More conversions of .f to .f90.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@7474 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
9dd0cddffa
commit
e5c1c14543
@ -88,11 +88,19 @@ set (FSRCS
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getdphi.f90
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getpfx1.f90
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getpfx2.f90
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graycode.f90
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graycode65.f90
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grid2deg.f90
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grid2k.f90
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indexx.f90
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interleave63.f90
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iqcal.f90
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iqfix.f90
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jt65code.f90
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k2grid.f90
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map65a.f90
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moon2.f90
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moondop.f90
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noisegen.f90
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pfxdump.f90
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recvpkt.f90
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@ -107,14 +115,6 @@ set (FSRCS
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zplot.f90
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f77_wisdom.f
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graycode.f
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grid2deg.f
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grid2k.f
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indexx.f
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interleave63.f
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k2grid.f
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moon2.f
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moondop.f
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nchar.f
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packcall.f
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packdxcc.f
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@ -1,10 +0,0 @@
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subroutine graycode(dat,n,idir)
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integer dat(n)
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do i=1,n
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dat(i)=igray(dat(i),idir)
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enddo
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return
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end
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10
libm65/graycode.f90
Normal file
10
libm65/graycode.f90
Normal file
@ -0,0 +1,10 @@
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subroutine graycode(dat,n,idir)
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integer dat(n)
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do i=1,n
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dat(i)=igray(dat(i),idir)
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enddo
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return
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end subroutine graycode
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@ -1,38 +0,0 @@
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subroutine grid2deg(grid0,dlong,dlat)
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C Converts Maidenhead grid locator to degrees of West longitude
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C and North latitude.
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character*6 grid0,grid
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character*1 g1,g2,g3,g4,g5,g6
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grid=grid0
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i=ichar(grid(5:5))
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if(grid(5:5).eq.' ' .or. i.le.64 .or. i.ge.128) grid(5:6)='mm'
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if(grid(1:1).ge.'a' .and. grid(1:1).le.'z') grid(1:1)=
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+ char(ichar(grid(1:1))+ichar('A')-ichar('a'))
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if(grid(2:2).ge.'a' .and. grid(2:2).le.'z') grid(2:2)=
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+ char(ichar(grid(2:2))+ichar('A')-ichar('a'))
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if(grid(5:5).ge.'A' .and. grid(5:5).le.'Z') grid(5:5)=
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+ char(ichar(grid(5:5))-ichar('A')+ichar('a'))
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if(grid(6:6).ge.'A' .and. grid(6:6).le.'Z') grid(6:6)=
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+ char(ichar(grid(6:6))-ichar('A')+ichar('a'))
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g1=grid(1:1)
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g2=grid(2:2)
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g3=grid(3:3)
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g4=grid(4:4)
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g5=grid(5:5)
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g6=grid(6:6)
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nlong = 180 - 20*(ichar(g1)-ichar('A'))
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n20d = 2*(ichar(g3)-ichar('0'))
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xminlong = 5*(ichar(g5)-ichar('a')+0.5)
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dlong = nlong - n20d - xminlong/60.0
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nlat = -90+10*(ichar(g2)-ichar('A')) + ichar(g4)-ichar('0')
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xminlat = 2.5*(ichar(g6)-ichar('a')+0.5)
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dlat = nlat + xminlat/60.0
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return
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end
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38
libm65/grid2deg.f90
Normal file
38
libm65/grid2deg.f90
Normal file
@ -0,0 +1,38 @@
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subroutine grid2deg(grid0,dlong,dlat)
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! Converts Maidenhead grid locator to degrees of West longitude
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! and North latitude.
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character*6 grid0,grid
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character*1 g1,g2,g3,g4,g5,g6
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grid=grid0
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i=ichar(grid(5:5))
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if(grid(5:5).eq.' ' .or. i.le.64 .or. i.ge.128) grid(5:6)='mm'
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if(grid(1:1).ge.'a' .and. grid(1:1).le.'z') grid(1:1)= &
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char(ichar(grid(1:1))+ichar('A')-ichar('a'))
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if(grid(2:2).ge.'a' .and. grid(2:2).le.'z') grid(2:2)= &
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char(ichar(grid(2:2))+ichar('A')-ichar('a'))
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if(grid(5:5).ge.'A' .and. grid(5:5).le.'Z') grid(5:5)= &
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char(ichar(grid(5:5))-ichar('A')+ichar('a'))
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if(grid(6:6).ge.'A' .and. grid(6:6).le.'Z') grid(6:6)= &
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char(ichar(grid(6:6))-ichar('A')+ichar('a'))
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g1=grid(1:1)
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g2=grid(2:2)
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g3=grid(3:3)
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g4=grid(4:4)
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g5=grid(5:5)
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g6=grid(6:6)
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nlong = 180 - 20*(ichar(g1)-ichar('A'))
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n20d = 2*(ichar(g3)-ichar('0'))
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xminlong = 5*(ichar(g5)-ichar('a')+0.5)
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dlong = nlong - n20d - xminlong/60.0
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nlat = -90+10*(ichar(g2)-ichar('A')) + ichar(g4)-ichar('0')
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xminlat = 2.5*(ichar(g6)-ichar('a')+0.5)
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dlat = nlat + xminlat/60.0
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return
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end subroutine grid2deg
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@ -1,12 +0,0 @@
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subroutine grid2k(grid,k)
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character*6 grid
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call grid2deg(grid,xlong,xlat)
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nlong=nint(xlong)
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nlat=nint(xlat)
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k=0
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if(nlat.ge.85) k=5*(nlong+179)/2 + nlat-84
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return
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end
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12
libm65/grid2k.f90
Normal file
12
libm65/grid2k.f90
Normal file
@ -0,0 +1,12 @@
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subroutine grid2k(grid,k)
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character*6 grid
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call grid2deg(grid,xlong,xlat)
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nlong=nint(xlong)
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nlat=nint(xlat)
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k=0
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if(nlat.ge.85) k=5*(nlong+179)/2 + nlat-84
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return
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end subroutine grid2k
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@ -1,19 +0,0 @@
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subroutine indexx(n,arr,indx)
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parameter (NMAX=3000)
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integer indx(n)
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real arr(n)
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real brr(NMAX)
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if(n.gt.NMAX) then
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print*,'n=',n,' too big in indexx.'
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stop
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endif
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do i=1,n
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brr(i)=arr(i)
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indx(i)=i
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enddo
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call ssort(brr,indx,n,2)
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return
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end
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19
libm65/indexx.f90
Normal file
19
libm65/indexx.f90
Normal file
@ -0,0 +1,19 @@
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subroutine indexx(n,arr,indx)
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parameter (NMAX=3000)
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integer indx(n)
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real arr(n)
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real brr(NMAX)
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if(n.gt.NMAX) then
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print*,'n=',n,' too big in indexx.'
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stop
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endif
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do i=1,n
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brr(i)=arr(i)
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indx(i)=i
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enddo
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call ssort(brr,indx,n,2)
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return
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end subroutine indexx
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@ -1,25 +0,0 @@
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subroutine interleave63(d1,idir)
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C Interleave (idir=1) or de-interleave (idir=-1) the array d1.
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integer d1(0:6,0:8)
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integer d2(0:8,0:6)
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if(idir.ge.0) then
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do i=0,6
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do j=0,8
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d2(j,i)=d1(i,j)
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enddo
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enddo
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call move(d2,d1,63)
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else
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call move(d1,d2,63)
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do i=0,6
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do j=0,8
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d1(i,j)=d2(j,i)
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enddo
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enddo
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endif
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return
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end
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25
libm65/interleave63.f90
Normal file
25
libm65/interleave63.f90
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@ -0,0 +1,25 @@
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subroutine interleave63(d1,idir)
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! Interleave (idir=1) or de-interleave (idir=-1) the array d1.
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integer d1(0:6,0:8)
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integer d2(0:8,0:6)
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if(idir.ge.0) then
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do i=0,6
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do j=0,8
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d2(j,i)=d1(i,j)
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enddo
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enddo
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call move(d2,d1,63)
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else
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call move(d1,d2,63)
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do i=0,6
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do j=0,8
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d1(i,j)=d2(j,i)
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enddo
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enddo
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endif
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return
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end subroutine interleave63
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@ -1,12 +0,0 @@
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subroutine k2grid(k,grid)
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character grid*6
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nlong=2*mod((k-1)/5,90)-179
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if(k.gt.450) nlong=nlong+180
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nlat=mod(k-1,5)+ 85
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dlat=nlat
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dlong=nlong
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call deg2grid(dlong,dlat,grid)
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return
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end
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12
libm65/k2grid.f90
Normal file
12
libm65/k2grid.f90
Normal file
@ -0,0 +1,12 @@
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subroutine k2grid(k,grid)
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character grid*6
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nlong=2*mod((k-1)/5,90)-179
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if(k.gt.450) nlong=nlong+180
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nlat=mod(k-1,5)+ 85
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dlat=nlat
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dlong=nlong
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call deg2grid(dlong,dlat,grid)
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return
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end subroutine k2grid
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167
libm65/moon2.f
167
libm65/moon2.f
@ -1,167 +0,0 @@
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subroutine moon2(y,m,Day,UT,lon,lat,RA,Dec,topRA,topDec,
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+ LST,HA,Az,El,dist)
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implicit none
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integer y !Year
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integer m !Month
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integer Day !Day
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real*8 UT !UTC in hours
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real*8 RA,Dec !RA and Dec of moon
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C NB: Double caps are single caps in the writeup.
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real*8 NN !Longitude of ascending node
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real*8 i !Inclination to the ecliptic
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real*8 w !Argument of perigee
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real*8 a !Semi-major axis
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real*8 e !Eccentricity
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real*8 MM !Mean anomaly
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real*8 v !True anomaly
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real*8 EE !Eccentric anomaly
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real*8 ecl !Obliquity of the ecliptic
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real*8 d !Ephemeris time argument in days
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real*8 r !Distance to sun, AU
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real*8 xv,yv !x and y coords in ecliptic
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real*8 lonecl,latecl !Ecliptic long and lat of moon
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real*8 xg,yg,zg !Ecliptic rectangular coords
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real*8 Ms !Mean anomaly of sun
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real*8 ws !Argument of perihelion of sun
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real*8 Ls !Mean longitude of sun (Ns=0)
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real*8 Lm !Mean longitude of moon
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real*8 DD !Mean elongation of moon
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real*8 FF !Argument of latitude for moon
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real*8 xe,ye,ze !Equatorial geocentric coords of moon
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real*8 mpar !Parallax of moon (r_E / d)
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real*8 lat,lon !Station coordinates on earth
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real*8 gclat !Geocentric latitude
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real*8 rho !Earth radius factor
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real*8 GMST0,LST,HA
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real*8 g
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real*8 topRA,topDec !Topocentric coordinates of Moon
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real*8 Az,El
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real*8 dist
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real*8 rad,twopi,pi,pio2
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data rad/57.2957795131d0/,twopi/6.283185307d0/
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d=367*y - 7*(y+(m+9)/12)/4 + 275*m/9 + Day - 730530 + UT/24.d0
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ecl = 23.4393d0 - 3.563d-7 * d
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C Orbital elements for Moon:
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NN = 125.1228d0 - 0.0529538083d0 * d
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i = 5.1454d0
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w = mod(318.0634d0 + 0.1643573223d0 * d + 360000.d0,360.d0)
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a = 60.2666d0
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e = 0.054900d0
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MM = mod(115.3654d0 + 13.0649929509d0 * d + 360000.d0,360.d0)
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EE = MM + e*rad*sin(MM/rad) * (1.d0 + e*cos(MM/rad))
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EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
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EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
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xv = a * (cos(EE/rad) - e)
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yv = a * (sqrt(1.d0-e*e) * sin(EE/rad))
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v = mod(rad*atan2(yv,xv)+720.d0,360.d0)
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r = sqrt(xv*xv + yv*yv)
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C Get geocentric position in ecliptic rectangular coordinates:
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xg = r * (cos(NN/rad)*cos((v+w)/rad) -
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+ sin(NN/rad)*sin((v+w)/rad)*cos(i/rad))
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yg = r * (sin(NN/rad)*cos((v+w)/rad) +
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+ cos(NN/rad)*sin((v+w)/rad)*cos(i/rad))
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zg = r * (sin((v+w)/rad)*sin(i/rad))
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C Ecliptic longitude and latitude of moon:
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lonecl = mod(rad*atan2(yg/rad,xg/rad)+720.d0,360.d0)
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latecl = rad*atan2(zg/rad,sqrt(xg*xg + yg*yg)/rad)
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C Now include orbital perturbations:
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Ms = mod(356.0470d0 + 0.9856002585d0 * d + 3600000.d0,360.d0)
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ws = 282.9404d0 + 4.70935d-5*d
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Ls = mod(Ms + ws + 720.d0,360.d0)
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Lm = mod(MM + w + NN+720.d0,360.d0)
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DD = mod(Lm - Ls + 360.d0,360.d0)
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FF = mod(Lm - NN + 360.d0,360.d0)
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lonecl = lonecl
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+ -1.274d0 * sin((MM-2.d0*DD)/rad)
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+ +0.658d0 * sin(2.d0*DD/rad)
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+ -0.186d0 * sin(Ms/rad)
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+ -0.059d0 * sin((2.d0*MM-2.d0*DD)/rad)
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+ -0.057d0 * sin((MM-2.d0*DD+Ms)/rad)
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+ +0.053d0 * sin((MM+2.d0*DD)/rad)
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+ +0.046d0 * sin((2.d0*DD-Ms)/rad)
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+ +0.041d0 * sin((MM-Ms)/rad)
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+ -0.035d0 * sin(DD/rad)
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+ -0.031d0 * sin((MM+Ms)/rad)
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+ -0.015d0 * sin((2.d0*FF-2.d0*DD)/rad)
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+ +0.011d0 * sin((MM-4.d0*DD)/rad)
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latecl = latecl
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+ -0.173d0 * sin((FF-2.d0*DD)/rad)
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+ -0.055d0 * sin((MM-FF-2.d0*DD)/rad)
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+ -0.046d0 * sin((MM+FF-2.d0*DD)/rad)
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+ +0.033d0 * sin((FF+2.d0*DD)/rad)
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+ +0.017d0 * sin((2.d0*MM+FF)/rad)
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r = 60.36298d0
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+ - 3.27746d0*cos(MM/rad)
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+ - 0.57994d0*cos((MM-2.d0*DD)/rad)
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+ - 0.46357d0*cos(2.d0*DD/rad)
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+ - 0.08904d0*cos(2.d0*MM/rad)
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+ + 0.03865d0*cos((2.d0*MM-2.d0*DD)/rad)
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+ - 0.03237d0*cos((2.d0*DD-Ms)/rad)
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+ - 0.02688d0*cos((MM+2.d0*DD)/rad)
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+ - 0.02358d0*cos((MM-2.d0*DD+Ms)/rad)
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+ - 0.02030d0*cos((MM-Ms)/rad)
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+ + 0.01719d0*cos(DD/rad)
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+ + 0.01671d0*cos((MM+Ms)/rad)
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dist=r*6378.140d0
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C Geocentric coordinates:
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C Rectangular ecliptic coordinates of the moon:
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xg = r * cos(lonecl/rad)*cos(latecl/rad)
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yg = r * sin(lonecl/rad)*cos(latecl/rad)
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zg = r * sin(latecl/rad)
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C Rectangular equatorial coordinates of the moon:
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xe = xg
|
||||
ye = yg*cos(ecl/rad) - zg*sin(ecl/rad)
|
||||
ze = yg*sin(ecl/rad) + zg*cos(ecl/rad)
|
||||
|
||||
C Right Ascension, Declination:
|
||||
RA = mod(rad*atan2(ye,xe)+360.d0,360.d0)
|
||||
Dec = rad*atan2(ze,sqrt(xe*xe + ye*ye))
|
||||
|
||||
C Now convert to topocentric system:
|
||||
mpar=rad*asin(1.d0/r)
|
||||
C alt_topoc = alt_geoc - mpar*cos(alt_geoc)
|
||||
gclat = lat - 0.1924d0*sin(2.d0*lat/rad)
|
||||
rho = 0.99883d0 + 0.00167d0*cos(2.d0*lat/rad)
|
||||
GMST0 = (Ls + 180.d0)/15.d0
|
||||
LST = mod(GMST0+UT+lon/15.d0+48.d0,24.d0) !LST in hours
|
||||
HA = 15.d0*LST - RA !HA in degrees
|
||||
g = rad*atan(tan(gclat/rad)/cos(HA/rad))
|
||||
topRA = RA - mpar*rho*cos(gclat/rad)*sin(HA/rad)/cos(Dec/rad)
|
||||
topDec = Dec - mpar*rho*sin(gclat/rad)*sin((g-Dec)/rad)/sin(g/rad)
|
||||
|
||||
HA = 15.d0*LST - topRA !HA in degrees
|
||||
if(HA.gt.180.d0) HA=HA-360.d0
|
||||
if(HA.lt.-180.d0) HA=HA+360.d0
|
||||
|
||||
pi=0.5d0*twopi
|
||||
pio2=0.5d0*pi
|
||||
call dcoord(pi,pio2-lat/rad,0.d0,lat/rad,ha*twopi/360,
|
||||
+ topDec/rad,az,el)
|
||||
Az=az*rad
|
||||
El=El*rad
|
||||
|
||||
return
|
||||
end
|
||||
163
libm65/moon2.f90
Normal file
163
libm65/moon2.f90
Normal file
@ -0,0 +1,163 @@
|
||||
subroutine moon2(y,m,Day,UT,lon,lat,RA,Dec,topRA,topDec,LST,HA,Az,El,dist)
|
||||
|
||||
implicit none
|
||||
|
||||
integer y !Year
|
||||
integer m !Month
|
||||
integer Day !Day
|
||||
real*8 UT !UTC in hours
|
||||
real*8 RA,Dec !RA and Dec of moon
|
||||
|
||||
! NB: Double caps are single caps in the writeup.
|
||||
|
||||
real*8 NN !Longitude of ascending node
|
||||
real*8 i !Inclination to the ecliptic
|
||||
real*8 w !Argument of perigee
|
||||
real*8 a !Semi-major axis
|
||||
real*8 e !Eccentricity
|
||||
real*8 MM !Mean anomaly
|
||||
|
||||
real*8 v !True anomaly
|
||||
real*8 EE !Eccentric anomaly
|
||||
real*8 ecl !Obliquity of the ecliptic
|
||||
|
||||
real*8 d !Ephemeris time argument in days
|
||||
real*8 r !Distance to sun, AU
|
||||
real*8 xv,yv !x and y coords in ecliptic
|
||||
real*8 lonecl,latecl !Ecliptic long and lat of moon
|
||||
real*8 xg,yg,zg !Ecliptic rectangular coords
|
||||
real*8 Ms !Mean anomaly of sun
|
||||
real*8 ws !Argument of perihelion of sun
|
||||
real*8 Ls !Mean longitude of sun (Ns=0)
|
||||
real*8 Lm !Mean longitude of moon
|
||||
real*8 DD !Mean elongation of moon
|
||||
real*8 FF !Argument of latitude for moon
|
||||
real*8 xe,ye,ze !Equatorial geocentric coords of moon
|
||||
real*8 mpar !Parallax of moon (r_E / d)
|
||||
real*8 lat,lon !Station coordinates on earth
|
||||
real*8 gclat !Geocentric latitude
|
||||
real*8 rho !Earth radius factor
|
||||
real*8 GMST0,LST,HA
|
||||
real*8 g
|
||||
real*8 topRA,topDec !Topocentric coordinates of Moon
|
||||
real*8 Az,El
|
||||
real*8 dist
|
||||
|
||||
real*8 rad,twopi,pi,pio2
|
||||
data rad/57.2957795131d0/,twopi/6.283185307d0/
|
||||
|
||||
d=367*y - 7*(y+(m+9)/12)/4 + 275*m/9 + Day - 730530 + UT/24.d0
|
||||
ecl = 23.4393d0 - 3.563d-7 * d
|
||||
|
||||
! Orbital elements for Moon:
|
||||
NN = 125.1228d0 - 0.0529538083d0 * d
|
||||
i = 5.1454d0
|
||||
w = mod(318.0634d0 + 0.1643573223d0 * d + 360000.d0,360.d0)
|
||||
a = 60.2666d0
|
||||
e = 0.054900d0
|
||||
MM = mod(115.3654d0 + 13.0649929509d0 * d + 360000.d0,360.d0)
|
||||
|
||||
EE = MM + e*rad*sin(MM/rad) * (1.d0 + e*cos(MM/rad))
|
||||
EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
|
||||
EE = EE - (EE - e*rad*sin(EE/rad)-MM) / (1.d0 - e*cos(EE/rad))
|
||||
|
||||
xv = a * (cos(EE/rad) - e)
|
||||
yv = a * (sqrt(1.d0-e*e) * sin(EE/rad))
|
||||
|
||||
v = mod(rad*atan2(yv,xv)+720.d0,360.d0)
|
||||
r = sqrt(xv*xv + yv*yv)
|
||||
|
||||
! Get geocentric position in ecliptic rectangular coordinates:
|
||||
|
||||
xg = r * (cos(NN/rad)*cos((v+w)/rad)-sin(NN/rad)*sin((v+w)/rad)*cos(i/rad))
|
||||
yg = r * (sin(NN/rad)*cos((v+w)/rad)+cos(NN/rad)*sin((v+w)/rad)*cos(i/rad))
|
||||
zg = r * (sin((v+w)/rad)*sin(i/rad))
|
||||
|
||||
! Ecliptic longitude and latitude of moon:
|
||||
lonecl = mod(rad*atan2(yg/rad,xg/rad)+720.d0,360.d0)
|
||||
latecl = rad*atan2(zg/rad,sqrt(xg*xg + yg*yg)/rad)
|
||||
|
||||
! Now include orbital perturbations:
|
||||
Ms = mod(356.0470d0 + 0.9856002585d0 * d + 3600000.d0,360.d0)
|
||||
ws = 282.9404d0 + 4.70935d-5*d
|
||||
Ls = mod(Ms + ws + 720.d0,360.d0)
|
||||
Lm = mod(MM + w + NN+720.d0,360.d0)
|
||||
DD = mod(Lm - Ls + 360.d0,360.d0)
|
||||
FF = mod(Lm - NN + 360.d0,360.d0)
|
||||
|
||||
lonecl = lonecl &
|
||||
- 1.274d0 * sin((MM-2.d0*DD)/rad) &
|
||||
+ 0.658d0 * sin(2.d0*DD/rad) &
|
||||
- 0.186d0 * sin(Ms/rad) &
|
||||
- 0.059d0 * sin((2.d0*MM-2.d0*DD)/rad) &
|
||||
- 0.057d0 * sin((MM-2.d0*DD+Ms)/rad) &
|
||||
+ 0.053d0 * sin((MM+2.d0*DD)/rad) &
|
||||
+ 0.046d0 * sin((2.d0*DD-Ms)/rad) &
|
||||
+ 0.041d0 * sin((MM-Ms)/rad) &
|
||||
- 0.035d0 * sin(DD/rad) &
|
||||
- 0.031d0 * sin((MM+Ms)/rad) &
|
||||
- 0.015d0 * sin((2.d0*FF-2.d0*DD)/rad) &
|
||||
+ 0.011d0 * sin((MM-4.d0*DD)/rad)
|
||||
|
||||
latecl = latecl &
|
||||
- 0.173d0 * sin((FF-2.d0*DD)/rad) &
|
||||
- 0.055d0 * sin((MM-FF-2.d0*DD)/rad) &
|
||||
- 0.046d0 * sin((MM+FF-2.d0*DD)/rad) &
|
||||
+ 0.033d0 * sin((FF+2.d0*DD)/rad) &
|
||||
+ 0.017d0 * sin((2.d0*MM+FF)/rad)
|
||||
|
||||
r = 60.36298d0 &
|
||||
- 3.27746d0*cos(MM/rad) &
|
||||
- 0.57994d0*cos((MM-2.d0*DD)/rad) &
|
||||
- 0.46357d0*cos(2.d0*DD/rad) &
|
||||
- 0.08904d0*cos(2.d0*MM/rad) &
|
||||
+ 0.03865d0*cos((2.d0*MM-2.d0*DD)/rad) &
|
||||
- 0.03237d0*cos((2.d0*DD-Ms)/rad) &
|
||||
- 0.02688d0*cos((MM+2.d0*DD)/rad) &
|
||||
- 0.02358d0*cos((MM-2.d0*DD+Ms)/rad) &
|
||||
- 0.02030d0*cos((MM-Ms)/rad) &
|
||||
+ 0.01719d0*cos(DD/rad) &
|
||||
+ 0.01671d0*cos((MM+Ms)/rad)
|
||||
|
||||
dist=r*6378.140d0
|
||||
|
||||
! Geocentric coordinates:
|
||||
! Rectangular ecliptic coordinates of the moon:
|
||||
|
||||
xg = r * cos(lonecl/rad)*cos(latecl/rad)
|
||||
yg = r * sin(lonecl/rad)*cos(latecl/rad)
|
||||
zg = r * sin(latecl/rad)
|
||||
|
||||
! Rectangular equatorial coordinates of the moon:
|
||||
xe = xg
|
||||
ye = yg*cos(ecl/rad) - zg*sin(ecl/rad)
|
||||
ze = yg*sin(ecl/rad) + zg*cos(ecl/rad)
|
||||
|
||||
! Right Ascension, Declination:
|
||||
RA = mod(rad*atan2(ye,xe)+360.d0,360.d0)
|
||||
Dec = rad*atan2(ze,sqrt(xe*xe + ye*ye))
|
||||
|
||||
! Now convert to topocentric system:
|
||||
mpar=rad*asin(1.d0/r)
|
||||
! alt_topoc = alt_geoc - mpar*cos(alt_geoc)
|
||||
gclat = lat - 0.1924d0*sin(2.d0*lat/rad)
|
||||
rho = 0.99883d0 + 0.00167d0*cos(2.d0*lat/rad)
|
||||
GMST0 = (Ls + 180.d0)/15.d0
|
||||
LST = mod(GMST0+UT+lon/15.d0+48.d0,24.d0) !LST in hours
|
||||
HA = 15.d0*LST - RA !HA in degrees
|
||||
g = rad*atan(tan(gclat/rad)/cos(HA/rad))
|
||||
topRA = RA - mpar*rho*cos(gclat/rad)*sin(HA/rad)/cos(Dec/rad)
|
||||
topDec = Dec - mpar*rho*sin(gclat/rad)*sin((g-Dec)/rad)/sin(g/rad)
|
||||
|
||||
HA = 15.d0*LST - topRA !HA in degrees
|
||||
if(HA.gt.180.d0) HA=HA-360.d0
|
||||
if(HA.lt.-180.d0) HA=HA+360.d0
|
||||
|
||||
pi=0.5d0*twopi
|
||||
pio2=0.5d0*pi
|
||||
call dcoord(pi,pio2-lat/rad,0.d0,lat/rad,ha*twopi/360,topDec/rad,az,el)
|
||||
Az=az*rad
|
||||
El=El*rad
|
||||
|
||||
return
|
||||
end subroutine moon2
|
||||
@ -1,73 +0,0 @@
|
||||
subroutine MoonDop(nyear,month,nday,uth4,lon4,lat4,RAMoon4,
|
||||
+ DecMoon4,LST4,HA4,AzMoon4,ElMoon4,vr4,dist4)
|
||||
|
||||
implicit real*8 (a-h,o-z)
|
||||
real*4 uth4 !UT in hours
|
||||
real*4 lon4 !West longitude, degrees
|
||||
real*4 lat4 !Latitude, degrees
|
||||
real*4 RAMoon4 !Topocentric RA of moon, hours
|
||||
real*4 DecMoon4 !Topocentric Dec of Moon, degrees
|
||||
real*4 LST4 !Locat sidereal time, hours
|
||||
real*4 HA4 !Local Hour angle, degrees
|
||||
real*4 AzMoon4 !Topocentric Azimuth of moon, degrees
|
||||
real*4 ElMoon4 !Topocentric Elevation of moon, degrees
|
||||
real*4 vr4 !Radial velocity of moon wrt obs, km/s
|
||||
real*4 dist4 !Echo time, seconds
|
||||
|
||||
real*8 LST
|
||||
real*8 RME(6) !Vector from Earth center to Moon
|
||||
real*8 RAE(6) !Vector from Earth center to Obs
|
||||
real*8 RMA(6) !Vector from Obs to Moon
|
||||
real*8 pvsun(6)
|
||||
real*8 rme0(6)
|
||||
logical km,bary
|
||||
|
||||
data rad/57.2957795130823d0/,twopi/6.28310530717959d0/
|
||||
|
||||
km=.true.
|
||||
dlat=lat4/rad
|
||||
dlong1=lon4/rad
|
||||
elev1=200.d0
|
||||
call geocentric(dlat,elev1,dlat1,erad1)
|
||||
|
||||
dt=100.d0 !For numerical derivative, in seconds
|
||||
UT=uth4
|
||||
|
||||
C NB: geodetic latitude used here, but geocentric latitude used when
|
||||
C determining Earth-rotation contribution to Doppler.
|
||||
|
||||
call moon2(nyear,month,nDay,UT-dt/3600.d0,dlong1*rad,dlat*rad,
|
||||
+ RA,Dec,topRA,topDec,LST,HA,Az0,El0,dist)
|
||||
call toxyz(RA/rad,Dec/rad,dist,rme0) !Convert to rectangular coords
|
||||
|
||||
call moon2(nyear,month,nDay,UT,dlong1*rad,dlat*rad,
|
||||
+ RA,Dec,topRA,topDec,LST,HA,Az,El,dist)
|
||||
call toxyz(RA/rad,Dec/rad,dist,rme) !Convert to rectangular coords
|
||||
|
||||
phi=LST*twopi/24.d0
|
||||
call toxyz(phi,dlat1,erad1,rae) !Gencentric numbers used here!
|
||||
radps=twopi/(86400.d0/1.002737909d0)
|
||||
rae(4)=-rae(2)*radps !Vel of Obs wrt Earth center
|
||||
rae(5)=rae(1)*radps
|
||||
rae(6)=0.d0
|
||||
|
||||
do i=1,3
|
||||
rme(i+3)=(rme(i)-rme0(i))/dt
|
||||
rma(i)=rme(i)-rae(i)
|
||||
rma(i+3)=rme(i+3)-rae(i+3)
|
||||
enddo
|
||||
|
||||
call fromxyz(rma,alpha1,delta1,dtopo0) !Get topocentric coords
|
||||
vr=dot(rma(4),rma)/dtopo0
|
||||
|
||||
RAMoon4=topRA
|
||||
DecMoon4=topDec
|
||||
LST4=LST
|
||||
HA4=HA
|
||||
AzMoon4=Az
|
||||
ElMoon4=El
|
||||
vr4=vr
|
||||
dist4=dist
|
||||
|
||||
return
|
||||
end
|
||||
73
libm65/moondop.f90
Normal file
73
libm65/moondop.f90
Normal file
@ -0,0 +1,73 @@
|
||||
subroutine MoonDop(nyear,month,nday,uth4,lon4,lat4,RAMoon4,DecMoon4, &
|
||||
LST4,HA4,AzMoon4,ElMoon4,vr4,dist4)
|
||||
|
||||
implicit real*8 (a-h,o-z)
|
||||
real*4 uth4 !UT in hours
|
||||
real*4 lon4 !West longitude, degrees
|
||||
real*4 lat4 !Latitude, degrees
|
||||
real*4 RAMoon4 !Topocentric RA of moon, hours
|
||||
real*4 DecMoon4 !Topocentric Dec of Moon, degrees
|
||||
real*4 LST4 !Locat sidereal time, hours
|
||||
real*4 HA4 !Local Hour angle, degrees
|
||||
real*4 AzMoon4 !Topocentric Azimuth of moon, degrees
|
||||
real*4 ElMoon4 !Topocentric Elevation of moon, degrees
|
||||
real*4 vr4 !Radial velocity of moon wrt obs, km/s
|
||||
real*4 dist4 !Echo time, seconds
|
||||
|
||||
real*8 LST
|
||||
real*8 RME(6) !Vector from Earth center to Moon
|
||||
real*8 RAE(6) !Vector from Earth center to Obs
|
||||
real*8 RMA(6) !Vector from Obs to Moon
|
||||
real*8 pvsun(6)
|
||||
real*8 rme0(6)
|
||||
logical km,bary
|
||||
|
||||
data rad/57.2957795130823d0/,twopi/6.28310530717959d0/
|
||||
|
||||
km=.true.
|
||||
dlat=lat4/rad
|
||||
dlong1=lon4/rad
|
||||
elev1=200.d0
|
||||
call geocentric(dlat,elev1,dlat1,erad1)
|
||||
|
||||
dt=100.d0 !For numerical derivative, in seconds
|
||||
UT=uth4
|
||||
|
||||
! NB: geodetic latitude used here, but geocentric latitude used when
|
||||
! determining Earth-rotation contribution to Doppler.
|
||||
|
||||
call moon2(nyear,month,nDay,UT-dt/3600.d0,dlong1*rad,dlat*rad, &
|
||||
RA,Dec,topRA,topDec,LST,HA,Az0,El0,dist)
|
||||
call toxyz(RA/rad,Dec/rad,dist,rme0) !Convert to rectangular coords
|
||||
|
||||
call moon2(nyear,month,nDay,UT,dlong1*rad,dlat*rad, &
|
||||
RA,Dec,topRA,topDec,LST,HA,Az,El,dist)
|
||||
call toxyz(RA/rad,Dec/rad,dist,rme) !Convert to rectangular coords
|
||||
|
||||
phi=LST*twopi/24.d0
|
||||
call toxyz(phi,dlat1,erad1,rae) !Gencentric numbers used here!
|
||||
radps=twopi/(86400.d0/1.002737909d0)
|
||||
rae(4)=-rae(2)*radps !Vel of Obs wrt Earth center
|
||||
rae(5)=rae(1)*radps
|
||||
rae(6)=0.d0
|
||||
|
||||
do i=1,3
|
||||
rme(i+3)=(rme(i)-rme0(i))/dt
|
||||
rma(i)=rme(i)-rae(i)
|
||||
rma(i+3)=rme(i+3)-rae(i+3)
|
||||
enddo
|
||||
|
||||
call fromxyz(rma,alpha1,delta1,dtopo0) !Get topocentric coords
|
||||
vr=dot(rma(4),rma)/dtopo0
|
||||
|
||||
RAMoon4=topRA
|
||||
DecMoon4=topDec
|
||||
LST4=LST
|
||||
HA4=HA
|
||||
AzMoon4=Az
|
||||
ElMoon4=El
|
||||
vr4=vr
|
||||
dist4=dist
|
||||
|
||||
return
|
||||
end subroutine MoonDop
|
||||
Loading…
Reference in New Issue
Block a user