44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
subroutine MoonDopJPL(nyear,month,nday,uth4,lon4,lat4,RAMoon4, &
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DecMoon4,LST4,HA4,AzMoon4,ElMoon4,vr4,dist4)
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implicit real*8 (a-h,o-z)
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real*4 uth4 !UT in hours
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real*4 lon4 !East longitude, degrees
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real*4 lat4 !Latitude, degrees
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real*4 RAMoon4 !Topocentric RA of moon, hours
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real*4 DecMoon4 !Topocentric Dec of Moon, degrees
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real*4 LST4 !Locat sidereal time, hours
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real*4 HA4 !Local Hour angle, degrees
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real*4 AzMoon4 !Topocentric Azimuth of moon, degrees
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real*4 ElMoon4 !Topocentric Elevation of moon, degrees
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real*4 vr4 !Radial velocity of moon wrt obs, km/s
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real*4 dist4 !Echo time, seconds
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twopi=8.d0*atan(1.d0) !Define some constants
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rad=360.d0/twopi
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clight=2.99792458d5
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call sla_CLDJ(nyear,month,nday,djutc,j)
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djutc=djutc + uth4/24.d0
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dut=-0.460d0
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east_long=lon4/rad
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geodetic_lat=lat4/rad
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height=40.
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nspecial=0
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call ephem(djutc,dut,east_long,geodetic_lat,height,nspecial, &
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RA,Dec,Az,El,techo,dop,fspread_1GHz,vr)
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RAMoon4=RA
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DecMoon4=Dec
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LST4=0. !These two variables not presently used
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HA4=0.
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AzMoon4=Az*rad
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ElMoon4=El*rad
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vr4=vr
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dist4=techo
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return
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end subroutine MoonDopJPL
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