[-dv][-n dec][-f format] [ra dec sys]
itype2otype [date and/or time]
Convert date and time between various formats
- [-dv][-n dec][-f format] itype2otype @file
- itype: nfd=ISOFITS fd=FITS, dt=yyyy.mmdd, hr=hh:mm:ss, deg=dd:mm:ss
- jd=Julian Date, mjd=Modified Julian Date hjd=Heliocentric Julian Date,
mhjd=Modified HJD ep=epoch, epj=Julian epoch, epb=Besselian epoch lt=local
time, ut=UT, ts=seconds since 1950-01-01 now=current time, ang=fractional
degrees
- otype: fd=FITS, dt=yyyy.mmdd, jd=Julian Date, mjd=Modified Julian
Date
- hjd=Heliocentric Julian Date, mhjd=Modified HJD hr=hh:mm:ss, deg=dd:mm:ss,
ang=fractional degrees ep=epoch, epj=Julian epoch, epb=Besselian epoch
ts=seconds since 1950-01-01, tsu=Unix sec, tsi=IRAF sec gst=Greenwich
Sidereal Time, lst=Local Sidereal Time
- @file: First one or two columns are in itype format ra dec sys: Need for
Heliocentric conversions
-a: Append date to input file, if there is one
-d: Print date without time
-e: Print output as ET/TDT/TT converting from UT
-f: Format for output number (C printf)
-h hours: Longitude in hours, west positive
-l degrees: Longitude in degrees, west positive
-n num: Number of decimal places in sec, epoch, JD
-s days: Number of days to subtract
-t: Print time without date
-v: Verbose