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[vsnet-chat 2694] Re: OY Car eclipse ephemeris
- Date: Sat, 26 Feb 2000 20:16:21 +0900 (JST)
- To: vsnet-chat
- From: Taichi Kato <tkato>
- Subject: [vsnet-chat 2694] Re: OY Car eclipse ephemeris
- Cc: astroman@voyager.co.nz
- Sender: owner-vsnet-chat@kusastro.kyoto-u.ac.jp
Re: OY Car eclipse ephemeris
> I've just been reducing a run on this star. In doing so I noticed that your
> eclipse ephemeris gives heliocentric times, not geocentric. I obtained
> times of eclipses in JD (no HC applied) 599.87479, 599.93818, 600.00138.
The times were geocentric. The difference was simply caused by the
different ephemeris. The elements I used were
Min HJD = 2443993.55369 + 0.0631209295 E
Eclipses are prediced ~90 sec later than on the other elements (used
in GCVS?)
Min.HJD = 2443993.553241 + 0.0631209247 E
Regards,
Taichi Kato
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