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[vsnet-campaign 541] New eclipse ephemeris of IY UMa (Oksanen)
- Date: Fri, 27 Oct 2000 05:15:06 +0900 (JST)
- To: vsnet-campaign, vsnet-campaign-dn
- From: Taichi Kato <tkato>
- Subject: [vsnet-campaign 541] New eclipse ephemeris of IY UMa (Oksanen)
- Sender: owner-vsnet-campaign@kusastro.kyoto-u.ac.jp
New eclipse ephemeris of IY UMa (Oksanen)
We have received the following refined ephemeris of IY UMa.
From: Arto.Oksanen@tietoenator.com
Subject: New eclipse ephemeris of IY UMa
Date: Thu, 26 Oct 2000 15:41:04 +0300
I have refined the orbital period of IY Ursae Majoris based to our
observations during January, April and September. The new heliocentric
ephemerids are:
T = 2451818.30578( +/- 0.00017) + 0.07391213( +/- 0.00000020) * E
By our observations the orbital period is 0.1 s shorter than what was
reported in 2000 January superoutburst (Uemura et al. 2000, PASJ 52,L9).
best regards,
arto
--
Arto Oksanen mailto:arto.oksanen@jklsirius.fi
Jyvaskylan Sirius ry, Kyllikinkatu 1, FIN-40100 Jyv=E4skyl=E4, Finland
Tel. +358-14-4157852, Mobile: +358-40-5659438, Fax: +358-14-4157803=20
Nyrola Observatory http://vsnet.ursa.fi/sirius/nytt/nytt_info.html
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