[vsnet-alert 24854] eta Gem eclipse?
Taichi Kato
tkato at kusastro.kyoto-u.ac.jp
Mon Oct 26 10:21:10 JST 2020
eta Gem eclipse?
Ohshima-san has pointed out that eta Gem is very faint.
According to GCVS,
VB A (B 8.8m, GO III - IV, 1.60", 269.4deg, 1977). SB1
(P = 2983d [09236]). Epoch of Min brightness is given.
The deepest minima (corresponding to the middles of the
descending branches of the radial velocity curve) are
satisfied by the elements: Min = 2429355 + 2984d*E
Recent data:
YYYYMMDD(UT) mag observer
20200829.757 35 (Tomohito Ohshima)
20200903.791 35 (Tomohito Ohshima)
20200916.092 3.27 (Pavol A. Dubovsky)
20200921.692 34 (Tomohito Ohshima)
20200923.069 3.27 (Pavol A. Dubovsky)
20200926.769 35 (Tomohito Ohshima)
20201001.717 1.92Rj (Yojiro Ogane)
20201001.719 3.47V (Yojiro Ogane)
20201001.721 5.00B (Yojiro Ogane)
20201013.767 34 (Tomohito Ohshima)
20201018.642 2.10Rj (Yojiro Ogane)
20201018.642 3.67V (Yojiro Ogane)
20201018.644 5.20B (Yojiro Ogane)
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