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Latest Details
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Name
  BD And  
AAVSO UID
000-BDC-635 (6788 observations)  
Constellation
Andromeda Sequence
J2000.0
23 07 05.17 +50 57 30.9  (346.77154 +50.95858) Search nearby
B1950.0 23 04 50.41 +50 41 16.1
Proper motion
RA: 34.9 +/- 0.7 mas/yDec: 4.9 +/- 1.0 mas/ySource: UCAC4
Galactic coord. 106.664 -8.587
Other names

(Internal only)
2MASS J23070516+5057309 AAVSO 2302+50 AN 462.1937
GSC 03635-01320 SVS 830 TYC 3635-1320-1
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Variability type
EA/RS
Spectral type G1V+G1V+G6/7V
Mag. range
10.87 - 11.44 V
Discoverer --
Epoch
08 Aug 1954 (HJD 2434963.0098) Ephemeris
Outburst --
Period 0.92579852 d  (22.219164 h)
Rise/eclipse dur. 15%
Remarks
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1 Otero, Sebastian Alberto Light-time effect due to a tertiary moving in a highly elliptical orbit (e3 = 0.76) with P= 9.2 yrs.
2 GCVS Team Min II 11.4.
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References
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1 Kim, C.-H.; Song, M.-H.; Yoon, J.-N.; et al., 2014, BD Andromedae: A New
Short-period RS CVn Eclipsing Binary Star with a Distant Tertiary Body in a
Highly Eccentric Orbit
2014ApJ...788..134K
2 K. Honková; J. Jurysek; M. Lehký; et al., 2013, OEJV #160 2013OEJV..160....1H
3 E. Sipahi, H.A. Dal, 2013, arXiv:1306.2750 [astro-ph.SR] 2013arXiv1306.2750S
4 N.F.Florja, Tr. Gos. Astron. Inst. Sternberg 16, 187, 1949. 1949TrSht..16..187F
5 Bob Nelson's O-C files, 2016 --
6 T.A.Azarnova, Manuscript. --
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 9.50H = 9.16K = 9.05J - K = 0.45
AllWISE W1 = 8.92W2 = 8.91W3 = 8.89W4 = 9.18W1 - W2 = 0.01W3 - W4 = -0.29
APASS-DR9 B = 11.56V = 10.86g' = 11.30r' = 10.70i' = 10.39B - V = 0.70
Images
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Supporting Documents
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Stellar Association Membership
 ASCC 126 Open Cluster 2012A&A...548A..97Z
Revision History
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5 Otero, Sebastian Alberto 2019-01-10 06:24 UTC Type, period, epoch, eclipse duration, spectral type and range from 2014ApJ...788..134K.
4 Otero, Sebastian Alberto 2016-06-29 20:26 UTC Update from [2013OEJV..160....1H]. Period improved with AAVSO data.
3 Admin, VSX 2013-06-14 22:46 UTC Update from [2013arXiv1306.2750S].
2 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.