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Details for Revision 3
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Name
  RY Ser  
AAVSO UID
000-BBY-933 (3019 observations)  
Constellation
Serpens Sequence
J2000.0
17 23 07.17 -12 48 09.9  (260.77988 -12.80275) Search nearby
B1950.0 17 20 18.50 -12 45 23.2
Galactic coord. 10.972 +13.013
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J172307.0-124803 2MASS J17230717-1248098 2RXS J172306.9-124803
AAVSO 1717-12 AN 38.1924 ATO J260.7799-12.8027
Downes RY Ser Gaia19ecd SDSS J172307.18-124809.8
USNO-A2.0 0750-10948557 USNO-B1.0 0771-0451245  
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Variability type
UG
Spectral type K4-K6V
Mag. range
13.6 - 16.6 V
Discoverer --
Epoch
--
Outburst --
Period 0.3009 d  (7.22 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto GCVS outburst cycle 53 d.
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References
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1 Gaia Alerts, 2019 (online data) --
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 2004PASP..116..300T
4 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
5 A.M.Chernenko, Perem. Zvezdy Supplement 4, N20, 265, 1982. 1982PZP.....4..265C
6 V.P.Zessewitsch, M.S.Kazanasmas, Atlas of Finding Charts for Variable
Stars, M., 1971.		 1971afcv.book.....T
7 Guthnick, P.; et al., 1926, Benennung von neu entdeckten veränderlichen
Sternen		 1926AN....227..161G
External Links
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Supporting Documents
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Revision History
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5 Fernig, Leo 2023-07-05 21:42 UTC Discoverer updated from 1926AN....227..161G page 169.
4 Otero, Sebastian Alberto 2019-09-18 07:46 UTC Gaia DR2 position.
3 Otero, Sebastian Alberto 2011-02-16 05:37 UTC Primary record creation. Orbital period from Downes (2001). Range from ASAS-3 and AAVSO V-data. Spectral type from Ritter and Kolb (2010, 2003A&A...404..301R). UCAC3 position.
2 Admin, VSX 2007-04-04 09:54 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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