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Details for Revision 2
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Name
  NSV 12870  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
20 10 46.22 +33 48 05.0  (302.69260 +33.80140) Search nearby
B1950.0 20 08 50.14 +33 39 07.3
Galactic coord. 71.517 +0.158
Other names

(Internal only)
GSC 02679-02844 SON 10039  
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Variability type
EB/GS:
Spectral type --
Mag. range
10.97 - 11.27 V
Discoverer --
Epoch
25 Jun 1999 (HJD 2451354.50) Ephemeris
Outburst --
Period 32.34 d
Rise/eclipse dur. --
Remarks
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1 Admin, VSX A possible different classification is RV [Kazarovets, E.V., Pastukhova, E.N., and Samus, N.N. 2007, this paper].
2 2004IBVS.5557....1O Min II = 11.2V.
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References
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1 Bob Nelson's O-C files, 2016 --
2 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2008, IBVS 5863
2008IBVS.5863....1K
3 S.A.Otero, P.A.Dubovsky, IBVS N5557, 2004. 2004IBVS.5557....1O
4 S.A.Otero, P.A.Dubovsky, IBVS N5557, 2004. 2004IBVS.5557....1O
5 C.Hoffmeister, AN 290, H. 1-2, 43, 1967. 1967AN....290...43H
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Supporting Documents
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Stellar Association Membership
 Roslund 5 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2008-12-03 03:36 UTC Primary name changed to GCVS designation [2008IBVS.5863....1K]
2 Admin, VSX 2007-03-23 19:55 UTC Update from [2004IBVS.5557....1O].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.