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Details for Revision 2
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Name
  NSV 12634  
AAVSO UID
000-BCX-912 (251 observations)  
Constellation
Cygnus Sequence
J2000.0
19 57 52.26 +46 56 52.5  (299.46775 +46.94792) Search nearby
B1950.0 19 56 20.77 +46 48 42.4
Galactic coord. 81.428 +9.180
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19575225+4656525 AAVSO 1954+46 ASAS J195752+4656.9
IRAS 19563+4648 NSVS J1957521+465655 UCAC3 274-166946
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Variability type
M
Spectral type --
Mag. range
11.6 - <15.6 V
Discoverer --
Epoch
28 Jun 1999 (HJD 2451358) Ephemeris
Outburst --
Period 311 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team Var* [V.P.Tsessevich, Perem Zvezdy 2, 48, 1930.].
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich et al., 2019, The 82nd
Name-List of Variable Stars. Part II – RA 18h to 20h and Novae		 2019PZ.....39....3K
2 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)		 2017ARep...61...80S
3 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 [astro-ph]		 2008arXiv0808.2558P
4 A. Pigulski, G. Pojmanski, B. Pilecki, D. Szczygiel, 2008,
arXiv:0808.2558v2 (online data)		 2008arXiv0808.2558P
5 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
6 V.P.Tsessevich, M.S.Kazanasmas, Atlas of Finding Charts for Variable Stars,
M., 1971.		 1971afcv.book.....T
7 F.E.Ross, AJ 36, 123-124, 1926. --
External Links
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Supporting Documents
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1 NSV 12634 phase plot Otero, Sebastian Alberto 2011-01-19 00:47 UTC Light curve showing ASAS-3 and NSVS data (shifted to match the V-scale).
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2020-05-24 17:14 UTC Period, epoch, rise duration and maximum magnitude from the GCVS (November 2019 version).
3 Admin, VSX 2019-11-01 02:41 UTC Update from [2019PZ.....39....3K].
2 Otero, Sebastian Alberto 2011-01-19 00:47 UTC Primary record creation. Period, epoch and range from NSVS and ASAS-3 data. UCAC3 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.

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