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Details for Revision 3
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Name
  NSV 12491  
AAVSO UID
--  
Constellation
Sagitta Sequence
J2000.0
19 51 57.83 +19 20 33.6  (297.99096 +19.34267) Search nearby
B1950.0 19 49 44.79 +19 12 47.5
Galactic coord. 57.014 -3.909
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J19515784+1920334 AN 38.1928 ASAS J195158+1920.5
IOMC 1623000058 IRAS 19497+1912 NPM2 +19.1347
NSVS 11275773 USNO-B1.0 1093-0449998  
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Variability type
SRB
Spectral type M7
Mag. range
13.1 - 14.2 V
Discoverer --
Epoch
22 Aug 2007 (HJD 2454335.0) Ephemeris
Outburst --
Period 125.2 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Other periods 160.5 and 613 d. ASAS-3 magnitudes contaminated by UCAC4 547-105003 (V= 15.5; sep. 13"). Range has been corrected.
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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 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
4 Hanson R.B., Klemola A.R., Jones B.F., Monet D.G., 2004, AJ 128, 1430 2004AJ....128.1430H
5 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
6 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1956ApJ...124..346C
7 W.Baade, AN 232, 65-70, 1928. 1928AN....232...65B
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Supporting Documents
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Revision History
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5 Otero, Sebastian Alberto 2020-05-24 17:50 UTC Position from the GCVS (November 2019 version).
4 Admin, VSX 2019-11-01 02:51 UTC Update from [2019PZ.....39....3K].
3 Otero, Sebastian Alberto 2014-03-03 23:40 UTC Primary record creation. Type, period, epoch and range from ASAS-3 data. UCAC4 position.
2 Admin, VSX 2007-03-23 20:07 UTC Position from the Lick NPM2 catalog [2004AJ....128.1430H].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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