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Details for Revision 4
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Name
  NSV 13866  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
21 44 39.94 +38 14 15.0  (326.16642 +38.23750) Search nearby
B1950.0 21 42 35.61 +38 00 25.0
Galactic coord. 87.269 -11.377
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J21443993+3814150 GSC 03184-01691 IRAS 21426+3800
NPM2 +38.1661 NSVS 5932739 NSVS 8733694
NSVS J2144399+381407    
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Variability type
SR
Spectral type --
Mag. range
12.4 - <13.2 V
Discoverer --
Epoch
06 Sep 1999 (HJD 2451428) Ephemeris
Outburst --
Period 233 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto J-K= 1.35; B-V= 1.84.
2 GCVS Team Var* [E.Splittgerber, NVS 6, H. 1, 15, 1971.]. Red.
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich et al., 2020, The 82nd
Name-List of Variable Stars. Part III - RA 20h to 24h and Novae		 2020PZ.....40....6K
2 Henden, A. A., et al., 2012, Data Release 3 of the AAVSO All-Sky
Photometric Survey (APASS)		 2012JAVSO..40..430H
3 Henden, A. A., et al., 2012, Data Release 3 of the AAVSO All-Sky
Photometric Survey (APASS)		 2012JAVSO..40..430H
4 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
5 Hanson R.B., Klemola A.R., Jones B.F., Monet D.G., 2004, AJ 128, 1430 2004AJ....128.1430H
6 R.Giacconi, P.Gorenstein, H.Gursky, P.D.Usher, J.R.Waters, A.Sandage,
P.Osmer, J.V.Peach, ApJ 148, L 129, 1967.		 1967ApJ...148L.129G
External Links
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2014-12-16 20:30 UTC Phase plot with NSVS and APASS data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Admin, VSX 2020-10-21 03:16 UTC Update from [2020PZ.....40....6K].
4 Otero, Sebastian Alberto 2014-12-16 20:30 UTC Primary record creation. Type, period, epoch and minimum magnitude from APASS and NSVS data. Maximum magnitude derived from UCAC3. UCAC4 position.
3 Admin, VSX 2010-01-18 23:18 UTC Update from NSV version of July 2009.
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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