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Latest Details
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Name
  NSV 24993  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
20 03 39.50 +38 19 38.0  (300.91458 +38.32722) Search nearby
B1950.0 20 01 51.14 +38 11 07.1
Proper motion
RA: -14.131 +/- 0.043 mas/yDec: -12.028 +/- 0.051 mas/ySource: Gaia DR1
Galactic coord. 74.557 +3.807
Other names

(Internal only)
ADS 13318 A ASCC 520545 BD+37 3744
HD 190466 HIP 98773 IRC +40377
SAO 69335 TYC 3150-2591-1  
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Variability type
VAR:
Spectral type A2V+...
Mag. range
7.191 V (0.089)clear
Discoverer --
Epoch
26 Apr 2015 (HJD 2457138.56) Ephemeris
Outburst --
Period 21.73 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team B: 9.1, 29", 338deg.
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References
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1 MASCARA Variable star catalogue (online data) 2018arXiv180602247B
2 O. Burggraaff, G.J.J. Talens, J. Spronck et al., 2018, Studying bright
variable stars with the Multi-site All-Sky CAmeRA (MASCARA)
2018arXiv180602247B
3 V.G.Kornilov, I.M.Volkov, A.I.Zakharov, V.S.Kozyreva, L.N.Kornilova,
A.N.Krutjakov, A.V.Krylov, A.V.Kusakin, S.E.Leontiev, A.V.Mironov,
V.G.Moshkaliov, T.M.Pogrosheva, V.N.Semehtsov, Kh.F.Khaliullin, Sternberg
Astr Inst Trudy Vol.63, 3, 1991.
--
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 3.84H = 2.97K = 2.61J - K = 1.23
AllWISE W3 = 2.52W4 = 2.38W3 - W4 = 0.14
Images
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Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Admin, VSX 2018-08-29 00:26 UTC Update from [2018arXiv180602247B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.