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Latest Details
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Name
  NSV 24990  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
20 03 09.10 +41 28 28.2  (300.78790 +41.47450) Search nearby
B1950.0 20 01 26.01 +41 19 56.8
Proper motion
RA: 19.183 +/- 0.027 mas/yDec: 32.420 +/- 0.030 mas/ySource: Gaia DR1
Galactic coord. 77.188 +5.551
Other names

(Internal only)
BD+41 3589 HD 190401 HIP 98728
SAO 49126    
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Variability type
VAR
Spectral type Am
Mag. range
7.00 (0.008) V
Discoverer --
Epoch
--
Outburst --
Period 0.10456 d  (2.509 h)
Rise/eclipse dur. --
Remarks
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1 GCVS Team Possibly microvariable in V. Hp = 7.06 - 7.10 [The Hipparcos and Tycho Catalogues, Vol.11 and Vol.17, CD-ROM No.1, SP-1200, ESA, 1997.].
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References
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1 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
2 F.Rufener, Geneve Publ, ser.B, fasc.2, 1977. --
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 = 6.29H = 6.22K = 6.16J - K = 0.13
AllWISE W1 = 6.13W2 = 6.02W3 = 6.15W4 = 6.05W1 - W2 = 0.10W3 - W4 = 0.09
Images
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Supporting Documents
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Revision History
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2 Admin, VSX 2013-05-03 23:35 UTC Update from [2002MNRAS.331...45K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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