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Name
  W Equ  
AAVSO UID
000-BDQ-503 (657 observations)  
Constellation
Equuleus Sequence
J2000.0
21 15 52.63 +12 23 19.2  (318.96929 +12.38867) Search nearby
B1950.0 21 13 28.57 +12 10 47.6
Proper motion
RA: -15.713 +/- 2.793 mas/yDec: -20.705 +/- 1.446 mas/ySource: Gaia DR1
Galactic coord. 62.814 -24.485
Other names

(Internal only)
AN 20.1926    
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Variability type
EA/DM
Spectral type A7
Mag. range
11.0 - 11.5 V
Discoverer --
Epoch
08 Jul 1927 (HJD 2425070.4) Ephemeris
Outburst --
Period 4.236866 d
Rise/eclipse dur. 17%
Remarks
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1 Wunder, Edgar Min. II V=11.3
2 GCVS Team Min II 12.4. P var.
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References
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1 Paschke, A., 2014, OEJV #162 2014OEJV..162....1P
2 Bob Nelson's O-C files, 2016 --
3 H.Huth, MVS 3, H.4, 125, 1966. --
4 V.P.Zessewitsch, Odessa Izv. 4, Issue 2, 1954. --
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 = 9.63H = 9.27K = 9.20J - K = 0.42
AllWISE W1 = 9.15W2 = 9.17W3 = 9.13W1 - W2 = -0.01
APASS-DR9 B = 11.61V = 10.95g' = 11.24r' = 10.76i' = 10.54B - V = 0.66
GALEX-DR5 FUV = 21.08NUV = 15.65FUV - NUV = 5.44
SDSS-DR12 u = 13.99g = 11.34r = 10.84i = 10.65z = 11.07u - g = 2.65r - i = 0.18
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2016-03-23 19:32 UTC Update from [2014OEJV..162....1P].
3 Wunder, Edgar 2013-04-14 20:52 UTC V magnitude range from ASAS3
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.