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Latest Details
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Name
  GY And  
AAVSO UID
000-BBD-180 (10 observations)  
Constellation
Andromeda Sequence
J2000.0
01 38 31.82 +45 23 59.0  (24.63258 +45.39972) Search nearby
B1950.0 01 35 30.46 +45 08 45.2
Proper motion
RA: -15.64 +/- 0.71 mas/yDec: -0.77 +/- 0.64 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 131.533 -16.684
Other names

(Internal only)
BD+44 341 HD 9996 HIP 7651
HR 465 SAO 37393  
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Variability type
ACV
Spectral type B9VpCrEu
Mag. range
6.27 - 6.44 V
Discoverer --
Epoch
--
Outburst --
Period 8000: d  (21.90 y)
Rise/eclipse dur. --
Remarks
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1 GCVS Team SB1 (P = 273.2d [G.W.Preston, S.C.Wolff, ApJ 160, 1071, 1970.], P = 272.99d [G.Scholz, AN 299, H. 2, 81, 1978.]). For spectral changes, variations of light and magnetic field it is possible that P = 23a [G.W.Preston, PASP 82, 878, 1970.] or 20.60a [G.Scholz, AN 299, H. 2, 81, 1978.]. [K.D.Rakosch, W.Fiedler, AsAp Suppl 31, 83, 1978.] gives P ~36.5d and Delta(V) ~0.049m. Periods 4.92a and 1.8d may exist [G.Scholz, AN 299, H. 2, 81, 1978.].
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References
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1 H.A.Abt, J.C.Golson, ApJ 136, 35, 1962. 1962ApJ...136...35A
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 = 6.34H = 6.40K = 6.43J - K = -0.09
AllWISE W1 = 6.47W2 = 6.44W3 = 6.53W4 = 6.38W1 - W2 = 0.03W3 - W4 = 0.15
Images
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Supporting Documents
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Revision History
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2 Admin, VSX 2010-01-04 23:43 UTC Update from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.