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Details for Revision 2
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Name
  EW Lac  
AAVSO UID
000-BCR-002 (1151 observations)  
Constellation
Lacerta Sequence
J2000.0
22 57 04.50 +48 41 02.6  (344.26875 +48.68406) Search nearby
B1950.0 22 54 51.64 +48 24 59.2
Galactic coord. 104.220 -9.988
Other names

(Internal only)
AAVSO 2252+48 BD+47 3985 HD 217050
HIP 113327 HR 8731 MWC 394
SAO 52526    
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Variability type
GCAS
Spectral type B3III-IVpeV
Mag. range
5.22 - 5.48 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team Non-radial pulsations with P = 0.7d - 0.8d are also possible [N.F.Vojkhanskaya, Astrofizika 12, N12, 219, 1976., J.R.Percy, BAAS 14, 157, 879, 1982.].
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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 M.E.Walker, ApJ 118, 481, 1953. 1953ApJ...118..481W
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Supporting Documents
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Revision History
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3 Admin, VSX 2018-08-29 00:25 UTC Update from [2018arXiv180602247B].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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