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Latest Details
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Name
  V Lac  
AAVSO UID
000-BCQ-755 (1047 observations)  
Constellation
Lacerta Sequence
J2000.0
22 48 38.00 +56 19 17.6  (342.15833 +56.32156) Search nearby
B1950.0 22 46 35.29 +56 03 25.0
Proper motion
RA: -3.311 +/- 0.058 mas/yDec: -1.501 +/- 0.056 mas/ySource: Gaia DR1
Galactic coord. 106.468 -2.574
Other names

(Internal only)
AAVSO 2244+55 AN 110.1904 BD+55 2815
HD 240073 HIP 112626 SAO 34841
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Variability type
DCEP
Spectral type F5-G0
Mag. range
8.38 - 9.42 V
Discoverer L. Ceraski
Epoch
02 Jan 1938 (HJD 2428901.285) Ephemeris
Outburst --
Period 4.983458 d
Rise/eclipse dur. 25%
Remarks
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1 GCVS Team P var. There is a square term in the elements: -6.48d*10**(-8)*E**2.
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References
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1 G.E.Erleksova, B.N.Irkaev, Perem. Zvezdy 21, N5, 715, 1982. 1982PZ.....21..715E
2 C.Payne, HB N883, 1931. --
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 = 7.10H = 6.64K = 6.54J - K = 0.56
AllWISE W1 = 6.49W2 = 6.43W3 = 6.43W4 = 6.35W1 - W2 = 0.06W3 - W4 = 0.08
APASS-DR9 B = 10.37
Images
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Supporting Documents
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Stellar Association Membership
 ASCC 123 Open Cluster 2012A&A...548A..97Z
Revision History
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3 Billiaert, Bruno 2015-12-28 14:08 UTC discoverer added (1904AN....165..271C)
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.