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Name
  AK Lac  
AAVSO UID
000-BDS-482 (2 observations)  
Constellation
Lacerta Sequence
J2000.0
22 36 28.78 +52 38 28.3  (339.11992 +52.64119) Search nearby
B1950.0 22 34 26.50 +52 22 53.6
Proper motion
RA: -6.0 +/- 1.1 mas/yDec: -1.9 +/- 1.2 mas/ySource: UCAC4
Galactic coord. 103.158 -4.971
Other names

(Internal only)
2MASS J22362877+5238283 AN 83.1927 ASASSN-V J223628.64+523828.8
GSC 03983-02981 NSVS 3456961 NSVS 6063600
UCAC4 714-100700    
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Variability type
EA
Spectral type K0III
Mag. range
11.96 - 12.6 V
Discoverer --
Epoch
08 Dec 1925 (HJD 2424492.63) Ephemeris
Outburst --
Period 18.4182 d
Rise/eclipse dur. 12%  (2.21 d)
Remarks
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1 Otero, Sebastian Alberto No secondary eclipse detected. NSVS magnitudes contaminated by several nearby stars. Range has been corrected.
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References
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1 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 2004AJ....127.2436W
2 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 1984PASP...96...98H
3 C.Hoffmeister, Sonn Mitt N12, 1928. 1928MiSon..12....1H
4 C.Hoffmeister, AN 232, 153-172, 1928. 1928AN....232..153H
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 = 9.94H = 9.39K = 9.27J - K = 0.67
AllWISE W1 = 9.30W2 = 9.36W3 = 9.37W4 = 9.18W1 - W2 = -0.06W3 - W4 = 0.19
APASS-DR9 B = 13.48V = 12.07g' = 12.61r' = 11.68i' = 11.30B - V = 1.42
Images
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Supporting Documents
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1 Phase plot Otero, Sebastian Alberto 2015-12-05 01:23 UTC Phase plot with NSVS, Hoffmeister, CMC9 and APASS data.
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Stellar Association Membership
 ASCC 123 Open Cluster 2012A&A...548A..97Z
Revision History
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3 Otero, Sebastian Alberto 2015-12-05 01:23 UTC Period, epoch, eclipse duration and range from NSVS, Hoffmeister, CMC9 and APASS data. UCAC4 position.
2 Admin, VSX 2007-04-04 09:53 UTC Position and spectral type from Brian Skiff's MKTypes.dat [http://vizier.u-strasbg.fr/viz-bin/Cat?III/233B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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