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Latest Details
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Name
  BH Lac  
AAVSO UID
000-BCW-172 (1648 observations)  
Constellation
Lacerta Sequence
J2000.0
22 34 52.03 +51 30 27.2  (338.71679 +51.50756) Search nearby
B1950.0 22 32 49.07 +51 14 55.0
Proper motion
RA: -10.452 +/- 1.350 mas/yDec: -1.805 +/- 1.040 mas/ySource: Gaia DR1
Galactic coord. 102.374 -5.830
Other names

(Internal only)
AAVSO 2230+50 ASASSN-V J223451.95+513026.7  
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Variability type
IA:
Spectral type A0
Mag. range
11.0 - 12.8 p
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team Hydrogen lines in the spectrum are sharp and deep [G.H.Herbig, ApJ 131, 632, 1960.].
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References
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1 N.F.Florja, Tr. Gos. Astron. Inst. Sternberg 16, 187, 1949. 1949TrSht..16..187F
External Links
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Location    Go   
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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 = 11.18H = 10.99K = 10.65J - K = 0.53
AllWISE W1 = 9.66W2 = 8.57W3 = 5.09W4 = 3.40W1 - W2 = 1.09W3 - W4 = 1.69
APASS-DR9 B = 11.84V = 11.66g' = 11.63r' = 11.69i' = 11.77B - V = 0.18
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 22 34 52.03 +51 30 27.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 YSO Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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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