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Latest Details
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Name
  DI Lac  
AAVSO UID
000-BCW-180 (87 observations)  
Constellation
Lacerta Sequence
J2000.0
22 35 48.58 +52 42 59.5  (338.95242 +52.71653) Search nearby
B1950.0 22 33 46.61 +52 27 26.1
Proper motion
RA: -3.4 +/- 7.2 mas/yDec: -8.0 +/- 6.9 mas/ySource: UCAC4
Galactic coord. 103.108 -4.855
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2231+52B AN 137.1910 Downes DI Lac
HD 214239    
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Variability type
NA
Spectral type pec(NOVA)
Mag. range
4.3 - 14.91 B
Discoverer T. E. Espin
Epoch
25 Nov 1910 (HJD 2419000.50000) Ephemeris
Outburst 1910
Period 0.543773 d  (13.0506 h)
Rise/eclipse dur. --
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 E. Marin, A.W. Shafter, 2009, arXiv:0908.3703v1 [astro-ph.GA] 2009arXiv0908.3703M
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 V.F.Kalashnikov, B.A.Vorontsov-Vel'yaminov, Astron. Zh. 16, N5, 1939. --
5 M.L.Humason, ApJ 88, 228, 1938. 1938ApJ....88..228H
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 = 13.73H = 13.54K = 13.40J - K = 0.33
AllWISE W1 = 13.34W2 = 13.32W1 - W2 = 0.02
APASS-DR9 B = 15.05V = 14.54g' = 14.65r' = 14.49i' = 14.46B - V = 0.51
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 22 35 48.58 +52 42 59.5 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 ASCC 123 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Admin, VSX 2009-08-27 23:36 UTC Update from [2009arXiv0908.3703M].
2 Admin, VSX 2007-03-23 19:52 UTC Discoverer added.
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.