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  AL Com  
000-BBS-922 (21678 observations)  
Coma Berenices Sequence
12 32 25.79 +14 20 42.3  (188.10746 +14.34508) Search nearby
B1950.0 12 29 54.41 +14 37 15.3
Galactic coord. 282.867 +76.471
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2XMM J123225.7+142042 AAVSO 1227+14 CSS 140101:123226+142042
Downes AL Com SDSS J123225.79+142042.2 USNO-B1.0 1043-0222287
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Variability type
Spectral type pec(UG)
Mag. range
12.9 - 19.8 V
Discoverer Leonida Rosino
Outburst --
Period 0.056668 d  (81.602 min)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto VSP Note: 21.0 mag. red companion 4" to the SE.
2 GCVS Team Within 8' to the south-east from the nucleus of M 88 (NGC 4501) galaxy.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Gaia Collaboration; et al., 2018, Gaia Data Release 2. Summary of the
contents and survey properties
2 T. Kato et al., 2009, arXiv:0905.1757v1 [astro-ph.SR] 2009arXiv0905.1757K
3 Catalina Real-time Transient Survey, 2014 (CSS Data) 2009ApJ...696..870D
4 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
5 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
6 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
7 N.Vogt, F.M.Bateson, AsAp Suppl 48, N3, 383, 1982. 1982A&AS...48..383V
8 P.N.Kholopov, Yu.N.Efremov, Perem. Zvezdy 20, 277, 1976. 1976PZ.....20..277K
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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.
GALEX-DR5 FUV = 20.26NUV = 19.88FUV - NUV = 0.38
SDSS-DR12 u = 19.77g = 19.80r = 19.75i = 19.89z = 19.84u - g = -0.04r - i = -0.14
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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 Legacy CVs
 BAA VSS Recurrent Objects Programme
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
7 Schmeer, Patrick 2019-04-15 08:06 UTC Discoverer's first name added.
6 Otero, Sebastian Alberto 2020-05-14 19:56 UTC Gaia DR2 position.
5 Otero, Sebastian Alberto 2017-05-19 18:56 UTC Position and minimum magnitude derived from SDSS. Maximum magnitude from AAVSO V data.
4 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
3 Admin, VSX 2009-05-13 20:48 UTC Update from [2009arXiv0905.1757K].
2 Admin, VSX 2007-03-23 15:52 UTC Discoverer added.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.