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Details for Revision 4
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Name
  CO Ori  
AAVSO UID
000-BCW-582 (3050 observations)  
Constellation
Orion Sequence
J2000.0
05 27 38.34 +11 25 38.9  (81.90975 +11.42747) Search nearby
B1950.0 05 24 51.28 +11 23 11.8
Galactic coord. 192.768 -12.801
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 0522+11A ASAS J052738+1125.6 ASASSN-V J052738.31+112539.0
BD+11 809 HBC 84 HIP 25540
SV* R 188    
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Variability type
UXOR
Spectral type G5Vpe
Mag. range
10.0 - 12.8 V
Discoverer Ross
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto VSP Note: 13.5 Gmag. star 2" to the W.
2 GCVS Team Member of the T-association CO Ori. VB A (B 13m, 1", 280deg).
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References
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1 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
2 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
3 The Evolutionary Status of UX Orionis-Type Stars 1997ApJ...491..885N
4 W.Herbst, J.A.Holtzman, R.S.Klasky, AJ 88, N11, 1648, 1983. 1983AJ.....88.1648H
5 L.N.Mosidze, Abastumani Byull. N37, 13, 1969. --
6 M.Beyer, AN 263, 33, 1937. 1937AN....263...33B
7 M.Beyer, AN 263, 33, 1937. 1937AN....263...33B
External Links
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Supporting Documents
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Campaigns/Programs
 YSO Program
Revision History
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5 Otero, Sebastian Alberto 2022-11-16 19:02 UTC Maximum magnitude from AAVSO and ASAS-SN data. Gaia DR3 position.
4 Billiaert, Bruno 2014-07-06 22:29 UTC added discoverer and reference
3 Otero, Sebastian Alberto 2011-11-23 19:51 UTC Primary record creation. Type from 1997ApJ...491..885N. Range from ASAS-3 data.
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.