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Name
  CO Ori  
AAVSO UID
000-BCW-582 (1034 observations)  
Constellation
Orion Sequence
J2000.0
05 27 38.34 +11 25 38.9  (81.90975 +11.42747) Search nearby
B1950.0 05 24 51.27 +11 23 11.9
Proper motion
RA: 1.970 +/- 0.168 mas/yDec: -2.320 +/- 0.111 mas/ySource: Gaia DR1
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 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 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 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 The Evolutionary Status of UX Orionis-Type Stars 1997ApJ...491..885N
3 W.Herbst, J.A.Holtzman, R.S.Klasky, AJ 88, N11, 1648, 1983. 1983AJ.....88.1648H
4 L.N.Mosidze, Abastumani Byull. N37, 13, 1969. --
5 M.Beyer, AN 263, 33, 1937. 1937AN....263...33B
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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 = 7.98H = 7.21K = 6.51J - K = 1.48
AllWISE W1 = 5.76W2 = 4.98W3 = 3.43W4 = 1.90W1 - W2 = 0.78W3 - W4 = 1.53
APASS-DR9 B = 12.39V = 11.32g' = 11.93r' = 10.97i' = 10.84B - V = 1.07
Images
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Supporting Documents
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Campaigns/Programs
 YSO Program
Revision History
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4 Billiaert, Bruno 2014-07-06 18:29 UTC added discoverer and reference
3 Otero, Sebastian Alberto 2011-11-23 14:51 UTC Primary record creation. Type from 1997ApJ...491..885N. Range from ASAS-3 data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.