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Name
  V0640 Mon  
AAVSO UID
000-BCW-416 (31 observations)  
Constellation
Monoceros Sequence
J2000.0
06 37 24.04 +06 08 07.4  (99.35017 +6.13539) Search nearby
B1950.0 06 34 43.21 +06 10 44.4
Proper motion
RA: -2.73 +/- 0.35 mas/yDec: 0.31 +/- 0.29 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 205.874 -0.311
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J063723.3+060802 1WGA J0637.3+0608 2MASS J06372403+0608074
2RXP J063724.1+060811 2RXS J063723.2+060802 3XMM J063724.0+060807
4XMM J063724.0+060807 AAVSO 0632+06 ASCC 1020950
BD+06 1309 HD 47129 HIP 31646
HR 2422 LAMOST J063722.97+060755.8 NSV 3048
Name Plaskett's Star SAO 114146 TYC 158-1594-1
X 06347+062 XMMSL2 J063724.2+060803  
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Variability type
*
Spectral type O8V+O8f
Mag. range
6.02 - 6.08 V
Discoverer --
Epoch
03 Apr 2015 (HJD 2457116.4217) Ephemeris
Outburst --
Period 0.60815 d  (14.596 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Visual companions at 0.78", 1.12" and 36 mas (2014ApJS..215...15S).
2 GCVS Team In the region of the open cluster NGC 2244. Porb = 14.39604d [L.B.Lucy, M.A.Sweeney, AJ 76, 547, 1971.]. Irregular light variations. Probably transitional stage from a binary system of O stars to a system of WR type [O.Struve, J.Sahade, Su-Shu Huang, ApJ 127, 148, 1958.].
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References
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1 MASCARA Variable star catalogue (online data) 2018arXiv180602247B
2 O. Burggraaff, G.J.J. Talens, J. Spronck et al., 2018, Studying bright
variable stars with the Multi-site All-Sky CAmeRA (MASCARA)
2018arXiv180602247B
3 Sana, H.; et al., 2014, Southern Massive Stars at High Angular Resolution:
Observational Campaign and Companion Detection
2014ApJS..215...15S
4 N.D.Morrison, PASP 90, 493, 1978. --
External Links
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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 = 5.83H = 5.81K = 5.71J - K = 0.11
AllWISE W1 = 5.80W2 = 5.39W3 = 5.22W4 = 4.70W1 - W2 = 0.41W3 - W4 = 0.51
APASS-DR9 B = 6.33V = 6.38g' = 6.70r' = 6.28i' = 6.12B - V = -0.05
Images
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Supporting Documents
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Stellar Association Membership
 Collinder 106 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Otero, Sebastian Alberto 2024-04-01 17:17 UTC Other names added.
5 Otero, Sebastian Alberto 2018-08-29 08:25 UTC Range from HIPPARCOS and GCPD data.
4 Admin, VSX 2018-08-29 00:27 UTC Update from [2018arXiv180602247B].
3 Otero, Sebastian Alberto 2016-04-13 05:04 UTC Remark from 2014ApJS..215...15S. Maximum magnitude from HIPPARCOS 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.