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Details for Revision 2
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Name
  VSX J102358.0-574548  
AAVSO UID
000-BCY-350 (No observations)  
Constellation
Carina Sequence
J2000.0
10 23 58.02 -57 45 48.9  (155.99175 -57.76358) Search nearby
B1950.0 10 22 07.58 -57 30 35.0
Galactic coord. 284.267 -0.338
Other names

(Internal only)
2MASS J10235800-5745489 UCAC2 6537463 WR 20
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Variability type
EA/WR
Spectral type O3If*/WN6ha
Mag. range
10.65 - 11.05 Ic
Discoverer --
Epoch
29 Apr 2004 (HJD 2453124.569) Ephemeris
Outburst --
Period 3.686 d
Rise/eclipse dur. --
Remarks
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1 Wils, Patrick Both components have masses of around 80 solar masses. Mag at max = 13.45V.
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2011, IBVS 6008		 2011IBVS.6008....1K
2 Bonanos A.Z. et al, 2004, WR 20a is an Eclipsing Binary: Accurate
Determination of Parameters for an Extremely Massive Wolf-Rayet System		 2004ApJ...611L..33B
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Supporting Documents
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Stellar Association Membership
 ASCC 59 Open Cluster 2012A&A...548A..97Z
Revision History
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3 Admin, VSX 2011-12-24 05:45 UTC Update from [2011IBVS.6008....1K].
2 Wils, Patrick 2007-10-13 02:55 UTC Corrected variability type.
1 Wils, Patrick 2007-10-12 23:44 UTC Initial submission.

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