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Latest Details
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| Name |
LMC V3947 |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
05 40 31.11 -69 25 57.9 |
| Galactic coord. |
279.808 -31.512 |
Other names
(Internal only)
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2MASS J05400755-6924319 |
BAT99 126 |
Brey 95 |
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CPD-69 479 |
HD 269956 |
HD 38472 |
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OGLE LMC-ECL-22000 |
OGLE LMC175.1 37217 |
OGLE LMC553.15.035354 |
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Sk-69 258 |
UCAC4 103-017425 |
WISE J054007.5-692431 |
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WS 50 |
[BE74] 435 |
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| Variability type |
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EA |
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| Spectral type |
O4V+O6.5V |
| Mag. range |
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13.13 - 13.40 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
1.552967 d |
| Rise/eclipse dur. |
22% (8.20 h) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
Bedient, James
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Quadruple system, possibly higher-order. The O4V+O6.5V components are a near-contact eclipsing binary producing the 1.55 day variation. The other known components are WN2.5-3 and B1V stars (2021A&A...646A..33J). |
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2 |
Otero, Sebastian Alberto
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ASAS-SN magnitudes contaminated by nearby stars. Range has been corrected. |
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References
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Click reference title/citation to view in new window. Roll over index number to view submission details.
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1 |
Janssens, S.; Shenar, T.; Mahy, L.; et al., 2021, BAT99 126: A multiple
Wolf-Rayet system in the Large Magellanic Cloud with a massive near-contact
binary |
2021A&A...646A..33J |
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2 |
Morel, M., 2020, Updated positions for the LMC II 4801 GCVS stars, VSS
Newsletter 2020-3 (July 2020) |
-- |
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3 |
Chen, X.; Wang, S.; Deng, L.; et al., 2018, Wide-field Infrared Survey
Explorer (WISE) Catalog of Periodic Variable Stars |
2018ApJS..237...28C |
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4 |
Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1. 0 |
2017PASP..129j4502K |
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5 |
Samus, N. N.; et al., 2017, General catalogue of variable stars: Version
GCVS 5.1. Extragalactic Variable Stars. Catalogue (Vol. V) |
2017ARep...61...80S |
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6 |
Foellmi, C.; Moffat, A. F. J.; Guerrero, M. A.; et al., 2003, Wolf-Rayet
binaries in the Magellanic Clouds and implications for massive-star
evolution - II. Large Magellanic Cloud |
2003MNRAS.338.1025F |
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Revision History
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