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| Query : 2002ApJ...565..982M |
2002ApJ...565..982M - Astrophys. J., 565, 982-993 (2002/February-1)
Orbits of four very massive binaries in the R136 cluster.
MASSEY P., PENNY L.R. and VUKOVICH J.
Abstract (from CDS):
We present radial velocity and photometry for four early-type, massive, double-lined spectroscopic binaries in the R136 cluster. Three of these systems are eclipsing, allowing orbital inclinations to be determined. One of these systems, R136-38 (O3 V+O6 V), has one of the highest masses ever measured for the primary, 57 M☉. Comparison of our masses with those derived from standard evolutionary tracks shows excellent agreement. We also identify five other light variables in the R136 cluster that are worthy of follow-up study.
Abstract Copyright: ∼
Journal keyword(s): Stars: Binaries: Eclipsing - Stars: Binaries: Spectroscopic - Galaxies: Magellanic Clouds - Stars: Early-Type - Stars: Evolution
Simbad objects: 12
| Number of rows : 12 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 19090 | 0 | ||||
| 2 | NAME 30 Dor Nebula | SFR | 05 38 36.0 | -69 05 11 | ~ | 1276 | 2 | |||||
| 3 | Cl* NGC 2070 MH 57 | s*b | 05 38 40.2160044288 | -69 05 59.915264352 | 12.97 | 13.0 | 12.91 | O3If*/WN6-A | 46 | 1 | ||
| 4 | [HSH95] 38 | ** | 05 38 42.0996 | -69 06 07.795 | O3V+O6V | 25 | 0 | |||||
| 5 | [HSH95] 42 | ** | 05 38 42.1802 | -69 06 02.384 | O3V+O3V | 17 | 0 | |||||
| 6 | RMC 136 | Cl* | 05 38 42.396 | -69 06 03.36 | 5.81 | 5.40 | ~ | 2236 | 2 | |||
| 7 | Cl* NGC 2070 MH 509 | * | 05 38 42.414 | -69 06 02.52 | 13.78 | 13.73 | O3III | 23 | 0 | |||
| 8 | [HSH95] 39 | ** | 05 38 42.4896 | -69 06 01.286 | 14.53 | O4V((f))+O6: | 10 | 0 | ||||
| 9 | [HSH95] 77 | ** | 05 38 42.5592 | -69 06 04.389 | 15.24 | O5.5V+O5.5V | 10 | 0 | ||||
| 10 | BAT99 113 | WR* | 05 38 43.0917715292 | -69 05 46.903118899 | 13.56 | 13.47 | 13.44 | O2If*/WN5 | 53 | 0 | ||
| 11 | Brey 84 | HXB | 05 38 44.2508644296 | -69 06 06.004573020 | 13.10 | 12.70 | WN5h:a | 77 | 0 | |||
| 12 | [HSH95] 25 | * | ~ | ~ | O3V | 4 | 0 |
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