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| Query : 2003MNRAS.341..583M |
2003MNRAS.341..583M - Mon. Not. R. Astron. Soc., 341, 583-588 (2003/May-2)
Hodge 53-47: an early O-type double-lined binary in the Small Magellanic Cloud.
MORRELL N., OSTROV P., MASSEY P. and GAMEN R.
Abstract (from CDS):
We present a spectroscopic and photometric study of the double-lined binary Hodge 53-47 in the Small Magellanic Cloud. We determine for the binary components spectral types of O6 V + O4-5 III(f). Through a simultaneous light and radial velocity curve analysis via the Wilson-Devinney code we find absolute masses of ∼26 M☉and ∼16 M☉and radii of ∼10.1 R☉and ∼8.4 R☉for the O6 V and O4-5 III(f) components, respectively. The relatively low mass found for the O4-5 III(f) component suggests that mass transfer and loss have played a significant role in the evolution of these stars.
Abstract Copyright: 2003 RAS
Journal keyword(s): binaries: close - binaries: eclipsing - binaries: spectroscopic - stars: early-type - stars: fundamental parameters - stars: individual: Hodge 53-47
CDS comments: Hodge 53-47 = [MWD2000] h53- 47
Simbad objects: 7
| Number of rows : 7 |
| 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 SMC | G | 00 52 38.0 | -72 48 01 | 2.79 | 2.2 | ~ | 12317 | 1 | |||
| 2 | MOA J010321.3-720538 | SB* | 01 03 21.3011685264 | -72 05 38.152558428 | 12.06 | 13.15 | 13.36 | 13.95 | O5V(n)+O6.5(n) | 31 | 0 | |
| 3 | RMC 31 | WR* | 01 03 25.2272050176 | -72 06 43.857668340 | 12.11 | 12.30 | WN3:h+O5.5V+O5.5If+O7.5V | 126 | 0 | |||
| 4 | SMC AB 7 | WR* | 01 03 35.9241336168 | -72 03 22.118601312 | 11.933 | 12.954 | 13.016 | 13.32 | WN4+O6I(f) | 58 | 0 | |
| 5 | HW 53 | Cl* | 01 07 00.73 | -73 34 36.6 | 17.36 | 17.30 | 16.67 | 16.00 | ~ | 13 | 0 | |
| 6 | OGLE BRIGHT-LMC-ECL-17 | EB* | 05 34 41.3495543376 | -69 31 38.667576432 | 12.739 | 13.672 | 14.050 | 13.79 | 13.966 | O3If+O6V | 27 | 0 |
| 7 | LS 3074 | El* | 13 26 59.8293556824 | -62 01 49.329912828 | 12.71 | 12.81 | 11.66 | 11.27 | O4f+_+_O6/7:(f:) | 34 | 0 |
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