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| Query : 2005ApJ...624..946G |
2005ApJ...624..946G - Astrophys. J., 624, 946-956 (2005/May-2)
Absolute parameters for eight eclipsing binaries in the Large Magellanic Cloud: the mass-luminosity relation.
GONZALEZ J.F., OSTROV P., MORRELL N. and MINNITI D.
Abstract (from CDS):
A simultaneous light and radial velocity analysis of eight Large Magellanic Cloud (LMC) eclipsing binaries is presented. Combining spectroscopic observations obtained with UVES at the ESO Very Large Telescope and light curves available from the MACHO and OGLE databases, accurate masses and radii for the binary components, along with their spectral types and luminosities, are derived. These determinations allow us to construct the first mass-luminosity relation for late O and early B type stars in the LMC. This mass-luminosity relation looks very similar to that of the Milky Way, in spite of the different metallicities. The good agreement achieved in the comparison with recent theoretical isochrones is encouraging regarding the reliability of star models up to 20 M☉.
Abstract Copyright: ∼
Journal keyword(s): Stars: Binaries: Eclipsing - Galaxies: Magellanic Clouds - Stars: Early-Type - Stars: Fundamental Parameters
Simbad objects: 14
| Number of rows : 14 |
| 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 | HD 26326 | Pu* | 04 09 17.8360611792 | -16 23 09.080258964 | 5.286 | 5.435 | B5IV | 87 | 0 | |||
| 2 | * del Cae | * | 04 30 50.0997379776 | -44 57 13.499643852 | 4.864 | 5.059 | B2IV/V | 89 | 0 | |||
| 3 | OGLE LMC-SC12 152437 | EB* | 05 06 37.7727804528 | -69 14 21.977284164 | 16.75 | 16.676 | 16.90 | 16.618 | ~ | 11 | 0 | |
| 4 | OGLE J050828.13-684825.1 | EB* | 05 08 28.0994 | -68 48 26.021 | 13.209 | 14.386 | 14.323 | 14.370 | 14.814 | ~ | 11 | 0 |
| 5 | OGLE J051102.89-691309.8 | EB* | 05 11 02.80 | -69 13 09.6 | 15.887 | 15.78 | 16.016 | ~ | 10 | 0 | ||
| 6 | OGLE LMC-ECL-11244 | EB* | 05 15 41.6309833008 | -70 04 39.738256392 | 14.605 | 15.447 | 15.439 | 16.00 | 15.912 | ~ | 11 | 0 |
| 7 | OGLE J051804.81-694818.9 | EB* | 05 18 04.7115150384 | -69 48 18.906784524 | 13.566 | 14.658 | 14.698 | 14.94 | 14.901 | ~ | 19 | 0 |
| 8 | OGLE J052235.46-693143.4 | EB* | 05 22 35.3436405216 | -69 31 43.372768620 | 15.48 | 15.439 | 15.84 | 15.634 | ~ | 16 | 0 | |
| 9 | NAME LMC | G | 05 23 34.6 | -69 45 22 | 0.4 | ~ | 19090 | 0 | ||||
| 10 | OGLE LMC-ECL-15523 | EB* | 05 26 04.4311870704 | -69 17 10.401907416 | 15.901 | 16.02 | 16.084 | ~ | 9 | 0 | ||
| 11 | SV* HV 12041 | EB* | 05 26 21.604 | -69 05 44.15 | 15.233 | 15.826 | 16.028 | 15.93 | 15.785 | ~ | 9 | 0 |
| 12 | * ups Ori | SB* | 05 31 55.8599595648 | -07 18 05.535884975 | 3.30 | 4.36 | 4.63 | 4.75 | 5.01 | O9.7V | 426 | 0 |
| 13 | * tet02 Ori B | Y*O | 05 35 26.4007537560 | -05 25 00.793767576 | 5.36 | 6.29 | 6.38 | 6.29 | 11.050 | B0.7V | 206 | 0 |
| 14 | HD 57682 | * | 07 22 02.0546074728 | -08 58 45.766323408 | 5.20 | 6.24 | 6.43 | O9.2IV | 275 | 0 |
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