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| Query : 2000A&A...360.1003R |
2000A&A...360.1003R - Astronomy and Astrophysics, volume 3601003-1010 (2000/8-3)
A new orbital solution for the massive binary system HD 93403.
RAUW G., SANA H., GOSSET E., VREUX J.-M., JEHIN E. and PARMENTIER G.
Abstract (from CDS):
We present a spectroscopic analysis of the early-type massive binary system HD 93403. Using high resolution optical spectra, we clearly separate the primary and secondary components. For the first time, we are able to provide an orbital solution for both stars. Our new orbital parameters show discrepancies with the previous solution published by Thackeray & Emerson (1969MNRAS.142..429T). We further discuss several spectral features of HD 93403. We finally derive qualitative constraints on the inclination of the system and we discuss its evolutionary status and the position of both components in the Hertzsprung-Russell diagram.
Abstract Copyright: ∼
Journal keyword(s): stars: binaries: spectroscopic - stars: early-type - stars: fundamental parameters - stars: individual: HD 93403
Simbad objects: 2
| Number of rows : 2 |
| 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 | NGC 3372 | HII | 10 45 02.23 | -59 41 59.8 | ~ | 1071 | 2 | |||||
| 2 | HD 93403 | SB* | 10 45 44.1198371784 | -59 24 28.153300860 | 6.72 | 8.46 | 8.27 | 8.35 | O5.5III(fc)var | 203 | 1 |
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