2002A&A...395..885D

Query : 2002A&A...395..885D

2002A&A...395..885D - Astronomy and Astrophysics, volume 395, 885-890 (2002/12-1)

The radial velocities and physical parameters of HD 553.

DUEMMLER R., ILIEV I.K. and ILIEV L.

Abstract (from CDS):

object{HD 553} was discovered as an eclipsing binary by Hipparcos. Here, we present the first radial velocity curve for this system. It is found, that HD 553 is a double-lined spectroscopic binary. Despite the large luminosity difference, the two components of this system are of very similar mass. The primary, a K0-giant, fills a large fraction of its Roche-lobe. The secondary is, despite its very similar mass, still a late-type dwarf. The radial velocity curve allows to constrain several stellar and system parameters.

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Journal keyword(s): stars: individual: HD 553 - binaries: spectroscopic - binaries: eclipsing - stars: late-type - stars: starspots - techniques: radial velocities

VizieR on-line data: <Available at CDS (J/A+A/395/885): table1.dat>

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 V* V741 Cas EB* 00 10 10.4639761080 +64 38 48.182747964   9.21 8.14     K0II+G2IV-V 23 0
2 * alf Cas PM* 00 40 30.4430418459 +56 32 14.385181354 4.52 3.40 2.23 1.45 0.85 K0-IIIa 339 0
3 * bet Gem PM* 07 45 18.94987 +28 01 34.3160 3.00 2.14 1.14 0.39 -0.11 K0IIIb 1101 2

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