2000MNRAS.312..225G

Query : 2000MNRAS.312..225G

2000MNRAS.312..225G - Mon. Not. R. Astron. Soc., 312, 225-235 (2000/February-3)

Composite spectra. Paper 9: HR 5983.

GRIFFIN R.E.M. and GRIFFIN R.F.

Abstract (from CDS):

HR 5983 is a sixth-magnitude composite-spectrum binary system. It has a circular orbit and a period of 108d. We separate the component spectra and show that they are of types ∼G6IIIa and A2.5IV, with a mass ratio (giant:dwarf) of ∼1.04. We find that the secondary has a mass close to 2.6M☉ and has already evolved somewhat from the main sequence, and that the primary appears to have reached the helium-burning `blue loop' stage and is in synchronous rotation. The system resembles Capella in several respects, and may represent an earlier phase in the evolution of the latter.

Abstract Copyright: Blackwell Science Ltd

Journal keyword(s): binaries: spectroscopic - stars: individual: HR 5983

Simbad objects: 10

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Number of rows : 10
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 4615 SB* 00 48 41.1028090536 +52 06 02.924122356   7.70 6.85     F8 32 0
2 HD 4775 SB* 00 50 43.5977451408 +64 14 51.249546240   5.868 5.362     G5III+A0V 96 0
3 2C 94 Sy2 01 08 52.8701830824 +13 20 14.262799812   15.19       ~ 494 2
4 * alf Aur SB* 05 16 41.35871 +45 59 52.7693 1.33 0.88 0.08 -0.52 -0.96 G3III: 1207 0
5 * tet Leo PM* 11 14 14.4056705348 +15 25 46.455911128 3.40 3.33 3.35 3.32 3.34 A2IV 353 0
6 * bet Crv PM* 12 34 23.2349224335 -23 23 48.336778328 4.17 3.52 2.64 2.03 1.59 G5IIBa0.3 272 0
7 HD 144208 SB* 16 03 19.3643869944 +36 37 54.435536976   6.377 5.804     G6IIIa+A2.5IV 78 0
8 * psi Sco * 16 11 59.9931241272 -10 03 50.910154632   5.029 4.928     A1V 104 0
9 * 15 Cyg PM* 19 44 16.6052015928 +37 21 15.682143024   5.830 4.887     G8III 120 0
10 * 31 Vul SB* 20 52 07.6902075264 +27 05 48.999114816   5.399 4.568     G7IIIFe-1 154 0

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