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| Query : 1999MNRAS.305..641G |
1999MNRAS.305..641G - Mon. Not. R. Astron. Soc., 305, 641-650 (1999/May-3)
Composite spectra. Paper 8: HD 4615/6.
GRIFFIN R.E.M. and GRIFFIN R.F.
Abstract (from CDS):
HD 4615/6 is a seventh-magnitude composite-spectrum binary system. It has an orbit of moderate eccentricity (0.43) and a period of 303 d. The system is of course unresolved at the telescope, but we are able to separate the spectra of the component stars and show that they are of types K2 III (HD 4615) and A2.5 V (HD 4616), with a mass ratio (giant:dwarf) of approximately 1.25. The orbital inclination is high, but there are no eclipses. The maximum apparent angular separation is expected to be about 0.009 arcsec. Neither star's rotation is synchronized with the orbital motion.
Abstract Copyright: 1999 RAS
Journal keyword(s): binaries: spectroscopic - stars: individual: HD 4615/6
Simbad objects: 10
| 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 | HD 5128 | PM* | 00 53 47.5997104680 | +52 41 21.459958980 | 6.49 | 6.31 | A0 | 46 | 0 | |||
| 4 | * mu. Cas | SB* | 01 08 16.3029454473 | +54 55 12.561201263 | 5.93 | 5.86 | 5.17 | 4.55 | 4.13 | G5Vb | 593 | 1 |
| 5 | * tau Per | SB* | 02 54 15.4777208304 | +52 45 44.882735292 | 5.17 | 4.71 | 3.96 | 3.33 | 2.89 | G8III+A7V | 175 | 0 |
| 6 | * 36 Tau | SB* | 04 04 21.6685905480 | +24 06 21.664655676 | 6.319 | 5.512 | K1II+B7.5IV: | 88 | 1 | |||
| 7 | * tet Leo | PM* | 11 14 14.4056705348 | +15 25 46.455911128 | 3.40 | 3.33 | 3.35 | 3.32 | 3.34 | A2IV | 353 | 0 |
| 8 | * zet Vir | PM* | 13 34 41.5913587272 | -00 35 44.939098032 | 3.58 | 3.50 | 3.38 | 3.31 | 3.25 | A2Van | 206 | 0 |
| 9 | * psi Sco | * | 16 11 59.9931241272 | -10 03 50.910154632 | 5.029 | 4.928 | A1V | 104 | 0 | |||
| 10 | * bet Oph | PM* | 17 43 28.3519097803 | +04 34 02.293206489 | 5.150 | 3.930 | 2.750 | 1.96 | 1.38 | K2IIICN0.5 | 490 | 0 |
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