2000A&A...364..665S

Query : 2000A&A...364..665S

2000A&A...364..665S - Astronomy and Astrophysics, volume 364, 665-673 (2000/12-2)

Accurate masses of very low mass stars. III. 16 new or improved masses.

SEGRANSAN D., DELFOSSE X., FORVEILLE T., BEUZIT J.-L., UDRY S., PERRIER C. and MAYOR M.

Abstract (from CDS):

We have obtained adaptive optics images and accurate radial velocities for 7 very low mass objects, In the course of a long term effort to determine accurate masses for very low mass stars (M<0.6 M☉). We use the new data, together with measurements from the litterature for some stars, to determine new or improved orbits for these 7 systems. They provide masses for 16 very low mass stars with accuracies that range between 0.2% and 5%, and in some cases a very accurate distance as well. This information is used in a companion paper to discuss the Mass-Luminosity relation for the V, J, H and K photometric bands.

Abstract Copyright: ∼

Journal keyword(s): stars: binaries: general - stars: binaries: spectroscopic - stars: binaries: visual - stars: low-mass, brown dwarfs - techniques: radial velocities - stars: late-type

VizieR on-line data: <Available at CDS (J/A+A/364/665): refs.dat stars.dat tab4-10.dat tab11-14.dat table15.dat>

Simbad objects: 12

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Number of rows : 12
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 Ross 614 Er* 06 29 23.3915175239 -02 48 48.803911021 13.942 12.764 11.071 9.77 8.05 M4.5V 349 0
2 Ross 614B PM* 06 29 23.52 -02 48 51.1   16 14.23     ~ 98 0
3 * alf Gem A SB* 07 34 35.862828 +31 53 17.79429     1.9     A1.5IV+ 389 0
4 * alf Gem B SB* 07 34 36.100452 +31 53 18.57117     3.0     kA0hA2:mA1IVs 290 1
5 V* YY Gem BY* 07 34 37.4474327544 +31 52 10.179641496 11.60 10.56 9.27 7.69 6.67 M0.5VeFe-2 854 0
6 V* CU Cnc SB* 08 31 37.5741841080 +19 23 39.398029332   12.83 11.809 11.592   M5Ve 221 0
7 V* CM Dra BY* 16 34 20.3302660573 +57 09 44.368918696   14.50 12.87 10.85 9.26 M4.5V 438 0
8 HD 152751 SB* 16 55 28.7575690 -08 20 10.787849 11.647 10.593 9.023 7.937 6.565 M3.5Ve 523 1
9 G 207-16 ** 19 07 42.98736 +32 32 41.7012   12.97 11.26 10.1 8.65 M3V 76 0
10 BD+33 3339 SB* 19 08 53.9320893288 +34 03 44.032831020   10.76 9.47     K8 70 0
11 Wolf 922 ** 21 31 18.5690289199 -09 47 26.482273373 14.901 13.670 12.006 10.708 9.038 M4.5V 159 0
12 V* EZ Aqr Er* 22 38 33.576000 -15 17 59.75700 15.762 14.33 12.38 12.12 8.677 M5V 304 1

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