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Query : 1999PASP..111..169T |
1999PASP..111..169T - Publ. Astron. Soc. Pac., 111, 169-176 (1999/February-0)
Substellar companion masses from minimal radial velocity or astrometric information: a Monte Carlo approach.
TORRES G.
Abstract (from CDS):
We show here that a single measurement of the angular separation of such companions, if they can be imaged directly, provides valuable statistical information on their mass when combined with the accelerations. We derive the probability distribution of the companion mass separately for the radial velocity case and for the astrometric case by Monte Carlo simulations, and illustrate the application of the technique with several examples. The information on the masses of such wide substellar companions is complementary to that from closer spectroscopic companions, and a full analysis of the mass distribution of these objects should include both to avoid possible biases.
Abstract Copyright: ∼
Journal keyword(s): Stars: Low-Mass, Brown Dwarfs - Methods: Numerical - Methods: Statistical
Simbad objects: 6
Number of rows : 6 |
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 | * alf CMi | SB* | 07 39 18.11950 | +05 13 29.9552 | 0.82 | 0.79 | 0.37 | -0.05 | -0.28 | F5IV-V+DQZ | 1864 | 0 |
2 | * rho01 Cnc | EB* | 08 52 35.8111044043 | +28 19 50.954994470 | 7.45 | 6.82 | 5.4 | K0IV-V | 1121 | 1 | ||
3 | * bet Com | PM* | 13 11 52.3938268062 | +27 52 41.462309460 | 4.92 | 4.84 | 4.25 | 3.77 | 3.47 | F9.5V | 908 | 0 |
4 | V* CM Dra | BY* | 16 34 20.3302660573 | +57 09 44.368918696 | 14.50 | 12.87 | 10.85 | 9.26 | M4.5V | 438 | 0 | |
5 | * mu.01 Her | ** | 17 46 27.5472960785 | +27 43 14.560978925 | 4.56 | 4.17 | 3.42 | 2.89 | 2.51 | G5IV | 691 | 0 |
6 | * eta Cep | PM* | 20 45 17.3751675120 | +61 50 19.614231888 | 4.960 | 4.320 | 3.410 | 2.76 | 2.27 | K0IV | 445 | 0 |
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