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| Query : 2018RAA....18...94S |
2018RAA....18...94S - Research in Astron. and astroph., 18, 94-94 (2018/August-0)
Estimating masses of selected stars in the Pulkovo program by means of astrometry methods.
SHAKHT N.A., GORSHANOV D.L. and VASILKOVA O.O.
Abstract (from CDS):
Stars in the Pulkovo Observatory program are observed with a 65-cm refractor during many years to study their positions and movements. We present examples of two visual binary stars, for which orbits and masses of components were determined, and two astrometric stars, for which masses of their unseen companions were estimated. The first two stars are ADS 14636 (61 Cygni) and ADS 7251, and the others are Gliese 623 and ADS 8035 (Alpha UMa). Direct astrometric methods are used for estimation of mass-ratio and masses.
Abstract Copyright: ∼
Journal keyword(s): stellar masses - orbits - binaries: individual: ((61 Cygni, Alpha UMa, Gliese 623, ADS 7251))
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 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | HD 79210 | SB* | 09 14 22.7748624830 | +52 41 11.791503353 | 9.388 | 6.8 | K7V | 310 | 0 | |||
| 2 | HD 79211 | Er* | 09 14 24.6828466599 | +52 41 10.902471910 | 7.966 | 6.8 | M0V | 301 | 0 | |||
| 3 | * alf UMa B | PM* | 11 03 43.598848 | +61 45 03.14311 | 5.26 | 4.86 | A7.5 | 5 | 0 | |||
| 4 | * alf UMa A | PM* | 11 03 43.668632 | +61 45 03.72003 | 3.01 | 1.87 | G9III | 11 | 0 | |||
| 5 | * alf UMa | SB* | 11 03 43.67152 | +61 45 03.7249 | 3.78 | 2.86 | 1.79 | 0.98 | 0.40 | G9III+A7.5 | 439 | 0 |
| 6 | G 202-45 | SB* | 16 24 09.3137145795 | +48 21 11.107573476 | 12.099 | M3.0V | 182 | 1 | ||||
| 7 | [EG97] S1 | * | 17 45 40.0418 | -29 00 28.324 | B0/2V | 93 | 0 | |||||
| 8 | * 61 Cyg A | BY* | 21 06 53.9395895022 | +38 44 57.902349973 | 7.50 | 6.39 | 5.21 | 4.19 | 3.54 | K5V | 1036 | 0 |
| 9 | * 61 Cyg | ** | 21 06 53.95 | +38 44 57.9 | ~ | 177 | 0 | |||||
| 10 | * 61 Cyg B | Er* | 21 06 55.2638444466 | +38 44 31.358519864 | 8.63 | 7.40 | 6.03 | 4.86 | 3.55 | K7V | 722 | 0 |
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