Parameter | HD 219542 A | HD 219542 B | Ref. |
![]() |
23 16 35.24 | 23 16 35.42 | 1 |
![]() |
-01 35 11.5 | -01 35 07.0 | 1 |
![]() |
163.28 ![]() |
163.28 ![]() |
1 |
![]() |
20.97 ![]() |
20.97 ![]() |
1 |
RV (km s-1) | -11.1 ![]() |
-10.0 ![]() |
2 |
![]() |
18.30 ![]() |
1 | |
d (pc) | 54.6 ![]() |
1 | |
U (km s-1) | -40.5 ![]() |
2 | |
V (km s-1) | -16.4 ![]() |
2 | |
W (km s-1) | -4.0 ![]() |
2 | |
VT | 8.172 ![]() |
8.591 ![]() |
3 |
(B-V)T | 0.705 ![]() |
0.791 ![]() |
3 |
V | 8.198 ![]() |
8.589 ![]() |
4 |
V-I | 0.641 ![]() |
0.705 ![]() |
4 |
![]() |
8.312 ![]() |
8.689 ![]() |
1 |
![]() |
0.011a,b | 1 | |
J | 6.992 ![]() |
7.216 ![]() |
5 |
H | 6.726 ![]() |
6.896 ![]() |
5 |
K | 6.627 ![]() |
6.830 ![]() |
5 |
b-y | 0.405a ![]() |
6 | |
m1 | 0.214a ![]() |
6 | |
c1 | 0.367a ![]() |
6 | |
ST | G2V | G7V | 7 |
MV | 4.48 ![]() |
4.90 ![]() |
8 |
![]() |
5989 ![]() |
5713 ![]() |
8 |
![]() |
276 ![]() |
8 | |
![]() |
4.37 ![]() |
4.38 ![]() |
8 |
![]() |
-5.36 ![]() |
-5.11 ![]() |
2 |
![]() |
1.9 ![]() |
2.4 ![]() |
2 |
![]() |
4.4 ![]() |
4.8 ![]() |
2 |
![]() |
2.1+1.8-1.2 1028 a | 2 | |
![]() |
+0.29 ![]() |
+0.20 ![]() |
8 |
![]() |
0.091 ![]() |
8 | |
![]() |
2.35 | <1.0 | 8 |
![]() |
1.13 ![]() |
1.06 ![]() |
2 |
![]() |
1.05 | 0.96 | 2 |
Age (Gyr) | ![]() |
2 |
References: 1 Hipparcos (ESA 1997);
2 This paper;
3 Tycho (ESA 1997);
4 Cuypers & Seggewiss (1999);
5 2MASS; 6 Olsen (1998); 7 Corbally & Garrison (1980); 8 Paper I. a A+B. b See Sect. 6.2 for details. |