21087+7342 OSO 141
21h 08m 40.65s +73° 41' 48.5" P.A. 156.00 sep 14.7 mag 8.70,16.50 Sp K2 dist. 31.14 pc (101.58 l.y.)
Coord 2000 |
21087+7342 |
|
Discov num |
OSO 141 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 40.65 +73 41 48.5 |
|
Date first |
1994 |
|
Date last |
2003 |
|
Obs |
4 |
|
Pa first |
172 |
|
Pa last |
156 |
|
P.A. Now (θ) |
156° |
|
Sep first |
17.5 |
|
Sep last |
14.683 |
|
Sep. Now (ρ) |
14.683" |
|
Mag pri |
8.70 |
|
Mag sec |
16.50 |
|
delta mag (ΔM) |
7.8 |
|
Spectral class |
K2 (yellow-orange) |
|
Pri motion ra |
-320 |
|
Sec motion ra |
|
|
Pri motion dec |
-401 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
SAO |
9971 |
|
HIP |
104375 |
|
Tycho2 |
4472-00415-1 |
|
HD |
202123 |
|
GC |
29609 |
|
BD |
BD+73 925 |
|
Distance |
31.14 |
|
Distance ly |
101.58 |
|