21231+4831 HDS 3045 (HD 203839)
21h 23m 08.20s +48° 31' 08.3" P.A. 63.00 sep 0.1 mag 8.02,10.16 Sp F0 dist. 84.96 pc (277.14 l.y.)
Coord 2000 |
21231+4831 |
|
Discov num |
HDS3045 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 08.20 +48 31 08.3 |
|
Date first |
1991 |
|
Date last |
2018 |
|
Obs |
16 |
|
Pa first |
59 |
|
Pa last |
62.8 |
|
P.A. Now (θ) |
62.8° |
|
Sep first |
0.5 |
|
Sep last |
0.133 |
|
Sep. Now (ρ) |
0.133" |
|
Mag pri |
8.02 |
|
Mag sec |
10.16 |
|
delta mag (ΔM) |
2.14 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+108 |
|
Sec motion ra |
|
|
Pri motion dec |
-026 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 203839 |
|
Constellation |
Cygnus |
|
SAO |
50783 |
|
HIP |
105584 |
|
Tycho2 |
3594-01060-1 |
|
Gaia DR2 |
2164802575358048128 |
|
HD |
203839 |
|
BD |
BD+47 3386 |
|
Distance |
84.96 |
|
Distance ly |
277.14 |
|