21550+5356 SKF 2398
21h 54m 59.74s +53° 56' 08.2" P.A. 310.00 sep 11.5 mag 6.90,13.00 Sp F5V+M3 dist. 47.62 pc (155.34 l.y.)
| Coord 2000 |
21550+5356 |
|
Discov num |
SKF2398 |
|
Comp |
|
|
Coord arcsec 2000 |
21 54 59.74 +53 56 08.2 |
|
| Date first |
1955 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
311 |
|
Pa last |
310.1 |
|
P.A. Now (θ) |
310.1° |
|
| Sep first |
12.8 |
|
Sep last |
11.545 |
|
Sep. Now (ρ) |
11.545" |
|
| Mag pri |
6.90 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
6.1 |
|
Spectral class |
F5V+M3 (yellow-white/red) |
|
| Pri motion ra |
+148 |
|
Sec motion ra |
+163 |
|
| Pri motion dec |
+086 |
|
Sec motion dec |
+088 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.082 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
33865 |
|
HIP |
108174 |
|
Tycho2 |
3968-00943-1 |
|
| Gaia DR2 |
2173711437038708224 |
|
HD |
208502 |
|
GC |
30692 |
|
BD |
BD+53 2735 |
|
| Distance |
47.62 |
|
Distance ly |
155.34 |
|
