21225+4929 HDS 3043 (HD 203746)
21h 22m 28.95s +49° 29' 29.1" P.A. 113.00 sep 0.2 mag 6.99,9.30 Sp B9 dist. 261.1 pc (851.71 l.y.)
| Coord 2000 |
21225+4929 |
|
Discov num |
HDS3043 |
|
Comp |
|
|
Coord arcsec 2000 |
21 22 28.95 +49 29 29.1 |
|
| Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
| Pa first |
113 |
|
Pa last |
113 |
|
P.A. Now (θ) |
113° |
|
| Sep first |
0.2 |
|
Sep last |
0.196 |
|
Sep. Now (ρ) |
0.196" |
|
| Mag pri |
6.99 |
|
Mag sec |
9.30 |
|
delta mag (ΔM) |
2.31 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203746 |
|
Constellation |
Cygnus |
|
SAO |
50768 |
|
HIP |
105540 |
|
| Tycho2 |
3597-01298-1 |
|
Gaia DR2 |
2171048660393942016 |
|
HD |
203746 |
|
GC |
29938 |
|
| BD |
BD+48 3360 |
|
Distance |
261.1 |
|
Distance ly |
851.71 |
|
