21296+4626 HDS 3059 (HD 204812)
21h 29m 36.72s +46° 25' 35.2" P.A. 142.00 sep 0.7 mag 6.80,10.84 Sp A3 dist. 306.75 pc (1000.62 l.y.)
| Coord 2000 |
21296+4626 |
|
Discov num |
HDS3059 |
|
Comp |
|
|
Coord arcsec 2000 |
21 29 36.72 +46 25 35.2 |
|
| Date first |
1991 |
|
Date last |
2012 |
|
Obs |
3 |
|
| Pa first |
217 |
|
Pa last |
142 |
|
P.A. Now (θ) |
142° |
|
| Sep first |
0.4 |
|
Sep last |
0.669 |
|
Sep. Now (ρ) |
0.669" |
|
| Mag pri |
6.80 |
|
Mag sec |
10.84 |
|
delta mag (ΔM) |
4.04 |
|
Spectral class |
A3 (white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 204812 |
|
Constellation |
Cygnus |
|
SAO |
50935 |
|
HIP |
106108 |
|
| Tycho2 |
3590-01559-1 |
|
Gaia DR2 |
1972193804899677440 |
|
HD |
204812 |
|
GC |
30112 |
|
| BD |
BD+45 3559 |
|
Distance |
306.75 |
|
Distance ly |
1000.62 |
|
