21142+3058 COU 834 (HD 202313)
21h 14m 09.87s +30° 57' 41.4" P.A. 77.00 sep 7.9 mag 7.74,11.30 Sp A0 dist. 1282.05 pc (4182.05 l.y.)
| Coord 2000 |
21142+3058 |
|
Discov num |
COU 834 |
|
Comp |
|
|
Coord arcsec 2000 |
21 14 09.87 +30 57 41.4 |
|
| Date first |
1972 |
|
Date last |
2014 |
|
Obs |
7 |
|
| Pa first |
77 |
|
Pa last |
76.9 |
|
P.A. Now (θ) |
76.9° |
|
| Sep first |
7.6 |
|
Sep last |
7.864 |
|
Sep. Now (ρ) |
7.864" |
|
| Mag pri |
7.74 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
3.56 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 202313 |
|
Constellation |
Cygnus |
|
SAO |
71101 |
|
HIP |
104819 |
|
| Tycho2 |
2702-01799-1 |
|
Gaia DR2 |
1852816563283650048 |
|
HD |
202313 |
|
BD |
BD+30 4365 |
|
| Distance |
1282.05 |
|
Distance ly |
4182.05 |
|
