21284+3447 COU 1638
21h 28m 21.61s +34° 47' 14.6" P.A. 226.00 sep 1.3 mag 10.20,12.20
| Coord 2000 |
21284+3447 |
|
Discov num |
COU1638 |
|
Comp |
|
|
Coord arcsec 2000 |
21 28 21.61 +34 47 14.6 |
|
| Date first |
1977 |
|
Date last |
2009 |
|
Obs |
6 |
|
| Pa first |
228 |
|
Pa last |
226.1 |
|
P.A. Now (θ) |
226.1° |
|
| Sep first |
1.1 |
|
Sep last |
1.31 |
|
Sep. Now (ρ) |
1.31" |
|
| Mag pri |
10.20 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2712-01447-1 |
|
Gaia DR2 |
1951214676351137408 |
|
