21370+4520 COU 2309
21h 37m 00.95s +45° 20' 24.5" P.A. 53.00 sep 0.7 mag 10.75,11.08
| Coord 2000 |
21370+4520 |
|
Discov num |
COU2309 |
|
Comp |
|
|
Coord arcsec 2000 |
21 37 00.95 +45 20 24.5 |
|
| Date first |
1984 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
49 |
|
Pa last |
53.4 |
|
P.A. Now (θ) |
53.4° |
|
| Sep first |
0.6 |
|
Sep last |
0.7 |
|
Sep. Now (ρ) |
0.7" |
|
| Mag pri |
10.75 |
|
Mag sec |
11.08 |
|
delta mag (ΔM) |
0.33 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3591-02683-1 |
|
Gaia DR2 |
1977090991013759616 |
|
