21502+5131 COU 2655
21h 50m 11.45s +51° 30' 21.2" P.A. 255.00 sep 0.2 mag 10.80,11.30 Sp F2
| Coord 2000 |
21502+5131 |
|
Discov num |
COU2655 |
|
Comp |
|
|
Coord arcsec 2000 |
21 50 11.45 +51 30 21.2 |
|
| Date first |
1989 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
254 |
|
Pa last |
255.3 |
|
P.A. Now (θ) |
255.3° |
|
| Sep first |
0.3 |
|
Sep last |
0.217 |
|
Sep. Now (ρ) |
0.217" |
|
| Mag pri |
10.80 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
-014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
