21415+5035 COU 2444
21h 41m 30.35s +50° 35' 21.7" P.A. 340.00 sep 0.6 mag 11.30,13.00
| Coord 2000 |
21415+5035 |
|
Discov num |
COU2444 |
|
Comp |
|
|
Coord arcsec 2000 |
21 41 30.35 +50 35 21.7 |
|
| Date first |
1986 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
334 |
|
Pa last |
339.9 |
|
P.A. Now (θ) |
339.9° |
|
| Sep first |
0.5 |
|
Sep last |
0.573 |
|
Sep. Now (ρ) |
0.573" |
|
| Mag pri |
11.30 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
+011 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3599-01071-1 |
|
