21212+4003 COU 2230
21h 21m 15.49s +40° 02' 31.6" P.A. 81.00 sep 0.4 mag 11.90,11.90
Coord 2000 |
21212+4003 |
|
Discov num |
COU2230 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 15.49 +40 02 31.6 |
|
Date first |
1983 |
|
Date last |
2014 |
|
Obs |
6 |
|
Pa first |
66 |
|
Pa last |
80.9 |
|
P.A. Now (θ) |
80.9° |
|
Sep first |
0.3 |
|
Sep last |
0.384 |
|
Sep. Now (ρ) |
0.384" |
|
Mag pri |
11.90 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
+013 |
|
Sec motion ra |
|
|
Pri motion dec |
+003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3186-00705-1 |
|