21511+4209 COU 1822 AB
21h 51m 07.41s +42° 08' 51.1" P.A. 19.00 sep 0.2 mag 10.70,10.70
| Coord 2000 |
21511+4209 |
|
Discov num |
COU1822 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 51 07.41 +42 08 51.1 |
|
| Date first |
1979 |
|
Date last |
2012 |
|
Obs |
4 |
|
| Pa first |
45 |
|
Pa last |
19 |
|
P.A. Now (θ) |
19° |
|
| Sep first |
0.2 |
|
Sep last |
0.165 |
|
Sep. Now (ρ) |
0.165" |
|
| Mag pri |
10.70 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-044 |
|
Sec motion ra |
|
|
| Pri motion dec |
-072 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3193-01020-1 |
|
