21331+4047 GRV 477
21h 33m 10.34s +40° 47' 52.2" P.A. 316.00 sep 21.5 mag 11.20,12.30
| Coord 2000 |
21331+4047 |
|
Discov num |
GRV 477 |
|
Comp |
|
|
Coord arcsec 2000 |
21 33 10.34 +40 47 52.2 |
|
| Date first |
2002 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
316 |
|
Pa last |
315.7 |
|
P.A. Now (θ) |
315.7° |
|
| Sep first |
21.5 |
|
Sep last |
21.466 |
|
Sep. Now (ρ) |
21.466" |
|
| Mag pri |
11.20 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
|
|
| Pri motion ra |
-029 |
|
Sec motion ra |
-029 |
|
| Pri motion dec |
-036 |
|
Sec motion dec |
-036 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3187-00969-1 |
|
Gaia DR2 |
1966275408671582720 |
|
