21207+4455 GRV 451
21h 20m 45.20s +44° 55' 19.0" P.A. 184.00 sep 52.1 mag 12.32,12.89
| Coord 2000 |
21207+4455 |
|
Discov num |
GRV 451 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 45.20 +44 55 19.0 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
184 |
|
Pa last |
183.5 |
|
P.A. Now (θ) |
183.5° |
|
| Sep first |
52.3 |
|
Sep last |
52.127 |
|
Sep. Now (ρ) |
52.127" |
|
| Mag pri |
12.32 |
|
Mag sec |
12.89 |
|
delta mag (ΔM) |
0.57 |
|
Spectral class |
|
|
| Pri motion ra |
-016 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-016 |
|
| Notes |
|
|
rPM=0.261 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1971626044576146176 |
|
