21217+4434 GRV 455
21h 21m 46.93s +44° 34' 46.4" P.A. 132.00 sep 28.9 mag 12.35,13.53
| Coord 2000 |
21217+4434 |
|
Discov num |
GRV 455 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 46.93 +44 34 46.4 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
132 |
|
Pa last |
132.4 |
|
P.A. Now (θ) |
132.4° |
|
| Sep first |
28.8 |
|
Sep last |
28.85 |
|
Sep. Now (ρ) |
28.85" |
|
| Mag pri |
12.35 |
|
Mag sec |
13.53 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
+042 |
|
| Pri motion dec |
+019 |
|
Sec motion dec |
-039 |
|
| Notes |
|
|
rPM=1.065
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1971603603357617536 |
|
