21229+3142 GRV 458
21h 22m 55.17s +31° 42' 30.2" P.A. 123.00 sep 43.4 mag 11.30,13.90
| Coord 2000 |
21229+3142 |
|
Discov num |
GRV 458 |
|
Comp |
|
|
Coord arcsec 2000 |
21 22 55.17 +31 42 30.2 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
123 |
|
Pa last |
123.3 |
|
P.A. Now (θ) |
123.3° |
|
| Sep first |
43.2 |
|
Sep last |
43.354 |
|
Sep. Now (ρ) |
43.354" |
|
| Mag pri |
11.30 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
-014 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-025 |
|
| Notes |
|
|
rPM=0.743
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2703-01586-1 |
|
Gaia DR2 |
1853666893787400192 |
|
