21396+2712 GRV 489
21h 39m 38.18s +27° 12' 51.5" P.A. 229.00 sep 51.9 mag 10.36,13.67
| Coord 2000 |
21396+2712 |
|
Discov num |
GRV 489 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 38.18 +27 12 51.5 |
|
| Date first |
1997 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
229 |
|
Pa last |
228.7 |
|
P.A. Now (θ) |
228.7° |
|
| Sep first |
52.0 |
|
Sep last |
51.877 |
|
Sep. Now (ρ) |
51.877" |
|
| Mag pri |
10.36 |
|
Mag sec |
13.67 |
|
delta mag (ΔM) |
3.31 |
|
Spectral class |
|
|
| Pri motion ra |
-021 |
|
Sec motion ra |
-023 |
|
| Pri motion dec |
-028 |
|
Sec motion dec |
-020 |
|
| Notes |
|
|
rPM=0.236 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
2197-01147-1 |
|
Gaia DR2 |
1800453284078841600 |
|
