21164+0421 GRV 442
21h 16m 27.55s +04° 21' 52.7" P.A. 181.00 sep 52.9 mag 12.30,13.57
| Coord 2000 |
21164+0421 |
|
Discov num |
GRV 442 |
|
Comp |
|
|
Coord arcsec 2000 |
21 16 27.55 +04 21 52.7 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
181 |
|
Pa last |
180.8 |
|
P.A. Now (θ) |
180.8° |
|
| Sep first |
53.1 |
|
Sep last |
52.874 |
|
Sep. Now (ρ) |
52.874" |
|
| Mag pri |
12.30 |
|
Mag sec |
13.57 |
|
delta mag (ΔM) |
1.27 |
|
Spectral class |
|
|
| Pri motion ra |
-024 |
|
Sec motion ra |
-024 |
|
| Pri motion dec |
-042 |
|
Sec motion dec |
-022 |
|
| Notes |
|
|
rPM=0.413
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Equuleus |
|
Gaia DR2 |
1732308916346445696 |
|
