21205+2554 GRV 450
21h 20m 33.41s +25° 54' 02.8" P.A. 138.00 sep 51.0 mag 10.50,12.92
| Coord 2000 |
21205+2554 |
|
Discov num |
GRV 450 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 33.41 +25 54 02.8 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
140 |
|
Pa last |
138.3 |
|
P.A. Now (θ) |
138.3° |
|
| Sep first |
50.4 |
|
Sep last |
51.008 |
|
Sep. Now (ρ) |
51.008" |
|
| Mag pri |
10.50 |
|
Mag sec |
12.92 |
|
delta mag (ΔM) |
2.42 |
|
Spectral class |
|
|
| Pri motion ra |
+015 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
-017 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.197 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2190-00975-1 |
|
Gaia DR2 |
1846811919823664256 |
|
