21207+4251 GRV 452
21h 20m 47.33s +42° 51' 57.0" P.A. 162.00 sep 59.2 mag 12.80,13.21
| Coord 2000 |
21207+4251 |
|
Discov num |
GRV 452 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 47.33 +42 51 57.0 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
162 |
|
Pa last |
161.9 |
|
P.A. Now (θ) |
161.9° |
|
| Sep first |
59.3 |
|
Sep last |
59.237 |
|
Sep. Now (ρ) |
59.237" |
|
| Mag pri |
12.80 |
|
Mag sec |
13.21 |
|
delta mag (ΔM) |
0.41 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
rPM=0.747
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1970615417289345792 |
|
