21219+4049 GRV 456
21h 21m 55.70s +40° 49' 18.0" P.A. 56.00 sep 36.5 mag 11.15,11.71
| Coord 2000 |
21219+4049 |
|
Discov num |
GRV 456 |
|
Comp |
|
|
Coord arcsec 2000 |
21 21 55.70 +40 49 18.0 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
54 |
|
Pa last |
55.7 |
|
P.A. Now (θ) |
55.7° |
|
| Sep first |
40.7 |
|
Sep last |
36.451 |
|
Sep. Now (ρ) |
36.451" |
|
| Mag pri |
11.15 |
|
Mag sec |
11.71 |
|
delta mag (ΔM) |
0.56 |
|
Spectral class |
|
|
| Pri motion ra |
+011 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+012 |
|
Sec motion dec |
-018 |
|
| Notes |
|
|
rPM=1.811
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3186-01046-1 |
|
Gaia DR2 |
1965712699238685184 |
|
