21056+3327 GRV 415
21h 05m 39.35s +33° 27' 18.4" P.A. 215.00 sep 21.8 mag 12.50,12.60
Coord 2000 |
21056+3327 |
|
Discov num |
GRV 415 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 39.35 +33 27 18.4 |
|
Date first |
1934 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
218 |
|
Pa last |
214.9 |
|
P.A. Now (θ) |
214.9° |
|
Sep first |
21.4 |
|
Sep last |
21.767 |
|
Sep. Now (ρ) |
21.767" |
|
Mag pri |
12.50 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
-012 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
1865510150150915584 |
|