21409+3122 AG 275
21h 40m 53.07s +31° 22' 21.2" P.A. 13.00 sep 10.9 mag 10.76,11.30 Sp F5
| Coord 2000 |
21409+3122 |
|
Discov num |
AG 275 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 53.07 +31 22 21.2 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
13 |
|
Pa last |
13 |
|
P.A. Now (θ) |
13° |
|
| Sep first |
10.7 |
|
Sep last |
10.88 |
|
Sep. Now (ρ) |
10.88" |
|
| Mag pri |
10.76 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+012 |
|
| Notes |
|
|
rPM=0.275 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2717-01358-1 |
|
Gaia DR2 |
1945921455572791296 |
|
