21122+4549 ES 1272
21h 12m 04.54s +45° 49' 48.8" P.A. 53.00 sep 3.8 mag 10.91,11.20
| Coord 2000 |
21122+4549 |
|
Discov num |
ES 1272 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 04.54 +45 49 48.8 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
52 |
|
Pa last |
52.8 |
|
P.A. Now (θ) |
52.8° |
|
| Sep first |
3.5 |
|
Sep last |
3.818 |
|
Sep. Now (ρ) |
3.818" |
|
| Mag pri |
10.91 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.29 |
|
Spectral class |
|
|
| Pri motion ra |
-045 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-034 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
rPM=1.161
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2164085521986884736 |
|