21564+3725 ES 2525
21h 56m 24.58s +37° 23' 56.6" P.A. 110.00 sep 8.4 mag 11.40,13.10
| Coord 2000 |
21564+3725 |
|
Discov num |
ES 2525 |
|
Comp |
|
|
Coord arcsec 2000 |
21 56 24.58 +37 23 56.6 |
|
| Date first |
1931 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
107 |
|
Pa last |
110.4 |
|
P.A. Now (θ) |
110.4° |
|
| Sep first |
7.3 |
|
Sep last |
8.41 |
|
Sep. Now (ρ) |
8.41" |
|
| Mag pri |
11.40 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=0.763
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2731-00575-1 |
|
Gaia DR2 |
1949921719389926272 |
|
