20311+5022 ES 1101
20h 30m 55.55s +50° 21' 44.1" P.A. 240.00 sep 2.2 mag 11.16,11.92
| Coord 2000 |
20311+5022 |
|
Discov num |
ES 1101 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 55.55 +50 21 44.1 |
|
| Date first |
1911 |
|
Date last |
2005 |
|
Obs |
4 |
|
| Pa first |
241 |
|
Pa last |
240.4 |
|
P.A. Now (θ) |
240.4° |
|
| Sep first |
1.7 |
|
Sep last |
2.16 |
|
Sep. Now (ρ) |
2.16" |
|
| Mag pri |
11.16 |
|
Mag sec |
11.92 |
|
delta mag (ΔM) |
0.76 |
|
Spectral class |
|
|
| Pri motion ra |
+012 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3581-00430-1 |
|
Gaia DR2 |
2180242570463268736 |
|
