20589+3015 ES 373
20h 58m 56.77s +30° 15' 03.1" P.A. 137.00 sep 2.8 mag 10.90,11.50
| Coord 2000 |
20589+3015 |
|
Discov num |
ES 373 |
|
Comp |
|
|
Coord arcsec 2000 |
20 58 56.77 +30 15 03.1 |
|
| Date first |
1906 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
147 |
|
Pa last |
136.7 |
|
P.A. Now (θ) |
136.7° |
|
| Sep first |
2.5 |
|
Sep last |
2.767 |
|
Sep. Now (ρ) |
2.767" |
|
| Mag pri |
10.90 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1858504474379711488 |
|
