20421+5436 ES 994
20h 42m 10.47s +54° 35' 48.8" P.A. 11.00 sep 4.7 mag 10.36,12.50 Sp F8
| Coord 2000 |
20421+5436 |
|
Discov num |
ES 994 |
|
Comp |
|
|
Coord arcsec 2000 |
20 42 10.47 +54 35 48.8 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
12 |
|
Pa last |
11.3 |
|
P.A. Now (θ) |
11.3° |
|
| Sep first |
5.8 |
|
Sep last |
4.71 |
|
Sep. Now (ρ) |
4.71" |
|
| Mag pri |
10.36 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
2.14 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
|
|
| Pri motion dec |
+007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3955-02396-1 |
|
Gaia DR2 |
2183375250892068224 |
|
