21477+5419 ES 1013
21h 47m 43.24s +54° 20' 22.8" P.A. 15.00 sep 2.2 mag 10.27,12.70
| Coord 2000 |
21477+5419 |
|
Discov num |
ES 1013 |
|
Comp |
|
|
Coord arcsec 2000 |
21 47 43.24 +54 20 22.8 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
3 |
|
Pa last |
14.9 |
|
P.A. Now (θ) |
14.9° |
|
| Sep first |
3.6 |
|
Sep last |
2.162 |
|
Sep. Now (ρ) |
2.162" |
|
| Mag pri |
10.27 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
2.43 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3968-01981-1 |
|
Gaia DR2 |
2173915533885125632 |
|
