21378+3143 ES 2359
21h 37m 50.50s +31° 44' 28.5" P.A. 83.00 sep 2.7 mag 10.90,11.00
| Coord 2000 |
21378+3143 |
|
Discov num |
ES 2359 |
|
Comp |
|
|
Coord arcsec 2000 |
21 37 50.50 +31 44 28.5 |
|
| Date first |
1928 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
79 |
|
Pa last |
83.2 |
|
P.A. Now (θ) |
83.2° |
|
| Sep first |
2.7 |
|
Sep last |
2.688 |
|
Sep. Now (ρ) |
2.688" |
|
| Mag pri |
10.90 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2717-01970-1 |
|
Gaia DR2 |
1850674542829846528 |
|
