21399+3941 A 1446
21h 39m 54.31s +39° 40' 44.1" P.A. 40.00 sep 1.3 mag 10.73,11.33
| Coord 2000 |
21399+3941 |
|
Discov num |
A 1446 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 54.31 +39 40 44.1 |
|
| Date first |
1906 |
|
Date last |
2017 |
|
Obs |
15 |
|
| Pa first |
43 |
|
Pa last |
40.3 |
|
P.A. Now (θ) |
40.3° |
|
| Sep first |
1.1 |
|
Sep last |
1.3 |
|
Sep. Now (ρ) |
1.3" |
|
| Mag pri |
10.73 |
|
Mag sec |
11.33 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3187-00336-1 |
|
Gaia DR2 |
1953967372425155584 |
|
