21590+4807 COU 2446
21h 58m 58.47s +48° 06' 54.6" P.A. 55.00 sep 0.4 mag 10.80,11.40 Sp A2
| Coord 2000 |
21590+4807 |
|
Discov num |
COU2446 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 58.47 +48 06 54.6 |
|
| Date first |
1986 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
59 |
|
Pa last |
54.5 |
|
P.A. Now (θ) |
54.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.385 |
|
Sep. Now (ρ) |
0.385" |
|
| Mag pri |
10.80 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3609-01131-1 |
|
Gaia DR2 |
1976185719297338880 |
|
