21303+4740 COU 2440
21h 30m 15.85s +47° 39' 12.7" P.A. 179.00 sep 0.5 mag 11.04,10.91 Sp F0V:
| Coord 2000 |
21303+4740 |
|
Discov num |
COU2440 |
|
Comp |
|
|
Coord arcsec 2000 |
21 30 15.85 +47 39 12.7 |
|
| Date first |
1987 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
175 |
|
Pa last |
179.2 |
|
P.A. Now (θ) |
179.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.498 |
|
Sep. Now (ρ) |
0.498" |
|
| Mag pri |
11.04 |
|
Mag sec |
10.91 |
|
delta mag (ΔM) |
0.13 |
|
Spectral class |
F0V: (yellow-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-02466-1 |
|
Gaia DR2 |
1978310388075446656 |
|
