21097+4820 COU 2545
21h 09m 43.58s +48° 20' 39.3" P.A. 74.00 sep 0.7 mag 10.68,10.65
| Coord 2000 |
21097+4820 |
|
Discov num |
COU2545 |
|
Comp |
|
|
Coord arcsec 2000 |
21 09 43.58 +48 20 39.3 |
|
| Date first |
1989 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
77 |
|
Pa last |
74.2 |
|
P.A. Now (θ) |
74.2° |
|
| Sep first |
0.5 |
|
Sep last |
0.69 |
|
Sep. Now (ρ) |
0.69" |
|
| Mag pri |
10.68 |
|
Mag sec |
10.65 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
|
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3592-05829-1 |
|
Gaia DR2 |
2165355453596381056 |
|
