20556+4453 COU 2648
20h 55m 33.87s +44° 52' 50.5" P.A. 21.00 sep 1.3 mag 10.90,12.20
| Coord 2000 |
20556+4453 |
|
Discov num |
COU2648 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 33.87 +44 52 50.5 |
|
| Date first |
1991 |
|
Date last |
2009 |
|
Obs |
2 |
|
| Pa first |
21 |
|
Pa last |
20.5 |
|
P.A. Now (θ) |
20.5° |
|
| Sep first |
1.4 |
|
Sep last |
1.302 |
|
Sep. Now (ρ) |
1.302" |
|
| Mag pri |
10.90 |
|
Mag sec |
12.20 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3179-00313-1 |
|
Gaia DR2 |
2163072253286464896 |
|
