20559+4345 COU 2543
20h 55m 54.90s +43° 44' 26.9" P.A. 222.00 sep 1.6 mag 10.85,11.16 Sp B9
| Coord 2000 |
20559+4345 |
|
Discov num |
COU2543 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 54.90 +43 44 26.9 |
|
| Date first |
1988 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
225 |
|
Pa last |
222.3 |
|
P.A. Now (θ) |
222.3° |
|
| Sep first |
1.5 |
|
Sep last |
1.567 |
|
Sep. Now (ρ) |
1.567" |
|
| Mag pri |
10.85 |
|
Mag sec |
11.16 |
|
delta mag (ΔM) |
0.31 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3179-01200-1 |
|
Gaia DR2 |
2162137118641983488 |
|
