21380+5037 COU 2443 (HD 235569)
21h 38m 02.90s +50° 37' 03.0" P.A. 234.00 sep 1.0 mag 9.78,10.12 Sp B5 dist. 2500 pc (8155 l.y.)
| Coord 2000 |
21380+5037 |
|
Discov num |
COU2443 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 02.90 +50 37 03.0 |
|
| Date first |
1986 |
|
Date last |
2010 |
|
Obs |
8 |
|
| Pa first |
54 |
|
Pa last |
234.4 |
|
P.A. Now (θ) |
234.4° |
|
| Sep first |
0.9 |
|
Sep last |
1.022 |
|
Sep. Now (ρ) |
1.022" |
|
| Mag pri |
9.78 |
|
Mag sec |
10.12 |
|
delta mag (ΔM) |
0.34 |
|
Spectral class |
B5 (blue-white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 235569 |
|
Constellation |
Cygnus |
|
SAO |
33609 |
|
HIP |
106819 |
|
| Tycho2 |
3599-00521-1 |
|
Gaia DR2 |
2171441048605145856 |
|
HD |
235569 |
|
BD |
BD+49 3574 |
|
| Distance |
2500 |
|
Distance ly |
8155 |
|
