21019+2340 COU 128 (HD 200290)
21h 01m 54.85s +23° 39' 57.2" P.A. 145.00 sep 0.1 mag 8.57,8.85 Sp F8 dist. 411.52 pc (1342.38 l.y.)
| Coord 2000 |
21019+2340 |
|
Discov num |
COU 128 |
|
Comp |
|
|
Coord arcsec 2000 |
21 01 54.85 +23 39 57.2 |
|
| Date first |
1966 |
|
Date last |
2014 |
|
Obs |
30 |
|
| Pa first |
129 |
|
Pa last |
144.8 |
|
P.A. Now (θ) |
144.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.127 |
|
Sep. Now (ρ) |
0.127" |
|
| Mag pri |
8.57 |
|
Mag sec |
8.85 |
|
delta mag (ΔM) |
0.28 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200290 |
|
Constellation |
Vulpecula |
|
SAO |
89382 |
|
HIP |
103791 |
|
| Tycho2 |
2172-00733-1 |
|
Gaia DR2 |
1839426809456760064 |
|
HD |
200290 |
|
BD |
BD+23 4216 |
|
| Distance |
411.52 |
|
Distance ly |
1342.38 |
|
