21576+4938 HU 772
21h 57m 36.58s +49° 37' 49.2" P.A. 333.00 sep 0.3 mag 9.70,10.20 Sp F5
| Coord 2000 |
21576+4938 |
|
Discov num |
HU 772 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 36.58 +49 37 49.2 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
15 |
|
| Pa first |
319 |
|
Pa last |
333.2 |
|
P.A. Now (θ) |
333.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.346 |
|
Sep. Now (ρ) |
0.346" |
|
| Mag pri |
9.70 |
|
Mag sec |
10.20 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
+034 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3613-01575-1 |
|
