21169+4456 A 885
21h 16m 53.56s +44° 55' 37.1" P.A. 153.00 sep 3.9 mag 9.30,14.00 Sp G5
| Coord 2000 |
21169+4456 |
|
Discov num |
A 885 |
|
Comp |
|
|
Coord arcsec 2000 |
21 16 53.56 +44 55 37.1 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
165 |
|
Pa last |
153.1 |
|
P.A. Now (θ) |
153.1° |
|
| Sep first |
4.1 |
|
Sep last |
3.913 |
|
Sep. Now (ρ) |
3.913" |
|
| Mag pri |
9.30 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
4.7 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-014 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3181-02063-1 |
|
Gaia DR2 |
1971780624729510784 |
|
