21321+3949 COU 1974
21h 32m 03.91s +39° 48' 52.4" P.A. 136.00 sep 0.2 mag 9.60,11.80 Sp G5
| Coord 2000 |
21321+3949 |
|
Discov num |
COU1974 |
|
Comp |
|
|
Coord arcsec 2000 |
21 32 03.91 +39 48 52.4 |
|
| Date first |
1980 |
|
Date last |
2014 |
|
Obs |
3 |
|
| Pa first |
93 |
|
Pa last |
136.2 |
|
P.A. Now (θ) |
136.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.176 |
|
Sep. Now (ρ) |
0.176" |
|
| Mag pri |
9.60 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-019 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3187-01227-1 |
|
Gaia DR2 |
1966114158418768256 |
|
