21321+4828 COU 2442
21h 31m 49.58s +48° 28' 54.6" P.A. 300.00 sep 0.2 mag 8.98,10.31 Sp A1.5(III)
| Coord 2000 |
21321+4828 |
|
Discov num |
COU2442 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 49.58 +48 28 54.6 |
|
| Date first |
1986 |
|
Date last |
2014 |
|
Obs |
3 |
|
| Pa first |
265 |
|
Pa last |
299.8 |
|
P.A. Now (θ) |
299.8° |
|
| Sep first |
0.6 |
|
Sep last |
0.18 |
|
Sep. Now (ρ) |
0.18" |
|
| Mag pri |
8.98 |
|
Mag sec |
10.31 |
|
delta mag (ΔM) |
1.33 |
|
Spectral class |
A1.5(III) (white) |
|
| Pri motion ra |
-010 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
-019 |
|
Sec motion dec |
-019 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-02132-1 |
|
Gaia DR2 |
1978648487910597504 |
|
