21232+4258 COU 2304 AB
21h 23m 12.06s +42° 57' 54.5" P.A. 154.00 sep 0.4 mag 11.00,11.60 Sp A2
| Coord 2000 |
21232+4258 |
|
Discov num |
COU2304 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 23 12.06 +42 57 54.5 |
|
| Date first |
1985 |
|
Date last |
2014 |
|
Obs |
4 |
|
| Pa first |
161 |
|
Pa last |
154.2 |
|
P.A. Now (θ) |
154.2° |
|
| Sep first |
1.8 |
|
Sep last |
0.409 |
|
Sep. Now (ρ) |
0.409" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21232+4258 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 23 12 +42 57 54 |
COU 2304 AB |
2014 |
4 |
154 |
0.4 |
11.00 |
11.60 |
0.60 |
|
<=== |
| Show |
|
|
21 23 12 +42 57 54 |
GII 32 AB,C |
2014 |
5 |
49 |
5.4 |
10.00 |
14.50 |
4.50 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3190-01139-1 |
|
Gaia DR2 |
1970444683749064448 |
|
