21443+4234 OSO 156 AB
21h 44m 20.28s +42° 34' 06.9" P.A. 331.00 sep 7.6 mag 13.82,18.10
| Coord 2000 |
21443+4234 |
|
Discov num |
OSO 156 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 44 20.28 +42 34 06.9 |
|
| Date first |
1994 |
|
Date last |
1998 |
|
Obs |
3 |
|
| Pa first |
328 |
|
Pa last |
331.2 |
|
P.A. Now (θ) |
331.2° |
|
| Sep first |
6.8 |
|
Sep last |
7.62 |
|
Sep. Now (ρ) |
7.62" |
|
| Mag pri |
13.82 |
|
Mag sec |
18.10 |
|
delta mag (ΔM) |
4.28 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
-272 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21443+4234 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 44 20 +42 34 07 |
OSO 156 AB |
1998 |
3 |
331 |
7.6 |
13.82 |
18.10 |
4.28 |
|
<=== |
| Show |
|
|
21 44 20 +42 34 07 |
OSO 156 AC |
1998 |
2 |
57 |
16.1 |
13.82 |
18.30 |
4.48 |
|
|
| Show |
|
|
21 44 20 +42 34 07 |
OSO 156 AD |
1994 |
1 |
18 |
22.7 |
13.82 |
18.60 |
4.78 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1972655496691603456 |
|
