20167+2932 OSO 121 AB
20h 16m 38.62s +29° 31' 50.3" P.A. 165.00 sep 13.2 mag 11.39,16.90 Sp K0
| Coord 2000 |
20167+2932 |
|
Discov num |
OSO 121 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 16 38.62 +29 31 50.3 |
|
| Date first |
1994 |
|
Date last |
1998 |
|
Obs |
4 |
|
| Pa first |
161 |
|
Pa last |
164.8 |
|
P.A. Now (θ) |
164.8° |
|
| Sep first |
12.9 |
|
Sep last |
13.19 |
|
Sep. Now (ρ) |
13.19" |
|
| Mag pri |
11.39 |
|
Mag sec |
16.90 |
|
delta mag (ΔM) |
5.51 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+248 |
|
Sec motion ra |
|
|
| Pri motion dec |
+135 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20167+2932 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 16 39 +29 31 50 |
OSO 121 AB |
1998 |
4 |
165 |
13.2 |
11.39 |
16.90 |
5.51 |
|
<=== |
| Show |
|
|
20 16 39 +29 31 50 |
OSO 121 AC |
1998 |
3 |
283 |
15.2 |
11.39 |
18.60 |
7.21 |
|
|
| Show |
|
|
20 16 39 +29 31 50 |
OSO 121 AD |
1998 |
2 |
190 |
18.9 |
11.39 |
19.30 |
7.91 |
|
|
| Show |
|
|
20 16 39 +29 31 50 |
OSO 121 AE |
1998 |
2 |
259 |
25.2 |
11.39 |
19.40 |
8.01 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2167-01103-1 |
|
Gaia DR2 |
1837393679329053952 |
|