20169+3307 OSO 122 AC
20h 16m 53.68s +33° 06' 31.1" P.A. 271.00 sep 20.9 mag 9.34,17.21 Sp G0 dist. 77.52 pc (252.87 l.y.)
| Coord 2000 |
20169+3307 |
|
Discov num |
OSO 122 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 16 53.68 +33 06 31.1 |
|
| Date first |
1994 |
|
Date last |
2002 |
|
Obs |
3 |
|
| Pa first |
266 |
|
Pa last |
270.7 |
|
P.A. Now (θ) |
270.7° |
|
| Sep first |
21.8 |
|
Sep last |
20.881 |
|
Sep. Now (ρ) |
20.881" |
|
| Mag pri |
9.34 |
|
Mag sec |
17.21 |
|
delta mag (ΔM) |
7.87 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-129 |
|
Sec motion ra |
|
|
| Pri motion dec |
-259 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
20169+3307 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
69746 |
20 16 54 +33 06 31 |
OSO 122 AB |
1994 |
1 |
11 |
16.2 |
9.34 |
17.30 |
7.96 |
|
|
| Show |
|
69746 |
20 16 54 +33 06 31 |
OSO 122 AC |
2002 |
3 |
271 |
20.9 |
9.34 |
17.21 |
7.87 |
|
<=== |
| Show |
|
69746 |
20 16 54 +33 06 31 |
OSO 122 AD |
1999 |
2 |
117 |
22.5 |
9.34 |
17.97 |
8.63 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
69746 |
|
HIP |
99963 |
|
Tycho2 |
2676-00203-1 |
|
| Gaia DR2 |
2054613574467015424 |
|
HD |
228710 |
|
BD |
BD+32 3767 |
|
Distance |
77.52 |
|
| Distance ly |
252.87 |
|
