21089+2417 OSO 142 AB
21h 08m 51.92s +24° 17' 02.7" P.A. 46.00 sep 17.4 mag 13.32,17.70
| Coord 2000 |
21089+2417 |
|
Discov num |
OSO 142 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 08 51.92 +24 17 02.7 |
|
| Date first |
1994 |
|
Date last |
2014 |
|
Obs |
8 |
|
| Pa first |
48 |
|
Pa last |
45.9 |
|
P.A. Now (θ) |
45.9° |
|
| Sep first |
12.7 |
|
Sep last |
17.407 |
|
Sep. Now (ρ) |
17.407" |
|
| Mag pri |
13.32 |
|
Mag sec |
17.70 |
|
delta mag (ΔM) |
4.38 |
|
Spectral class |
|
|
| Pri motion ra |
-147 |
|
Sec motion ra |
|
|
| Pri motion dec |
-228 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21089+2417 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 08 52 +24 17 03 |
OSO 142 AB |
2014 |
8 |
46 |
17.4 |
13.32 |
17.70 |
4.38 |
|
<=== |
| Show |
|
|
21 08 52 +24 17 03 |
OSO 142 AC |
2014 |
7 |
308 |
16.7 |
13.32 |
18.00 |
4.68 |
|
|
| Show |
|
|
21 08 52 +24 17 03 |
OSO 142 AD |
2014 |
6 |
32 |
23.1 |
13.32 |
15.90 |
2.58 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1841001108246819328 |
|
