21479+3306 OSO 157 AF
21h 47m 55.62s +33° 06' 27.2" P.A. 123.00 sep 16.2 mag 12.08,19.10
| Coord 2000 |
21479+3306 |
|
Discov num |
OSO 157 |
|
Comp |
AF |
|
Coord arcsec 2000 |
21 47 55.62 +33 06 27.2 |
|
| Date first |
1995 |
|
Date last |
2013 |
|
Obs |
4 |
|
| Pa first |
117 |
|
Pa last |
122.9 |
|
P.A. Now (θ) |
122.9° |
|
| Sep first |
19.6 |
|
Sep last |
16.163 |
|
Sep. Now (ρ) |
16.163" |
|
| Mag pri |
12.08 |
|
Mag sec |
19.10 |
|
delta mag (ΔM) |
7.02 |
|
Spectral class |
|
|
| Pri motion ra |
+251 |
|
Sec motion ra |
|
|
| Pri motion dec |
-113 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21479+3306 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 47 56 +33 06 27 |
OSO 157 AB |
2016 |
13 |
352 |
5.3 |
12.08 |
17.82 |
5.74 |
|
|
| Show |
|
|
21 47 56 +33 06 27 |
OSO 157 AC |
2014 |
17 |
72 |
11.6 |
12.08 |
17.60 |
5.52 |
|
|
| Show |
|
|
21 47 56 +33 06 27 |
OSO 157 AD |
2014 |
15 |
29 |
13.9 |
12.08 |
18.28 |
6.20 |
|
|
| Show |
|
|
21 47 56 +33 06 27 |
OSO 157 AE |
2014 |
16 |
322 |
21.6 |
12.08 |
18.47 |
6.39 |
|
|
| Show |
|
|
21 47 56 +33 06 27 |
OSO 157 AF |
2013 |
4 |
123 |
16.2 |
12.08 |
19.10 |
7.02 |
|
<=== |
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2722-01470-1 |
|
Gaia DR2 |
1946513435207273088 |
|
