21521+0739 OSO 158 AC
21h 52m 08.91s +07° 38' 40.1" P.A. 30.00 sep 13.2 mag 10.84,17.40 Sp G5
| Coord 2000 |
21521+0739 |
|
Discov num |
OSO 158 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 52 08.91 +07 38 40.1 |
|
| Date first |
1994 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
41 |
|
Pa last |
30 |
|
P.A. Now (θ) |
30° |
|
| Sep first |
16.6 |
|
Sep last |
13.185 |
|
Sep. Now (ρ) |
13.185" |
|
| Mag pri |
10.84 |
|
Mag sec |
17.40 |
|
delta mag (ΔM) |
6.56 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
+196 |
|
Sec motion ra |
|
|
| Pri motion dec |
+042 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
21521+0739 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 52 09 +07 38 40 |
OSO 158 AB |
2015 |
6 |
126 |
10.4 |
10.84 |
14.60 |
3.76 |
|
|
| Show |
|
|
21 52 09 +07 38 40 |
OSO 158 AC |
2015 |
8 |
30 |
13.2 |
10.84 |
17.40 |
6.56 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
1122-00972-1 |
|
Gaia DR2 |
2700932107266234496 |
|
