21435+2721 OSO 155 DG
21h 43m 57.12s +27° 23' 23.9" P.A. 304.00 sep 6.1 mag 10.19,17.10 Sp F6
| Coord 2000 |
21435+2721 |
|
Discov num |
OSO 155 |
|
Comp |
DG |
|
Coord arcsec 2000 |
21 43 57.12 +27 23 23.9 |
|
| Date first |
1994 |
|
Date last |
2016 |
|
Obs |
7 |
|
| Pa first |
308 |
|
Pa last |
304.4 |
|
P.A. Now (θ) |
304.4° |
|
| Sep first |
5.1 |
|
Sep last |
6.08 |
|
Sep. Now (ρ) |
6.08" |
|
| Mag pri |
10.19 |
|
Mag sec |
17.10 |
|
delta mag (ΔM) |
6.91 |
|
Spectral class |
F6 (yellow-white) |
|
| Pri motion ra |
-241 |
|
Sec motion ra |
-240 |
|
| Pri motion dec |
-161 |
|
Sec motion dec |
-159 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.008 (< 0.3, Physical double)
This double is physical.
21435+2721 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 43 32 +27 20 37 |
A 299 AB |
2019 |
21 |
67 |
1.1 |
9.95 |
10.47 |
0.52 |
|
|
| Show |
|
|
21 43 32 +27 20 37 |
A 299 AD |
2015 |
14 |
64 |
374.5 |
9.95 |
10.19 |
0.24 |
|
|
| Show |
|
|
21 43 32 +27 20 37 |
A 299 BC |
2019 |
5 |
325 |
0.1 |
10.47 |
12.00 |
1.53 |
|
|
| Show |
|
|
21 43 57 +27 23 24 |
A 299 DE |
2001 |
5 |
95 |
999.9 |
10.19 |
9.20 |
0.99 |
|
|
| Show |
|
|
21 43 57 +27 23 24 |
A 299 DF |
2015 |
7 |
26 |
145.8 |
10.19 |
11.08 |
0.89 |
|
|
| Show |
|
|
21 43 57 +27 23 24 |
OSO 155 DG |
2016 |
7 |
304 |
6.1 |
10.19 |
17.10 |
6.91 |
|
<=== |
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
2197-01464-1 |
|
Gaia DR2 |
1800518563283501440 |
|
