21129+2330 POU 5254 AD
21h 12m 50.48s +23° 29' 40.6" P.A. 218.00 sep 30.8 mag 12.60,13.40
| Coord 2000 |
21129+2330 |
|
Discov num |
POU5254 |
|
Comp |
AD |
|
Coord arcsec 2000 |
21 12 50.48 +23 29 40.6 |
|
| Date first |
1898 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
220 |
|
Pa last |
217.7 |
|
P.A. Now (θ) |
217.7° |
|
| Sep first |
30.5 |
|
Sep last |
30.782 |
|
Sep. Now (ρ) |
30.782" |
|
| Mag pri |
12.60 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
-056 |
|
Sec motion ra |
-042 |
|
| Pri motion dec |
+137 |
|
Sec motion dec |
-022 |
|
| Notes |
|
|
rPM=1.078
This double is not physical.
21129+2330 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 12 50 +23 29 41 |
POU 5252 AB |
2015 |
8 |
226 |
13.3 |
12.60 |
13.50 |
0.90 |
|
|
| Show |
|
|
21 12 50 +23 29 41 |
POU 5253 AC |
2015 |
8 |
207 |
17.0 |
12.60 |
14.40 |
1.80 |
|
|
| Show |
|
|
21 12 50 +23 29 41 |
POU 5254 AD |
2015 |
8 |
218 |
30.8 |
12.60 |
13.40 |
0.80 |
|
<=== |
| Show |
|
|
21 12 50 +23 29 41 |
BKO 886 AE |
2009 |
3 |
142 |
7.0 |
12.60 |
15.90 |
3.30 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1839961653144200960 |
|
