21442+2631 BUP 230 AC (HD 206828)
21h 44m 09.31s +26° 31' 09.4" P.A. 260.00 sep 571.7 mag 8.47,9.84 Sp G2V dist. 62.38 pc (203.48 l.y.)
| Coord 2000 |
21442+2631 |
|
Discov num |
BUP 230 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 44 09.31 +26 31 09.4 |
|
| Date first |
1875 |
|
Date last |
2008 |
|
Obs |
8 |
|
| Pa first |
261 |
|
Pa last |
260.4 |
|
P.A. Now (θ) |
260.4° |
|
| Sep first |
540.3 |
|
Sep last |
571.71 |
|
Sep. Now (ρ) |
571.71" |
|
| Mag pri |
8.47 |
|
Mag sec |
9.84 |
|
delta mag (ΔM) |
1.37 |
|
Spectral class |
G2V (yellow) |
|
| Pri motion ra |
+205 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+054 |
|
Sec motion dec |
-016 |
|
| Notes |
W
|
|
rPM=1.031
This double is not physical.
21442+2631 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
89938 |
21 44 09 +26 31 09 |
BUP 230 AB |
2015 |
6 |
291 |
45.7 |
8.47 |
13.53 |
5.06 |
|
|
| Show |
HD 206828 |
89938 |
21 44 09 +26 31 09 |
BUP 230 AC |
2008 |
8 |
260 |
571.7 |
8.47 |
9.84 |
1.37 |
|
<=== |
| Show |
|
89938 |
21 44 09 +26 31 09 |
BUP 230 AD |
2014 |
16 |
289 |
439.6 |
8.47 |
10.21 |
1.74 |
|
|
| Show |
|
89938 |
21 44 09 +26 31 09 |
BKO 632 AE |
2015 |
4 |
115 |
16.8 |
8.47 |
13.59 |
5.12 |
|
|
| Show |
|
|
21 43 28 +26 29 35 |
BUP 230 CD |
2015 |
17 |
32 |
277.1 |
9.84 |
10.21 |
0.37 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 206828 |
|
Constellation |
Pegasus |
|
SAO |
89938 |
|
HIP |
107313 |
|
| Tycho2 |
2197-01717-1 |
|
Gaia DR2 |
1799690738405087360 |
|
HD |
206828 |
|
BD |
BD+25 4607 |
|
| Distance |
62.38 |
|
Distance ly |
203.48 |
|
