21035+2906 BU 445 AC
21h 03m 29.53s +29° 05' 33.0" P.A. 19.00 sep 50.7 mag 7.00,13.59 Sp G8III dist. 197.24 pc (643.4 l.y.)
| Coord 2000 |
21035+2906 |
|
Discov num |
BU 445 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 03 29.53 +29 05 33.0 |
|
| Date first |
1914 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
19 |
|
Pa last |
19.4 |
|
P.A. Now (θ) |
19.4° |
|
| Sep first |
48.4 |
|
Sep last |
50.693 |
|
Sep. Now (ρ) |
50.693" |
|
| Mag pri |
7.00 |
|
Mag sec |
13.59 |
|
delta mag (ΔM) |
6.59 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
-006 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
-019 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=1.255
This double is not physical.
21035+2906 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 200578 |
89415 |
21 03 30 +29 05 33 |
BU 445 AB |
2015 |
14 |
109 |
4.7 |
7.00 |
11.14 |
4.14 |
|
|
| Show |
|
89415 |
21 03 30 +29 05 33 |
BU 445 AC |
2015 |
4 |
19 |
50.7 |
7.00 |
13.59 |
6.59 |
|
<=== |
| Show |
|
89415 |
21 03 30 +29 05 33 |
BU 445 AD |
2015 |
4 |
317 |
87.3 |
7.00 |
13.02 |
6.02 |
|
|
| Show |
|
89415 |
21 03 30 +29 05 33 |
BU 445 AE |
2015 |
7 |
218 |
103.5 |
7.00 |
12.25 |
5.25 |
|
|
| Show |
|
89415 |
21 03 30 +29 05 33 |
ARN 21 AF |
2015 |
12 |
233 |
219.9 |
7.00 |
9.99 |
2.99 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
89415 |
|
HIP |
103930 |
|
Tycho2 |
2184-02018-1 |
|
| Gaia DR2 |
1846176337685615616 |
|
HD |
200578 |
|
BD |
BD+28 3974 |
|
Distance |
197.24 |
|
| Distance ly |
643.4 |
|
