21208+3227 STT 437 AC
21h 20m 50.12s +32° 27' 10.2" P.A. 144.00 sep 79.6 mag 7.15,11.71 Sp G4V dist. 65.62 pc (214.05 l.y.)
| Coord 2000 |
21208+3227 |
|
Discov num |
STT 437 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 20 50.12 +32 27 10.2 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
141 |
|
Pa last |
143.9 |
|
P.A. Now (θ) |
143.9° |
|
| Sep first |
87.0 |
|
Sep last |
79.629 |
|
Sep. Now (ρ) |
79.629" |
|
| Mag pri |
7.15 |
|
Mag sec |
11.71 |
|
delta mag (ΔM) |
4.56 |
|
Spectral class |
G4V (yellow) |
|
| Pri motion ra |
+054 |
|
Sec motion ra |
-013 |
|
| Pri motion dec |
-036 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=1.113
This double is not physical.
21208+3227 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 203358 |
71230 |
21 20 50 +32 27 10 |
STT 437 AB |
2020 |
293 |
19 |
2.5 |
7.15 |
7.42 |
0.27 |
Y |
|
| Show |
|
71230 |
21 20 50 +32 27 10 |
STT 437 AC |
2015 |
16 |
144 |
79.6 |
7.15 |
11.71 |
4.56 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
71230 |
|
HIP |
105390 |
|
Tycho2 |
2707-02440-1 |
|
| Gaia DR2 |
1854509811183471104 |
|
HD |
203358 |
|
HR |
8166 |
|
ADS |
14889 |
|
| BD |
BD+31 4425 |
|
Distance |
65.62 |
|
Distance ly |
214.05 |
|
