12210+4531 HDS 1740 Aa,Ab
12h 21m 02.43s +45° 30' 52.9" P.A. 109.00 sep 0.5 mag 7.48,11.45 Sp G8III dist. 173.91 pc (567.29 l.y.)
| Coord 2000 |
12210+4531 |
|
Discov num |
HDS1740 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
12 21 02.43 +45 30 52.9 |
|
| Date first |
1991 |
|
Date last |
2012 |
|
Obs |
4 |
|
| Pa first |
114 |
|
Pa last |
108.7 |
|
P.A. Now (θ) |
108.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.451 |
|
Sep. Now (ρ) |
0.451" |
|
| Mag pri |
7.48 |
|
Mag sec |
11.45 |
|
delta mag (ΔM) |
3.97 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
-087 |
|
Sec motion ra |
|
|
| Pri motion dec |
-024 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
12210+4531 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
44135 |
12 21 02 +45 30 53 |
HDS 1740 Aa,Ab |
2012 |
4 |
109 |
0.5 |
7.48 |
11.45 |
3.97 |
|
<=== |
| Show |
HD 107467 |
44135 |
12 21 02 +45 30 53 |
OPI 18 AB |
1926 |
1 |
257 |
3.9 |
7.45 |
12.30 |
4.85 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Canes Venatici |
|
SAO |
44135 |
|
HIP |
60229 |
|
Tycho2 |
3455-02073-1 |
|
| Gaia DR2 |
1544807514833431296 |
|
HD |
107467 |
|
BD |
BD+46 1778 |
|
Distance |
173.91 |
|
| Distance ly |
567.29 |
|
