12210+4531 OPI  18AB

 
 
12h 21m 02.43s +45 30' 52.9" P.A. 257 sep 3.9 mag 7.45,12.30 Sp G8III dist. 173.91 pc (567.29 l.y.)
 
 
Coord 2000
12210+4531
Discov num
OPI  18
Comp
AB
Coord arcsec 2000
12 21 02.43 +45 30 52.9
Date first
1926
Date last
1926
Obs
1
Pa first
257
Pa last
257
P.A. Now (θ)
257°
Sep first
3.9
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
7.45
Mag sec
12.30
delta mag (ΔM)
4.85
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 44135 12210+4531 HDS1740 Aa,Ab 1991 2012 4 109 0.5 7.48 11.45 3.97
Show 44135 12210+4531 OPI 18 AB 1926 1926 1 257 3.9 7.45 12.30 4.85 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.7
Precise sep
3.88
Cdsa2 id
OPI 18 AB
Constellation
Canes Venatici
SAO
44135
HIP
60229
Tycho2
3455-02073-1
HD
107467
BD
BD+46 1778
Ra deg
12.350674999999999
De deg
45.514694444444444
Distance
173.91
Distance ly
567.29
last precise pa
256.7
last precise sep
3.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12210+4531 OPI 18 AB 1926 1 257 3.9 7.45 12.30 G8III 122102.43+453052.9

If you need more information about this double, apply for a data request form to the WDS.