12069+2030 HO  255

 
 
12h 06m 55.67s +20 29' 34.6" P.A. 134 sep 2.7 mag 8.99,12.26 Sp G5 dist. 198.02 pc (645.94 l.y.)
 
 
Coord 2000
12069+2030
Discov num
HO  255
Comp
Coord arcsec 2000
12 06 55.67 +20 29 34.6
Date first
1887
Date last
2016
Obs
13
Pa first
133
Pa last
134
P.A. Now (θ)
134°
Sep first
2.5
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
8.99
Mag sec
12.26
delta mag (ΔM)
3.27
Spectral class
G5 (yellow)
Pri motion ra
-032
Sec motion ra
-030
Pri motion dec
+006
Sec motion dec
+005
Notes
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
134
Precise sep
2.7
Constellation
Coma Berenices
SAO
82140
HIP
59078
Tycho2
1444-00516-1
HD
105217
BD
BD+21 2392
Distance
198.02
Distance ly
645.94
last precise pa
134
last precise sep
2.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12069+2030 HO 255 1991 12 132 2.7 8.99 12.26 G5 120655.67+202934.6
12069+2030 HO 255 2016 13 134 2.7 8.99 12.26 G5 120655.67+202934.6

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