12207+2255 STF1634

 
 
12h 20m 42.06s +22 54' 51.8" P.A. 147 sep 5.4 mag 8.77,9.90 Sp G5 dist. 285.71 pc (931.99 l.y.)
 
 
Coord 2000
12207+2255
Discov num
STF1634
Comp
Coord arcsec 2000
12 20 42.06 +22 54 51.8
Date first
1830
Date last
2017
Obs
32
Pa first
149
Pa last
147
P.A. Now (θ)
147°
Sep first
5.2
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
8.77
Mag sec
9.90
delta mag (ΔM)
1.13
Spectral class
G5 (yellow)
Pri motion ra
-072
Sec motion ra
-072
Pri motion dec
-029
Sec motion dec
-028
Notes
rPM=0.013 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.3
Precise sep
5.38
Cdsa2 id
STF 1634
Constellation
Coma Berenices
SAO
82255
HIP
60200
Tycho2
1989-01741-1
HD
107400
BD
BD+23 2451
Ra deg
12.345016666666668
De deg
22.914388888888887
Distance
285.71
Distance ly
931.99
last precise pa
147.3
last precise sep
5.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12207+2255 STF1634 2008 25 148 5.4 8.77 9.90 G5 D 122042.06+225451.8
12207+2255 STF1634 2014 29 147 5.1 8.77 9.90 G5 122042.06+225451.8
12207+2255 STF1634 2017 32 147 5.4 8.77 9.90 G5 122042.06+225451.8

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