12401+2049 OSO  47AC

 
 
12h 40m 07.03s +20 48' 32.8" P.A. 109 sep 112.6 mag 9.00,20.90 Sp K3+M8 dist. 47.3 pc (154.29 l.y.)
 
 
Coord 2000
12401+2049
Discov num
OSO  47
Comp
AC
Coord arcsec 2000
12 40 07.03 +20 48 32.8
Date first
1955
Date last
2010
Obs
6
Pa first
110
Pa last
109
P.A. Now (θ)
109°
Sep first
111.8
Sep last
112.6
Sep. Now (ρ)
112.6"
Mag pri
9.00
Mag sec
20.90
delta mag (ΔM)
11.9
Spectral class
K3+M8 (yellow-orange/red)
Pri motion ra
+202
Sec motion ra
Pri motion dec
-369
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
12401+2049 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 82428 12401+2049 OSO 47 AB 1994 2001 4 61 13.4 9.00 17.40 8.40
Show 82428 12401+2049 OSO 47 AC 1955 2010 6 109 112.6 9.00 20.90 11.90 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
108.7
Precise sep
112.575
Cdsa2 id
OSO 47 AC
Constellation
Coma Berenices
SAO
82428
HIP
61816
Tycho2
1448-01391-1
BD
BD+21 2442
Ra deg
12.668619444444444
De deg
20.80911111111111
Distance
47.3
Distance ly
154.29
last precise pa
108.7
last precise sep
112.575
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12401+2049 OSO 47 AC 2000 2 109 112.7 9.04   N D 124007.03+204832.8
12401+2049 OSO 47 AC 2010 6 109 112.5 9.00 20.90 K3+M8 NV 124007.03+204832.8

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