12309+2555 LAS   7

 
 
12H 30M 54.91S +25 55' 10.4" P.A. 231 SEP 10.3 MAG 16.57,16.86 SP M3V+M3V
 
 
Coord 2000
12309+2555
Discov num
LAS   7
Comp
Coord arcsec 2000
12 30 54.91 +25 55 10.4
Date first
1955
Date last
2010
Obs
8
Pa first
231
Pa last
231
P.A. Now (θ)
231°
Sep first
10.2
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
16.57
Mag sec
16.86
delta mag (ΔM)
0.29
Spectral class
M3V+M3V (red/red)
Pri motion ra
-047
Sec motion ra
-046
Pri motion dec
-017
Sec motion dec
-021
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Coma Berenices
last precise pa
231.4
last precise sep
10.25