12421+5227 LDS3055

 
 
12H 42M 04.16S +52 27' 47.3" P.A. 8 SEP 13.8 MAG 17.60,18.50 SP M4+M4
 
 
Coord 2000
12421+5227
Discov num
LDS3055
Comp
Coord arcsec 2000
12 42 04.16 +52 27 47.3
Date first
1960
Date last
2010
Obs
4
Pa first
7
Pa last
8
P.A. Now (θ)
Sep first
14.0
Sep last
13.8
Sep. Now (ρ)
13.8"
Mag pri
17.60
Mag sec
18.50
delta mag (ΔM)
0.9
Spectral class
M4+M4 (red/red)
Pri motion ra
-145
Sec motion ra
-146
Pri motion dec
-032
Sec motion dec
-034
Notes
V (Proper motion indicates physical)
rPM=0.015 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
last precise pa
8.3
last precise sep
13.83