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
 
 
Precise pa
8.3
Precise sep
13.83
Cdsa2 id
LDS 3055
Constellation
Ursa Major
Ra deg
12.701155555555555
De deg
52.46313888888889
last precise pa
8.3
last precise sep
13.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12421+5227 LDS3055 2000 2 8 13.8 17.60 18.50 D 124204.16+522747.3
12421+5227 LDS3055 2001 3 8 13.8 17.60 18.50 M4+M4 V 124204.16+522747.3
12421+5227 LDS3055 2010 4 7 13.0 17.60 18.50 M4+M4 V 124204.16+522747.3

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