12428+2820 LAS  31

 
 
12h 42m 48.76s +28 20' 10.3" P.A. 266 sep 7 mag 13.20,15.80
 
 
Coord 2000
12428+2820
Discov num
LAS  31
Comp
Coord arcsec 2000
12 42 48.76 +28 20 10.3
Date first
1999
Date last
2015
Obs
7
Pa first
267
Pa last
266
P.A. Now (θ)
266°
Sep first
6.6
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
13.20
Mag sec
15.80
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
-019
Sec motion ra
-020
Pri motion dec
-052
Sec motion dec
-049
Notes
V (Proper motion indicates physical)
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
266.4
Precise sep
6.984
Cdsa2 id
LAS 31
Constellation
Coma Berenices
Ra deg
12.713544444444445
De deg
28.336194444444445
last precise pa
266.4
last precise sep
6.984
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12428+2820 LAS 31 2009 4 266 6.7 13.20 15.80 V 124248.76+282010.3
12428+2820 LAS 31 2010 6 268 6.2 13.20 15.80 V 124248.76+282010.3
12428+2820 LAS 31 2015 7 266 7.0 13.20 15.80 V 124248.76+282010.3

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