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
Constellation
Coma Berenices
SAO
82449
Gaia DR2
03805674368
 
 
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.