12121+2459 LAS   4

 
 
12h 12m 05.60s +24 59' 26.1" P.A. 221 sep 7.5 mag 19.18,19.36 Sp M3.5+M3.5
 
 
Coord 2000
12121+2459
Discov num
LAS   4
Comp
Coord arcsec 2000
12 12 05.60 +24 59 26.1
Date first
1998
Date last
2010
Obs
3
Pa first
223
Pa last
221
P.A. Now (θ)
221°
Sep first
7.6
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
19.18
Mag sec
19.36
delta mag (ΔM)
0.18
Spectral class
M3.5+M3.5 (red/red)
Pri motion ra
-044
Sec motion ra
-044
Pri motion dec
-038
Sec motion dec
-037
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.017 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.8
Precise sep
7.48
Cdsa2 id
LAS 4
Constellation
Coma Berenices
Ra deg
12.201555555555554
De deg
24.990583333333333
last precise pa
220.8
last precise sep
7.48
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12121+2459 LAS 4 2005 2 223 7.6 19.18 19.36 M3.5 M3.5 NV 121205.60+245926.1
12121+2459 LAS 4 2010 3 221 7.5 19.18 19.36 M3.5+M3.5 NV 121205.60+245926.1

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