12406+2223 LDS4246

 
 
12h 40m 35.77s +22 23' 01.0" P.A. 253 sep 116.7 mag 15.70,18.40 Sp M2+M3
 
 
Coord 2000
12406+2223
Discov num
LDS4246
Comp
Coord arcsec 2000
12 40 35.77 +22 23 01.0
Date first
1960
Date last
2010
Obs
4
Pa first
254
Pa last
253
P.A. Now (θ)
253°
Sep first
116.0
Sep last
116.7
Sep. Now (ρ)
116.7"
Mag pri
15.70
Mag sec
18.40
delta mag (ΔM)
2.7
Spectral class
M2+M3 (red/red)
Pri motion ra
-117
Sec motion ra
-119
Pri motion dec
-027
Sec motion dec
-023
Notes
V (Proper motion indicates physical)
rPM=0.037 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
253.2
Precise sep
116.7
Constellation
Coma Berenices
last precise pa
253.2
last precise sep
116.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12406+2223 LDS4246 2000 2 253 116.6 15.70 18.40 D 124035.77+222301.0
12406+2223 LDS4246 2005 3 253 116.7 15.70 18.40 M2+M3 V 124035.77+222301.0
12406+2223 LDS4246 2010 4 253 116.7 15.70 18.40 M2+M3 V 124035.77+222301.0

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