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
2015
Obs
5
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
116.654
Constellation
Coma Berenices
Gaia DR2
3955720649767333504
 
 
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
12406+2223 LDS4246 2015 5 253 116.7 15.70 18.40 M2+M3 V 124035.77+222301.0

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