12540+3243 SKF 340AB

 
 
12h 54m 01.78s +32 43' 00.8" P.A. 180 sep 14.5 mag 16.80,16.90 Sp M5+M5
 
 
Coord 2000
12540+3243
Discov num
SKF 340
Comp
AB
Coord arcsec 2000
12 54 01.78 +32 43 00.8
Date first
1950
Date last
2004
Obs
5
Pa first
179
Pa last
180
P.A. Now (θ)
180°
Sep first
15.1
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
16.80
Mag sec
16.90
delta mag (ΔM)
0.1
Spectral class
M5+M5 (red/red)
Pri motion ra
-032
Sec motion ra
-036
Pri motion dec
-016
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
12540+3243 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12540+3243 SKF 340 AB 1950 2004 5 180 14.5 16.80 16.90 0.10 <===
Show 12540+3243 SKF 340 AC 2004 2004 1 200 1.9 17.30 21.00 3.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canes Venatici
last precise pa
179.9
last precise sep
14.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12540+3243 SKF 340 AB 2004 4 180 14.5 17.30 17.40 M5+M5 D 125401.78+324300.8
12540+3243 SKF 340 AB 2010 6 179 13.9 16.80 16.90 M5+M5 125401.78+324300.8

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