12290+4144 BWL  31AC

 
 
12H 29M 02.90S +41 43' 49.7" P.A. 109 SEP 9.5 MAG 8.70,19.70 SP M4.0
 
 
Coord 2000
12290+4144
Discov num
BWL  31
Comp
AC
Coord arcsec 2000
12 29 02.90 +41 43 49.7
Date first
2011
Date last
2012
Obs
2
Pa first
111
Pa last
109
P.A. Now (θ)
109°
Sep first
9.4
Sep last
9.5
Sep. Now (ρ)
9.5"
Mag pri
8.70
Mag sec
19.70
delta mag (ΔM)
11
Spectral class
M4.0 (red)
Pri motion ra
-196
Sec motion ra
Pri motion dec
-222
Sec motion dec
Notes
N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
This double is not physical.
 
 
12290+4144 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12290+4144 BWL 31 AB 2011 2011 1 256 0.1 8.70 9.30 0.60
Show 12290+4144 BWL 31 AC 2011 2012 2 109 9.5 8.70 19.70 11.00 <===
Show 12290+4144 BWL 31 AD 2011 2012 2 46 1.8 8.70 21.50 12.80
Show 12290+4144 BWL 31 AE 2012 2012 1 8 9.5 8.70 21.30 12.60
Show 12290+4144 BWL 31 AF 2012 2012 1 253 11.2 8.70 20.50 11.80
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Canes Venatici
last precise pa
109.3
last precise sep
9.471