11581+3216 BU  918AB

 
 
11H 58M 07.25S +32 16' 26.6" P.A. 236 SEP 6.9 MAG 6.42,12.50 SP A9V DIST. 47.04 PC (153.44 L.Y.)
 
 
Coord 2000
11581+3216
Discov num
BU  918
Comp
AB
Coord arcsec 2000
11 58 07.25 +32 16 26.6
Date first
1880
Date last
1999
Obs
8
Pa first
231
Pa last
236
P.A. Now (θ)
236°
Sep first
7.5
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
6.42
Mag sec
12.50
delta mag (ΔM)
6.08
Spectral class
A9V (white)
Pri motion ra
-109
Sec motion ra
Pri motion dec
-060
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
11581+3216 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 62774 11581+3216 BU 918 AB 1880 1999 8 236 6.9 6.42 12.50 6.08 <===
Show 62774 11581+3216 BU 918 AC 1899 2001 6 66 131.7 6.42 11.50 5.08
Show 62774 11581+3216 WAL 59 AD 1944 2001 3 55 139.2 6.42 12.20 5.78
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
62774
HIP
58369
Tycho2
2524-01052-1
HD
103928
HR
4574
BD
BD+33 2174
Distance
47.04
Distance ly
153.44
last precise pa
235.6
last precise sep
6.9