11581+3216 BU  918AC

 
 
11h 58m 07.25s +32 16' 26.6" P.A. 66 sep 131.7 mag 6.42,11.50 Sp A9V dist. 47.04 pc (153.44 l.y.)
 
 
Coord 2000
11581+3216
Discov num
BU  918
Comp
AC
Coord arcsec 2000
11 58 07.25 +32 16 26.6
Date first
1899
Date last
2001
Obs
6
Pa first
66
Pa last
66
P.A. Now (θ)
66°
Sep first
121.9
Sep last
131.7
Sep. Now (ρ)
131.7"
Mag pri
6.42
Mag sec
11.50
delta mag (ΔM)
5.08
Spectral class
A9V (white)
Pri motion ra
-109
Sec motion ra
-013
Pri motion dec
-062
Sec motion dec
-008
Notes
rPM=0.878
This double is not physical.
 
 
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
 
 
Precise pa
65.6
Precise sep
131.704
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
65.6
last precise sep
131.704
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11581+3216 BU 918 AC 1999 5 66 131.6 6.42 10.50 A9V D 115807.25+321626.6
11581+3216 BU 918 AC 2001 6 66 131.7 6.42 10.50 A9V D 115807.25+321626.6

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