09109+6331 STU   7AC

 
 
09h 10m 55.05s +63 30' 49.0" P.A. 7 sep 126.9 mag 4.68,11.50 Sp F3-4IIIm dist. 38.73 pc (126.34 l.y.)
 
 
Coord 2000
09109+6331
Discov num
STU   7
Comp
AC
Coord arcsec 2000
09 10 55.05 +63 30 49.0
Date first
1991
Date last
2014
Obs
3
Pa first
6
Pa last
7
P.A. Now (θ)
Sep first
102.6
Sep last
126.9
Sep. Now (ρ)
126.9"
Mag pri
4.68
Mag sec
11.50
delta mag (ΔM)
6.82
Spectral class
F3-4IIIm (yellow-white)
Pri motion ra
+094
Sec motion ra
Pri motion dec
-061
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
09109+6331 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Tau UMa 14796 09109+6331 H 5 73 AB 1782 2014 10 36 52.1 4.68 11.42 6.74
Show 14796 09109+6331 STU 7 AC 1991 2014 3 7 126.9 4.68 11.50 6.82 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.9
Precise sep
126.916
Constellation
Ursa Major
SAO
14796
HIP
45075
Tycho2
4138-01687-1
HD
78362
HR
3624
GC
12646
BD
BD+64 723
Bayer
Tau Ursae Majoris
Bayer name
Tau UMa
Flamsteed
14 Ursae Majoris
Flamsteed name
14 UMa
Distance
38.73
Distance ly
126.34
last precise pa
6.9
last precise sep
126.916
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09109+6331 STU 7 AC 1991 1 6 102.6 4.68   D 091055.05+633049.0
09109+6331 STU 7 AC 2014 2 7 126.9 4.68 11.50 F3-4IIIm N 091055.05+633049.0

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