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 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
Gaia DR2
31705599360
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
 
 
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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