14347+2945 STT 582AB (Sig Boo)

 
 
14h 34m 40.81s +29 44' 42.4" P.A. 85 sep 215.3 mag 4.50,10.66 Sp F2V dist. 15.83 pc (51.64 l.y.)
 
 
Coord 2000
14347+2945
Discov num
STT 582
Comp
AB
Coord arcsec 2000
14 34 40.81 +29 44 42.4
Date first
1852
Date last
2012
Obs
15
Pa first
82
Pa last
85
P.A. Now (θ)
85°
Sep first
247.9
Sep last
215.3
Sep. Now (ρ)
215.3"
Mag pri
4.50
Mag sec
10.66
delta mag (ΔM)
6.16
Spectral class
F2V (yellow-white)
Pri motion ra
+188
Sec motion ra
-003
Pri motion dec
+132
Sec motion dec
+005
Notes
N L (See Notes, Linear solution)
rPM=0.999
This double is not physical.
 
 
14347+2945 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Sig Boo 83416 14347+2945 STT 582 AB 1852 2012 15 85 215.3 4.50 10.66 6.16 <===
Show 83416 14347+2945 STT 582 AC 1902 2002 8 101 222.6 4.50 12.08 7.58
Show 14347+2945 STT 582 BC 1853 2002 12 178 65.1 10.66 12.08 1.42
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
84.9
Precise sep
215.28
Name
Sig Boo
Constellation
Bootes
SAO
83416
HIP
71284
Tycho2
2021-01323-1
HD
128167
HR
5447
GC
19659
GL
Gl 557
BD
BD+30 2536
Bayer
Sigma Bootis
Bayer name
Sig Boo
Flamsteed
28 Bootis
Flamsteed name
28 Boo
Distance
15.83
Distance ly
51.64
last precise pa
84.9
last precise sep
215.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14347+2945 STT 582 AB 2002 13 85 219.2 4.50 10.66 F2V NLD 143440.69+294441.3
14347+2945 STT 582 AB 2012 15 85 215.3 4.50 10.66 F2V NLD 143440.69+294441.3

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