14347+2945 STT 582AB (Sig Boo)

 
 
14h 34m 40.81s +29 44' 42.4" P.A. 85.00 sep 214.5 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
2015
Obs
26
Pa first
82
Pa last
85
P.A. Now (θ)
85°
Sep first
247.9
Sep last
214.5
Sep. Now (ρ)
214.5"
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 2015 26 85 214.5 4.50 10.66 6.16 <===
Show 83416 14347+2945 STT 582 AC 1902 2020 13 103 221.0 4.50 12.08 7.58
Show 83416 14347+2945 STT 582 BC 1853 2015 25 178 65.8 10.66 12.08 1.42
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85
Precise sep
214.503
Name
Sig Boo
Constellation
Bootes
SAO
83416
HIP
71284
Tycho2
2021-01323-1
Gaia DR2
23084916480
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
 
 
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
14347+2945 STT 582 AB 2015 26 85 214.5 4.50 10.66 F2V NL 143440.81+294442.4

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