13473+1727 PIN   9AC

 
 
13h 47m 15.74s +17 27' 24.8" P.A. 187 sep 42.6 mag 3.51,14.33 Sp F6IV+L? dist. 15.62 pc (50.95 l.y.)
 
 
Coord 2000
13473+1727
Discov num
PIN   9
Comp
AC
Coord arcsec 2000
13 47 15.74 +17 27 24.8
Date first
1998
Date last
1998
Obs
1
Pa first
187
Pa last
187
P.A. Now (θ)
187°
Sep first
42.6
Sep last
42.6
Sep. Now (ρ)
42.6"
Mag pri
3.51
Mag sec
14.33
delta mag (ΔM)
10.82
Spectral class
F6IV+L? (yellow-white/very deep red)
Pri motion ra
-482
Sec motion ra
Pri motion dec
+041
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
13473+1727 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Tau Boo 100706 13473+1727 STT 270 AB 1825 2017 63 74 1.4 4.50 11.10 6.60 Y
Show 100706 13473+1727 PIN 9 AC 1998 1998 1 187 42.6 3.51 14.33 10.82 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
186.8
Precise sep
42.62
Cdsa2 id
PIN 9 AC
Constellation
Bootes
SAO
100706
HIP
67275
Tycho2
1460-00132-1
HD
120136
HR
5185
GC
18637
GL
Gl 527A
BD
BD+18 2782
Bayer
Tau Bootis
Bayer name
Tau Boo
Flamsteed
4 Bootis
Flamsteed name
4 Boo
Ra deg
13.787705555555556
De deg
17.456888888888887
Distance
15.62
Distance ly
50.95
last precise pa
186.8
last precise sep
42.62
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13473+1727 PIN 9 AC 1998 1 187 42.6 3.51 14.33 F6IV L? N K 134715.74+172724.8

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