13473+1727 PIN 9 AC
13h 47m 15.74s +17° 27' 24.8" P.A. 187.00 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 |
186.8 |
|
P.A. Now (θ) |
186.8° |
|
Sep first |
42.6 |
|
Sep last |
42.62 |
|
Sep. Now (ρ) |
42.62" |
|
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) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
13473+1727 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
Tau Boo |
100706 |
13 47 16 +17 27 25 |
STT 270 AB |
2017 |
70 |
76 |
1.5 |
4.50 |
11.10 |
6.60 |
Y |
|
Show |
|
100706 |
13 47 16 +17 27 25 |
PIN 9 AC |
1998 |
1 |
187 |
42.6 |
3.51 |
14.33 |
10.82 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV6444 Boo |
|
Constellation |
Bootes |
|
SAO |
100706 |
|
HIP |
67275 |
|
Tycho2 |
1460-00132-1 |
|
HD |
120136 |
|
HR |
5185 |
|
GC |
18637 |
|
ADS |
9025 |
|
GL |
Gl 527A |
|
BD |
BD+18 2782 |
|
Bayer |
Tau Bootis |
|
Bayer name |
Tau Boo |
|
Flamsteed |
4 Bootis |
|
Flamsteed name |
4 Boo |
|
FK5 |
507 |
|
Distance |
15.62 |
|
Distance ly |
50.95 |
|
Bayer greek |
τ Boo |
|