11279+0251 STFA 19AB (Tau Leo)

 
 
11H 27M 56.23S +02 51' 22.5" P.A. 182 SEP 88.4 MAG 5.05,7.47 SP G8II-III DIST. 172.41 PC (562.4 L.Y.)
 
 
Coord 2000
11279+0251
Discov num
STFA 19
Comp
AB
Coord arcsec 2000
11 27 56.23 +02 51 22.5
Date first
1780
Date last
2016
Obs
69
Pa first
164
Pa last
182
P.A. Now (θ)
182°
Sep first
82.7
Sep last
88.4
Sep. Now (ρ)
88.4"
Mag pri
5.05
Mag sec
7.47
delta mag (ΔM)
2.42
Spectral class
G8II-III (yellow)
Pri motion ra
+016
Sec motion ra
-090
Pri motion dec
-010
Sec motion dec
+017
Notes
N L (See Notes, Linear solution)
rPM=1.194
This double is not physical.
 
 
11279+0251 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Tau Leo 118875 11279+0251 STFA 19 AB 1780 2016 69 182 88.4 5.05 7.47 2.42 <===
Show 118875 11279+0251 STFA 19 AD 1875 2015 6 92 758.7 5.05 9.51 4.46
Show 11279+0251 STFA 19 BC 1910 2012 4 231 103.5 7.47 14.48 7.01
Show 11279+0251 STFA 19 BD 1875 2015 5 86 763.1 7.47 9.51 2.04
Show 11279+0251 BUP9002 CE 1983 2009 10 193 9.1 14.48 14.22 0.26
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181.6
Precise sep
88.411
Name
Tau Leo
Constellation
Leo
SAO
118875
HIP
55945
Tycho2
0267-01193-1
HD
99648
HR
4418
GC
15729
BD
BD+03 2504
Bayer
Tau Leonis
Bayer name
Tau Leo
Flamsteed
84 Leonis
Flamsteed name
84 Leo
Distance
172.41
Distance ly
562.4
last precise pa
181.6
last precise sep
88.411