11545+1925 STTA112AB

 
 
11h 54m 32.07s +19 24' 40.4" P.A. 37 sep 73.8 mag 8.28,8.49 Sp G0 dist. 40.5 pc (132.11 l.y.)
 
 
Coord 2000
11545+1925
Discov num
STTA112
Comp
AB
Coord arcsec 2000
11 54 32.07 +19 24 40.4
Date first
1875
Date last
2015
Obs
31
Pa first
35
Pa last
37
P.A. Now (θ)
37°
Sep first
73.1
Sep last
73.8
Sep. Now (ρ)
73.8"
Mag pri
8.28
Mag sec
8.49
delta mag (ΔM)
0.21
Spectral class
G0 (yellow)
Pri motion ra
-458
Sec motion ra
-453
Pri motion dec
-018
Sec motion dec
-015
Notes
N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
rPM=0.013 (< 0.3, Physical double)
This double is physical.
 
 
11545+1925 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 99858 11545+1925 STTA112 AB 1875 2015 31 37 73.8 8.28 8.49 0.21 <===
Show 99861 11545+1925 LBU 14 BC 1994 2001 3 345 81.4 8.49 12.83 4.34
Show 99861 11545+1925 LBU 14 BD 1994 2001 3 311 121.8 8.49 13.48 4.99
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
36.7
Precise sep
73.79
Constellation
Leo
SAO
99858
HIP
58067
Tycho2
1443-00454-1
HD
103432
GL
Gl 452.3A
BD
BD+20 2658
Distance
40.5
Distance ly
132.11
last precise pa
36.7
last precise sep
73.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11545+1925 STTA112 AB 2004 26 35 73.1 8.28 8.49 G0 NZDV 115432.07+192440.4
11545+1925 STTA112 AB 2014 29 35 73.6 8.28 8.49 G0 NZ V 115432.07+192440.4
11545+1925 STTA112 AB 2015 30 37 73.8 8.28 8.49 G0 NZ V 115432.07+192440.4

If you need more information about this double, apply for a data request form to the WDS.