10084+1158 HDO 127AD

 
 
10h 08m 22.31s +11 58' 01.9" P.A. 274 sep 195.3 mag 1.40,12.10 Sp B7V dist. 24.31 pc (79.3 l.y.)
 
 
Coord 2000
10084+1158
Discov num
HDO 127
Comp
AD
Coord arcsec 2000
10 08 22.31 +11 58 01.9
Date first
1924
Date last
2015
Obs
7
Pa first
274
Pa last
274
P.A. Now (θ)
274°
Sep first
217.0
Sep last
195.3
Sep. Now (ρ)
195.3"
Mag pri
1.40
Mag sec
12.10
delta mag (ΔM)
10.7
Spectral class
B7V (blue-white)
Pri motion ra
-249
Sec motion ra
-023
Pri motion dec
+006
Sec motion dec
-016
Notes
N (See Notes)
rPM=0.912
This double is not physical.
 
 
10084+1158 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Regolo 98967 10084+1158 STFB 6 AB 1779 2016 65 308 175.5 1.40 8.24 6.84
Show 98967 10084+1158 HDO 127 AD 1924 2015 7 274 195.3 1.40 12.10 10.70 <===
Show 98966 10084+1158 HDO 127 BC 1867 1943 15 86 2.5 8.24 13.20 4.96
Show 98966 10084+1158 HDO 127 BD 1907 2015 9 211 109.1 8.24 12.10 3.86
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.3
Precise sep
195.3
Constellation
Leo
SAO
98967
HIP
49669
HD
87901
HR
3982
GC
13926
BD
BD+12 2149
Bayer
Alpha Leonis
Bayer name
Alp Leo
Flamsteed
32 Leonis
Flamsteed name
32 Leo
Distance
24.31
Distance ly
79.3
last precise pa
274.3
last precise sep
195.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10084+1158 HDO 127 AD 1924 1 274 217.0 1.40 11.50 B7V D 100822.31+115801.9
10084+1158 HDO 127 AD 2006 3 274 198.5 1.40 11.50 B7V D 100822.31+115801.9
10084+1158 HDO 127 AD 2012 5 274 196.7 1.40 11.50 B7V N D 100822.31+115801.9
10084+1158 HDO 127 AD 2015 6 274 196.3 1.40 12.10 B7V N 100822.31+115801.9

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