10157-1951 ARA 666AB

 
 
10H 15M 39.91S -19 50' 35.8" P.A. 1 SEP 20.7 MAG 9.31,11.25 SP K0V
 
 
Coord 2000
10157-1951
Discov num
ARA 666
Comp
AB
Coord arcsec 2000
10 15 39.91 -19 50 35.8
Date first
1917
Date last
2016
Obs
6
Pa first
14
Pa last
1
P.A. Now (θ)
Sep first
12.4
Sep last
20.7
Sep. Now (ρ)
20.7"
Mag pri
9.31
Mag sec
11.25
delta mag (ΔM)
1.94
Spectral class
K0V (yellow-orange)
Pri motion ra
+046
Sec motion ra
+013
Pri motion dec
-082
Sec motion dec
-001
Notes
rPM=0.93
This double is not physical.
 
 
10157-1951 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 155852 10157-1951 ARA 666 AB 1917 2016 6 1 20.7 9.31 11.25 1.94 <===
Show 155852 10157-1951 ARA 666 AC 1917 2010 5 215 11.7 9.31 11.80 2.49
Show 155852 10157-1951 ARA 666 BC 1917 2010 7 194 30.1 11.25 11.80 0.55
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hydra
SAO
155852
Tycho2
6067-00374-1
HD
89003
last precise pa
1
last precise sep
20.674