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
 
 
Precise pa
1
Precise sep
20.674
Constellation
Hydra
SAO
155852
Tycho2
6067-00374-1
HD
89003
last precise pa
1
last precise sep
20.674
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10157-1951 ARA 666 AB 1998 3 3 19.0 9.50 12.00 K0V D 101539.91-195035.8
10157-1951 ARA 666 AB 2010 4 2 19.9 9.50 12.00 K0V D 101539.91-195035.8
10157-1951 ARA 666 AB 2016 6 1 20.7 9.31 11.25 K0V 101539.91-195035.8

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