10157-1951 ARA 666BC

 
 
10h 15m 39.98s -19 50' 16.7" P.A. 194 sep 30.1 mag 11.25,11.80
 
 
Coord 2000
10157-1951
Discov num
ARA 666
Comp
BC
Coord arcsec 2000
10 15 39.98 -19 50 16.7
Date first
1917
Date last
2010
Obs
7
Pa first
187
Pa last
194
P.A. Now (θ)
194°
Sep first
31.3
Sep last
30.1
Sep. Now (ρ)
30.1"
Mag pri
11.25
Mag sec
11.80
delta mag (ΔM)
0.55
Spectral class
Pri motion ra
+013
Sec motion ra
-022
Pri motion dec
-001
Sec motion dec
+009
Notes
rPM=1.531
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
193.6
Precise sep
30.12
Constellation
Hydra
SAO
155852
Tycho2
6067-00374-1
HD
89003
last precise pa
193.6
last precise sep
30.12
 
 
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 BC 2008 1 11 28.1 12.00 11.10 101539.49-195046.4
10157-1951 ARA 666 BC 2010 5 14 30.1 12.00 11.10 D 101539.49-195046.4

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