18106-7511 HJ 4999

 
 
18h 10m 33.96s -75 11' 17.1" P.A. 171 sep 13.1 mag 7.68,8.61 Sp B9V+A0/1 dist. 240.96 pc (786.01 l.y.)
 
 
Coord 2000
18106-7511
Discov num
HJ 4999
Comp
Coord arcsec 2000
18 10 33.96 -75 11 17.1
Date first
1835
Date last
2010
Obs
19
Pa first
174
Pa last
171
P.A. Now (θ)
171°
Sep first
13.0
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
7.68
Mag sec
8.61
delta mag (ΔM)
0.93
Spectral class
B9V+A0/1 (blue-white/white)
Pri motion ra
+010
Sec motion ra
+007
Pri motion dec
-010
Sec motion dec
-022
Notes
Y (Parallax indicates components are non-physical)
rPM=0.536
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.3
Precise sep
13.1
Constellation
Apus
SAO
257566
HIP
89050
Tycho2
9445-02573-1
HD
164643
CP
CP-75 1409
Distance
240.96
Distance ly
786.01
last precise pa
171.3
last precise sep
13.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18106-7511 HJ 4999 2000 17 171 13.2 7.68 8.61 B9V A0/1 D 181033.96-751117.1
18106-7511 HJ 4999 2010 19 171 13.1 7.68 8.61 B9V+A0/1 Y 181033.96-751117.1

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