17040-5105 R 289 BC

 
 
17h 03m 59.55s -51° 04' 57.4" P.A. 158.00 sep 11.0 mag 8.81,11.00 Sp B2V dist. 101.32 pc (330.51 l.y.)
 
 
Coord 2000 17040-5105 Discov num R   289 Comp BC Coord arcsec 2000 17 03 59.55 -51 04 57.4
Date first 1880 Date last 2015 Obs 10
Pa first 158 Pa last 157.8 P.A. Now (θ) 157.8°
Sep first 5.0 Sep last 11.034 Sep. Now (ρ) 11.034"
Mag pri 8.81 Mag sec 11.00 delta mag (ΔM) 2.19 Spectral class B2V (blue-white)
Pri motion ra +005 Sec motion ra +000
Pri motion dec -002 Sec motion dec -002
Notes N (See Notes)
rPM=0.928
This double is not physical.
 
 
17040-5105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 153772 244398 17 04 01 -51 05 01 DUN 212 AB 2015 21 283 16.2 8.35 8.81 0.46
Show 17 04 01 -51 05 01 R 289 AC 2015 9 241 13.3 8.35 11.00 2.65
Show 17 04 01 -51 05 01 R 289 AD 2015 9 151 28.0 8.35 11.64 3.29
Show 17 04 01 -51 05 01 R 289 AE 2015 9 254 41.6 8.35 10.30 1.95
Show 17 04 01 -51 05 01 R 289 AF 2015 10 203 60.5 8.35 10.91 2.56
Show 244398 17 03 60 -51 04 57 R 289 BC 2015 10 158 11.0 8.81 11.00 2.19 <===
Show 244398 17 03 60 -51 04 57 R 289 BE 2015 9 238 28.6 8.81 11.41 2.60
Show 244398 17 03 60 -51 04 57 R 289 BF 2015 10 188 59.9 8.81 10.91 2.10
Show 17 03 60 -51 05 08 R 289 CG 2015 5 157 10.2 11.00 13.00 2.00
Show 17 03 60 -51 05 08 R 289 CH 2015 6 232 7.1 11.00 13.50 2.50
Show 17 03 57 -51 05 12 R 289 ED 2015 7 104 55.3 11.41 11.64 0.23
Octuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ara SAO 244398 HIP 83506 Tycho2 8340-02544-1
Gaia DR2 5937998243333788416 HD 153771 GC 22981 CD CD-5010977
CP CP-50 9812 Distance 101.32 Distance ly 330.51