10040-1806 BU 1072 BC

 
 
10h 04m 03.51s -18° 05' 57.4" P.A. 259.00 sep 32.0 mag 12.10,6.97 Sp B9III/IV dist. 40.93 pc (133.51 l.y.)
 
 
Coord 2000 10040-1806 Discov num BU 1072 Comp BC Coord arcsec 2000 10 04 03.51 -18 05 57.4
Date first 1889 Date last 2015 Obs 8
Pa first 257 Pa last 258.7 P.A. Now (θ) 258.7°
Sep first 29.4 Sep last 32.009 Sep. Now (ρ) 32.009"
Mag pri 12.10 Mag sec 6.97 delta mag (ΔM) 5.13 Spectral class B9III/IV (blue-white)
Pri motion ra -002 Sec motion ra -008
Pri motion dec +009 Sec motion dec -007
Notes N (See Notes)
rPM=1.608
This double is not physical.
 
 
10040-1806 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 87344 155704 10 04 03 -18 06 05 BU 1072 AB 2015 9 53 12.7 6.22 12.10 5.88
Show 155704 10 04 03 -18 06 05 SHJ 110 AC 2019 44 274 21.2 6.22 6.97 0.75
Show 155702 10 04 04 -18 05 57 BU 1072 BC 2015 8 259 32.0 12.10 6.97 5.13 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra SAO 155702 HIP 49319 Tycho2 6050-01947-1
Gaia DR2 5672652754264707968 HD 87330 DM BD-17 3047 BD BD-17 3046
Distance 40.93 Distance ly 133.51