10040-1806 BU 1072BC

 
 
10h 04m 03.51s -18 05' 57.4" P.A. 259 sep 31.8 mag 12.10,6.97 Sp B9III/IV dist. 156.01 pc (508.9 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
2000
Obs
7
Pa first
257
Pa last
259
P.A. Now (θ)
259°
Sep first
29.4
Sep last
31.8
Sep. Now (ρ)
31.8"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 155704 10040-1806 BU 1072 AB 1889 2000 8 52 12.6 6.22 12.10 5.88
Show 155704 10040-1806 SHJ 110 AC 1823 2016 42 273 21.2 6.22 6.97 0.75
Show 155704 10040-1806 BU 1072 BC 1889 2000 7 259 31.8 12.10 6.97 5.13 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.5
Precise sep
31.77
Constellation
Hydra
SAO
155704
HIP
49321
Tycho2
6050-01449-1
HD
87344
HR
3963
BD
BD-17 3047
Distance
156.01
Distance ly
508.9
last precise pa
258.5
last precise sep
31.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10040-1806 BU 1072 BC 2000 6 259 31.8 6.80 13.70 B9III/IV 100400.00-180600.0

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