03174+0739 BU 1039AC

 
 
03h 17m 26.29s +07 39' 21.0" P.A. 38 sep 156 mag 7.44,7.82 Sp F9IV-V dist. 46.15 pc (150.54 l.y.)
 
 
Coord 2000
03174+0739
Discov num
BU 1039
Comp
AC
Coord arcsec 2000
03 17 26.29 +07 39 21.0
Date first
1897
Date last
2015
Obs
18
Pa first
37
Pa last
38
P.A. Now (θ)
38°
Sep first
156.0
Sep last
156.0
Sep. Now (ρ)
156"
Mag pri
7.44
Mag sec
7.82
delta mag (ΔM)
0.38
Spectral class
F9IV-V (yellow-white)
Pri motion ra
+170
Sec motion ra
+167
Pri motion dec
-006
Sec motion dec
-008
Notes
N Z W V (See Notes, Parallax indicates components are physical, , Proper motion indicates physical)
This double is physical.
 
 
03174+0739 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 03174+0739 BU 1039 AB 1889 2002 3 201 2.5 7.39 13.40 6.01
Show 03174+0739 BU 1039 AC 1897 2015 18 38 156.0 7.44 7.82 0.38 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
15304
Tycho2
0649-00766-1
HD
20430
BD
BD+07 493
Distance
46.15
Distance ly
150.54
last precise pa
37.6
last precise sep
155.972
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03174+0739 BU 1039 AC 2005 16 38 155.7 7.44 7.82 NZDV 031726.29+073921.0

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