03470+2431 HL   17AB

 
 
03h 46m 59.38s +24 31' 12.8" P.A. 299 sep 101.4 mag 6.81,14.82 Sp B9.5V dist. 130.55 pc (425.85 l.y.)
 
 
Coord 2000
03470+2431
Discov num
HL   17
Comp
AB
Coord arcsec 2000
03 46 59.38 +24 31 12.8
Date first
1887
Date last
2011
Obs
4
Pa first
296
Pa last
299
P.A. Now (θ)
299°
Sep first
100.2
Sep last
101.4
Sep. Now (ρ)
101.4"
Mag pri
6.81
Mag sec
14.82
delta mag (ΔM)
8.01
Spectral class
B9.5V (blue-white)
Pri motion ra
+023
Sec motion ra
+026
Pri motion dec
-045
Sec motion dec
-008
Notes
N W (See Notes, )
rPM=0.735
Nature of this double is uncertain.
 
 
03470+2431 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76183 03470+2431 CHR 124 Aa,Ab 1987 2008 2 134 0.1 6.81 6.90 0.09
Show 76183 03470+2431 HL 17 AB 1887 2011 4 299 101.4 6.81 14.82 8.01 <===
Show 76183 03470+2431 HL 17 AC 1887 2011 4 190 123.3 6.81 13.00 6.19
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
299
Precise sep
101.439
Constellation
Taurus
SAO
76183
HIP
17664
Tycho2
1804-02081-1
HD
23568
BD
BD+24 562
Distance
130.55
Distance ly
425.85
last precise pa
299
last precise sep
101.439
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03470+2431 HL 17 AB 2000 2 299 101.3 6.81 13.00 B9.5V D 034659.38+243112.8
03470+2431 HL 17 AB 2011 3 299 101.4 6.81 13.00 B9.5V N D 034659.38+243112.8

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