03449+2407 HL    7AC

 
 
03h 44m 52.52s +24 06' 48.4" P.A. 121 sep 142.9 mag 3.67,13.75 Sp B6III dist. 124.07 pc (404.72 l.y.)
 
 
Coord 2000
03449+2407
Discov num
HL    7
Comp
AC
Coord arcsec 2000
03 44 52.52 +24 06 48.4
Date first
1886
Date last
2011
Obs
5
Pa first
122
Pa last
121
P.A. Now (θ)
121°
Sep first
150.4
Sep last
142.9
Sep. Now (ρ)
142.9"
Mag pri
3.67
Mag sec
13.75
delta mag (ΔM)
10.08
Spectral class
B6III (blue-white)
Pri motion ra
+021
Sec motion ra
Pri motion dec
-046
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
03449+2407 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76131 03449+2407 OCC 424 Aa,Ab 1969 1987 0 1.5 3.90 7.00 3.10
Show 76131 03449+2407 OCC 424 Aa,Ac 1988 1988 0 0.2 3.90 7.50 3.60
Show 17 Tau 76131 03449+2407 HL 7 AB 1886 2011 5 144 99.1 3.71 13.00 9.29
Show 76131 03449+2407 HL 7 AC 1886 2011 5 121 142.9 3.67 13.75 10.08 <===
Show 76131 03449+2407 HL 7 AD 1886 2011 5 193 216.2 3.71 11.00 7.29
Show 76131 03449+2407 HL 7 AE 1886 2011 5 346 186.8 3.67 11.47 7.80
Septuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.3
Precise sep
142.873
Constellation
Taurus
SAO
76131
HIP
17499
HD
23302
HR
1142
GC
4477
BD
BD+23 507
Flamsteed
17 Tauri
Flamsteed name
17 Tau
Distance
124.07
Distance ly
404.72
last precise pa
121.3
last precise sep
142.873
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03449+2407 HL 7 AC 1999 2 122 143.8 3.71 13.00 N D 034452.52+240648.4
03449+2407 HL 7 AC 2009 3 122 142.7 3.71 13.00 N D 034452.52+240648.4
03449+2407 HL 7 AC 2011 4 121 142.9 3.71 13.00 N D 034452.52+240648.4

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