03452+2450 HL    8AB (18 Tau)

 
 
03h 45m 09.73s +24 50' 21.7" P.A. 129 sep 73 mag 5.64,14.00 Sp B8V dist. 125.47 pc (409.28 l.y.)
 
 
Coord 2000
03452+2450
Discov num
HL    8
Comp
AB
Coord arcsec 2000
03 45 09.73 +24 50 21.7
Date first
1887
Date last
2012
Obs
4
Pa first
130
Pa last
129
P.A. Now (θ)
129°
Sep first
78.6
Sep last
73.0
Sep. Now (ρ)
73"
Mag pri
5.64
Mag sec
14.00
delta mag (ΔM)
8.36
Spectral class
B8V (blue-white)
Pri motion ra
+020
Sec motion ra
Pri motion dec
-047
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
03452+2450 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18 Tau 76137 03452+2450 HL 8 AB 1887 2012 4 129 73.0 5.64 14.00 8.36 <===
Show 76137 03452+2450 HL 8 AC 1887 2012 4 175 151.5 5.64 14.77 9.13
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
18 Tau
Constellation
Taurus
SAO
76137
HIP
17527
Tycho2
1803-01583-1
HD
23324
HR
1144
GC
4485
BD
BD+24 546
Flamsteed
18 Tauri
Flamsteed name
18 Tau
Distance
125.47
Distance ly
409.28
last precise pa
128.6
last precise sep
73.002
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03452+2450 HL 8 AB 1999 2 129 73.5 5.64 14.00 N D 034509.73+245021.7
03452+2450 HL 8 AB 2012 3 129 73.0 5.64 14.00 N D 034509.73+245021.7

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