03459+2433 HJL1026AB (21 Tau)

 
 
03h 45m 54.47s +24 33' 16.2" P.A. 130 sep 149.6 mag 5.75,6.42 Sp B8V dist. 114.03 pc (371.97 l.y.)
 
 
Coord 2000
03459+2433
Discov num
HJL1026
Comp
AB
Coord arcsec 2000
03 45 54.47 +24 33 16.2
Date first
1894
Date last
2015
Obs
24
Pa first
129
Pa last
130
P.A. Now (θ)
130°
Sep first
149.8
Sep last
149.6
Sep. Now (ρ)
149.6"
Mag pri
5.75
Mag sec
6.42
delta mag (ΔM)
0.67
Spectral class
B8V (blue-white)
Pri motion ra
+020
Sec motion ra
+020
Pri motion dec
-045
Sec motion dec
-044
Notes
N W (See Notes, )
rPM=0.02 (< 0.3, Physical double)
This double is physical.
 
 
03459+2433 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 21 Tau 76159 03459+2433 HJL1026 AB 1894 2015 24 130 149.6 5.75 6.42 0.67 <===
Show 76159 03459+2433 HL 12 AD 1886 2011 5 74 170.5 5.75 12.70 6.95
Show 76164 03459+2433 OCC 193 Ba,Bb 1934 1934 0 0.1 7.30 7.30 0.00
Show 76164 03459+2433 HL 14 BC 1887 2011 4 266 51.5 6.42 15.10 8.68
Show 03459+2433 POU 309 DE 1897 2011 5 162 17.5 12.70 12.96 0.26
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.8
Precise sep
149.616
Name
21 Tau
Constellation
Taurus
SAO
76159
HIP
17579
Tycho2
1803-01584-1
HD
23432
HR
1151
GC
4502
BD
BD+24 553
Flamsteed
21 Tauri
Flamsteed name
21 Tau
Distance
114.03
Distance ly
371.97
last precise pa
129.8
last precise sep
149.616
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03459+2433 HJL1026 AB 1999 2 130 149.6 5.75 6.42 D 034554.47+243316.2
03459+2433 HJL1026 AB 2011 21 130 149.7 5.75 6.42 N D 034554.47+243316.2
03459+2433 HJL1026 AB 2013 23 130 149.7 5.75 6.42 B8V N 034554.47+243316.2
03459+2433 HJL1026 AB 2015 24 130 149.6 5.75 6.42 B8V N W 034554.47+243316.2

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