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
Cdsa2 id
HJL 1026 AB
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
Ra deg
3.7651305555555554
De deg
24.5545
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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