03458+2422 HL   11 (20 Tau)

 
 
03h 45m 49.59s +24 22' 04.3" P.A. 73 sep 113.3 mag 3.85,13.72 Sp B6.5III dist. 117.51 pc (383.32 l.y.)
 
 
Coord 2000
03458+2422
Discov num
HL   11
Comp
Coord arcsec 2000
03 45 49.59 +24 22 04.3
Date first
1886
Date last
2011
Obs
6
Pa first
76
Pa last
73
P.A. Now (θ)
73°
Sep first
113.8
Sep last
113.3
Sep. Now (ρ)
113.3"
Mag pri
3.85
Mag sec
13.72
delta mag (ΔM)
9.87
Spectral class
B6.5III (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.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
72.9
Precise sep
113.309
Name
20 Tau
Constellation
Taurus
SAO
76155
HIP
17573
Tycho2
1799-01439-1
HD
23408
HR
1149
GC
4500
BD
BD+23 516
Flamsteed
20 Tauri
Flamsteed name
20 Tau
Distance
117.51
Distance ly
383.32
last precise pa
72.9
last precise sep
113.309
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03458+2422 HL 11 1999 2 73 113.5 3.87 13.00 N D 034549.59+242204.3
03458+2422 HL 11 2009 3 73 112.4 3.87 13.00 N D 034549.59+242204.3
03458+2422 HL 11 2011 4 73 113.3 3.87 13.00 N D 034549.59+242204.3

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