03494+2423 HL   30BC

 
 
03h 49m 16.79s +24 23' 46.4" P.A. 13 sep 69.8 mag 7.53,11.87 Sp A2V
 
 
Coord 2000
03494+2423
Discov num
HL   30
Comp
BC
Coord arcsec 2000
03 49 16.79 +24 23 46.4
Date first
1886
Date last
2017
Obs
8
Pa first
16
Pa last
13
P.A. Now (θ)
13°
Sep first
66.2
Sep last
69.8
Sep. Now (ρ)
69.8"
Mag pri
7.53
Mag sec
11.87
delta mag (ΔM)
4.34
Spectral class
A2V (white)
Pri motion ra
+019
Sec motion ra
+001
Pri motion dec
-046
Sec motion dec
-012
Notes
N W (See Notes, )
rPM=0.773
Nature of this double is uncertain.
 
 
03494+2423 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 76236 03494+2423 OCC 253 Aa,Ab 1971 1987 0 1.6 7.30 7.40 0.10
Show 76236 03494+2423 STTA 40 AB 1875 2015 26 309 86.9 6.58 7.53 0.95
Show 76236 03494+2423 HL 31 AE 1887 2012 4 83 116.1 6.58 13.83 7.25
Show 76236 03494+2423 HL 31 AF 1886 2012 4 107 182.1 6.58 14.57 7.99
Show 76236 03494+2423 HL 31 AG 1887 2012 4 212 158.9 6.58 15.09 8.51
Show 76234 03494+2423 HL 30 BC 1886 2017 8 13 69.8 7.53 11.87 4.34 <===
Show 76234 03494+2423 HL 30 BD 1886 2012 7 242 80.8 7.53 12.05 4.52
Show 76234 03494+2423 HL 30 BH 1886 2012 5 273 147.4 7.53 13.10 5.57
Show 76234 03494+2423 HL 30 BI 1886 2012 4 230 147.0 7.53 14.53 7.00
Decuple system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
13.4
Precise sep
69.8
Cdsa2 id
HL 30 BC
Constellation
Taurus
SAO
76234
Tycho2
1804-00265-1
HD
23872
Ra deg
3.8213305555555555
De deg
24.39622222222222
last precise pa
13.4
last precise sep
69.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03494+2423 HL 30 BC 2000 5 14 69.3 7.53 12.00 N D 034916.79+242346.4
03494+2423 HL 30 BC 2012 6 14 69.8 7.53 12.00 N D 034916.79+242346.4
03494+2423 HL 30 BC 2017 8 13 69.8 7.53 11.87 A2V N W 034916.79+242346.4

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