04226+2538 STF 528AB (Chi Tau)

 
 
04h 22m 34.94s +25 37' 45.5" P.A. 25.00 sep 19.4 mag 5.37,8.54 Sp B9Vnn+F8V dist. 89.29 pc (291.26 l.y.)
 
 
Coord 2000
04226+2538
Discov num
STF 528
Comp
AB
Coord arcsec 2000
04 22 34.94 +25 37 45.5
Date first
1822
Date last
2016
Obs
80
Pa first
27
Pa last
25
P.A. Now (θ)
25°
Sep first
19.7
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
5.37
Mag sec
8.54
delta mag (ΔM)
3.17
Spectral class
B9Vnn+F8V (blue-white/yellow-white)
Pri motion ra
+020
Sec motion ra
+032
Pri motion dec
-017
Sec motion dec
+003
Notes
N (See Notes)
rPM=0.726
Nature of this double is uncertain.
 
 
04226+2538 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Chi Tau 76573 04 22 35 +25 37 46 STF 528 AB 2016 80 25 19.4 5.37 8.54 3.17 <===
Show 76573 04 22 36 +25 38 03 ITO 23 BC 2015 5 245 11.6 6.94 12.54 5.60
Show 76573 04 22 36 +25 38 03 ITO 23 BD 2003 1 227 11.0 6.94 13.29 6.35
Show 76573 04 22 36 +25 38 03 ITO 23 BE 2003 1 264 10.6 6.94 14.96 8.02
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.9
Precise sep
19.42
Name
Chi Tau
Constellation
Taurus
SAO
76573
HIP
20430
Tycho2
1820-01416-1
Gaia DR2
150461092453366528
HD
27638
HR
1369
GC
5292
BD
BD+25 707
Bayer
Chi Tauri
Bayer name
Chi Tau
Flamsteed
59 Tauri
Flamsteed name
59 Tau
Distance
89.29
Distance ly
291.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04226+2538 STF 528 AB 2012 78 24 20.4 5.37 8.54 B9Vnn F8V N D 042234.94+253745.5
04226+2538 STF 528 AB 2016 79 25 19.4 5.37 8.54 B9Vnn+F8V N 042234.94+253745.5

If you need more information about this double, apply for a data request form to the WDS.