05458+2130 J  2731AB

 
 
05h 45m 50.80s +21 28' 20.5" P.A. 40 sep 5.2 mag 12.90,13.80
 
 
Coord 2000
05458+2130
Discov num
J  2731
Comp
AB
Coord arcsec 2000
05 45 50.80 +21 28 20.5
Date first
1945
Date last
2015
Obs
10
Pa first
70
Pa last
40
P.A. Now (θ)
40°
Sep first
4.0
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
12.90
Mag sec
13.80
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+019
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
B (Blue magnitudes)
Nature of this double is uncertain.
 
 
05458+2130 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 05458+2130 J 2731 AB 1945 2015 10 40 5.2 12.90 13.80 0.90 <===
Show 05458+2130 J 2731 AC 1892 2015 14 248 6.3 12.90 12.92 0.02
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
40.1
Precise sep
5.15
Cdsa2 id
J 2731 AB
Constellation
Taurus
Ra deg
5.764111111111111
De deg
21.47236111111111
last precise pa
40.1
last precise sep
5.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05458+2130 J 2731 AB 1997 2 48 4.9 12.90 13.80 DB 054550.63+212823.1
05458+2130 J 2731 AB 2000 3 47 4.9 12.90 13.80 DB 054550.63+212823.1
05458+2130 J 2731 AB 2011 5 42 5.1 12.90 13.80 DB 054550.63+212823.1
05458+2130 J 2731 AB 2012 7 41 5.1 12.90 13.80 B 054550.63+212823.1
05458+2130 J 2731 AB 2013 9 41 5.1 12.90 13.80 B 054550.63+212823.1
05458+2130 J 2731 AB 2015 10 40 5.2 12.90 13.80 B 054550.80+212820.5

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