05530+2047 ARY  39AB

 
 
05h 52m 58.21s +20 46' 40.3" P.A. 186 sep 33.4 mag 7.70,10.59 Sp B9
 
 
Coord 2000
05530+2047
Discov num
ARY  39
Comp
AB
Coord arcsec 2000
05 52 58.21 +20 46 40.3
Date first
1893
Date last
2015
Obs
12
Pa first
184
Pa last
186
P.A. Now (θ)
186°
Sep first
33.6
Sep last
33.4
Sep. Now (ρ)
33.4"
Mag pri
7.70
Mag sec
10.59
delta mag (ΔM)
2.89
Spectral class
B9 (blue-white)
Pri motion ra
+008
Sec motion ra
+008
Pri motion dec
-021
Sec motion dec
-022
Notes
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
05530+2047 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 05530+2047 ARY 39 AB 1893 2015 12 186 33.4 7.70 10.59 2.89 <===
Show 05530+2047 ARY 39 AC 1893 2015 15 301 117.3 7.70 8.85 1.15
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.5
Precise sep
33.425
Constellation
Orion
SAO
77667
Tycho2
1324-02789-1
Gaia DR2
86228325504
HD
39358
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05530+2047 ARY 39 AB 2003 5 184 32.1 7.70 8.80 D 055258.21+204640.3
05530+2047 ARY 39 AB 2014 7 186 33.0 7.70 10.59 055258.21+204640.3
05530+2047 ARY 39 AB 2015 8 185 33.4 7.70 10.59 B9 055258.21+204640.3

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