05403+1521 YSC 186Aa,Ab

 
 
05h 40m 18.85s +15 21' 00.2" P.A. 132 sep 0.2 mag 7.70,7.80 Sp F0 dist. 257.07 pc (838.56 l.y.)
 
 
Coord 2000
05403+1521
Discov num
YSC 186
Comp
Aa,Ab
Coord arcsec 2000
05 40 18.85 +15 21 00.2
Date first
2011
Date last
2016
Obs
6
Pa first
160
Pa last
132
P.A. Now (θ)
132°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
7.70
Mag sec
7.80
delta mag (ΔM)
0.1
Spectral class
F0 (yellow-white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-031
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
05403+1521 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 94746 05403+1521 YSC 186 Aa,Ab 2011 2016 6 132 0.2 7.70 7.80 0.10 <===
Show 94746 05403+1521 STF 766 AB 1797 2015 44 275 10.1 7.00 8.36 1.36
Show 94746 05403+1521 SHY 28 BC 1991 2015 5 92 999.9 8.36 10.72 2.36
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
132.1
Precise sep
0.161
Constellation
Orion
SAO
94746
HIP
26692
Tycho2
1298-01294-1
HD
37603
BD
BD+15 887
Distance
257.07
Distance ly
838.56
last precise pa
132.1
last precise sep
0.161
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05403+1521 YSC 186 Aa,Ab 2011 2 160 0.1 7.70 7.80 F0 N 054018.85+152100.2
05403+1521 YSC 186 Aa,Ab 2016 6 132 0.2 7.70 7.80 F0 N 054018.85+152100.2

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