05312+0318 STF 729AB (33 Ori)

 
 
05h 31m 14.53s +03 17' 31.7" P.A. 26 sep 1.8 mag 5.71,6.74 Sp B1.5V dist. 348.43 pc (1136.58 l.y.)
 
 
Coord 2000
05312+0318
Discov num
STF 729
Comp
AB
Coord arcsec 2000
05 31 14.53 +03 17 31.7
Date first
1822
Date last
2017
Obs
126
Pa first
27
Pa last
26
P.A. Now (θ)
26°
Sep first
2.0
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
5.71
Mag sec
6.74
delta mag (ΔM)
1.03
Spectral class
B1.5V (blue-white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-006
Sec motion dec
-006
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
05312+0318 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 33 Ori 112861 05312+0318 STF 729 AB 1822 2017 126 26 1.8 5.71 6.74 1.03 <===
Show 05312+0318 STF 729 AC 1912 2000 4 52 94.1 5.71 13.90 8.19
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
25.5
Precise sep
1.849
Name
33 Ori
Other name
n1 Ori
Constellation
Orion
SAO
112861
HIP
25861
Tycho2
0118-02925-1
Gaia DR2
71846149120
HD
36351
HR
1842
GC
6823
BD
BD+03 948
Flamsteed
33 Orionis
Flamsteed name
33 Ori
Distance
348.43
Distance ly
1136.58
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
05312+0318 STF 729 AB 2008 116 29 1.9 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2010 118 27 1.8 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2011 120 28 1.9 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2012 129 27 1.8 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2013 124 27 1.9 5.71 6.74 B1.5V N D 053114.53+031731.7
05312+0318 STF 729 AB 2015 125 27 1.9 5.71 6.74 B1.5V N 053114.53+031731.7
05312+0318 STF 729 AB 2017 126 26 1.8 5.71 6.74 B1.5V N 053114.53+031731.7

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