11347+1648 STF1552AB (90 Leo)

 
 
11h 34m 42.50s +16 47' 48.9" P.A. 209 sep 3.5 mag 6.26,7.31 Sp B4V+B9V dist. 581.4 pc (1896.53 l.y.)
 
 
Coord 2000
11347+1648
Discov num
STF1552
Comp
AB
Coord arcsec 2000
11 34 42.50 +16 47 48.9
Date first
1782
Date last
2016
Obs
200
Pa first
209
Pa last
209
P.A. Now (θ)
209°
Sep first
3.0
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
6.26
Mag sec
7.31
delta mag (ΔM)
1.05
Spectral class
B4V+B9V (blue-white/blue-white)
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
-001
Sec motion dec
-001
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
11347+1648 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 90 Leo 99673 11347+1648 STF1552 AB 1782 2016 200 209 3.5 6.26 7.31 1.05 <===
Show 99673 11347+1648 STF1552 AC 1782 2015 51 235 63.0 6.26 9.77 3.51
Show 99673 11347+1648 STF1552 BC 1822 2014 39 236 59.9 7.31 9.77 2.46
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
208.6
Precise sep
3.534
Name
90 Leo
Constellation
Leo
SAO
99673
HIP
56473
Tycho2
1438-02840-1
HD
100600
HR
4456
GC
15874
BD
BD+17 2374
Flamsteed
90 Leonis
Flamsteed name
90 Leo
Distance
581.4
Distance ly
1896.53
last precise pa
208.1
last precise sep
3.524
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11347+1648 STF1552 AB 2007 188 208 3.5 6.26 7.31 B4V+B9V N D 113442.50+164748.9
11347+1648 STF1552 AB 2009 193 209 3.5 6.26 7.31 B4V+B9V N D 113442.50+164748.9
11347+1648 STF1552 AB 2011 194 208 3.4 6.26 7.31 B4V B9V N D 113442.50+164748.9
11347+1648 STF1552 AB 2013 196 208 3.5 6.26 7.31 B4V B9V N D 113442.50+164748.9
11347+1648 STF1552 AB 2014 196 208 3.5 6.26 7.31 B4V B9V N D 113442.50+164748.9
11347+1648 STF1552 AB 2015 197 209 3.4 6.26 7.31 B4V+B9V N 113442.50+164748.9
11347+1648 STF1552 AB 2016 200 209 3.5 6.26 7.31 B4V+B9V N 113442.50+164748.9

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