11347+1648 STF1552BC

 
 
11h 34m 42.40s +16 47' 46.2" P.A. 236 sep 59.9 mag 7.31,9.77 Sp B4V dist. 581.4 pc (1896.53 l.y.)
 
 
Coord 2000
11347+1648
Discov num
STF1552
Comp
BC
Coord arcsec 2000
11 34 42.40 +16 47 46.2
Date first
1822
Date last
2014
Obs
39
Pa first
235
Pa last
236
P.A. Now (θ)
236°
Sep first
56.7
Sep last
59.9
Sep. Now (ρ)
59.9"
Mag pri
7.31
Mag sec
9.77
delta mag (ΔM)
2.46
Spectral class
B4V (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 2017 201 208 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
 
 
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
236.4
last precise sep
59.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11347+1648 STF1552 BC 2004 34 237 59.2 7.40 8.80 N D 113442.40+164746.2
11347+1648 STF1552 BC 2008 35 236 59.2 7.40 8.80 N D 113442.40+164746.2
11347+1648 STF1552 BC 2014 39 236 59.9 7.31 9.77 B4V N 113442.40+164746.2

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