17593-0651 STF2250AB

 
 
17h 59m 18.09s -06 51' 21.2" P.A. 344 sep 7.8 mag 8.79,9.24 Sp B9 dist. 645.16 pc (2104.51 l.y.)
 
 
Coord 2000
17593-0651
Discov num
STF2250
Comp
AB
Coord arcsec 2000
17 59 18.09 -06 51 21.2
Date first
1830
Date last
2013
Obs
32
Pa first
347
Pa last
344
P.A. Now (θ)
344°
Sep first
8.6
Sep last
7.8
Sep. Now (ρ)
7.8"
Mag pri
8.79
Mag sec
9.24
delta mag (ΔM)
0.45
Spectral class
B9 (blue-white)
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-008
Sec motion dec
-010
Notes
N (See Notes)
rPM=0.179 (< 0.3, Physical double)
This double is physical.
 
 
17593-0651 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17593-0651 STF2250 AB 1830 2013 32 344 7.8 8.79 9.24 0.45 <===
Show 17593-0651 SIN 106 AC 1987 2000 3 93 45.1 8.79 14.21 5.42
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
343.6
Precise sep
7.79
Constellation
Ophiuchus
HIP
88078
Tycho2
5095-00443-1
HD
163998
BD
BD-06 4689
Distance
645.16
Distance ly
2104.51
last precise pa
343.4
last precise sep
7.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17593-0651 STF2250 AB 2005 27 344 7.8 8.79 9.24 B9 N D 175918.09-065121.2
17593-0651 STF2250 AB 2011 29 344 7.8 8.79 9.24 B9 N D 175918.09-065121.2
17593-0651 STF2250 AB 2013 31 344 7.8 8.79 9.24 B9 N 175918.09-065121.2

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