17199-1745 BU 126 AB (HD 156717)

 
 
17h 19m 53.35s -17° 45' 23.3" P.A. 265.00 sep 2.4 mag 6.34,7.56 Sp A2Vnn dist. 115.21 pc (375.82 l.y.)
 
 
Coord 2000 17199-1745 Discov num BU  126 Comp AB Coord arcsec 2000 17 19 53.35 -17 45 23.3
Date first 1873 Date last 2016 Obs 70
Pa first 250 Pa last 264.7 P.A. Now (θ) 264.7°
Sep first 1.8 Sep last 2.399 Sep. Now (ρ) 2.399"
Mag pri 6.34 Mag sec 7.56 delta mag (ΔM) 1.22 Spectral class A2Vnn (white)
Pri motion ra +005 Sec motion ra
Pri motion dec -024 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17199-1745 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156717 160462 17 19 53 -17 45 23 BU 126 AB 2016 70 265 2.4 6.34 7.56 1.22 <===
Show 160462 17 19 53 -17 45 23 BU 126 AC 2015 13 141 11.5 6.34 11.20 4.86
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156717 Constellation Ophiuchus SAO 160462 HIP 84792
Tycho2 6237-03261-1 Gaia DR2 4134893727444397696 HD 156717 HR 6435
GC 23396 ADS 10465 BD BD-17 4773 Distance 115.21
Distance ly 375.82