17159-1330 HDS 2441 (HD 156057)

 
 
17h 15m 56.29s -13° 29' 39.0" P.A. 236.00 sep 12.6 mag 9.63,11.74 Sp B9.5V dist. 862.07 pc (2812.07 l.y.)
 
 
Coord 2000 17159-1330 Discov num HDS2441 Comp Coord arcsec 2000 17 15 56.29 -13 29 39.0
Date first 1907 Date last 2016 Obs 11
Pa first 236 Pa last 235.5 P.A. Now (θ) 235.5°
Sep first 12.5 Sep last 12.583 Sep. Now (ρ) 12.583"
Mag pri 9.63 Mag sec 11.74 delta mag (ΔM) 2.11 Spectral class B9.5V (blue-white)
Pri motion ra +003 Sec motion ra +004
Pri motion dec -003 Sec motion dec -003
Notes
rPM=0.2 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156057 Constellation Ophiuchus SAO 160409 HIP 84451
Tycho2 5657-00403-1 Gaia DR2 4141181392063068288 HD 156057 BD BD-13 4577
Distance 862.07 Distance ly 2812.07