17208-4240 I 410 (HD 156661)

 
 
17h 20m 48.77s -42° 39' 30.1" P.A. 279.00 sep 2.9 mag 8.31,10.25 Sp F8V dist. 56.72 pc (185.02 l.y.)
 
 
Coord 2000 17208-4240 Discov num I   410 Comp Coord arcsec 2000 17 20 48.77 -42 39 30.1
Date first 1902 Date last 2017 Obs 13
Pa first 285 Pa last 278.7 P.A. Now (θ) 278.7°
Sep first 2.8 Sep last 2.946 Sep. Now (ρ) 2.946"
Mag pri 8.31 Mag sec 10.25 delta mag (ΔM) 1.94 Spectral class F8V (yellow-white)
Pri motion ra +035 Sec motion ra +015
Pri motion dec +010 Sec motion dec +012
Notes
rPM=0.552
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156661 Constellation Scorpius SAO 227845 HIP 84879
Tycho2 7891-00041-1 Gaia DR2 5959478126358758016 HD 156661 CD CD-4212051
CP CP-42 7731 Distance 56.72 Distance ly 185.02