17317+1111 AG 354 (HD 158957)

17^h 31^m 41.29^s +11° 10' 53.9" P.A. 55.00 sep 2.8 mag 9.53,9.92 Sp G5

Coord 2000	17317+1111	Discov num	AG 354	Comp		Coord arcsec 2000	17 31 41.29 +11 10 53.9
Date first	1894	Date last	2017	Obs	47
Pa first	54	Pa last	54.9	P.A. Now (θ)	54.9°
Sep first	2.3	Sep last	2.751	Sep. Now (ρ)	2.751"
Mag pri	9.53	Mag sec	9.92	delta mag (ΔM)	0.39	Spectral class	G5 (yellow)
Pri motion ra	+054	Sec motion ra	+057
Pri motion dec	-017	Sec motion dec	-015
Notes	N T (See Notes, Parallax indicates physical)

rPM=0.061 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 158957		Constellation	Ophiuchus		Tycho2	0996-00221-1		Gaia DR2	4493494123377428352
HD	158957