17498-3623 B 922 AB (HD 161910)

17^h 49^m 49.95^s -36° 23' 00.2" P.A. 121.00 sep 0.9 mag 10.18,10.89 Sp F2V

Coord 2000	17498-3623		Discov num	B 922		Comp	AB		Coord arcsec 2000	17 49 49.95 -36 23 00.2
Date first	1927		Date last	2016		Obs	4
Pa first	125		Pa last	120.6		P.A. Now (θ)	120.6°
Sep first	1.0		Sep last	0.887		Sep. Now (ρ)	0.887"
Mag pri	10.18		Mag sec	10.89		delta mag (ΔM)	0.71		Spectral class	F2V (yellow-white)
Pri motion ra	+012		Sec motion ra	+015
Pri motion dec	+000		Sec motion dec	+003
Notes

rPM=0.277 (< 0.3, Physical double)

This double is physical.

17498-3623 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 161910		17 49 50 -36 23 00	B 922 AB	2016	4	121	0.9	10.18	10.89	0.71		<===
Show			17 49 50 -36 23 00	B 922 AC	2015	10	158	4.9	10.18	10.60	0.42

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 161910		Constellation	Scorpius		Tycho2	7389-01357-1		Gaia DR2	4040207909448706304
HD	161910