17012-2026 HJ 4911 AB (HD 153609)

17^h 01^m 14.88^s -20° 26' 11.9" P.A. 176.00 sep 96.1 mag 7.36,12.23 Sp B7/8V dist. 381.68 pc (1245.04 l.y.)

Coord 2000	17012-2026		Discov num	HJ 4911		Comp	AB		Coord arcsec 2000	17 01 14.88 -20 26 11.9
Date first	1909		Date last	2015		Obs	4
Pa first	177		Pa last	175.7		P.A. Now (θ)	175.7°
Sep first	98.7		Sep last	96.103		Sep. Now (ρ)	96.103"
Mag pri	7.36		Mag sec	12.23		delta mag (ΔM)	4.87		Spectral class	B7/8V (blue-white)
Pri motion ra	-004		Sec motion ra	-006
Pri motion dec	-008		Sec motion dec	-008
Notes

rPM=0.2 (< 0.3, Physical double)

This double is physical.

17012-2026 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 153609	184922	17 01 15 -20 26 12	HJ 4911 AB	2015	4	176	96.1	7.36	12.23	4.87		<===
Show		184922	17 01 15 -20 26 12	HJ 4911 AC	2015	2	13	11.2	7.36	12.00	4.64

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Name	HD 153609		Constellation	Ophiuchus		SAO	184922		HIP	83286
Tycho2	6227-02830-1		Gaia DR2	4127949766072219392		HD	153609		GC	22931
BD	BD-20 4606		Distance	381.68		Distance ly	1245.04