17559+3326 HO 72 AB

17^h 55^m 50.03^s +33° 25' 14.3" P.A. 359.00 sep 33.4 mag 10.20,12.90 Sp K7 dist. 25.39 pc (82.82 l.y.)

Coord 2000	17559+3326		Discov num	HO 72		Comp	AB		Coord arcsec 2000	17 55 50.03 +33 25 14.3
Date first	1885		Date last	2015		Obs	23
Pa first	8		Pa last	358.6		P.A. Now (θ)	358.6°
Sep first	3.2		Sep last	33.419		Sep. Now (ρ)	33.419"
Mag pri	10.20		Mag sec	12.90		delta mag (ΔM)	2.7		Spectral class	K7 (yellow-orange)
Pri motion ra	+012		Sec motion ra	-008
Pri motion dec	-231		Sec motion dec	-002
Notes	L (Linear solution)

rPM=0.994

This double is not physical.

17559+3326 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			17 55 50 +33 25 14	HO 72 AB	2015	23	359	33.4	10.20	12.90	2.70		<===
Show			17 55 50 +33 25 14	HO 72 AC	2016	20	37	10.6	10.20	14.40	4.20
Show			17 55 50 +33 25 14	HO 72 AD	2002	4	45	153.4	10.20	13.20	3.00
Show			17 55 50 +33 25 45	HO 72 BC	2003	11	162	23.0	12.90	14.40	1.50
Show			17 55 50 +33 25 45	HO 72 BD	2015	11	56	134.4	12.90	13.20	0.30

Quadruple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation	Hercules		HIP	87773		Gaia DR2	4604269610637580928		BD	BD+33 2990
Distance	25.39		Distance ly	82.82