17559+3326 HO 72 BD

17^h 55^m 49.98^s +33° 25' 44.6" P.A. 56.00 sep 134.4 mag 12.90,13.20 Sp K7

Coord 2000	17559+3326		Discov num	HO 72		Comp	BD		Coord arcsec 2000	17 55 49.98 +33 25 44.6
Date first	1911		Date last	2015		Obs	11
Pa first	56		Pa last	56		P.A. Now (θ)	56°
Sep first	134.2		Sep last	134.447		Sep. Now (ρ)	134.447"
Mag pri	12.90		Mag sec	13.20		delta mag (ΔM)	0.3		Spectral class	K7 (yellow-orange)
Pri motion ra	-008		Sec motion ra
Pri motion dec	-003		Sec motion dec
Notes

Nature of this double is uncertain.

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

Gaia DR2

4604269610637585024