19583+3333 HO  582AB

Coord 2000	19583+3333		Discov num	HO  582		Comp	AB		Coord arcsec 2000	19 58 18.39 +33 33 08.8
Date first	1895		Date last	2007		Obs	15
Pa first	140		Pa last	313		P.A. Now (θ)	313°
Sep first	0.3		Sep last	0.6		Sep. Now (ρ)	0.6"
Mag pri	9.98		Mag sec	10.05		delta mag (ΔM)	0.07		Spectral class	A0 (white)
Pri motion ra	+004		Sec motion ra
Pri motion dec	+001		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19583+3333	HO 582	AB	1895	2007	15	313	0.6	9.98	10.05	0.07		<===
Show			19583+3333	HO 582	AC	1895	2002	7	191	8.7	9.98	13.10	3.12
Show			19583+3333	WAL 123	AB,D	1933	2002	5	259	38.6	9.98	13.69	3.71

Quadruple system
5 visible stars in this system

Precise pa	313.4		Precise sep	0.579		Constellation	Cygnus		Tycho2	2674-00738-1
HD	189336		last precise pa	313.4		last precise sep	0.579

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19583+3333	HO 582	AB	1996	14	314	0.6	9.98	10.05	A0		195818.39+333308.8
19583+3333	HO 582	AB	2007	15	313	0.6	9.98	10.05	A0		195818.39+333308.8

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