19579+2715 AC   16AB

Coord 2000	19579+2715		Discov num	AC   16		Comp	AB		Coord arcsec 2000	19 57 54.45 +27 15 07.3
Date first	1859		Date last	1996		Obs	56
Pa first	234		Pa last	237		P.A. Now (θ)	237°
Sep first	0.4		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	7.81		Mag sec	9.17		delta mag (ΔM)	1.36		Spectral class	A0 (white)
Pri motion ra	+000		Sec motion ra	+000
Pri motion dec	-012		Sec motion dec	-012
Notes	N (See 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		87988	19579+2715	AC 16	AB	1859	1996	56	237	0.4	7.81	9.17	1.36		<===
Show		87988	19579+2715	AC 16	AC	1875	2015	24	136	92.9	7.81	7.97	0.16

Triple system
3 visible stars in this system

Precise pa	237.3		Precise sep	0.38		Constellation	Vulpecula		SAO	87988
HIP	98248		Tycho2	2149-01062-1		HD	189214		BD	BD+26 3744
Distance	462.96		Distance ly	1510.18		last precise pa	237.3		last precise sep	0.38

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19579+2715	AC 16	AB	1996	62	237	0.4	7.81	9.17	A0	D	195754.45+271507.3

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