19576+1524 A  1663AB

Coord 2000	19576+1524		Discov num	A  1663		Comp	AB		Coord arcsec 2000	19 57 34.28 +15 24 21.5
Date first	1907		Date last	2016		Obs	33
Pa first	226		Pa last	237		P.A. Now (θ)	237°
Sep first	1.0		Sep last	1.3		Sep. Now (ρ)	1.3"
Mag pri	8.89		Mag sec	9.25		delta mag (ΔM)	0.36		Spectral class	F5 (yellow-white)
Pri motion ra	+007		Sec motion ra	+007
Pri motion dec	+000		Sec motion dec	+000
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		105466	19576+1524	A 1663	AB	1907	2016	33	237	1.3	8.89	9.25	0.36		<===
Show		105466	19576+1524	A 1663	AC	1912	2001	4	104	54.6	8.89	12.00	3.11
Show		105466	19576+1524	WAL 122	AB,D	1944	2001	3	82	44.7	8.30	14.07	5.77

Quadruple system
5 visible stars in this system

Precise pa	237.4		Precise sep	1.298		Constellation	Aquila		SAO	105466
Tycho2	1616-00478-1		HD	189041		last precise pa	237		last precise sep	1.27

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19576+1524	A 1663	AB	2005	42	237	1.3	8.89	9.25	F5		195734.28+152421.5
19576+1524	A 1663	AB	2007	43	237	1.3	8.89	9.25	F5		195734.28+152421.5
19576+1524	A 1663	AB	2009	44	236	1.3	8.89	9.25	F5		195734.28+152421.5
19576+1524	A 1663	AB	2012	32	236	1.3	8.89	9.25	F5		195734.28+152421.5
19576+1524	A 1663	AB	2016	33	237	1.3	8.89	9.25	F5		195734.28+152421.5

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