19576+1524 WAL 122AB,D

Coord 2000	19576+1524		Discov num	WAL 122		Comp	AB,D		Coord arcsec 2000	19 57 34.28 +15 24 21.5
Date first	1944		Date last	2001		Obs	3
Pa first	80		Pa last	82		P.A. Now (θ)	82°
Sep first	45.0		Sep last	44.7		Sep. Now (ρ)	44.7"
Mag pri	8.30		Mag sec	14.07		delta mag (ΔM)	5.77		Spectral class	F5 (yellow-white)
Pri motion ra	+011		Sec motion ra
Pri motion dec	+005		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		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	82.4		Precise sep	44.667		Constellation	Aquila		SAO	105466
Tycho2	1616-00478-1		HD	189041		last precise pa	82.4		last precise sep	44.667

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19576+1524	WAL 122	AB,D	1997	2	82	44.6	8.30	13.00		D	195734.28+152421.5
19576+1524	WAL 122	AB,D	2001	3	82	44.7	8.30	13.00		D	195734.28+152421.5

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