19401+1801 WAL 118AD

Coord 2000	19401+1801		Discov num	WAL 118		Comp	AD		Coord arcsec 2000	19 40 05.78 +18 00 50.2
Date first	1897		Date last	2013		Obs	7
Pa first	149		Pa last	148		P.A. Now (θ)	148°
Sep first	85.8		Sep last	82.6		Sep. Now (ρ)	82.6"
Mag pri	4.37		Mag sec	11.21		delta mag (ΔM)	6.84		Spectral class	G1III (yellow)
Pri motion ra	+015		Sec motion ra	+015
Pri motion dec	-020		Sec motion dec	+018
Notes	N (See Notes)

rPM=1.52 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Sham	105120	19401+1801	J 121	AB	1910	2015	11	180	28.9	4.37	13.20	8.83
Show			19401+1801	J 121	AC	1910	2013	5	244	35.4	4.37	14.90	10.53
Show			19401+1801	WAL 118	AD	1897	2013	7	148	82.6	4.37	11.21	6.84		<===

Quadruple system
4 visible stars in this system

Precise pa	147.7		Precise sep	82.64		Cdsa2 id	WAL 118 AD		Constellation	Sagitta
Ra deg	19.668272222222225		De deg	18.013944444444444		last precise pa	147.7		last precise sep	82.64

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19401+1801	WAL 118	AD	1997	3	148	83.4	4.37	11.21	G1III	D	194005.78+180050.2
19401+1801	WAL 118	AD	2009	4	148	82.5	4.37	11.21	G1III	N D	194005.78+180050.2
19401+1801	WAL 118	AD	2013	6	149	82.5	4.37	11.21	G1III	N	194005.78+180050.2

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