19407+2911 SLE 665AB

Coord 2000	19407+2911		Discov num	SLE 665		Comp	AB		Coord arcsec 2000	19 40 43.27 +29 11 07.3
Date first	1984		Date last	2015		Obs	9
Pa first	280		Pa last	283		P.A. Now (θ)	283°
Sep first	7.4		Sep last	7.2		Sep. Now (ρ)	7.2"
Mag pri	12.50		Mag sec	12.60		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-008		Sec motion ra	-114
Pri motion dec	-012		Sec motion dec	+038
Notes

rPM=0.975 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 40 43 +29 11 07	SLE 665 AB	2015	9	283	7.2	12.50	12.60	0.10		<===
Show			19 40 43 +29 11 07	SLE 665 AC	2015	11	50	11.2	12.50	13.10	0.60

Triple system
3 visible stars in this system

Precise pa	283		Precise sep	7.162		Constellation	Cygnus		Tycho2	2151-05196-1
Gaia DR2	2031625363364243712

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19407+2911	SLE 665	AB	1984	1	280	7.4	10.92	12.50			194039.71+291039.2
19407+2911	SLE 665	AB	2010	2	282	7.3	12.50	12.60			194043.27+291107.3
19407+2911	SLE 665	AB	2015	5	283	7.1	12.50	12.60			194043.27+291107.3

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