19572+4014 KOI 641AB

Coord 2000	19572+4014		Discov num	KOI 641		Comp	AB		Coord arcsec 2000	19 57 11.88 +40 14 06.4
Date first	2010		Date last	2016		Obs	6
Pa first	277		Pa last	277		P.A. Now (θ)	277°
Sep first	2.2		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	13.25		Mag sec	14.90		delta mag (ΔM)	1.65		Spectral class	K7+M3 (yellow-orange/red)
Pri motion ra	+014		Sec motion ra
Pri motion dec	+019		Sec motion dec
Notes	R (Red magnitudes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		49001	19 57 12 +40 14 06	KOI 641 AB	2016	6	277	2.2	13.25	14.90	1.65		<===
Show		49001	19 57 12 +40 14 06	KOI 641 AC	2015	7	206	3.7	13.25	13.38	0.13

Triple system
3 visible stars in this system

Precise pa	276.8		Precise sep	2.246		Constellation	Cygnus		SAO	49001
Tycho2	3141-03271-1		Gaia DR2	2073534657762565632

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19572+4014	KOI 641	AB	2011	1	277	2.2	13.25	14.90	K7 M3	R	195711.88+401406.4
19572+4014	KOI 641	AB	2013	2	278	2.1	13.25	14.90	K7+M3	R	195711.88+401406.4
19572+4014	KOI 641	AB	2015	5	277	2.2	13.25	14.90	K7+M3	R	195711.88+401406.4

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