19458+4622 ES 2681AB

Coord 2000	19458+4622		Discov num	ES 2681		Comp	AB		Coord arcsec 2000	19 45 46.56 +46 22 13.9
Date first	1908		Date last	2015		Obs	9
Pa first	164		Pa last	165		P.A. Now (θ)	165°
Sep first	26.7		Sep last	27.2		Sep. Now (ρ)	27.2"
Mag pri	9.53		Mag sec	13.02		delta mag (ΔM)	3.49		Spectral class	K0 (yellow-orange)
Pri motion ra	+002		Sec motion ra	-004
Pri motion dec	+012		Sec motion dec	-003
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.328 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		48809	19458+4622	ES 2681	AB	1908	2015	9	165	27.2	9.53	13.02	3.49		<===
Show		48809	19458+4622	ES 2674	AC	1893	2015	14	312	26.5	9.53	11.46	1.93

Triple system
3 visible stars in this system

Precise pa	164.8		Precise sep	27.189		Constellation	Cygnus		SAO	48809
Tycho2	3557-00928-1		Gaia DR2	38888100736

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19458+4622	ES 2681	AB	1998	2	165	27.0	9.53	12.80	K0	D	194546.56+462213.9
19458+4622	ES 2681	AB	2007	3	165	27.1	9.53	12.80	K0	N D	194546.56+462213.9
19458+4622	ES 2681	AB	2015	5	165	27.2	9.53	13.02	K0	N	194546.56+462213.9

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