20099+5657 ES  132AC

Coord 2000	20099+5657		Discov num	ES  132		Comp	AC		Coord arcsec 2000	20 09 51.36 +56 57 13.6
Date first	1902		Date last	2015		Obs	37
Pa first	61		Pa last	63		P.A. Now (θ)	63°
Sep first	37.8		Sep last	32.9		Sep. Now (ρ)	32.9"
Mag pri	9.48		Mag sec	9.68		delta mag (ΔM)	0.2		Spectral class	F8 (yellow-white)
Pri motion ra	+033		Sec motion ra	-001
Pri motion dec	+040		Sec motion dec	+000
Notes

rPM=1.012 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20099+5657	ES 132	AB	1902	2015	38	83	5.5	9.48	9.82	0.34
Show			20099+5657	ES 132	AC	1902	2015	37	63	32.9	9.48	9.68	0.20		<===
Show			20099+5657	ES 132	BC	1902	2015	30	59	27.8	9.82	9.68	0.14

Triple system
3 visible stars in this system

Precise pa	62.9		Precise sep	32.877		Constellation	Cygnus		SAO	32330
Tycho2	3944-01820-1		Gaia DR2	36426316032		HD	239339

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20099+5657	ES 132	AC	2008	27	62	33.0	9.48	9.68		D	200951.36+565713.6
20099+5657	ES 132	AC	2010	28	63	33.2	9.48	9.68		D	200951.36+565713.6
20099+5657	ES 132	AC	2015	37	63	32.9	9.48	9.68	F8		200951.36+565713.6

If you need more information about this double, apply for a data request form to the WDS.