20229+4243 A   289AC

Coord 2000	20229+4243		Discov num	A   289		Comp	AC		Coord arcsec 2000	20 22 51.41 +42 43 16.0
Date first	1892		Date last	2019		Obs	10
Pa first	349		Pa last	351		P.A. Now (θ)	351°
Sep first	72.4		Sep last	70.5		Sep. Now (ρ)	70.5"
Mag pri	8.69		Mag sec	10.47		delta mag (ΔM)	1.78		Spectral class	A (white)
Pri motion ra	+001		Sec motion ra	+036
Pri motion dec	+004		Sec motion dec	-010
Notes

rPM=1.009 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		49547	20 22 51 +42 43 16	A 289 AB	2019	13	155	3.9	8.69	11.40	2.71
Show		49547	20 22 51 +42 43 16	A 289 AC	2019	10	351	70.5	8.69	10.47	1.78		<===

Triple system
3 visible stars in this system

Precise pa	351.2		Precise sep	70.468		Constellation	Cygnus		SAO	49547
Tycho2	3160-01706-1		Gaia DR2	2069123481516192384		HD	194240

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20229+4243	A 289	AC	2004	8	351	70.1	8.69	10.47	A	D	202251.41+424316.0
20229+4243	A 289	AC	2019	10	351	70.5	8.69	10.47	A		202251.41+424316.0

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