20228+5325 STF2681AB

Coord 2000	20228+5325		Discov num	STF2681		Comp	AB		Coord arcsec 2000	20 22 49.54 +53 25 02.8
Date first	1831		Date last	2015		Obs	25
Pa first	42		Pa last	39		P.A. Now (θ)	39°
Sep first	6.6		Sep last	6.8		Sep. Now (ρ)	6.8"
Mag pri	7.97		Mag sec	10.61		delta mag (ΔM)	2.64		Spectral class	A0V (white)
Pri motion ra	+013		Sec motion ra	+010
Pri motion dec	+018		Sec motion dec	+018
Notes

rPM=0.135 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		32516	20228+5325	STF2681	AB	1831	2015	25	39	6.8	7.97	10.61	2.64		<===
Show		32516	20228+5325	STF2681	AC	1831	2015	31	199	38.2	7.97	8.89	0.92
Show		32516	20228+5325	STF2681	AD	1842	2015	15	166	42.0	7.97	11.80	3.83
Show		32515	20228+5325	STF2681	CD	1830	2015	21	101	23.3	8.89	11.80	2.91

Quadruple system
4 visible stars in this system

Precise pa	39		Precise sep	6.801		Constellation	Cygnus		SAO	32516
HIP	100507		Tycho2	3937-00396-1		Gaia DR2	84003227136		HD	194354
BD	BD+52 2694		Distance	448.43		Distance ly	1462.78

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20228+5325	STF2681	AB	1999	18	39	6.7	7.97	10.61	A0V	D	202249.54+532502.8
20228+5325	STF2681	AB	2003	19	38	6.9	7.97	10.61	A0V	D	202249.54+532502.8
20228+5325	STF2681	AB	2013	20	41	7.2	7.97	10.61	A0V		202249.54+532502.8
20228+5325	STF2681	AB	2015	21	39	6.8	7.97	10.61	A0V		202249.54+532502.8

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