20262+3547 SEI1125AB

Coord 2000	20262+3547		Discov num	SEI1125		Comp	AB		Coord arcsec 2000	20 26 11.30 +35 47 17.1
Date first	1896		Date last	2015		Obs	11
Pa first	250		Pa last	250		P.A. Now (θ)	250°
Sep first	18.9		Sep last	19.2		Sep. Now (ρ)	19.2"
Mag pri	8.82		Mag sec	12.43		delta mag (ΔM)	3.61		Spectral class	A0 (white)
Pri motion ra	+001		Sec motion ra	+001
Pri motion dec	-003		Sec motion dec	-002
Notes

rPM=0.316 Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		70016	20262+3547	COU2130	Aa,Ab	1982	1992	10	63	0.2	8.96	9.85	0.89
Show		70016	20262+3547	SEI1125	AB	1896	2015	11	250	19.2	8.82	12.43	3.61		<===

Triple system
2 visible stars in this system

Precise pa	250		Precise sep	19.15		Constellation	Cygnus		SAO	70016
HIP	100791		Tycho2	2697-01446-1		Gaia DR2	19787084288		HD	194760
BD	BD+35 4115		Distance	425.53		Distance ly	1388.08

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20262+3547	SEI1125	AB	1999	5	250	19.0	8.70	11.50	A0	D	202611.30+354717.1
20262+3547	SEI1125	AB	2002	6	250	19.1	8.70	11.50	A0	D	202611.30+354717.1
20262+3547	SEI1125	AB	2013	7	248	19.3	8.82	12.43	A0		202611.30+354717.1
20262+3547	SEI1125	AB	2015	11	250	19.2	8.82	12.43	A0		202611.30+354717.1

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