20235+3540 SEI1109AB

Coord 2000	20235+3540		Discov num	SEI1109		Comp	AB		Coord arcsec 2000	20 23 30.30 +35 39 45.0
Date first	1896		Date last	2015		Obs	12
Pa first	108		Pa last	111		P.A. Now (θ)	111°
Sep first	27.0		Sep last	27.6		Sep. Now (ρ)	27.6"
Mag pri	11.62		Mag sec	11.98		delta mag (ΔM)	0.36		Spectral class
Pri motion ra	+008		Sec motion ra	+008
Pri motion dec	+007		Sec motion dec	-007
Notes

rPM=1.317 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69934	20 23 30 +35 39 45	SEI 1109 AB	2015	12	111	27.6	11.62	11.98	0.36		<===
Show			20 23 32 +35 39 36	FYM 176 BC	2015	5	34	8.4	12.00	12.60	0.60

Triple system
3 visible stars in this system

Precise pa	110.7		Precise sep	27.588		Constellation	Cygnus		SAO	69934
Tycho2	2684-00439-1		Gaia DR2	2057194948585182208

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20235+3540	SEI1109	AB	2013	7	110	27.6	11.62	11.98			202330.31+353945.1
20235+3540	SEI1109	AB	2015	8	111	27.6	11.62	11.98			202330.30+353945.0

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