20192+3647 SEI1081AB

Coord 2000	20192+3647		Discov num	SEI1081		Comp	AB		Coord arcsec 2000	20 19 10.78 +36 46 23.9
Date first	1896		Date last	2015		Obs	12
Pa first	229		Pa last	231		P.A. Now (θ)	231°
Sep first	19.6		Sep last	18.0		Sep. Now (ρ)	18"
Mag pri	10.20		Mag sec	11.00		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	-005		Sec motion ra	+004
Pri motion dec	-005		Sec motion dec	+009
Notes

rPM=1.69 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69822	20 19 11 +36 46 24	SEI 1081 AB	2015	12	231	18.0	10.20	11.00	0.80		<===
Show		69822	20 19 10 +36 46 12	TOB 184 BC	2015	12	170	23.9	11.00	12.20	1.20

Triple system
3 visible stars in this system

Precise pa	231.2		Precise sep	17.959		Constellation	Cygnus		SAO	69822
Gaia DR2	2057546830970089344

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20192+3647	SEI1081	AB	2000	5	231	18.2	10.00	10.80		D	201910.78+364623.9
20192+3647	SEI1081	AB	2008	6	232	18.1	10.00	10.80		D	201910.78+364623.9
20192+3647	SEI1081	AB	2015	8	231	18.0	10.20	11.00			201910.78+364623.9

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