19480+3513 BU 1473AB

Coord 2000	19480+3513		Discov num	BU 1473		Comp	AB		Coord arcsec 2000	19 48 07.46 +35 12 28.7
Date first	1941		Date last	2018		Obs	9
Pa first	10		Pa last	17		P.A. Now (θ)	17°
Sep first	1.0		Sep last	1.4		Sep. Now (ρ)	1.4"
Mag pri	11.40		Mag sec	11.38		delta mag (ΔM)	0.02		Spectral class
Pri motion ra	+009		Sec motion ra	+009
Pri motion dec	+004		Sec motion dec	+004
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68877	19 48 07 +35 12 29	BU 1473 AB	2018	9	17	1.4	11.40	11.38	0.02		<===
Show		68877	19 48 07 +35 12 29	SEI 684 AC	2018	14	235	26.1	11.40	10.74	0.66

Triple system
3 visible stars in this system

Precise pa	16.9		Precise sep	1.369		Constellation	Cygnus		SAO	68877
Tycho2	2677-00763-1		Gaia DR2	2047518288517260800

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19480+3513	BU 1473	AB	1991	5	25	0.9	11.40	11.38			194807.46+351228.7
19480+3513	BU 1473	AB	2016	6	16	1.0	11.40	11.38			194807.46+351228.7
19480+3513	BU 1473	AB	2018	8	17	1.4	11.40	11.38			194807.46+351228.7

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