19469+3204 BU  147AB

Coord 2000	19469+3204		Discov num	BU  147		Comp	AB		Coord arcsec 2000	19 46 54.49 +32 04 23.2
Date first	1873		Date last	2014		Obs	22
Pa first	285		Pa last	288		P.A. Now (θ)	288°
Sep first	6.0		Sep last	13.3		Sep. Now (ρ)	13.3"
Mag pri	10.24		Mag sec	12.10		delta mag (ΔM)	1.86		Spectral class	A2 (white)
Pri motion ra	-000		Sec motion ra
Pri motion dec	+002		Sec motion dec
Notes	N (See Notes)

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		68843	19469+3204	BU 147	AB	1873	2014	22	288	13.3	10.24	12.10	1.86		<===
Show		68843	19469+3204	WAL 120	AC	1944	2015	6	242	31.2	10.24	12.89	2.65

Triple system
3 visible stars in this system

Precise pa	287.8		Precise sep	13.269		Constellation	Cygnus		SAO	68843
Tycho2	2660-01102-1		Gaia DR2	17296715136		HD	331279

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19469+3204	BU 147	AB	1998	13	281	10.3	10.24	12.10	A2	D	194654.49+320423.2
19469+3204	BU 147	AB	2014	22	288	13.3	10.24	12.10	A2	N	194654.49+320423.2

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