19321+2816 BU  652AB

Coord 2000	19321+2816		Discov num	BU  652		Comp	AB		Coord arcsec 2000	19 32 05.91 +28 16 00.3
Date first	1878		Date last	2012		Obs	10
Pa first	331		Pa last	305		P.A. Now (θ)	305°
Sep first	4.8		Sep last	5.4		Sep. Now (ρ)	5.4"
Mag pri	7.67		Mag sec	13.30		delta mag (ΔM)	5.63		Spectral class	A0 (white)
Pri motion ra	+002		Sec motion ra
Pri motion dec	-019		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			19321+2816	BU 652	AB	1878	2012	10	305	5.4	7.67	13.30	5.63		<===
Show			19321+2816	STF2539	AC	1783	2012	35	2	5.4	7.67	9.78	2.11
Show			19321+2816	FOX 242	AD	1874	2012	10	242	56.9	7.67	12.02	4.35
Show			19321+2816	STF2539	BC	1879	2002	7	64	5.2	13.30	9.78	3.52
Show			19321+2816	FOX 242	DE	1913	2002	4	230	6.6	11.30	13.30	2.00

Quintuple system
5 visible stars in this system

Precise pa	305		Precise sep	5.4		Cdsa2 id	BU 652 AB		Constellation	Cygnus
Ra deg	19.534975000000003		De deg	28.26675		last precise pa	305		last precise sep	5.4

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19321+2816	BU 652	AB	2002	9	305	5.4	7.67	12.70	A0	D	193205.91+281600.5
19321+2816	BU 652	AB	2012	10	305	5.4	7.67	13.30	A0	N D	193205.91+281600.5

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