19557+3443 HLM  33AD

Coord 2000	19557+3443		Discov num	HLM  33		Comp	AD		Coord arcsec 2000	19 55 40.02 +34 42 34.8
Date first	1924		Date last	2012		Obs	5
Pa first	128		Pa last	129		P.A. Now (θ)	129°
Sep first	14.2		Sep last	13.8		Sep. Now (ρ)	13.8"
Mag pri	10.70		Mag sec	13.80		delta mag (ΔM)	3.1		Spectral class	A3 (white)
Pri motion ra	-004		Sec motion ra	+001
Pri motion dec	-010		Sec motion dec	-015
Notes	N (See Notes)

rPM=0.47 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			19557+3443	HLM 33	AB	1894	2012	13	76	12.0	10.70	11.30	0.60
Show			19557+3443	HLM 33	AC	1894	2012	13	292	14.7	10.70	11.80	1.10
Show			19557+3443	HLM 33	AD	1924	2012	5	129	13.8	10.70	13.80	3.10		<===

Quadruple system
4 visible stars in this system

Precise pa	129		Precise sep	13.8		Constellation	Cygnus		last precise pa	129
last precise sep	13.8

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19557+3443	HLM 33	AD	1998	2	130	13.6	10.70			N D	195540.02+344234.8
19557+3443	HLM 33	AD	2002	3	129	13.5	10.70	13.80		N D	195540.02+344234.8
19557+3443	HLM 33	AD	2012	4	129	13.8	10.70	13.80		N D	195540.02+344234.8

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