20054+5807 ARG 106AB

Coord 2000	20054+5807		Discov num	ARG 106		Comp	AB		Coord arcsec 2000	20 05 22.55 +58 07 21.5
Date first	1904		Date last	2018		Obs	23
Pa first	180		Pa last	178		P.A. Now (θ)	178°
Sep first	31.1		Sep last	30.0		Sep. Now (ρ)	30"
Mag pri	9.76		Mag sec	10.32		delta mag (ΔM)	0.56		Spectral class	F8 (yellow-white)
Pri motion ra	+011		Sec motion ra	+011
Pri motion dec	+002		Sec motion dec	+011
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.579 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		32281	20054+5807	ARG 106	AB	1904	2018	23	178	30.0	9.76	10.32	0.56		<===
Show		32281	20054+5807	A 866	Ba,Bb	1904	1981	4	186	0.5	10.90	11.30	0.40

Triple system
2 visible stars in this system

Precise pa	178		Precise sep	30		Constellation	Cygnus		SAO	32281
Tycho2	3944-01001-1		Gaia DR2	11137770624		HD	239318

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20054+5807	ARG 106	AB	2015	18	179	29.9	9.76	10.32	F8	N	200522.55+580721.5
20054+5807	ARG 106	AB	2018	19	178	30.0	9.76	10.32	F8	N	200522.55+580721.5

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