20256+4155 ARG  92AB

Coord 2000	20256+4155		Discov num	ARG  92		Comp	AB		Coord arcsec 2000	20 25 36.16 +41 54 35.9
Date first	1892		Date last	2018		Obs	16
Pa first	312		Pa last	309		P.A. Now (θ)	309°
Sep first	41.0		Sep last	41.7		Sep. Now (ρ)	41.7"
Mag pri	9.71		Mag sec	10.52		delta mag (ΔM)	0.81		Spectral class	A5 (white)
Pri motion ra	+016		Sec motion ra	+002
Pri motion dec	+013		Sec motion dec	+005
Notes	W

Visually invisible, K-band or other infrared star rPM=0.782 Nature of this double is uncertain.

Precise pa	308.6		Precise sep	41.728		Constellation	Cygnus		SAO	49604
Tycho2	3160-01538-1

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20256+4155	ARG 92	AB	2018	16	309	41.7	9.71	10.52	A5	W	202536.16+415435.9

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