20157+5014 CHR  93

Coord 2000	20157+5014		Discov num	CHR  93		Comp			Coord arcsec 2000	20 15 43.24 +50 13 58.3
Date first	1985		Date last	1991		Obs	8
Pa first	194		Pa last	173		P.A. Now (θ)	173°
Sep first	0.2		Sep last	0.1		Sep. Now (ρ)	0.1"
Mag pri	6.31		Mag sec			delta mag (ΔM)			Spectral class	A2V (white)
Pri motion ra	+011		Sec motion ra
Pri motion dec	+019		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	172.6		Precise sep	0.107		Constellation	Cygnus		SAO	32400
HIP	99870		Tycho2	3580-00876-1		Gaia DR2	02404054528		HD	192983
HR	7755		BD	BD+49 3236		Distance	111.23		Distance ly	362.83

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20157+5014	CHR 93		1991	8	173	0.1	6.31		A2V		201543.24+501358.3

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