19477+5707 TDT1757

Coord 2000	19477+5707		Discov num	TDT1757		Comp			Coord arcsec 2000	19 47 39.47 +57 06 31.8
Date first	1991		Date last	1991		Obs	1
Pa first	252		Pa last	252		P.A. Now (θ)	252°
Sep first	0.7		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	11.09		Mag sec	11.71		delta mag (ΔM)	0.62		Spectral class
Pri motion ra	+023		Sec motion ra	+023
Pri motion dec	+081		Sec motion dec	+081
Notes

Nature of this double is uncertain.

Precise pa	252.2		Precise sep	0.73		Constellation	Cygnus		SAO	31999
Tycho2	3943-02044-1		Gaia DR2	74410543360

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19477+5707	TDT1757		1991	1	252	0.7	11.09	11.71			194739.47+570631.8

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