20057+4812 TDT1966

Coord 2000	20057+4812		Discov num	TDT1966		Comp			Coord arcsec 2000	20 05 39.47 +48 11 40.8
Date first	1991		Date last	2015		Obs	3
Pa first	155		Pa last	152		P.A. Now (θ)	152°
Sep first	1.9		Sep last	1.7		Sep. Now (ρ)	1.7"
Mag pri	11.06		Mag sec	11.21		delta mag (ΔM)	0.15		Spectral class
Pri motion ra	-003		Sec motion ra	-003
Pri motion dec	-004		Sec motion dec	-004
Notes

Nature of this double is uncertain.

Precise pa	152.4		Precise sep	1.727		Constellation	Cygnus		Tycho2	3563-00763-1
Gaia DR2	52329746688

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20057+4812	TDT1966		1991	1	155	1.9	11.06	11.21			200539.47+481140.8
20057+4812	TDT1966		2015	2	152	1.7	11.06	11.21			200539.47+481140.8

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