20017+5238 TDT1921

Coord 2000	20017+5238		Discov num	TDT1921		Comp			Coord arcsec 2000	20 01 41.47 +52 37 45.4
Date first	1991		Date last	1991		Obs	1
Pa first	121		Pa last	121		P.A. Now (θ)	121°
Sep first	0.4		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	10.35		Mag sec	10.36		delta mag (ΔM)	0.01		Spectral class
Pri motion ra	+002		Sec motion ra	+002
Pri motion dec	+000		Sec motion dec	+000
Notes

Nature of this double is uncertain.

Precise pa	120.8		Precise sep	0.44		Constellation	Cygnus		Tycho2	3936-00389-1
last precise pa	120.8		last precise sep	0.44

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20017+5238	TDT1921		1991	1	121	0.4	10.35	10.36			200141.47+523745.4

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