20147+4541 TDT2117

Coord 2000	20147+4541		Discov num	TDT2117		Comp			Coord arcsec 2000	20 14 41.59 +45 40 58.3
Date first	1991		Date last	1991		Obs	1
Pa first	319		Pa last	319		P.A. Now (θ)	319°
Sep first	0.4		Sep last	0.4		Sep. Now (ρ)	0.4"
Mag pri	10.65		Mag sec	10.77		delta mag (ΔM)	0.12		Spectral class
Pri motion ra	+062		Sec motion ra	+062
Pri motion dec	-045		Sec motion dec	-045
Notes

Nature of this double is uncertain.

Precise pa	318.6		Precise sep	0.4		Constellation	Cygnus		SAO	49352
Tycho2	3559-02592-1		Gaia DR2	17102492416

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20147+4541	TDT2117		1991	1	319	0.4	10.65	10.77			201441.59+454058.3

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