19438+5121 TDT1679

Coord 2000	19438+5121		Discov num	TDT1679		Comp			Coord arcsec 2000	19 43 46.53 +51 20 36.7
Date first	1991		Date last	2015		Obs	4
Pa first	265		Pa last	264		P.A. Now (θ)	264°
Sep first	2.9		Sep last	3.2		Sep. Now (ρ)	3.2"
Mag pri	11.74		Mag sec	12.22		delta mag (ΔM)	0.48		Spectral class
Pri motion ra	+016		Sec motion ra	-014
Pri motion dec	+019		Sec motion dec	+017
Notes

rPM=1.21 This double is not physical.

Precise pa	264		Precise sep	3.167		Constellation	Cygnus		Tycho2	3569-00340-2
Gaia DR2	14725654528

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19438+5121	TDT1679		1991	1	265	2.9	11.74	12.22			194346.53+512036.7
19438+5121	TDT1679		2003	2	265	3.1	11.74	12.22			194346.53+512036.7
19438+5121	TDT1679		2015	3	264	3.2	11.74	12.22			194346.53+512036.7

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