19437+4331 TDT1678

Coord 2000	19437+4331		Discov num	TDT1678		Comp			Coord arcsec 2000	19 43 39.82 +43 30 33.8
Date first	1991		Date last	2015		Obs	4
Pa first	49		Pa last	46		P.A. Now (θ)	46°
Sep first	3.5		Sep last	3.7		Sep. Now (ρ)	3.7"
Mag pri	11.86		Mag sec	11.96		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-001		Sec motion ra	+003
Pri motion dec	-012		Sec motion dec	-009
Notes

rPM=0.415 Nature of this double is uncertain.

Precise pa	45.6		Precise sep	3.674		Constellation	Cygnus		Tycho2	3148-01970-1
Gaia DR2	86460287488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19437+4331	TDT1678		1998	2	46	3.7	11.86	11.96		D	194339.82+433033.8
19437+4331	TDT1678		2003	3	46	3.7	11.86	11.96		D	194339.82+433033.8
19437+4331	TDT1678		2015	4	46	3.7	11.86	11.96			194339.82+433033.8

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