19397+3315 GYL  19

Coord 2000	19397+3315		Discov num	GYL  19		Comp			Coord arcsec 2000	19 39 39.78 +33 14 45.5
Date first	1893		Date last	2016		Obs	9
Pa first	11		Pa last	12		P.A. Now (θ)	12°
Sep first	23.5		Sep last	22.6		Sep. Now (ρ)	22.6"
Mag pri	11.49		Mag sec	11.94		delta mag (ΔM)	0.45		Spectral class
Pri motion ra	-004		Sec motion ra	-005
Pri motion dec	+007		Sec motion dec	+003
Notes

rPM=0.511 Nature of this double is uncertain.

Precise pa	11.6		Precise sep	22.61		Constellation	Cygnus		Tycho2	2660-00391-1
Gaia DR2	15544994432

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19397+3315	GYL 19		2002	5	12	22.7	11.52	12.13		D	193939.78+331445.5
19397+3315	GYL 19		2010	7	12	22.4	11.49	11.94			193939.78+331445.5
19397+3315	GYL 19		2016	8	12	22.6	11.49	11.94			193939.78+331445.5

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