19534+3640 SEI 714

Coord 2000	19534+3640		Discov num	SEI 714		Comp			Coord arcsec 2000	19 53 21.73 +36 39 00.5
Date first	1896		Date last	2011		Obs	6
Pa first	53		Pa last	56		P.A. Now (θ)	56°
Sep first	11.4		Sep last	11.0		Sep. Now (ρ)	11"
Mag pri	11.59		Mag sec	11.65		delta mag (ΔM)	0.06		Spectral class
Pri motion ra	-005		Sec motion ra	-005
Pri motion dec	-010		Sec motion dec	-015
Notes

rPM=0.316 Nature of this double is uncertain.

Precise pa	56.1		Precise sep	11.02		Constellation	Cygnus		last precise pa	56.1
last precise sep	11.02

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19534+3640	SEI 714		2006	3	55	11.2	11.00	11.00		D	195321.73+363900.5
19534+3640	SEI 714		2011	5	56	11.0	11.00	11.00		D	195321.73+363900.5

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