19516+5913 HJ 2910

Coord 2000	19516+5913		Discov num	HJ 2910		Comp			Coord arcsec 2000	19 51 34.50 +59 12 55.3
Date first	1831		Date last	2015		Obs	13
Pa first	264		Pa last	260		P.A. Now (θ)	260°
Sep first	8.0		Sep last	13.1		Sep. Now (ρ)	13.1"
Mag pri	9.92		Mag sec	11.72		delta mag (ΔM)	1.8		Spectral class	A3 (white)
Pri motion ra	+005		Sec motion ra	+005
Pri motion dec	-009		Sec motion dec	-010
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.089 (< 0.3, Physical double) This double is not physical.

Precise pa	259.9		Precise sep	13.116		Constellation	Cygnus		SAO	32066
Tycho2	3947-01053-1		Gaia DR2	89720990592		HD	239243

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19516+5913	HJ 2910		2000	6	260	13.1	9.92	11.72	A3	D	195134.50+591255.3
19516+5913	HJ 2910		2003	7	260	13.2	9.92	11.72	A3	D	195134.50+591255.3
19516+5913	HJ 2910		2010	8	260	13.1	9.92	11.72	A3		195134.50+591255.3
19516+5913	HJ 2910		2015	9	260	13.1	9.92	11.72	A3		195134.50+591255.3

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