19459+4629 GRF  10AB

Coord 2000	19459+4629		Discov num	GRF  10		Comp	AB		Coord arcsec 2000	19 45 51.58 +46 29 07.9
Date first	1895		Date last	2015		Obs	7
Pa first	18		Pa last	19		P.A. Now (θ)	19°
Sep first	171.2		Sep last	174.2		Sep. Now (ρ)	174.2"
Mag pri	7.10		Mag sec	10.02		delta mag (ΔM)	2.92		Spectral class	K2+G5 (yellow-orange/yellow)
Pri motion ra	-001		Sec motion ra	+012
Pri motion dec	-001		Sec motion dec	+018
Notes	U (Proper motion indicates non-physical)

rPM=1.064 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		48811	19 45 52 +46 29 08	GRF 10 AB	2015	7	19	174.2	7.10	10.02	2.92		<===
Show		48811	19 45 52 +46 29 08	GRF 10 AC	2010	6	50	253.8	7.10	9.38	2.28

Triple system
3 visible stars in this system

Precise pa	18.7		Precise sep	174.217		Constellation	Cygnus		SAO	48811
HIP	97243		Tycho2	3557-01453-1		Gaia DR2	2080239582734480256		HD	187071
BD	BD+46 2778		Distance	240.38		Distance ly	784.12

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19459+4629	GRF 10	AB	2000	1	18	174.0	6.90	9.90	K2+G5		194551.58+462907.9
19459+4629	GRF 10	AB	2010	4	19	173.8	7.10	10.02	K2+G5	U	194551.58+462907.9
19459+4629	GRF 10	AB	2015	7	19	174.2	7.10	10.02	K2+G5	U	194551.58+462907.9

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