19455+3709 POP 122AB

Coord 2000	19455+3709		Discov num	POP 122		Comp	AB		Coord arcsec 2000	19 45 34.11 +37 09 01.2
Date first	1929		Date last	2015		Obs	6
Pa first	285		Pa last	284		P.A. Now (θ)	284°
Sep first	48.6		Sep last	48.5		Sep. Now (ρ)	48.5"
Mag pri	12.46		Mag sec	12.40		delta mag (ΔM)	0.06		Spectral class
Pri motion ra	-003		Sec motion ra	+040
Pri motion dec	-007		Sec motion dec	-010
Notes

rPM=1.045 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68796	19455+3709	POP 122	AB	1929	2015	6	284	48.5	12.46	12.40	0.06		<===
Show		68796	19455+3709	POP 122	BC	1976	2015	7	83	2.7	12.40	12.90	0.50

Triple system
3 visible stars in this system

Precise pa	284.4		Precise sep	48.474		Constellation	Cygnus		SAO	68796
Gaia DR2	2048765375204720640

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19455+3709	POP 122	AB	1998	4	286	46.2	12.46	12.60		D	194534.11+370901.2
19455+3709	POP 122	AB	2002	5	285	47.0	12.46	12.60		D	194534.11+370901.2
19455+3709	POP 122	AB	2015	6	284	48.5	12.46	12.40			194534.11+370901.2

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