19579+3843 TOB 163AC

Coord 2000	19579+3843		Discov num	TOB 163		Comp	AC		Coord arcsec 2000	19 57 49.54 +38 43 37.8
Date first	1929		Date last	2017		Obs	6
Pa first	76		Pa last	72		P.A. Now (θ)	72°
Sep first	24.0		Sep last	23.5		Sep. Now (ρ)	23.5"
Mag pri	11.70		Mag sec	11.90		delta mag (ΔM)	0.2		Spectral class
Pri motion ra	-009		Sec motion ra	-024
Pri motion dec	-014		Sec motion dec	+002
Notes

rPM=0.911 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19579+3843	SEI 751	AB	1896	2017	9	259	20.4	11.70	12.04	0.34
Show			19579+3843	TOB 163	AC	1929	2017	6	72	23.5	11.70	11.90	0.20		<===
Show			19579+3843	MLB 949	CD	1934	2017	3	105	3.1	12.20	13.80	1.60

Quadruple system
4 visible stars in this system

Precise pa	72.3		Precise sep	23.538		Cdsa2 id	TOB 163 AC		Constellation	Cygnus
Ra deg	19.96376111111111		De deg	38.72716666666667		last precise pa	72.3		last precise sep	23.538

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19579+3843	TOB 163	AC	1998	3	73	23.4	11.70	11.90		D	195749.54+384337.8
19579+3843	TOB 163	AC	2002	4	72	23.4	11.70	11.90		D	195749.54+384337.8
19579+3843	TOB 163	AC	2015	5	72	23.4	11.70	11.90			195749.54+384337.8
19579+3843	TOB 163	AC	2017	6	72	23.5	11.70	11.90			195749.54+384337.8

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