19513+2308 CHE 166AB

Coord 2000	19513+2308		Discov num	CHE 166		Comp	AB		Coord arcsec 2000	19 50 57.10 +23 07 33.5
Date first	1895		Date last	2012		Obs	6
Pa first	256		Pa last	257		P.A. Now (θ)	257°
Sep first	12.0		Sep last	11.6		Sep. Now (ρ)	11.6"
Mag pri	11.50		Mag sec	12.30		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	+001		Sec motion ra	+002
Pri motion dec	-007		Sec motion dec	-001
Notes	N (See Notes)

rPM=0.86 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19513+2308	CHE 166	AB	1895	2012	6	257	11.6	11.50	12.30	0.80		<===
Show			19513+2308	CHE 166	AC	1907	2012	4	12	19.1	11.50	12.70	1.20
Show			19513+2308	BKO 997	CD	2000	2008	3	19	12.7	12.70	15.70	3.00

Quadruple system
4 visible stars in this system

Precise pa	257.3		Precise sep	11.64		Cdsa2 id	CHE 166 AB		Constellation	Vulpecula
Ra deg	19.849194444444443		De deg	23.125972222222224		last precise pa	257.3		last precise sep	11.64

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19513+2308	CHE 166	AB	1907	1	257	11.6	11.50	12.30			195115.11+230839.2
19513+2308	CHE 166	AB	2008	3	257	11.7	11.50	12.30		N	195057.10+230733.5
19513+2308	CHE 166	AB	2012	5	257	11.6	11.50	12.30		N	195057.10+230733.5

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