20064+1802 DOO  80AC

Coord 2000	20064+1802		Discov num	DOO  80		Comp	AC		Coord arcsec 2000	20 06 24.26 +18 02 39.2
Date first	1907		Date last	2015		Obs	8
Pa first	210		Pa last	207		P.A. Now (θ)	207°
Sep first	14.1		Sep last	14.5		Sep. Now (ρ)	14.5"
Mag pri	11.54		Mag sec	14.20		delta mag (ΔM)	2.66		Spectral class
Pri motion ra	-007		Sec motion ra	-005
Pri motion dec	-002		Sec motion dec	-010
Notes

rPM=0.738 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 06 24 +18 02 39	HJ 2931 AB	2016	13	312	6.6	11.54	13.00	1.46
Show			20 06 24 +18 02 39	DOO 80 AC	2015	8	207	14.5	11.54	14.20	2.66		<===

Triple system
3 visible stars in this system

Precise pa	207.3		Precise sep	14.506		Constellation	Sagitta		Tycho2	1621-01884-1
Gaia DR2	1821878230233310208		HD	351504

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20064+1802	DOO 80	AC	1999	2	208	14.5	11.54	14.20		D	200624.26+180239.2
20064+1802	DOO 80	AC	2001	3	208	14.5	11.54	14.20		D	200624.26+180239.2
20064+1802	DOO 80	AC	2010	4	204	14.6	11.54	14.20			200624.26+180239.2
20064+1802	DOO 80	AC	2015	4	207	14.5	11.54	14.20			200624.26+180239.2

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