20017-0012 H 1  93AB

Coord 2000	20017-0012		Discov num	H 1  93		Comp	AB		Coord arcsec 2000	20 01 39.17 -00 11 56.5
Date first	1876		Date last	2016		Obs	51
Pa first	294		Pa last	298		P.A. Now (θ)	298°
Sep first	2.1		Sep last	1.8		Sep. Now (ρ)	1.8"
Mag pri	7.67		Mag sec	8.39		delta mag (ΔM)	0.72		Spectral class	A0 (white)
Pri motion ra	+006		Sec motion ra	+006
Pri motion dec	-004		Sec motion dec	-004
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		144002	20017-0012	H 1 93	AB	1876	2016	51	298	1.8	7.67	8.39	0.72		<===
Show		144002	20017-0012	H 1 93	AC	1901	2000	4	1	26.8	7.67	13.20	5.53

Triple system
3 visible stars in this system

Precise pa	298.3		Precise sep	1.824		Constellation	Aquila		SAO	144002
last precise pa	297.3		last precise sep	1.819

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20017-0012	H 1 93	AB	1997	68	299	1.8	7.67	8.39	A0	N D	200139.17-001156.5
20017-0012	H 1 93	AB	2008	69	298	1.8	7.67	8.39	A0	N D	200139.17-001156.5
20017-0012	H 1 93	AB	2009	70	298	1.8	7.67	8.39	A0	N D	200139.17-001156.5
20017-0012	H 1 93	AB	2011	72	297	1.8	7.67	8.39	A0	N	200139.17-001156.5
20017-0012	H 1 93	AB	2016	51	298	1.8	7.67	8.39	A0	N	200139.17-001156.5

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