19491-1104 HLN  47AC

Coord 2000	19491-1104		Discov num	HLN  47		Comp	AC		Coord arcsec 2000	19 49 07.69 -11 04 00.1
Date first	1969		Date last	2015		Obs	6
Pa first	26		Pa last	16		P.A. Now (θ)	16°
Sep first	7.0		Sep last	10.8		Sep. Now (ρ)	10.8"
Mag pri	11.33		Mag sec	12.10		delta mag (ΔM)	0.77		Spectral class
Pri motion ra	+046		Sec motion ra	-005
Pri motion dec	+005		Sec motion dec	+018
Notes

rPM=1.137 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 49 08 -11 04 00	RST 4641 AB	2016	4	148	1.0	11.33	12.07	0.74
Show			19 49 08 -11 04 00	HLN 47 AC	2015	6	16	10.8	11.33	12.10	0.77		<===

Triple system
3 visible stars in this system

Precise pa	16		Precise sep	10.761		Constellation	Aquila		Tycho2	5729-00770-1
Gaia DR2	4190342343649336960

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19491-1104	HLN 47	AC	1969	1	26	7.0	11.33	12.10			194907.72-110400.8
19491-1104	HLN 47	AC	1999	2	19	11.5	11.33	12.10		D	194907.69-110400.1
19491-1104	HLN 47	AC	2000	3	18	11.4	11.33	12.10		D	194907.69-110400.1
19491-1104	HLN 47	AC	2010	4	16	10.9	11.33	12.10			194907.69-110400.1
19491-1104	HLN 47	AC	2015	4	16	10.8	11.33	12.10			194907.69-110400.1

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