19491-1104 RST4641AB

Coord 2000	19491-1104		Discov num	RST4641		Comp	AB		Coord arcsec 2000	19 49 07.69 -11 04 00.1
Date first	1940		Date last	2016		Obs	4
Pa first	152		Pa last	148		P.A. Now (θ)	148°
Sep first	1.2		Sep last	1.0		Sep. Now (ρ)	1"
Mag pri	11.33		Mag sec	12.07		delta mag (ΔM)	0.74		Spectral class
Pri motion ra	+047		Sec motion ra	+047
Pri motion dec	+001		Sec motion dec	+001
Notes

Nature of this double is uncertain.

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	148.2		Precise sep	0.982		Constellation	Aquila		Tycho2	5729-00770-2
Gaia DR2	4190342343649336960

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19491-1104	RST4641	AB	1991	3	153	1.3	11.33	12.07			194907.72-110400.8

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