19584+0852 J   818AB

Coord 2000	19584+0852		Discov num	J   818		Comp	AB		Coord arcsec 2000	19 58 29.05 +08 51 39.8
Date first	1912		Date last	1991		Obs	11
Pa first	18		Pa last	31		P.A. Now (θ)	31°
Sep first	0.8		Sep last	1.2		Sep. Now (ρ)	1.2"
Mag pri	11.01		Mag sec	11.58		delta mag (ΔM)	0.57		Spectral class
Pri motion ra	+002		Sec motion ra	+005
Pri motion dec	-005		Sec motion dec	+000
Notes

rPM=1.083 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 58 29 +08 51 40	J 818 AB	1991	11	31	1.2	11.01	11.58	0.57		<===
Show			19 58 29 +08 51 40	J 818 AC	2015	17	187	23.3	11.01	11.10	0.09
Show			19 58 29 +08 51 40	FYM 186 BD	2013	1	159	19.5	11.10	14.04	2.94

Quadruple system
4 visible stars in this system

Precise pa	30.9		Precise sep	1.17		Constellation	Aquila		Tycho2	1071-00919-1
Gaia DR2	4299842088178578176

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19584+0852	J 818	AB	1991	11	31	1.2	11.01	11.58			195829.05+085139.8

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