20111+1611 HZG  15AD

Coord 2000	20111+1611		Discov num	HZG  15		Comp	AD		Coord arcsec 2000	20 11 06.07 +16 11 16.7
Date first	1904		Date last	2015		Obs	14
Pa first	294		Pa last	255		P.A. Now (θ)	255°
Sep first	87.5		Sep last	35.3		Sep. Now (ρ)	35.3"
Mag pri	7.42		Mag sec	11.21		delta mag (ΔM)	3.79		Spectral class	K1V (yellow-orange)
Pri motion ra	-415		Sec motion ra	+000
Pri motion dec	+398		Sec motion dec	-003
Notes	N L (See Notes, Linear solution)

Visually invisible, K-band or other infrared star rPM=1.004 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105793	20111+1611	ENG 71	AB	1893	2015	14	148	212.3	7.42	9.67	2.25
Show		105793	20111+1611	HZG 15	AD	1904	2015	14	255	35.3	7.42	11.21	3.79		<===
Show		105793	20111+1611	GIC 163	AE	1962	2015	10	92	107.7	7.42	13.93	6.51
Show		105793	20111+1611	BUP 205	BC	1904	2015	15	273	61.8	9.67	12.65	2.98

Quintuple system
5 visible stars in this system

Precise pa	254.8		Precise sep	35.319		Constellation	Sagitta		SAO	105793
HIP	99452		Tycho2	1618-00827-1		Gaia DR2	87260517760		HD	191785
GL	Gl 783.2A		BD	BD+15 4074		Distance	20.39		Distance ly	66.51

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20111+1611	HZG 15	AD	1998	7	267	40.8	7.42	11.21	K1V	D	201106.07+161116.7
20111+1611	HZG 15	AD	2008	8	261	37.2	7.42	11.21	K1V	D	201106.07+161116.7
20111+1611	HZG 15	AD	2012	10	257	36.0	7.42	11.21	K1V	NLD	201106.07+161116.7
20111+1611	HZG 15	AD	2013	11	257	35.5	7.42	11.21	K1V	NL	201106.07+161116.7
20111+1611	HZG 15	AD	2014	13	256	35.2	7.42	11.21	K1V	NL	201106.07+161116.7
20111+1611	HZG 15	AD	2015	14	255	35.3	7.42	11.21	K1V	NL	201106.07+161116.7

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