20111+1611 ENG  71AB

Coord 2000	20111+1611		Discov num	ENG  71		Comp	AB		Coord arcsec 2000	20 11 06.07 +16 11 16.7
Date first	1893		Date last	2015		Obs	14
Pa first	153		Pa last	148		P.A. Now (θ)	148°
Sep first	144.0		Sep last	212.3		Sep. Now (ρ)	212.3"
Mag pri	7.42		Mag sec	9.67		delta mag (ΔM)	2.25		Spectral class	K1V (yellow-orange)
Pri motion ra	-415		Sec motion ra	-024
Pri motion dec	+398		Sec motion dec	-027
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	147.9		Precise sep	212.318		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	ENG 71	AB	2002	9	148	205.4	7.42	9.67	K1V	LD	201106.07+161116.7
20111+1611	ENG 71	AB	2008	10	147	209.2	7.42	9.67	K1V	LD	201106.07+161116.7
20111+1611	ENG 71	AB	2013	12	148	209.2	7.42	9.67	K1V	NL	201106.07+161116.7
20111+1611	ENG 71	AB	2014	13	148	212.0	7.42	9.67	K1V	NL	201106.07+161116.7
20111+1611	ENG 71	AB	2015	14	148	212.3	7.42	9.67	K1V	NL	201106.07+161116.7

If you need more information about this double, apply for a data request form to the WDS.