20164+1745 J  1109AB

Coord 2000	20164+1745		Discov num	J  1109		Comp	AB		Coord arcsec 2000	20 16 25.24 +17 44 38.1
Date first	1900		Date last	2015		Obs	11
Pa first	324		Pa last	331		P.A. Now (θ)	331°
Sep first	6.5		Sep last	6.4		Sep. Now (ρ)	6.4"
Mag pri	11.70		Mag sec	12.50		delta mag (ΔM)	0.8		Spectral class
Pri motion ra	+004		Sec motion ra	+007
Pri motion dec	-005		Sec motion dec	+004
Notes

rPM=1.177 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105914	20 16 25 +17 44 38	J 1109 AB	2015	11	331	6.4	11.70	12.50	0.80		<===
Show		105914	20 16 25 +17 44 38	J 1109 AC	2015	7	9	8.4	11.70	15.00	3.30

Triple system
3 visible stars in this system

Precise pa	331.2		Precise sep	6.374		Constellation	Sagitta		SAO	105914
Gaia DR2	1809952274280840448

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20164+1745	J 1109	AB	1958	4	332	4.4	11.70	12.50			201625.24+174438.1
20164+1745	J 1109	AB	2001	5	331	6.4	11.70	12.50			201625.24+174438.1
20164+1745	J 1109	AB	2015	7	331	6.4	11.70	12.50			201625.24+174438.1

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