19500+1702 HU  349AC

Coord 2000	19500+1702		Discov num	HU  349		Comp	AC		Coord arcsec 2000	19 49 58.74 +17 01 41.9
Date first	1915		Date last	2015		Obs	6
Pa first	30		Pa last	28		P.A. Now (θ)	28°
Sep first	57.8		Sep last	57.7		Sep. Now (ρ)	57.7"
Mag pri	9.00		Mag sec	12.80		delta mag (ΔM)	3.8		Spectral class	B9 (blue-white)
Pri motion ra	+002		Sec motion ra	+003
Pri motion dec	-003		Sec motion dec	+038
Notes

rPM=1.076 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105322	19 49 59 +17 01 42	HU 349 AB	2000	9	237	2.4	9.00	13.40	4.40
Show		105322	19 49 59 +17 01 42	HU 349 AC	2015	6	28	57.7	9.00	12.80	3.80		<===
Show		105322	19 50 01 +17 02 32	J 1107 CD	2015	5	196	3.1	12.80	13.50	0.70

Quadruple system
4 visible stars in this system

Precise pa	28.2		Precise sep	57.686		Constellation	Sagitta		SAO	105322
Tycho2	1619-01184-1		Gaia DR2	1820827127170670208		HD	187549

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19500+1702	HU 349	AC	2000	3	29	54.9	8.96	13.10	B9	D	194958.73+170141.9
19500+1702	HU 349	AC	2009	4	28	57.7	9.00	11.30	B9	D	194958.74+170141.9
19500+1702	HU 349	AC	2015	6	28	57.7	9.00	12.80	B9		194958.74+170141.9

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