19500+1757 H 4  99AC

Coord 2000	19500+1757		Discov num	H 4  99		Comp	AC		Coord arcsec 2000	19 49 59.91 +17 57 26.0
Date first	1879		Date last	2018		Obs	23
Pa first	256		Pa last	256		P.A. Now (θ)	256°
Sep first	69.5		Sep last	68.8		Sep. Now (ρ)	68.8"
Mag pri	7.99		Mag sec	9.10		delta mag (ΔM)	1.11		Spectral class	B7Vp (blue-white)
Pri motion ra	+001		Sec motion ra	+002
Pri motion dec	-012		Sec motion dec	-011
Notes	N (See Notes)

rPM=0.117 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105324	19 49 60 +17 57 26	H 4 99 AB	2018	17	83	25.6	7.99	11.07	3.08
Show		105324	19 49 60 +17 57 26	H 4 99 AC	2018	23	256	68.8	7.99	9.10	1.11		<===
Show		105324	19 49 60 +17 57 26	H 4 99 AD	2018	11	340	44.1	7.99	13.23	5.24
Show		105324	19 49 60 +17 57 26	ABH 126 AE	2018	10	143	71.0	7.99	13.42	5.43

Quintuple system
5 visible stars in this system

Precise pa	255.5		Precise sep	68.76		Constellation	Sagitta		SAO	105324
Tycho2	1619-02489-1		Gaia DR2	1821439903076671488		HD	187566

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19500+1757	H 4 99	AC	2003	16	256	69.1	7.99	9.10	B7Vp	N D	194959.91+175726.0
19500+1757	H 4 99	AC	2012	18	256	68.6	7.99	9.10	B7Vp	N D	194959.91+175726.0
19500+1757	H 4 99	AC	2013	19	256	68.5	7.99	9.10	B7Vp	N	194959.91+175726.0
19500+1757	H 4 99	AC	2015	22	256	68.7	7.99	9.10	B7Vp	N	194959.91+175726.0
19500+1757	H 4 99	AC	2018	23	256	68.8	7.99	9.10	B7Vp	N	194959.91+175726.0

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