19503+0713 A  2994A,BC

Coord 2000	19503+0713		Discov num	A  2994		Comp	A,BC		Coord arcsec 2000	19 50 15.93 +07 13 04.5
Date first	1894		Date last	2015		Obs	22
Pa first	285		Pa last	273		P.A. Now (θ)	273°
Sep first	6.2		Sep last	5.7		Sep. Now (ρ)	5.7"
Mag pri	10.43		Mag sec	10.92		delta mag (ΔM)	0.49		Spectral class	A3 (white)
Pri motion ra	-004		Sec motion ra	-003
Pri motion dec	-013		Sec motion dec	-009
Notes	N (See Notes)

rPM=0.303 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 50 16 +07 13 04	A 2994 A,BC	2015	22	273	5.7	10.43	10.92	0.49		<===
Show			19 50 16 +07 13 05	A 2994 BC	2009	8	200	0.4	10.20	10.20	0.00

Triple system
4 visible stars in this system

Precise pa	272.7		Precise sep	5.733		Constellation	Aquila		Tycho2	0492-01119-1
Gaia DR2	4297760403443511296		HD	187553

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19503+0713	A 2994	A,BC	1999	17	273	5.7	10.43	10.92	A3	N D	195015.93+071304.5
19503+0713	A 2994	A,BC	2000	18	273	5.7	10.43	10.92	A3	N D	195015.93+071304.5
19503+0713	A 2994	A,BC	2014	19	272	5.7	10.43	10.92	A3	N	195015.93+071304.5
19503+0713	A 2994	A,BC	2015	22	273	5.7	10.43	10.92	A3	N	195015.93+071304.5

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