19392+0524 WAL 117AC

Coord 2000	19392+0524		Discov num	WAL 117		Comp	AC		Coord arcsec 2000	19 39 11.64 +05 23 52.0
Date first	1944		Date last	2015		Obs	4
Pa first	330		Pa last	333		P.A. Now (θ)	333°
Sep first	130.0		Sep last	131.7		Sep. Now (ρ)	131.7"
Mag pri	5.18		Mag sec	13.01		delta mag (ΔM)	7.83		Spectral class	B3V (blue-white)
Pri motion ra	+004		Sec motion ra	-002
Pri motion dec	-004		Sec motion dec	-003
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.075 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Sig Aql	124903	19392+0524	HJ 2886	AB	1830	2015	8	327	48.0	5.22	12.33	7.11
Show		124903	19392+0524	WAL 117	AC	1944	2015	4	333	131.7	5.18	13.01	7.83		<===

Triple system
3 visible stars in this system

Precise pa	332.8		Precise sep	131.664		Constellation	Aquila		SAO	124903
HIP	96665		Tycho2	0487-03422-1		Gaia DR2	91610511744		HD	185507
HR	7474		GC	27185		BD	BD+05 4225		Bayer	Sigma Aquilae
Bayer name	Sig Aql		Flamsteed	44 Aquilae		Flamsteed name	44 Aql		Distance	239.23
Distance ly	780.37

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19392+0524	WAL 117	AC	2000	2	333	131.7	5.22	11.95	B3V	D	193911.64+052352.0
19392+0524	WAL 117	AC	2015	4	333	131.7	5.18	13.01	B3V	N	193911.64+052352.0

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