19428+0823 STF2562AC

Coord 2000	19428+0823		Discov num	STF2562		Comp	AC		Coord arcsec 2000	19 42 45.86 +08 22 57.5
Date first	1908		Date last	2015		Obs	11
Pa first	294		Pa last	289		P.A. Now (θ)	289°
Sep first	81.7		Sep last	82.0		Sep. Now (ρ)	82"
Mag pri	6.95		Mag sec	12.12		delta mag (ΔM)	5.17		Spectral class	F8V (yellow-white)
Pri motion ra	+025		Sec motion ra	-004
Pri motion dec	+054		Sec motion dec	+000
Notes	N U (See Notes, Proper motion indicates non-physical)

rPM=1.03 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 42 46 +08 22 58	STF 2562 AB	2019	81	251	27.2	6.95	8.69	1.74
Show			19 42 46 +08 22 58	STF 2562 AC	2015	11	289	82.0	6.95	12.12	5.17		<===
Show			19 42 46 +08 22 58	STF 2562 AD	2015	26	222	117.2	6.95	9.89	2.94
Show			19 42 44 +08 22 49	STF 2562 BC	2015	14	305	62.7	8.69	12.12	3.43
Show			19 42 44 +08 22 49	STF 2562 BD	2015	25	214	94.6	8.69	9.89	1.20

Quadruple system
4 visible stars in this system

Precise pa	289.2		Precise sep	82.01		Constellation	Aquila		HIP	96979
Tycho2	1057-02439-1		Gaia DR2	4301163357576782464		HD	186226		BD	BD+08 4190
Distance	66.45		Distance ly	216.76

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19428+0823	STF2562	AC	2005	4	289	81.1	6.95	12.50	F8V	D	194245.86+082257.5
19428+0823	STF2562	AC	2008	5	289	82.5	6.95	12.50	F8V	D	194245.86+082257.5
19428+0823	STF2562	AC	2011	8	289	81.8	6.95	12.50	F8V	N D	194245.86+082257.5
19428+0823	STF2562	AC	2013	9	290	80.6	6.95	12.12	F8V	N	194245.86+082257.5
19428+0823	STF2562	AC	2015	10	289	82.0	6.95	12.12	F8V	NU	194245.86+082257.5

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