19568+0155 A  2391AB

Coord 2000	19568+0155		Discov num	A  2391		Comp	AB		Coord arcsec 2000	19 56 50.63 +01 55 13.6
Date first	1910		Date last	2009		Obs	12
Pa first	22		Pa last	1		P.A. Now (θ)	1°
Sep first	0.2		Sep last	0.3		Sep. Now (ρ)	0.3"
Mag pri	9.10		Mag sec	9.40		delta mag (ΔM)	0.3		Spectral class	A0 (white)
Pri motion ra	+002		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 56 51 +01 55 14	A 2391 AB	2009	12	1	0.3	9.10	9.40	0.30		<===
Show			19 56 51 +01 55 14	STF 2601 AB,C	2018	29	162	7.1	8.71	10.14	1.43

Triple system
4 visible stars in this system

Precise pa	0.8		Precise sep	0.265		Constellation	Aquila		Tycho2	0485-03236-1
Gaia DR2	4240802127706928768		HD	188802

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19568+0155	A 2391	AB	1991	11	1	0.2	9.10	9.40	A0		195650.63+015513.6

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