20192+2441 A   391AB

Coord 2000	20192+2441		Discov num	A   391		Comp	AB		Coord arcsec 2000	20 19 11.50 +24 41 18.7
Date first	1902		Date last	2017		Obs	19
Pa first	275		Pa last	278		P.A. Now (θ)	278°
Sep first	0.8		Sep last	0.9		Sep. Now (ρ)	0.9"
Mag pri	9.82		Mag sec	10.40		delta mag (ΔM)	0.58		Spectral class	F8 (yellow-white)
Pri motion ra	-005		Sec motion ra	-005
Pri motion dec	-009		Sec motion dec	-009
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 19 12 +24 41 19	A 391 AB	2017	19	278	0.9	9.82	10.40	0.58		<===
Show			20 19 12 +24 41 19	BKO 824 AC	2015	7	264	8.4	9.80	13.00	3.20

Triple system
3 visible stars in this system

Precise pa	278.1		Precise sep	0.89		Constellation	Vulpecula		Tycho2	2159-00497-1
Gaia DR2	1832182681411913856

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20192+2441	A 391	AB	2007	18	277	0.8	9.82	10.40	F8		201911.50+244118.7
20192+2441	A 391	AB	2017	19	278	0.9	9.82	10.40	F8		201911.50+244118.7

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