19429+4043 STT 383AB

Coord 2000	19429+4043		Discov num	STT 383		Comp	AB		Coord arcsec 2000	19 42 56.26 +40 43 18.3
Date first	1843		Date last	2014		Obs	57
Pa first	25		Pa last	15		P.A. Now (θ)	15°
Sep first	0.6		Sep last	0.8		Sep. Now (ρ)	0.8"
Mag pri	7.03		Mag sec	8.28		delta mag (ΔM)	1.25		Spectral class	B9.5V (blue-white)
Pri motion ra	+004		Sec motion ra	+004
Pri motion dec	-007		Sec motion dec	-007
Notes

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19429+4043	STT 383	AB	1843	2014	57	15	0.8	7.03	8.28	1.25		<===
Show			19429+4043	STT 383	AC	1892	2002	10	99	45.2	7.03	11.60	4.57
Show			19429+4043	STT 383	AD	1892	2002	5	43	68.1	7.03	12.45	5.42

Quadruple system
4 visible stars in this system

Precise pa	14.7		Precise sep	0.783		Constellation	Cygnus		SAO	48756
HIP	97001		Tycho2	3140-01594-1		Gaia DR2	50907389568		HD	186465
BD	BD+40 3856		Distance	154.56		Distance ly	504.17

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19429+4043	STT 383	AB	2004	50	15	0.8	7.03	8.28	B9.5V	D	194256.26+404318.3
19429+4043	STT 383	AB	2007	52	16	0.8	7.03	8.28	B9.5V	D	194256.26+404318.3
19429+4043	STT 383	AB	2009	53	15	0.8	7.03	8.28	B9.5V	D	194256.26+404318.3
19429+4043	STT 383	AB	2013	55	15	0.9	7.03	8.28	B9.5V		194256.26+404318.3
19429+4043	STT 383	AB	2014	56	15	0.8	7.03	8.28	B9.5V		194256.26+404318.3

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