19429+4043 STT 383AC

Coord 2000	19429+4043		Discov num	STT 383		Comp	AC		Coord arcsec 2000	19 42 56.26 +40 43 18.3
Date first	1892		Date last	2002		Obs	10
Pa first	98		Pa last	99		P.A. Now (θ)	99°
Sep first	46.1		Sep last	45.2		Sep. Now (ρ)	45.2"
Mag pri	7.03		Mag sec	11.60		delta mag (ΔM)	4.57		Spectral class	B9.5V (blue-white)
Pri motion ra	+006		Sec motion ra	-001
Pri motion dec	+000		Sec motion dec	-009
Notes

rPM=1.259 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		48756	19429+4043	STT 383	AB	1843	2014	58	15	0.8	7.03	8.28	1.25	Y
Show		48756	19429+4043	STT 383	AC	1892	2002	10	99	45.2	7.03	11.60	4.57		<===
Show		48756	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	98.5		Precise sep	45.222		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	AC	1998	9	99	45.4	7.03	11.60	B9.5V	D	194256.26+404318.3
19429+4043	STT 383	AC	2002	10	99	45.2	7.03	11.60	B9.5V	D	194256.26+404318.3

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