19591+3532 MAD  11AC

Coord 2000	19591+3532		Discov num	MAD  11		Comp	AC		Coord arcsec 2000	19 59 07.47 +35 32 10.1
Date first	1843		Date last	2019		Obs	22
Pa first	202		Pa last	182		P.A. Now (θ)	182°
Sep first	12.5		Sep last	13.7		Sep. Now (ρ)	13.7"
Mag pri	8.76		Mag sec	11.41		delta mag (ΔM)	2.65		Spectral class	B9V (blue-white)
Pri motion ra	-001		Sec motion ra	+000
Pri motion dec	-003		Sec motion dec	-003
Notes	N (See Notes)

rPM=0.316 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69205	19 59 07 +35 32 10	STF 2610 AB	2019	41	296	4.3	8.76	9.24	0.48
Show		69205	19 59 07 +35 32 10	MAD 11 AC	2019	22	182	13.7	8.76	11.41	2.65		<===
Show		69205	19 59 07 +35 32 10	GLP 17 AD	2015	8	16	53.1	8.76	11.39	2.63
Show		69205	19 59 07 +35 32 12	MAD 11 BC	2019	17	200	12.6	9.20	11.41	2.21

Quadruple system
4 visible stars in this system

Precise pa	182.1		Precise sep	13.727		Constellation	Cygnus		SAO	69205
HIP	98369		Tycho2	2678-00142-1		Gaia DR2	2059488362367675392		HD	189528
BD	BD+35 3898		Distance	358.42		Distance ly	1169.17

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19591+3532	MAD 11	AC	2008	18	201	12.7	8.76	11.41		D	195907.47+353210.1
19591+3532	MAD 11	AC	2015	21	201	12.6	8.76	11.41	B9V	N	195907.47+353210.1
19591+3532	MAD 11	AC	2019	22	182	13.7	8.76	11.41	B9V	N	195907.47+353210.1

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