20060+3547 BU  429AC

Coord 2000	20060+3547		Discov num	BU  429		Comp	AC		Coord arcsec 2000	20 05 57.32 +35 47 18.2
Date first	1876		Date last	2019		Obs	30
Pa first	26		Pa last	29		P.A. Now (θ)	29°
Sep first	7.8		Sep last	12.8		Sep. Now (ρ)	12.8"
Mag pri	6.78		Mag sec	11.00		delta mag (ΔM)	4.22		Spectral class	WN5 (Wolf-Rayet)
Pri motion ra	-006		Sec motion ra
Pri motion dec	-005		Sec motion dec
Notes	N (See Notes)

Visually invisible, K-band or other infrared star 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	V1676 Cyg	69402	20060+3547	BU 440	AB	1876	2015	16	63	6.9	6.78	12.00	5.22
Show		69402	20060+3547	BU 429	AC	1876	2019	30	29	12.8	6.78	11.00	4.22		<===
Show		69402	20060+3547	SHJ 314	AD	1783	2019	42	300	11.3	6.78	9.49	2.71
Show		69402	20060+3547	BU 429	AE	1876	2015	24	107	28.0	6.78	11.42	4.64
Show		69402	20060+3547	SHJ 314	AF	1783	2019	50	28	36.3	6.78	7.30	0.52
Show		69402	20060+3547	HAU 26	AG	1895	2015	8	43	38.5	6.78	13.80	7.02
Show		69402	20060+3547	DOO 78	AH	1896	2015	8	57	29.7	6.78	13.80	7.02
Show		69403	20060+3547	BU 429	FG	1876	2015	16	110	10.2	7.30	13.80	6.50
Show		69403	20060+3547	DOO 78	FH	1783	2015	12	153	17.5	7.30	13.80	6.50

Octuple system
8 visible stars in this system

Precise pa	29.4		Precise sep	12.786		Var name	V1676 Cyg		Constellation	Cygnus
SAO	69402		HIP	99002		Tycho2	2682-01564-1		Gaia DR2	48587289728
HD	190918		BD	BD+35 3953		Distance	826.45		Distance ly	2695.88

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20060+3547	BU 429	AC	2003	24	28	12.1	6.78	11.00		D	200557.33+354718.2
20060+3547	BU 429	AC	2008	25	29	12.4	6.78	11.00		N D	200557.33+354718.2
20060+3547	BU 429	AC	2012	26	30	12.4	6.78	11.00		N D	200557.33+354718.2
20060+3547	BU 429	AC	2013	28	32	11.8	6.78	11.00	WN5	N	200557.32+354718.2
20060+3547	BU 429	AC	2015	29	29	12.6	6.78	11.00	WN5	N	200557.32+354718.2
20060+3547	BU 429	AC	2019	30	29	12.8	6.78	11.00	WN5	N	200557.32+354718.2

If you need more information about this double, apply for a data request form to the WDS.