20060+3546 ES   25AB

Coord 2000	20060+3546		Discov num	ES   25		Comp	AB		Coord arcsec 2000	20 06 01.36 +35 45 55.9
Date first	1895		Date last	2015		Obs	11
Pa first	111		Pa last	122		P.A. Now (θ)	122°
Sep first	9.4		Sep last	8.6		Sep. Now (ρ)	8.6"
Mag pri	7.89		Mag sec	12.00		delta mag (ΔM)	4.11		Spectral class	B5n (blue-white)
Pri motion ra	-002		Sec motion ra
Pri motion dec	-004		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		69405	20060+3546	ES 25	AB	1895	2015	11	122	8.6	7.89	12.00	4.11		<===
Show		69405	20060+3546	ES 25	AC	1900	2015	12	297	11.8	7.89	14.80	6.91
Show		69405	20060+3546	SHJ 315	AD	1823	2018	32	236	20.2	7.89	8.73	0.84
Show		69405	20060+3546	WAL 127	AE	1895	2015	15	94	33.7	7.89	11.71	3.82
Show		69405	20060+3546	ES 25	AF	1895	2017	17	329	95.7	7.89	6.78	1.11
Show		69405	20060+3546	SEI 865	EG	1895	2015	14	196	14.5	11.71	11.80	0.09

Septuple system
7 visible stars in this system

Precise pa	121.8		Precise sep	8.648		Constellation	Cygnus		SAO	69405
Tycho2	2683-03586-1		Gaia DR2	73709364864		HD	227634

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20060+3546	ES 25	AB	2002	6	121	8.6	7.89	12.00	B5n	D	200601.36+354555.9
20060+3546	ES 25	AB	2012	7	119	8.8	7.89	12.00	B5n	N	200601.36+354555.9
20060+3546	ES 25	AB	2015	7	121	8.8	7.89	12.00	B5n	N	200601.36+354555.9

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