20069+3115 ABH 130AD

Coord 2000	20069+3115		Discov num	ABH 130		Comp	AD		Coord arcsec 2000	20 06 52.25 +31 15 02.2
Date first	1987		Date last	2015		Obs	8
Pa first	209		Pa last	208		P.A. Now (θ)	208°
Sep first	62.3		Sep last	61.2		Sep. Now (ρ)	61.2"
Mag pri	8.86		Mag sec	13.42		delta mag (ΔM)	4.56		Spectral class	F7V (yellow-white)
Pri motion ra	-039		Sec motion ra	+006
Pri motion dec	-030		Sec motion dec	-027
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.917 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69428	20069+3115	SEI 882	AB	1893	2015	21	60	33.9	8.86	10.58	1.72
Show		69428	20069+3115	ES 2690	AC	1893	2015	16	250	33.6	8.86	10.55	1.69
Show		69428	20069+3115	ABH 130	AD	1987	2015	8	208	61.2	8.86	13.42	4.56		<===
Show		69428	20069+3115	ABH 130	AE	1987	2015	8	222	65.0	8.86	13.36	4.50

Quintuple system
5 visible stars in this system

Precise pa	207.9		Precise sep	61.181		Constellation	Cygnus		SAO	69428
Tycho2	2671-01412-1		Gaia DR2	69597882624

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20069+3115	ABH 130	AD	1998	2	209	61.8	8.86	13.42	F7V	D	200652.25+311502.2
20069+3115	ABH 130	AD	2002	3	208	61.5	8.86	13.42	F7V	UD	200652.25+311502.2
20069+3115	ABH 130	AD	2012	4	207	61.0	8.86	13.42	F7V	UD	200652.25+311502.2
20069+3115	ABH 130	AD	2015	5	208	61.2	8.86	13.42	F7V	U	200652.25+311502.2

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