20329+1357 BU  670AB

Coord 2000	20329+1357		Discov num	BU  670		Comp	AB		Coord arcsec 2000	20 32 55.22 +13 56 40.0
Date first	1877		Date last	2016		Obs	92
Pa first	58		Pa last	5		P.A. Now (θ)	5°
Sep first	0.8		Sep last	0.8		Sep. Now (ρ)	0.8"
Mag pri	9.44		Mag sec	9.87		delta mag (ΔM)	0.43		Spectral class	F8 (yellow-white)
Pri motion ra	+019		Sec motion ra	+019
Pri motion dec	-017		Sec motion dec	-017
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		106221	20 32 55 +13 56 40	BU 670 AB	2016	92	5	0.8	9.44	9.87	0.43		<===
Show		106221	20 32 55 +13 56 40	A 3108 AB,CD	2016	20	340	98.4	9.12	10.02	0.90
Show		106221	20 32 53 +13 58 09	L 35 CD	2016	61	134	0.5	10.60	10.92	0.32	Y

Quadruple system
6 visible stars in this system

Precise pa	5.3		Precise sep	0.84		Constellation	Delphinus		SAO	106221
Tycho2	1099-00955-1		Gaia DR2	1804320571414985472

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20329+1357	BU 670	AB	2005	92	9	0.8	9.44	9.87	F8		203255.22+135640.0
20329+1357	BU 670	AB	2008	93	6	0.8	9.44	9.87	F8	N	203255.22+135640.0
20329+1357	BU 670	AB	2016	89	5	0.8	9.44	9.87	F8	N	203255.22+135640.0

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