20329+1357 A  3108AB,CD

Coord 2000	20329+1357		Discov num	A  3108		Comp	AB,CD		Coord arcsec 2000	20 32 55.22 +13 56 40.0
Date first	1897		Date last	2016		Obs	20
Pa first	344		Pa last	340		P.A. Now (θ)	340°
Sep first	76.5		Sep last	98.4		Sep. Now (ρ)	98.4"
Mag pri	9.12		Mag sec	10.02		delta mag (ΔM)	0.9		Spectral class	F8 (yellow-white)
Pri motion ra	+022		Sec motion ra	-081
Pri motion dec	-015		Sec motion dec	+142
Notes	N L (See Notes, Linear solution)

Visually invisible, K-band or other infrared star rPM=1.149 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		106221	20329+1357	BU 670	AB	1877	2016	89	5	0.8	9.44	9.87	0.43
Show		106221	20329+1357	A 3108	AB,CD	1897	2016	20	340	98.4	9.12	10.02	0.90		<===
Show		106221	20329+1357	L 35	CD	1900	2016	59	136	0.5	10.60	10.92	0.32	Y

Quadruple system
6 visible stars in this system

Precise pa	340		Precise sep	98.43		Constellation	Delphinus		SAO	106221
Tycho2	1099-00955-1		Gaia DR2	71414985472

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20329+1357	A 3108	AB,CD	2004	13	340	96.8	9.12	10.02	F8	NLD	203255.22+135640.0
20329+1357	A 3108	AB,CD	2016	15	340	98.4	9.12	10.02	F8	NL	203255.22+135640.0

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