20001+3423 HU 1308AB

Coord 2000	20001+3423		Discov num	HU 1308		Comp	AB		Coord arcsec 2000	20 00 08.51 +34 23 01.1
Date first	1905		Date last	2016		Obs	20
Pa first	2		Pa last	28		P.A. Now (θ)	28°
Sep first	0.5		Sep last	0.5		Sep. Now (ρ)	0.5"
Mag pri	9.55		Mag sec	9.86		delta mag (ΔM)	0.31		Spectral class	A (white)
Pri motion ra	+004		Sec motion ra	+004
Pri motion dec	+001		Sec motion dec	+001
Notes

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			20001+3423	HU 1308	AB	1905	2016	20	28	0.5	9.55	9.86	0.31		<===
Show			20001+3423	SCA 180	AC	2017	2017	1	35	0.4	9.55	9.80	0.25
Show			20001+3423	SCA 180	BC	2017	2017	1	186	0.1	9.80	9.80	0.00

Triple system
3 visible stars in this system

Precise pa	27.6		Precise sep	0.52		Constellation	Cygnus		SAO	69236
Tycho2	2678-02028-1		Gaia DR2	93824162560		HD	189705

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20001+3423	HU 1308	AB	2016	20	28	0.5	9.55	9.86	A		200008.51+342301.1

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