20017+5806 AG  395

Coord 2000	20017+5806		Discov num	AG  395		Comp			Coord arcsec 2000	20 01 40.41 +58 05 45.5
Date first	1904		Date last	2016		Obs	15
Pa first	358		Pa last	357		P.A. Now (θ)	357°
Sep first	4.1		Sep last	4.3		Sep. Now (ρ)	4.3"
Mag pri	9.46		Mag sec	10.07		delta mag (ΔM)	0.61		Spectral class	A (white)
Pri motion ra	-001		Sec motion ra	-002
Pri motion dec	+004		Sec motion dec	+004
Notes	T (Parallax indicates physical)

Visually invisible, K-band or other infrared star rPM=0.224 (< 0.3, Physical double) This double is physical.

Precise pa	356.9		Precise sep	4.312		Constellation	Cygnus		SAO	32218
Tycho2	3944-00678-1		Gaia DR2	53949060096		HD	190380

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20017+5806	AG 395		2003	9	358	4.3	9.46	10.07	A	D	200140.41+580545.5
20017+5806	AG 395		2011	11	357	4.2	9.46	10.07	A		200140.41+580545.5
20017+5806	AG 395		2016	13	357	4.3	9.46	10.07	A		200140.41+580545.5

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