20158+4233 ES 1567

Coord 2000	20158+4233		Discov num	ES 1567		Comp			Coord arcsec 2000	20 15 50.83 +42 33 30.8
Date first	1916		Date last	2018		Obs	6
Pa first	177		Pa last	182		P.A. Now (θ)	182°
Sep first	2.0		Sep last	2.4		Sep. Now (ρ)	2.4"
Mag pri	10.74		Mag sec	11.39		delta mag (ΔM)	0.65		Spectral class
Pri motion ra	+012		Sec motion ra	+012
Pri motion dec	+070		Sec motion dec	+070
Notes

Nature of this double is uncertain.

Precise pa	181.8		Precise sep	2.391		Constellation	Cygnus		Tycho2	3159-01167-1
Gaia DR2	00297871488

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20158+4233	ES 1567		1991	4	184	2.2	10.74	11.39			201550.83+423330.8
20158+4233	ES 1567		2015	5	182	2.3	10.74	11.39			201550.83+423330.8

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