20187+4113 COU2640

Coord 2000	20187+4113		Discov num	COU2640		Comp			Coord arcsec 2000	20 18 42.32 +41 13 31.1
Date first	1991		Date last	2010		Obs	4
Pa first	262		Pa last	265		P.A. Now (θ)	265°
Sep first	0.4		Sep last	0.5		Sep. Now (ρ)	0.5"
Mag pri	10.72		Mag sec	10.71		delta mag (ΔM)	0.01		Spectral class	G5 (yellow)
Pri motion ra	+005		Sec motion ra	+005
Pri motion dec	+002		Sec motion dec	+002
Notes

Nature of this double is uncertain.

Precise pa	265		Precise sep	0.528		Constellation	Cygnus		Tycho2	3155-00011-1
Gaia DR2	95768144256		HD	228864

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20187+4113	COU2640		1991	2	262	0.5	10.72	10.71			201842.32+411331.1
20187+4113	COU2640		2010	4	265	0.5	10.72	10.71			201842.32+411331.1

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