20039+2351 COU 520

Coord 2000	20039+2351		Discov num	COU 520		Comp			Coord arcsec 2000	20 03 55.52 +23 50 50.2
Date first	1970		Date last	2007		Obs	2
Pa first	150		Pa last	144		P.A. Now (θ)	144°
Sep first	1.2		Sep last	1.4		Sep. Now (ρ)	1.4"
Mag pri	7.44		Mag sec	13.00		delta mag (ΔM)	5.56		Spectral class	K0 (yellow-orange)
Pri motion ra	+028		Sec motion ra
Pri motion dec	+008		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	144.2		Precise sep	1.431		Constellation	Vulpecula		SAO	88139
Tycho2	2141-01513-1		Gaia DR2	00224472704		HD	190384

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20039+2351	COU 520		1970	1	150	1.2	7.44	13.00	K0		200355.52+235050.2
20039+2351	COU 520		2007	2	144	1.4	7.44	13.00	K0		200355.52+235050.2

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