20317+2520 POU4571

Coord 2000	20317+2520		Discov num	POU4571		Comp			Coord arcsec 2000	20 31 43.58 +25 19 43.8
Date first	1898		Date last	2008		Obs	2
Pa first	37		Pa last	15		P.A. Now (θ)	15°
Sep first	6.2		Sep last	4.8		Sep. Now (ρ)	4.8"
Mag pri	10.54		Mag sec	12.50		delta mag (ΔM)	1.96		Spectral class
Pri motion ra	+004		Sec motion ra
Pri motion dec	+002		Sec motion dec
Notes

Nature of this double is uncertain.

Precise pa	14.7		Precise sep	4.84		Constellation	Vulpecula		Tycho2	2161-00320-1
Gaia DR2	11968632832		HD	340504

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20317+2520	POU4571		1898	1	37	6.2	10.54	12.50			203143.58+251943.8
20317+2520	POU4571		2008	2	15	4.8	10.54	12.50			203143.58+251943.8

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