20103+2506 POU4242

Coord 2000	20103+2506		Discov num	POU4242		Comp			Coord arcsec 2000	20 10 19.91 +25 05 20.7
Date first	1899		Date last	2015		Obs	11
Pa first	295		Pa last	292		P.A. Now (θ)	292°
Sep first	16.3		Sep last	17.8		Sep. Now (ρ)	17.8"
Mag pri	13.20		Mag sec	13.80		delta mag (ΔM)	0.6		Spectral class
Pri motion ra	-003		Sec motion ra	-028
Pri motion dec	+001		Sec motion dec	+007
Notes

rPM=0.891 This double is not physical.

Precise pa	292.2		Precise sep	17.816		Constellation	Vulpecula		SAO	88291
Gaia DR2	75447735808

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20103+2506	POU4242		1997	2	293	17.6	13.20	13.80		D	201019.91+250520.7
20103+2506	POU4242		2009	3	292	17.8	13.20	13.80		D	201019.91+250520.7
20103+2506	POU4242		2010	6	292	17.9	13.20	13.80			201019.91+250520.7
20103+2506	POU4242		2015	7	292	17.8	13.20	13.80			201019.91+250520.7

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