20293+3901 DAM 315

Coord 2000	20293+3901		Discov num	DAM 315		Comp			Coord arcsec 2000	20 29 17.60 +39 01 12.2
Date first	1998		Date last	2016		Obs	10
Pa first	280		Pa last	281		P.A. Now (θ)	281°
Sep first	10.0		Sep last	10.3		Sep. Now (ρ)	10.3"
Mag pri	13.40		Mag sec	13.80		delta mag (ΔM)	0.4		Spectral class	G5+G8 (yellow/yellow)
Pri motion ra	+007		Sec motion ra	-007
Pri motion dec	-027		Sec motion dec	-019
Notes

rPM=0.578 Nature of this double is uncertain.

Precise pa	280.7		Precise sep	10.285		Constellation	Cygnus		SAO	70100
Gaia DR2	99372744832

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20293+3901	DAM 315		2000	1	280	10.0	13.40	13.80			202917.60+390112.2
20293+3901	DAM 315		2002	3	280	10.1	13.40	13.80			202917.60+390112.2
20293+3901	DAM 315		2010	3	283	9.6	13.40	13.80			202917.60+390112.2
20293+3901	DAM 315		2016	6	281	10.3	13.40	13.80	G5+G8		202917.60+390112.2

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