20348+4531 ES  805

Coord 2000	20348+4531		Discov num	ES  805		Comp			Coord arcsec 2000	20 34 46.31 +45 30 49.7
Date first	1909		Date last	2015		Obs	9
Pa first	135		Pa last	152		P.A. Now (θ)	152°
Sep first	9.0		Sep last	7.9		Sep. Now (ρ)	7.9"
Mag pri	10.20		Mag sec	11.20		delta mag (ΔM)	1		Spectral class
Pri motion ra	+018		Sec motion ra	+016
Pri motion dec	+001		Sec motion dec	-026
Notes

rPM=0.887 This double is not physical.

Precise pa	151.6		Precise sep	7.924		Constellation	Cygnus		Tycho2	3573-00600-1
Gaia DR2	52747523072

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20348+4531	ES 805		2003	3	150	8.0	10.20	11.20		D	203446.31+453049.7
20348+4531	ES 805		2010	5	150	7.3	10.20	11.20			203446.31+453049.7
20348+4531	ES 805		2015	5	152	7.9	10.20	11.20			203446.31+453049.7

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