20052+1619 SLE 681

Coord 2000	20052+1619		Discov num	SLE 681		Comp			Coord arcsec 2000	20 05 24.71 +16 19 24.1
Date first	1984		Date last	2015		Obs	10
Pa first	313		Pa last	313		P.A. Now (θ)	313°
Sep first	13.2		Sep last	13.3		Sep. Now (ρ)	13.3"
Mag pri	11.10		Mag sec	12.10		delta mag (ΔM)	1		Spectral class
Pri motion ra	+000		Sec motion ra	+002
Pri motion dec	-008		Sec motion dec	-004
Notes

rPM=0.559 Nature of this double is uncertain.

Precise pa	313.2		Precise sep	13.335		Constellation	Sagitta		SAO	105661
Tycho2	1617-00959-1		Gaia DR2	32676776192		HD	354792

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20052+1619	SLE 681		2000	2	313	13.4	11.10	12.10		D	200524.71+161924.1
20052+1619	SLE 681		2001	4	313	13.3	11.10	12.10		D	200524.71+161924.1
20052+1619	SLE 681		2010	5	314	13.3	11.10	12.10			200524.71+161924.1
20052+1619	SLE 681		2015	6	313	13.3	11.10	12.10			200524.71+161924.1

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