20002+1733 SLE 675 (13 Sge)

Coord 2000	20002+1733		Discov num	SLE 675		Comp			Coord arcsec 2000	20 00 09.57 +17 33 26.8
Date first	1904		Date last	2015		Obs	10
Pa first	304		Pa last	310		P.A. Now (θ)	310°
Sep first	8.6		Sep last	7.1		Sep. Now (ρ)	7.1"
Mag pri	11.40		Mag sec	11.60		delta mag (ΔM)	0.2		Spectral class
Pri motion ra	+007		Sec motion ra	+016
Pri motion dec	-002		Sec motion dec	+002
Notes

rPM=0.611 Nature of this double is uncertain.

Precise pa	310.1		Precise sep	7.14		Name	13 Sge		Constellation	Sagitta
SAO	105522		Gaia DR2	23890839296		HD	189577		HR	7645
DM	BD+17 4183		Flamsteed	13 Sagittae		Flamsteed name	13 Sge

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20002+1733	SLE 675		1997	3	309	7.4	11.40	11.60		D	200009.57+173326.8
20002+1733	SLE 675		2008	4	310	7.4	11.40	11.60		D	200009.57+173326.8
20002+1733	SLE 675		2015	6	310	7.1	11.40	11.60			200009.57+173326.8

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