20004+1720 SLE 676

Coord 2000	20004+1720		Discov num	SLE 676		Comp			Coord arcsec 2000	20 00 27.76 +17 20 13.1
Date first	1900		Date last	2015		Obs	10
Pa first	230		Pa last	228		P.A. Now (θ)	228°
Sep first	12.4		Sep last	12.6		Sep. Now (ρ)	12.6"
Mag pri	11.17		Mag sec	12.30		delta mag (ΔM)	1.13		Spectral class
Pri motion ra	+001		Sec motion ra	+002
Pri motion dec	-007		Sec motion dec	-005
Notes

rPM=0.316 Nature of this double is uncertain.

Precise pa	227.6		Precise sep	12.582		Constellation	Sagitta		Tycho2	1621-01137-1
Gaia DR2	70787234816

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20004+1720	SLE 676		1997	4	228	12.9	11.17	12.30		D	200027.76+172013.1
20004+1720	SLE 676		2001	5	228	12.7	11.17	12.30		D	200027.76+172013.1
20004+1720	SLE 676		2015	6	228	12.6	11.17	12.30			200027.76+172013.1

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