19497-3128 LDS4820

Coord 2000	19497-3128		Discov num	LDS4820		Comp			Coord arcsec 2000	19 49 43.59 -31 28 31.2
Date first	1960		Date last	2015		Obs	6
Pa first	323		Pa last	320		P.A. Now (θ)	320°
Sep first	195.0		Sep last	197.0		Sep. Now (ρ)	197"
Mag pri	15.22		Mag sec	15.44		delta mag (ΔM)	0.22		Spectral class
Pri motion ra	-032		Sec motion ra	-072
Pri motion dec	-089		Sec motion dec	-076
Notes

rPM=0.402 Nature of this double is uncertain.

Precise pa	319.8		Precise sep	197.037		Constellation	Sagittarius		SAO	211586
Gaia DR2	49639323648

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19497-3128	LDS4820		1999	2	320	196.6	15.27	15.63		D	194943.59-312831.2
19497-3128	LDS4820		2010	5	320	197.0	15.22	15.44			194943.59-312831.2
19497-3128	LDS4820		2015	6	320	197.0	15.22	15.44			194943.59-312831.2

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