18517+5116 ES  788

Coord 2000	18517+5116		Discov num	ES  788		Comp			Coord arcsec 2000	18 51 39.23 +51 15 50.7
Date first	1909		Date last	1993		Obs	7
Pa first	317		Pa last	319		P.A. Now (θ)	319°
Sep first	3.1		Sep last	3.6		Sep. Now (ρ)	3.6"
Mag pri	9.41		Mag sec	11.99		delta mag (ΔM)	2.58		Spectral class	G5 (yellow)
Pri motion ra	+018		Sec motion ra	+016
Pri motion dec	+020		Sec motion dec	+025
Notes

rPM=0.181 (< 0.3, Physical double) This double is physical.

Precise pa	318.6		Precise sep	3.64		Constellation	Draco		Tycho2	3552-00978-1
HD	234729		last precise pa	318.6		last precise sep	3.64

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18517+5116	ES 788		1993	7	319	3.6	9.41	11.99	G5		185139.23+511550.7

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