20306+5817 LDS1473

Coord 2000	20306+5817		Discov num	LDS1473		Comp			Coord arcsec 2000	20 30 34.58 +58 17 15.0
Date first	1904		Date last	2015		Obs	11
Pa first	220		Pa last	219		P.A. Now (θ)	219°
Sep first	62.4		Sep last	63.9		Sep. Now (ρ)	63.9"
Mag pri	7.73		Mag sec	12.34		delta mag (ΔM)	4.61		Spectral class	K0 (yellow-orange)
Pri motion ra	-029		Sec motion ra	-031
Pri motion dec	-113		Sec motion dec	-127
Notes

rPM=0.108 (< 0.3, Physical double) This double is physical.

Precise pa	219.3		Precise sep	63.87		Constellation	Cygnus		SAO	32645
HIP	101184		Tycho2	3962-00632-1		Gaia DR2	63083011968		HD	195787
BD	BD+57 2207		Distance	119.62		Distance ly	390.2

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20306+5817	LDS1473		1999	3	219	64.0	10.00	14.80	K0	D	203034.58+581715.0
20306+5817	LDS1473		2009	4	219	65.4	10.00	14.80	K0	D	203034.58+581715.0
20306+5817	LDS1473		2010	6	219	63.9	7.73	12.34	K0		203034.58+581715.0
20306+5817	LDS1473		2015	7	219	63.9	7.73	12.34	K0		203034.58+581715.0

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