20168+1543 CHE 266

Coord 2000	20168+1543		Discov num	CHE 266		Comp			Coord arcsec 2000	20 16 49.50 +15 42 53.9
Date first	1910		Date last	2015		Obs	13
Pa first	51		Pa last	51		P.A. Now (θ)	51°
Sep first	38.3		Sep last	36.5		Sep. Now (ρ)	36.5"
Mag pri	9.57		Mag sec	10.41		delta mag (ΔM)	0.84		Spectral class	K2 (yellow-orange)
Pri motion ra	+011		Sec motion ra	+003
Pri motion dec	+003		Sec motion dec	-009
Notes

rPM=1.265 This double is not physical.

Precise pa	50.7		Precise sep	36.475		Constellation	Delphinus		Tycho2	1631-00493-1
Gaia DR2	44116423296		HD	355381

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20168+1543	CHE 266		1998	2	51	36.7	9.57	10.41		D	201649.50+154253.9
20168+1543	CHE 266		2008	3	51	36.3	9.57	10.41		D	201649.50+154253.9
20168+1543	CHE 266		2013	7	51	36.4	9.57	10.41			201649.50+154253.9
20168+1543	CHE 266		2015	9	51	36.5	9.57	10.41	K2		201649.50+154253.9

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