20128+1508 CHE 199

Coord 2000	20128+1508		Discov num	CHE 199		Comp			Coord arcsec 2000	20 12 49.04 +15 08 25.5
Date first	1910		Date last	2015		Obs	12
Pa first	10		Pa last	7		P.A. Now (θ)	7°
Sep first	25.1		Sep last	23.9		Sep. Now (ρ)	23.9"
Mag pri	9.26		Mag sec	10.38		delta mag (ΔM)	1.12		Spectral class	K7 (yellow-orange)
Pri motion ra	-003		Sec motion ra	-004
Pri motion dec	-007		Sec motion dec	-008
Notes

rPM=0.158 (< 0.3, Physical double) This double is physical.

Precise pa	7.1		Precise sep	23.877		Constellation	Aquila		Tycho2	1618-02083-1
Gaia DR2	90651248768		HD	355117

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20128+1508	CHE 199		1998	3	8	24.1	9.26	10.38		D	201249.04+150825.5
20128+1508	CHE 199		2008	4	7	24.0	9.26	10.38		D	201249.04+150825.5
20128+1508	CHE 199		2010	7	7	23.9	9.26	10.38	K7		201249.04+150825.5
20128+1508	CHE 199		2015	8	7	23.9	9.26	10.38	K7		201249.04+150825.5

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