00170+2146 KU    4

Coord 2000	00170+2146		Discov num	KU    4		Comp			Coord arcsec 2000	00 17 01.49 +21 46 26.2
Date first	1901		Date last	2015		Obs	27
Pa first	135		Pa last	135		P.A. Now (θ)	135°
Sep first	2.5		Sep last	2.4		Sep. Now (ρ)	2.4"
Mag pri	9.78		Mag sec	10.64		delta mag (ΔM)	0.86		Spectral class	G0 (yellow)
Pri motion ra	+103		Sec motion ra	+103
Pri motion dec	-053		Sec motion dec	-053
Notes

Nature of this double is uncertain.

Precise pa	135.4		Precise sep	2.378		Constellation	Andromeda		HIP	1358
Tycho2	1185-01789-1		Gaia DR2	66843767040		BD	BD+20 18		Distance	178.57
Distance ly	582.5

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00170+2146	KU 4		2000	25	135	2.4	9.78	10.64	G0	D	001701.49+214626.2
00170+2146	KU 4		2009	26	136	2.4	9.78	10.64	G0	D	001701.49+214626.2
00170+2146	KU 4		2015	27	135	2.4	9.78	10.64	G0		001701.49+214626.2

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