00171+1857 GRV  19

Coord 2000	00171+1857		Discov num	GRV  19		Comp			Coord arcsec 2000	00 17 09.94 +18 57 12.1
Date first	1895		Date last	2015		Obs	7
Pa first	3		Pa last	4		P.A. Now (θ)	4°
Sep first	14.7		Sep last	14.2		Sep. Now (ρ)	14.2"
Mag pri	11.09		Mag sec	12.02		delta mag (ΔM)	0.93		Spectral class
Pri motion ra	+032		Sec motion ra	+041
Pri motion dec	-032		Sec motion dec	-032
Notes

rPM=0.173 (< 0.3, Physical double) This double is physical.

Precise pa	4.2		Precise sep	14.21		Constellation	Pisces		Tycho2	1182-01335-1
Gaia DR2	2797406379928348928

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00171+1857	GRV 19		2000	3	4	14.2	11.80	12.00		D	001709.94+185712.1
00171+1857	GRV 19		2013	4	3	14.8	11.09	12.02			001709.94+185712.1
00171+1857	GRV 19		2015	5	4	14.2	11.09	12.02			001709.94+185712.1

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