00331+4018 GRV  30

Coord 2000	00331+4018		Discov num	GRV  30		Comp			Coord arcsec 2000	00 33 09.88 +40 18 30.1
Date first	1953		Date last	2010		Obs	4
Pa first	156		Pa last	156		P.A. Now (θ)	156°
Sep first	49.0		Sep last	48.7		Sep. Now (ρ)	48.7"
Mag pri	12.79		Mag sec	13.58		delta mag (ΔM)	0.79		Spectral class
Pri motion ra	-015		Sec motion ra	-015
Pri motion dec	-010		Sec motion dec	-007
Notes

rPM=0.166 (< 0.3, Physical double) This double is physical.

Precise pa	155.7		Precise sep	48.69		Constellation	Andromeda		Tycho2	2788-01594-1
last precise pa	155.7		last precise sep	48.69

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00331+4018	GRV 30		2000	2	156	48.8	12.60	13.40		D	003309.88+401830.1
00331+4018	GRV 30		2002	3	156	48.8	12.60	13.40		D	003309.88+401830.1
00331+4018	GRV 30		2010	4	156	48.7	12.79	13.58			003309.88+401830.1

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