01178+4153 GRV  81AC

Coord 2000	01178+4153		Discov num	GRV  81		Comp	AC		Coord arcsec 2000	01 17 47.44 +41 52 34.1
Date first	1952		Date last	2010		Obs	4
Pa first	62		Pa last	62		P.A. Now (θ)	62°
Sep first	22.5		Sep last	22.6		Sep. Now (ρ)	22.6"
Mag pri	10.64		Mag sec	13.30		delta mag (ΔM)	2.66		Spectral class	G0 (yellow)
Pri motion ra	+018		Sec motion ra	+019
Pri motion dec	-018		Sec motion dec	-018
Notes

rPM=0.038 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		37089	01178+4153	COU1357	AB	1975	2009	6	295	0.7	10.64	10.30	0.34
Show		37089	01178+4153	GRV 81	AC	1952	2010	4	62	22.6	10.64	13.30	2.66		<===

Triple system
3 visible stars in this system

Precise pa	61.5		Precise sep	22.63		Constellation	Andromeda		SAO	37089
Tycho2	2808-01730-1		last precise pa	61.5		last precise sep	22.63

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01178+4153	GRV 81	AC	2000	2	61	22.6	9.50	13.30		D	011747.44+415234.1
01178+4153	GRV 81	AC	2002	3	61	22.7	10.64	13.30		D	011747.44+415234.1
01178+4153	GRV 81	AC	2010	4	62	22.6	10.64	13.30	G0		011747.44+415234.1

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