01178+4153 COU1357AB

Coord 2000	01178+4153		Discov num	COU1357		Comp	AB		Coord arcsec 2000	01 17 47.44 +41 52 34.1
Date first	1975		Date last	2009		Obs	6
Pa first	297		Pa last	295		P.A. Now (θ)	295°
Sep first	0.7		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	10.64		Mag sec	10.30		delta mag (ΔM)	0.34		Spectral class	G0 (yellow)
Pri motion ra	+018		Sec motion ra	+018
Pri motion dec	-018		Sec motion dec	-018
Notes

Nature of this double is uncertain.

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	2015	5	61	22.5	10.64	13.30	2.66

Triple system
3 visible stars in this system

Precise pa	294.9		Precise sep	0.743		Constellation	Andromeda		SAO	37089
Tycho2	2808-01730-1		Gaia DR2	372865318059753600

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01178+4153	COU1357	AB	1997	5	299	0.8	10.64	10.30	G0		011747.44+415234.1
01178+4153	COU1357	AB	2009	6	295	0.7	10.64	10.30	G0		011747.44+415234.1

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