01580-0204 BU    7AC

Coord 2000	01580-0204		Discov num	BU    7		Comp	AC		Coord arcsec 2000	01 57 59.39 -02 03 34.2
Date first	1891		Date last	2011		Obs	16
Pa first	197		Pa last	199		P.A. Now (θ)	199°
Sep first	148.9		Sep last	152.1		Sep. Now (ρ)	152.1"
Mag pri	6.58		Mag sec	8.84		delta mag (ΔM)	2.26		Spectral class	A0 (white)
Pri motion ra	+037		Sec motion ra	+000
Pri motion dec	+009		Sec motion dec	-001
Notes

rPM=1.007 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	58 Cet		01580-0204	BU 7	AB	1871	2012	20	18	2.8	6.58	10.36	3.78
Show			01580-0204	BU 7	AC	1891	2011	16	199	152.1	6.58	8.84	2.26		<===

Triple system
3 visible stars in this system

Precise pa	199		Precise sep	152.08		Constellation	Cetus		HIP	9165
Tycho2	4686-02532-1		Gaia DR2	91408658560		HD	12020		GC	2375
BD	BD-02 330		Flamsteed	58 Ceti		Flamsteed name	58 Cet		Distance	149.7
Distance ly	488.32

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01580-0204	BU 7	AC	2002	14	200	151.1	6.58	8.84	A0	D	015759.39-020334.2
01580-0204	BU 7	AC	2011	15	199	152.1	6.58	8.84	A0	D	015759.39-020334.2

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