00455-1253 BUP   8AB (18 Cet)

Coord 2000	00455-1253		Discov num	BUP   8		Comp	AB		Coord arcsec 2000	00 45 28.69 -12 52 50.9
Date first	1901		Date last	2015		Obs	7
Pa first	232		Pa last	245		P.A. Now (θ)	245°
Sep first	78.0		Sep last	61.7		Sep. Now (ρ)	61.7"
Mag pri	6.21		Mag sec	13.13		delta mag (ΔM)	6.92		Spectral class	G0V (yellow)
Pri motion ra	-032		Sec motion ra	+012
Pri motion dec	-206		Sec motion dec	-010
Notes	N (See 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	18 Cet	147432	00455-1253	BUP 8	AB	1901	2015	7	245	61.7	6.21	13.13	6.92		<===
Show		147432	00455-1253	TNN 2	AC	2004	2005	2	240	4.0	4.62	10.34	5.72

Triple system
3 visible stars in this system

Name	18 Cet		Constellation	Cetus		SAO	147432		HIP	3559
Tycho2	5271-00677-1		HD	4307		HR	203		GC	907
GL	GJ 1020		BD	BD-13 128		Flamsteed	18 Ceti		Flamsteed name	18 Cet
Distance	31		Distance ly	101.12		last precise pa	245.1		last precise sep	61.74

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00455-1253	BUP 8	AB	1999	6	242	64.0	6.21	13.13	G0V	N	004528.69-125250.9
00455-1253	BUP 8	AB	2015	7	245	61.7	6.21	13.13	G0V	N	004528.69-125250.9

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