00300-0357 BU 1345AC

Coord 2000	00300-0357		Discov num	BU 1345		Comp	AC		Coord arcsec 2000	00 30 02.35 -03 57 26.3
Date first	1837		Date last	2015		Obs	9
Pa first	113		Pa last	110		P.A. Now (θ)	110°
Sep first	201.0		Sep last	223.7		Sep. Now (ρ)	223.7"
Mag pri	5.90		Mag sec	10.97		delta mag (ΔM)	5.07		Spectral class	M0III (red)
Pri motion ra	+011		Sec motion ra	+089
Pri motion dec	-012		Sec motion dec	-010
Notes	N (See Notes)

rPM=0.871 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	12 Cet	128791	00300-0357	HJ 322	AB	1827	2015	28	202	12.0	5.90	10.18	4.28
Show		128791	00300-0357	BU 1345	AC	1837	2015	9	110	223.7	5.90	10.97	5.07		<===

Triple system
3 visible stars in this system

Precise pa	109.5		Precise sep	223.74		Constellation	Cetus		SAO	128791
HIP	2353		Tycho2	4675-00412-1		Gaia DR2	2528508721022169728		HD	2637
HR	117		GC	584		BD	BD-04 54		Flamsteed	12 Ceti
Flamsteed name	12 Cet		Distance	173.91		Distance ly	567.29

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00300-0357	BU 1345	AC	1998	7	110	222.5	5.90	10.97		D	003002.35-035726.3
00300-0357	BU 1345	AC	1999	8	110	222.9	5.90	10.97		N D	003002.35-035726.3
00300-0357	BU 1345	AC	2015	9	110	223.7	5.90	10.97	M0III	N	003002.35-035726.3

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