00405-1631 BU  109AC

Coord 2000	00405-1631		Discov num	BU  109		Comp	AC		Coord arcsec 2000	00 40 28.56 -16 30 59.8
Date first	1873		Date last	2015		Obs	15
Pa first	355		Pa last	355		P.A. Now (θ)	355°
Sep first	100.0		Sep last	95.6		Sep. Now (ρ)	95.6"
Mag pri	6.59		Mag sec	11.30		delta mag (ΔM)	4.71		Spectral class	G5 (yellow)
Pri motion ra	+042		Sec motion ra	+014
Pri motion dec	-034		Sec motion dec	-007
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		147395	00405-1631	BU 109	AB	1898	2015	13	353	106.6	6.59	11.10	4.51
Show		147395	00405-1631	BU 109	AC	1873	2015	15	355	95.6	6.59	11.30	4.71		<===
Show			00405-1631	BU 109	BC	1873	2015	21	160	11.4	11.10	11.30	0.20

Triple system
3 visible stars in this system

Constellation	Cetus		SAO	147395		HIP	3175		Tycho2	5847-02200-1
HD	3794		HR	172		BD	BD-17 109		Distance	146.41
Distance ly	477.59		last precise pa	354.7		last precise sep	95.587

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00405-1631	BU 109	AC	1998	12	355	95.2	6.60	9.40		N D	004028.56-163059.8
00405-1631	BU 109	AC	1999	13	355	94.6	6.60	9.40		N D	004028.56-163059.8
00405-1631	BU 109	AC	2015	14	355	95.2	6.60	11.30	G5	N	004028.56-163059.8

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