00405-1631 BU  109AB

Coord 2000	00405-1631		Discov num	BU  109		Comp	AB		Coord arcsec 2000	00 40 28.56 -16 30 59.8
Date first	1898		Date last	2015		Obs	13
Pa first	355		Pa last	353		P.A. Now (θ)	353°
Sep first	103.1		Sep last	106.6		Sep. Now (ρ)	106.6"
Mag pri	6.59		Mag sec	11.10		delta mag (ΔM)	4.51		Spectral class	G8III (yellow)
Pri motion ra	+042		Sec motion ra	+015
Pri motion dec	-034		Sec motion dec	-012
Notes	N (See Notes)

rPM=0.645 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

Precise pa	353.1		Precise sep	106.634		Cdsa2 id	BU 109 AB		Constellation	Cetus
SAO	147395		HIP	3175		Tycho2	5847-02200-1		HD	3794
HR	172		BD	BD-17 109		Ra deg	0.6746		De deg	-16.51661111111111
Distance	146.41		Distance ly	477.59		last precise pa	353.1		last precise sep	106.634

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00405-1631	BU 109	AB	1999	11	354	105.6	6.60	10.40	G8III	N	004028.56-163059.8
00405-1631	BU 109	AB	2003	11	356	97.5	6.60	9.10	G8III	N D	004028.56-163059.8
00405-1631	BU 109	AB	2015	12	353	106.2	6.60	11.10	G8III	N	004028.56-163059.8

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