01005-1705 BU  234AC

Coord 2000	01005-1705		Discov num	BU  234		Comp	AC		Coord arcsec 2000	01 00 31.63 -17 04 36.3
Date first	1876		Date last	2016		Obs	19
Pa first	132		Pa last	129		P.A. Now (θ)	129°
Sep first	60.3		Sep last	62.7		Sep. Now (ρ)	62.7"
Mag pri	9.16		Mag sec	9.11		delta mag (ΔM)	0.05		Spectral class	F0 (yellow-white)
Pri motion ra	+000		Sec motion ra	+029
Pri motion dec	-008		Sec motion dec	+004
Notes	Z (Parallax indicates components are physical)

Visually invisible, K-band or other infrared star rPM=1.072 This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		147565	01005-1705	BU 234	AB	1875	2016	28	333	4.7	9.16	9.23	0.07
Show		147565	01005-1705	BU 234	AC	1876	2016	19	129	62.7	9.16	9.11	0.05		<===

Triple system
3 visible stars in this system

Precise pa	128.9		Precise sep	62.679		Constellation	Cetus		SAO	147565
HIP	4711		Tycho2	5848-01559-2		Gaia DR2	71708433152		HD	5910
BD	BD-17 175		Distance	153.37		Distance ly	500.29

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01005-1705	BU 234	AC	2003	14	130	62.2	9.16	9.11	F0	ZD	010031.63-170436.3
01005-1705	BU 234	AC	2011	16	129	62.2	9.16	9.11	F0	ZD	010031.63-170436.3
01005-1705	BU 234	AC	2016	18	129	62.7	9.16	9.11	F0	Z	010031.63-170436.3

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