01219-2545 HJ 2040AC

Coord 2000	01219-2545		Discov num	HJ 2040		Comp	AC		Coord arcsec 2000	01 21 51.38 -25 44 19.9
Date first	1830		Date last	2015		Obs	9
Pa first	274		Pa last	257		P.A. Now (θ)	257°
Sep first	14.0		Sep last	30.7		Sep. Now (ρ)	30.7"
Mag pri	11.80		Mag sec	13.03		delta mag (ΔM)	1.23		Spectral class	K2III (yellow-orange)
Pri motion ra	-006		Sec motion ra	+005
Pri motion dec	-007		Sec motion dec	-014
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=0.877 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01219-2545	HJ 2040	AB	1830	2015	12	4	14.1	11.80	12.34	0.54
Show			01219-2545	HJ 2040	AC	1830	2015	9	257	30.7	11.80	13.03	1.23		<===

Triple system
3 visible stars in this system

Precise pa	256.8		Precise sep	30.707		Constellation	Sculptor		Tycho2	6425-01822-1
Gaia DR2	35456371328

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01219-2545	HJ 2040	AC	1998	4	257	30.9	11.80	12.10		D	012151.38-254419.9
01219-2545	HJ 2040	AC	1999	6	257	30.9	11.80	12.10		UD	012151.38-254419.9
01219-2545	HJ 2040	AC	2015	8	257	30.7	11.80	13.03	K2III	U	012151.38-254419.9

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