01187-0052 HJ 5453AC

Coord 2000	01187-0052		Discov num	HJ 5453		Comp	AC		Coord arcsec 2000	01 18 41.10 -00 52 03.2
Date first	1907		Date last	2015		Obs	5
Pa first	27		Pa last	16		P.A. Now (θ)	16°
Sep first	242.7		Sep last	253.8		Sep. Now (ρ)	253.8"
Mag pri	8.00		Mag sec	13.60		delta mag (ΔM)	5.6		Spectral class	K1V (yellow-orange)
Pri motion ra	+430		Sec motion ra	+040
Pri motion dec	-249		Sec motion dec	+018
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.951 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		129219	01187-0052	EGN 1	Aa,Ab	2004	2005	3	139	1.0	8.00	11.50	3.50
Show		129219	01187-0052	HJ 5453	AB	1827	2015	23	208	27.9	8.00	11.94	3.94
Show		129219	01187-0052	HJ 5453	AC	1907	2015	5	16	253.8	8.00	13.60	5.60		<===

Quadruple system
3 visible stars in this system

Precise pa

15.6

Precise sep

253.801

Constellation

Cetus

SAO

129219

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01187-0052	HJ 5453	AC	1998	2	17	251.5	8.00	12.00		N D	011841.10-005203.2
01187-0052	HJ 5453	AC	1999	3	17	251.3	8.00	12.00		N D	011841.10-005203.2
01187-0052	HJ 5453	AC	2015	4	16	253.8	8.00	13.60	K1V	N	011841.10-005203.2

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