00277-1625 HJ 1968AB

Coord 2000	00277-1625		Discov num	HJ 1968		Comp	AB		Coord arcsec 2000	00 27 40.29 -16 24 34.3
Date first	1830		Date last	2015		Obs	53
Pa first	61		Pa last	234		P.A. Now (θ)	234°
Sep first	20.0		Sep last	37.0		Sep. Now (ρ)	37"
Mag pri	7.26		Mag sec	10.03		delta mag (ΔM)	2.77		Spectral class	F6V (yellow-white)
Pri motion ra	+207		Sec motion ra	-076
Pri motion dec	+033		Sec motion dec	-142
Notes	L U (Linear solution, Proper motion indicates non-physical)

rPM=1.587 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00277-1625	YR 1	Aa,Ab	1997	2017	12	181	0.2	7.51	8.72	1.21	Y
Show			00277-1625	HJ 1968	AB	1830	2015	53	234	37.0	7.26	10.03	2.77		<===
Show			00277-1625	BU 1343	AC	1891	2015	15	135	77.1	7.26	12.58	5.32

Quadruple system
3 visible stars in this system

Precise pa	234.1		Precise sep	36.962		Constellation	Cetus		SAO	147286
HIP	2190		Gaia DR2	26008993152		HD	2394		BD	BD-17 61
Distance	74.68		Distance ly	243.61

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00277-1625	HJ 1968	AB	2006	43	234	33.9	7.26	10.03	F6V	NLD	002740.30-162434.3
00277-1625	HJ 1968	AB	2010	45	234	35.2	7.26	10.03	F6V	NLD	002740.30-162434.3
00277-1625	HJ 1968	AB	2011	46	234	35.4	7.26	10.03	F6V	NLD	002740.30-162434.3
00277-1625	HJ 1968	AB	2012	49	234	35.9	7.26	10.03	F6V	NLD	002740.30-162434.3
00277-1625	HJ 1968	AB	2013	51	234	36.0	7.26	10.03	F6V	NL U	002740.30-162434.3
00277-1625	HJ 1968	AB	2015	52	232	34.1	7.26	10.03	F6V	L U	002740.29-162434.3

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