01456-2503 HJ 3461AB (Eps Scl)

Coord 2000	01456-2503		Discov num	HJ 3461		Comp	AB		Coord arcsec 2000	01 45 38.65 -25 03 08.8
Date first	1835		Date last	2009		Obs	64
Pa first	73		Pa last	20		P.A. Now (θ)	20.8°
Sep first	3.0		Sep last	5.1		Sep. Now (ρ)	5.07"
Mag pri	5.38		Mag sec	8.50		delta mag (ΔM)	3.12		Spectral class	F2V (yellow-white)
Pri motion ra	+162		Sec motion ra	+160
Pri motion dec	-057		Sec motion dec	-072
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Eps Scl	167275	01456-2503	HJ 3461	AB	1835	2009	64	21	5.1	5.38	8.50	3.12	Y	<===
Show		167275	01456-2503	HJ 3461	AC	1926	2000	3	12	10.6	5.38	15.00	9.62
Show		167275	01456-2503	HJ 3461	AD	1913	1998	5	204	141.7	5.38	11.74	6.36

Quadruple system
4 visible stars in this system

Name	Eps Scl		Constellation	Sculptor		SAO	167275		HIP	8209
Tycho2	6429-02283-1		HD	10830		HR	514		GC	2145
ADS	1394		CD	CD-25 704		CP	CP-25 201		Bayer	Epsilon Sculptoris
Bayer name	Eps Scl		Distance	28.11		Distance ly	91.69		last precise pa	20.4
last precise sep	5.1

Period (P)	1122.38y		Periastron (T)	2394.5y		Semi-major axis (a)	9.576a
Eccentricity (e)	0.661		Inclination (i)	106.9°		Longitude of periastron (ω)	264.3°
Node (Ω)	145.3°		Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2009

label rho theta 2000 4.926 25.4 2001 4.933 25.1 2002 4.941 24.9 2003 4.949 24.6 2004 4.956 24.3 2005 4.964 24.1 2006 4.972 23.8 2007 4.980 23.6 2008 4.988 23.3 2009 4.996 23.0 2010 5.004 22.8 2011 5.012 22.5 2012 5.021 22.3 2013 5.029 22.0 2014 5.037 21.8 2015 5.046 21.5 2016 5.054 21.3 2017 5.063 21.0 2018 5.071 20.8 2019 5.080 20.5 2020 5.089 20.3 2021 5.097 20.0 2022 5.106 19.8 2023 5.115 19.5 2024 5.124 19.3 2025 5.133 19.0 2026 5.142 18.8 2027 5.151 18.6 2028 5.160 18.3 2029 5.169 18.1 2030 5.178 17.8 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01456-2503	HJ 3461	AB	2002	61	24	4.9	5.38	8.50	F2V	NOD	014538.65-250308.8
01456-2503	HJ 3461	AB	2008	62	22	5.1	5.38	8.50	F2V	NOD	014538.65-250308.8
01456-2503	HJ 3461	AB	2009	63	20	5.1	5.38	8.50	F2V	NOD	014538.65-250308.8

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