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	2017		Obs	67
Pa first	73		Pa last	18		P.A. Now (θ)	18.8°
Sep first	3.0		Sep last	5.0		Sep. Now (ρ)	5.08"
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)

Visually invisible, K-band or other infrared star rPM=0.086 (< 0.3, Physical double) 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	2017	67	19	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

Precise pa	17.9		Precise sep	4.957		Name	Eps Scl		Constellation	Sculptor
SAO	167275		HIP	8209		Tycho2	6429-02283-1		Gaia DR2	44391354496
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	17.9		last precise sep	4.957

Period (P)	2198.2863y	± 1027.977	Periastron (T)	1715.3398y	± 418.8804	Semi-major axis (a)	17.06118a	± 10.01164
Eccentricity (e)	0.85702	± 0.12641	Inclination (i)	105.297°	± 8.361	Longitude of periastron (ω)	295.982°	± 39.854
Node (Ω)	105.271°	± 50.393	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation	2009

label rho theta 2000 4.923 24.0 2001 4.930 23.7 2002 4.937 23.4 2003 4.945 23.2 2004 4.952 22.9 2005 4.959 22.6 2006 4.967 22.4 2007 4.974 22.1 2008 4.982 21.9 2009 4.989 21.6 2010 4.997 21.3 2011 5.005 21.1 2012 5.012 20.8 2013 5.020 20.6 2014 5.028 20.3 2015 5.036 20.1 2016 5.044 19.8 2017 5.053 19.5 2018 5.061 19.3 2019 5.069 19.0 2020 5.078 18.8 2021 5.086 18.5 2022 5.095 18.3 2023 5.103 18.0 2024 5.112 17.8 2025 5.121 17.5 2026 5.129 17.3 2027 5.138 17.0 2028 5.147 16.8 2029 5.156 16.6 2030 5.165 16.3 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
01456-2503	HJ 3461	AB	2015	65	19	5.0	5.38	8.50	F2V	NO	014538.65-250308.8
01456-2503	HJ 3461	AB	2017	66	18	5.0	5.38	8.50	F2V	NO	014538.65-250308.8

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