01456-2503 HJ 3461AB (Eps Scl)

 
 
01h 45m 38.65s -25 03' 08.8" P.A. 18.50 sep 5.1 mag 5.38,8.50 Sp F2V dist. 28.11 pc (91.69 l.y.)
 
 
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)
18.5°
Sep first
3.0
Sep last
5.0
Sep. Now (ρ)
5.09"
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)
rPM=0.086 (< 0.3, Physical double)
This double is physical.
 
 
01456-2503 SYSTEM COMPONENTS
 
 
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 18 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
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
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
 
 
ORBITAL ELEMENTS
 
 
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 Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2009
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.
 
grafico orbita






wds01456-2503c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
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

If you need more information about this double, apply for a data request form to the WDS.