01456-2503 HJ 3461AB (Eps Scl)

 
 
01H 45M 38.65S -25 03' 08.8" P.A. 21 SEP 5.06 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
2009
Obs
64
Pa first
73
Pa last
20
P.A. Now (θ)
21°
Sep first
3.0
Sep last
5.1
Sep. Now (ρ)
5.06"
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=0.08599999999999999 (< 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 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
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
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
 
 
ORBITAL ELEMENTS
 
 
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 Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
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.

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic