01456-2503 HJ 3461 AB (Eps Scl)
01h 45m 38.65s -25° 03' 08.8" P.A. 18.00 sep 5.0 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 |
68 |
|
| Pa first |
73 |
|
Pa last |
17.9 |
|
P.A. Now (θ) |
17.9° |
|
| Sep first |
3.0 |
|
Sep last |
4.957 |
|
Sep. Now (ρ) |
4.957" |
|
| 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 |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Eps Scl |
167275 |
01 45 39 -25 03 09 |
HJ 3461 AB |
2017 |
68 |
18 |
5.0 |
5.38 |
8.50 |
3.12 |
Y |
<=== |
| Show |
|
167275 |
01 45 39 -25 03 09 |
HJ 3461 AC |
2000 |
3 |
12 |
10.6 |
5.38 |
15.00 |
9.62 |
|
|
| Show |
|
167275 |
01 45 39 -25 03 09 |
HJ 3461 AD |
1998 |
5 |
204 |
141.7 |
5.38 |
11.74 |
6.36 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Eps Scl |
|
Constellation |
Sculptor |
|
SAO |
167275 |
|
HIP |
8209 |
|
| Tycho2 |
6429-02283-1 |
|
Gaia DR2 |
5037943144391354496 |
|
HD |
10830 |
|
HR |
514 |
|
| GC |
2145 |
|
ADS |
1394 |
|
CD |
CD-25 704 |
|
CP |
CP-25 201 |
|
| Bayer |
Epsilon Sculptoris |
|
Bayer name |
Eps Scl |
|
FK5 |
61 |
|
Distance |
28.11 |
|
| Distance ly |
91.69 |
|
Bayer greek |
ε Scl |
|
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 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2009 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
24.0 |
4.923 |
| 2001 |
23.7 |
4.930 |
| 2002 |
23.4 |
4.937 |
| 2003 |
23.2 |
4.945 |
| 2004 |
22.9 |
4.952 |
| 2005 |
22.6 |
4.959 |
| 2006 |
22.4 |
4.967 |
| 2007 |
22.1 |
4.974 |
| 2008 |
21.9 |
4.982 |
| 2009 |
21.6 |
4.989 |
| 2010 |
21.3 |
4.997 |
| 2011 |
21.1 |
5.005 |
| 2012 |
20.8 |
5.012 |
| 2013 |
20.6 |
5.020 |
| 2014 |
20.3 |
5.028 |
| 2015 |
20.1 |
5.036 |
| 2016 |
19.8 |
5.044 |
| 2017 |
19.5 |
5.053 |
| 2018 |
19.3 |
5.061 |
| 2019 |
19.0 |
5.069 |
| 2020 |
18.8 |
5.078 |
| 2021 |
18.5 |
5.086 |
| 2022 |
18.3 |
5.095 |
| 2023 |
18.0 |
5.103 |
| 2024 |
17.8 |
5.112 |
| 2025 |
17.5 |
5.121 |
| 2026 |
17.3 |
5.129 |
| 2027 |
17.0 |
5.138 |
| 2028 |
16.8 |
5.147 |
| 2029 |
16.6 |
5.156 |
| 2030 |
16.3 |
5.165 |
| 2031 |
16.1 |
5.174 |
| 2032 |
15.8 |
5.184 |
| 2033 |
15.6 |
5.193 |
| 2034 |
15.4 |
5.202 |
| 2035 |
15.1 |
5.212 |
| 2036 |
14.9 |
5.221 |
| 2037 |
14.6 |
5.231 |
| 2038 |
14.4 |
5.240 |
| 2039 |
14.2 |
5.250 |
| 2040 |
13.9 |
5.259 |
| 2041 |
13.7 |
5.269 |
| 2042 |
13.5 |
5.279 |
| 2043 |
13.2 |
5.289 |
| 2044 |
13.0 |
5.299 |
| 2045 |
12.8 |
5.309 |
| 2046 |
12.5 |
5.319 |
| 2047 |
12.3 |
5.329 |
| 2048 |
12.1 |
5.339 |
| 2049 |
11.9 |
5.349 |
| 2050 |
11.6 |
5.360 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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