05598-4814 HDS 814 (HD 41004)
05h 59m 49.69s -48° 14' 23.5" P.A. 151.00 sep 0.2 mag 8.82,12.51 Sp K2V dist. 40.77 pc (132.99 l.y.)
| Coord 2000 |
05598-4814 |
|
Discov num |
HDS 814 |
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Comp |
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Coord arcsec 2000 |
05 59 49.69 -48 14 23.5 |
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| Date first |
1991 |
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Date last |
2020 |
|
Obs |
10 |
|
| Pa first |
176 |
|
Pa last |
151.3 |
|
P.A. Now (θ) |
151.3° |
|
| Sep first |
0.5 |
|
Sep last |
0.242 |
|
Sep. Now (ρ) |
0.242" |
|
| Mag pri |
8.82 |
|
Mag sec |
12.51 |
|
delta mag (ΔM) |
3.69 |
|
Spectral class |
K2V (yellow-orange) |
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| Pri motion ra |
-042 |
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Sec motion ra |
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| Pri motion dec |
+065 |
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Sec motion dec |
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| Notes |
O
V
(Orbital solution, Proper motion indicates physical) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 41004 |
|
Constellation |
Pictor |
|
SAO |
217660 |
|
HIP |
28393 |
|
| Tycho2 |
8092-00538-1 |
|
Gaia DR2 |
4794830231453653888 |
|
HD |
41004 |
|
CD |
CD-48 2083 |
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| CP |
CP-48 761 |
|
Distance |
40.77 |
|
Distance ly |
132.99 |
|
ORBITAL ELEMENTS
| Period (P) | 175y | |
Periastron (T) | 2115.23y | |
Semi-major axis (a) | 0.991a | |
| Eccentricity (e) | 0.759 | |
Inclination (i) | 95° | |
Longitude of periastron (ω) | 86.8° | |
| Node (Ω) | 10.1° | |
Notes | n | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
173.0 |
0.462 |
| 2001 |
172.4 |
0.451 |
| 2002 |
171.9 |
0.441 |
| 2003 |
171.3 |
0.430 |
| 2004 |
170.6 |
0.420 |
| 2005 |
169.9 |
0.409 |
| 2006 |
169.2 |
0.398 |
| 2007 |
168.5 |
0.387 |
| 2008 |
167.7 |
0.376 |
| 2009 |
166.9 |
0.366 |
| 2010 |
166.0 |
0.355 |
| 2011 |
165.1 |
0.344 |
| 2012 |
164.1 |
0.333 |
| 2013 |
163.0 |
0.322 |
| 2014 |
161.8 |
0.311 |
| 2015 |
160.6 |
0.301 |
| 2016 |
159.3 |
0.290 |
| 2017 |
157.9 |
0.279 |
| 2018 |
156.4 |
0.269 |
| 2019 |
154.7 |
0.259 |
| 2020 |
152.9 |
0.248 |
| 2021 |
151.0 |
0.239 |
| 2022 |
148.9 |
0.229 |
| 2023 |
146.6 |
0.219 |
| 2024 |
144.1 |
0.210 |
| 2025 |
141.4 |
0.202 |
| 2026 |
138.5 |
0.193 |
| 2027 |
135.3 |
0.186 |
| 2028 |
131.8 |
0.178 |
| 2029 |
128.1 |
0.172 |
| 2030 |
124.1 |
0.166 |
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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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