00143-2732 HDS 33 (HD 1002)
00h 14m 20.22s -27° 31' 51.9" P.A. 340.00 sep 0.1 mag 7.93,8.88 Sp G5V dist. 50.89 pc (166 l.y.)
| Coord 2000 |
00143-2732 |
|
Discov num |
HDS 33 |
|
Comp |
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Coord arcsec 2000 |
00 14 20.22 -27 31 51.9 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
16 |
|
| Pa first |
328 |
|
Pa last |
339.9 |
|
P.A. Now (θ) |
27.4° |
|
| Sep first |
0.1 |
|
Sep last |
0.132 |
|
Sep. Now (ρ) |
0.077" |
|
| Mag pri |
7.93 |
|
Mag sec |
8.88 |
|
delta mag (ΔM) |
0.95 |
|
Spectral class |
G5V (yellow) |
|
| Pri motion ra |
-028 |
|
Sec motion ra |
|
|
| Pri motion dec |
-145 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 1002 |
|
Constellation |
Sculptor |
|
SAO |
166137 |
|
HIP |
1144 |
|
| Tycho2 |
6419-01020-1 |
|
Gaia DR2 |
2323040096922657920 |
|
HD |
1002 |
|
CD |
CD-28 47 |
|
| CP |
CP-28 12 |
|
Distance |
50.89 |
|
Distance ly |
166 |
|
ORBITAL ELEMENTS
| Period (P) | 10.22y | ± 0.07 |
Periastron (T) | 2013.47y | ± 0.04 |
Semi-major axis (a) | 0.124a | ± 0.002 |
| Eccentricity (e) | 0.609 | ± 0.009 |
Inclination (i) | 28.4° | ± 2.5 |
Longitude of periastron (ω) | 80° | ± 4.3 |
| Node (Ω) | 35.3° | ± 5.3 |
Notes | | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
318.3 |
0.159 |
| 2001 |
335.4 |
0.138 |
| 2002 |
1.3 |
0.104 |
| 2003 |
69.3 |
0.052 |
| 2004 |
209.2 |
0.081 |
| 2005 |
244.4 |
0.128 |
| 2006 |
263.1 |
0.156 |
| 2007 |
277.1 |
0.171 |
| 2008 |
289.6 |
0.176 |
| 2009 |
301.8 |
0.174 |
| 2010 |
315.1 |
0.163 |
| 2011 |
331.2 |
0.143 |
| 2012 |
354.2 |
0.113 |
| 2013 |
44.1 |
0.064 |
| 2014 |
193.8 |
0.067 |
| 2015 |
239.0 |
0.120 |
| 2016 |
259.5 |
0.151 |
| 2017 |
274.3 |
0.168 |
| 2018 |
286.9 |
0.176 |
| 2019 |
299.1 |
0.175 |
| 2020 |
312.0 |
0.166 |
| 2021 |
327.2 |
0.148 |
| 2022 |
348.1 |
0.121 |
| 2023 |
27.4 |
0.077 |
| 2024 |
170.0 |
0.053 |
| 2025 |
232.7 |
0.110 |
| 2026 |
255.8 |
0.145 |
| 2027 |
271.3 |
0.165 |
| 2028 |
284.2 |
0.175 |
| 2029 |
296.4 |
0.176 |
| 2030 |
309.1 |
0.169 |
|
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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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