00310-3138 HDS 69 (HD 2762)
00h 31m 01.17s -31° 38' 19.3" P.A. 96.00 sep 0.1 mag 10.45,10.45 Sp F8/G0V dist. 124.22 pc (405.21 l.y.)
| Coord 2000 |
00310-3138 |
|
Discov num |
HDS 69 |
|
Comp |
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Coord arcsec 2000 |
00 31 01.17 -31 38 19.3 |
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| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
7 |
|
| Pa first |
106 |
|
Pa last |
96.2 |
|
P.A. Now (θ) |
96.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.127 |
|
Sep. Now (ρ) |
0.127" |
|
| Mag pri |
10.45 |
|
Mag sec |
10.45 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
F8/G0V (yellow-white) |
|
| Pri motion ra |
+034 |
|
Sec motion ra |
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|
| Pri motion dec |
-189 |
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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 2762 |
|
Constellation |
Sculptor |
|
SAO |
192582 |
|
HIP |
2433 |
|
| Tycho2 |
6991-00695-1 |
|
Gaia DR2 |
2317410803546673792 |
|
HD |
2762 |
|
CD |
CD-32 163 |
|
| CP |
CP-32 52 |
|
Distance |
124.22 |
|
Distance ly |
405.21 |
|
ORBITAL ELEMENTS
| Period (P) | 61.2y | |
Periastron (T) | 2010.9y | |
Semi-major axis (a) | 0.135a | |
| Eccentricity (e) | 0.65 | |
Inclination (i) | 84° | |
Longitude of periastron (ω) | 198.2° | |
| Node (Ω) | 100.1° | |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
110.4 |
0.077 |
| 2001 |
112.1 |
0.065 |
| 2002 |
114.6 |
0.052 |
| 2003 |
118.8 |
0.039 |
| 2004 |
127.2 |
0.026 |
| 2005 |
151.6 |
0.014 |
| 2006 |
221.2 |
0.011 |
| 2007 |
257.8 |
0.022 |
| 2008 |
269.3 |
0.034 |
| 2009 |
274.8 |
0.044 |
| 2010 |
278.7 |
0.049 |
| 2011 |
282.5 |
0.044 |
| 2012 |
288.9 |
0.029 |
| 2013 |
318.0 |
0.010 |
| 2014 |
71.8 |
0.016 |
| 2015 |
87.2 |
0.036 |
| 2016 |
91.5 |
0.055 |
| 2017 |
93.6 |
0.073 |
| 2018 |
94.9 |
0.089 |
| 2019 |
95.9 |
0.104 |
| 2020 |
96.6 |
0.117 |
| 2021 |
97.1 |
0.130 |
| 2022 |
97.6 |
0.141 |
| 2023 |
98.0 |
0.151 |
| 2024 |
98.3 |
0.161 |
| 2025 |
98.6 |
0.169 |
| 2026 |
98.9 |
0.177 |
| 2027 |
99.2 |
0.183 |
| 2028 |
99.4 |
0.190 |
| 2029 |
99.7 |
0.195 |
| 2030 |
99.9 |
0.200 |
| 2031 |
100.1 |
0.204 |
| 2032 |
100.3 |
0.207 |
| 2033 |
100.5 |
0.210 |
| 2034 |
100.7 |
0.212 |
| 2035 |
100.9 |
0.214 |
| 2036 |
101.1 |
0.215 |
| 2037 |
101.2 |
0.216 |
| 2038 |
101.4 |
0.216 |
| 2039 |
101.6 |
0.215 |
| 2040 |
101.8 |
0.214 |
| 2041 |
102.0 |
0.213 |
| 2042 |
102.2 |
0.211 |
| 2043 |
102.4 |
0.208 |
| 2044 |
102.6 |
0.205 |
| 2045 |
102.8 |
0.202 |
| 2046 |
103.0 |
0.198 |
| 2047 |
103.2 |
0.194 |
| 2048 |
103.4 |
0.189 |
| 2049 |
103.7 |
0.183 |
| 2050 |
103.9 |
0.177 |
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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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