02332-5156 HDS 333 (HD 16077)
02h 33m 13.38s -51° 56' 19.2" P.A. 262.00 sep 0.5 mag 8.65,10.87 Sp K0V dist. 39.22 pc (127.94 l.y.)
| Coord 2000 |
02332-5156 |
|
Discov num |
HDS 333 |
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Comp |
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Coord arcsec 2000 |
02 33 13.38 -51 56 19.2 |
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| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
26 |
|
| Pa first |
197 |
|
Pa last |
262 |
|
P.A. Now (θ) |
262° |
|
| Sep first |
0.3 |
|
Sep last |
0.455 |
|
Sep. Now (ρ) |
0.455" |
|
| Mag pri |
8.65 |
|
Mag sec |
10.87 |
|
delta mag (ΔM) |
2.22 |
|
Spectral class |
K0V (yellow-orange) |
|
| Pri motion ra |
-034 |
|
Sec motion ra |
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|
| Pri motion dec |
+166 |
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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 16077 |
|
Constellation |
Horologium |
|
SAO |
232813 |
|
HIP |
11877 |
|
| Tycho2 |
8056-00172-1 |
|
Gaia DR2 |
4745027439957055232 |
|
HD |
16077 |
|
GC |
3079 |
|
| CP |
CP-52 317 |
|
Distance |
39.22 |
|
Distance ly |
127.94 |
|
ORBITAL ELEMENTS
| Period (P) | 49.54y | |
Periastron (T) | 1981.14y | |
Semi-major axis (a) | 0.413a | |
| Eccentricity (e) | 0.6 | |
Inclination (i) | 57.4° | |
Longitude of periastron (ω) | 150.9° | |
| Node (Ω) | 252.6° | |
Notes | | |
Reference | Tok2018b | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
226.0 |
0.519 |
| 2001 |
227.9 |
0.537 |
| 2002 |
229.7 |
0.554 |
| 2003 |
231.4 |
0.569 |
| 2004 |
233.0 |
0.583 |
| 2005 |
234.6 |
0.594 |
| 2006 |
236.0 |
0.604 |
| 2007 |
237.5 |
0.611 |
| 2008 |
238.9 |
0.617 |
| 2009 |
240.3 |
0.620 |
| 2010 |
241.7 |
0.621 |
| 2011 |
243.1 |
0.620 |
| 2012 |
244.5 |
0.617 |
| 2013 |
245.9 |
0.611 |
| 2014 |
247.3 |
0.603 |
| 2015 |
248.8 |
0.592 |
| 2016 |
250.4 |
0.578 |
| 2017 |
252.0 |
0.562 |
| 2018 |
253.8 |
0.542 |
| 2019 |
255.7 |
0.519 |
| 2020 |
257.8 |
0.493 |
| 2021 |
260.1 |
0.462 |
| 2022 |
262.8 |
0.428 |
| 2023 |
266.0 |
0.389 |
| 2024 |
270.0 |
0.345 |
| 2025 |
275.2 |
0.297 |
| 2026 |
282.5 |
0.244 |
| 2027 |
294.2 |
0.187 |
| 2028 |
315.6 |
0.135 |
| 2029 |
354.8 |
0.107 |
| 2030 |
36.8 |
0.126 |
| 2031 |
62.9 |
0.161 |
| 2032 |
81.0 |
0.180 |
| 2033 |
97.0 |
0.183 |
| 2034 |
113.2 |
0.180 |
| 2035 |
130.0 |
0.179 |
| 2036 |
146.3 |
0.185 |
| 2037 |
160.9 |
0.199 |
| 2038 |
173.2 |
0.219 |
| 2039 |
183.2 |
0.245 |
| 2040 |
191.3 |
0.272 |
| 2041 |
197.8 |
0.301 |
| 2042 |
203.2 |
0.330 |
| 2043 |
207.7 |
0.359 |
| 2044 |
211.5 |
0.387 |
| 2045 |
214.8 |
0.414 |
| 2046 |
217.8 |
0.440 |
| 2047 |
220.4 |
0.464 |
| 2048 |
222.7 |
0.487 |
| 2049 |
224.9 |
0.508 |
| 2050 |
226.9 |
0.528 |
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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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