07079-1542 A 3043 (HD 54336)
07h 07m 52.46s -15° 42' 01.9" P.A. 326.00 sep 0.3 mag 7.79,8.57 Sp G8/K0III dist. 280.9 pc (916.3 l.y.)
Coord 2000 |
07079-1542 |
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Discov num |
A 3043 |
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Comp |
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Coord arcsec 2000 |
07 07 52.46 -15 42 01.9 |
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Date first |
1926 |
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Date last |
2018 |
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Obs |
20 |
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Pa first |
339 |
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Pa last |
325.7 |
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P.A. Now (θ) |
328.4° |
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Sep first |
0.3 |
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Sep last |
0.293 |
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Sep. Now (ρ) |
0.294" |
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Mag pri |
7.79 |
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Mag sec |
8.57 |
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delta mag (ΔM) |
0.78 |
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Spectral class |
G8/K0III (yellow) |
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Pri motion ra |
-003 |
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Sec motion ra |
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Pri motion dec |
-006 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 54336 |
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Constellation |
Canis Major |
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SAO |
152425 |
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HIP |
34393 |
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Tycho2 |
5964-00725-1 |
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Gaia DR2 |
2936018752830389504 |
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HD |
54336 |
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ADS |
5814 |
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BD |
BD-15 1657 |
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Distance |
280.9 |
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Distance ly |
916.3 |
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ORBITAL ELEMENTS
Period (P) | 113.9y | ± 5.8 |
Periastron (T) | 1960.8y | ± 2.2 |
Semi-major axis (a) | 0.184a | ± 0.023 |
Eccentricity (e) | 0.781 | ± 0.052 |
Inclination (i) | 31° | ± 15 |
Longitude of periastron (ω) | 300° | ± 25 |
Node (Ω) | 201° | ± 28 |
Notes | n | |
Reference | Hrt2012a | |
Equinox | 2000 | |
Last observation | 2010 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
312.2 |
0.267 |
2001 |
313.0 |
0.269 |
2002 |
313.8 |
0.271 |
2003 |
314.6 |
0.274 |
2004 |
315.4 |
0.276 |
2005 |
316.1 |
0.278 |
2006 |
316.8 |
0.280 |
2007 |
317.6 |
0.282 |
2008 |
318.3 |
0.283 |
2009 |
319.0 |
0.285 |
2010 |
319.7 |
0.286 |
2011 |
320.4 |
0.288 |
2012 |
321.1 |
0.289 |
2013 |
321.8 |
0.290 |
2014 |
322.4 |
0.291 |
2015 |
323.1 |
0.292 |
2016 |
323.8 |
0.292 |
2017 |
324.5 |
0.293 |
2018 |
325.1 |
0.293 |
2019 |
325.8 |
0.294 |
2020 |
326.5 |
0.294 |
2021 |
327.1 |
0.294 |
2022 |
327.8 |
0.294 |
2023 |
328.4 |
0.294 |
2024 |
329.1 |
0.294 |
2025 |
329.8 |
0.293 |
2026 |
330.4 |
0.293 |
2027 |
331.1 |
0.292 |
2028 |
331.8 |
0.292 |
2029 |
332.5 |
0.291 |
2030 |
333.1 |
0.290 |
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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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