07175-4659 I 7 (HD 57095)
07h 17m 29.56s -46° 58' 45.4" P.A. 199.00 sep 0.6 mag 7.10,8.35 Sp K3V dist. 14.59 pc (47.59 l.y.)
Coord 2000 |
07175-4659 |
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Discov num |
I 7 |
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Comp |
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Coord arcsec 2000 |
07 17 29.56 -46 58 45.4 |
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Date first |
1894 |
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Date last |
2021 |
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Obs |
70 |
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Pa first |
220 |
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Pa last |
198.6 |
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P.A. Now (θ) |
197° |
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Sep first |
1.5 |
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Sep last |
0.581 |
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Sep. Now (ρ) |
0.542" |
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Mag pri |
7.10 |
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Mag sec |
8.35 |
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delta mag (ΔM) |
1.25 |
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Spectral class |
K3V (yellow-orange) |
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Pri motion ra |
-014 |
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Sec motion ra |
-014 |
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Pri motion dec |
+585 |
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Sec motion dec |
+585 |
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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 57095 |
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Constellation |
Puppis |
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SAO |
218611 |
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HIP |
35296 |
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Tycho2 |
8123-01534-1 |
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HD |
57095 |
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GC |
9723 |
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GL |
Gl 269A |
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CD |
CD-46 3046 |
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CP |
CP-46 1360 |
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Distance |
14.59 |
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Distance ly |
47.59 |
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ORBITAL ELEMENTS
Period (P) | 85.01y | ± 1.22 |
Periastron (T) | 1958.7y | ± 0.44 |
Semi-major axis (a) | 0.891a | ± 0.048 |
Eccentricity (e) | 0.955 | ± 0.014 |
Inclination (i) | 104.4° | ± 2.3 |
Longitude of periastron (ω) | 244.8° | ± 2.5 |
Node (Ω) | 236° | ± 5.1 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
208.6 |
0.847 |
2001 |
208.2 |
0.840 |
2002 |
207.9 |
0.833 |
2003 |
207.5 |
0.824 |
2004 |
207.1 |
0.816 |
2005 |
206.8 |
0.806 |
2006 |
206.4 |
0.796 |
2007 |
206.0 |
0.786 |
2008 |
205.6 |
0.775 |
2009 |
205.1 |
0.763 |
2010 |
204.7 |
0.751 |
2011 |
204.3 |
0.738 |
2012 |
203.8 |
0.725 |
2013 |
203.3 |
0.711 |
2014 |
202.8 |
0.697 |
2015 |
202.3 |
0.682 |
2016 |
201.8 |
0.666 |
2017 |
201.2 |
0.650 |
2018 |
200.6 |
0.634 |
2019 |
199.9 |
0.616 |
2020 |
199.3 |
0.599 |
2021 |
198.6 |
0.580 |
2022 |
197.8 |
0.562 |
2023 |
197.0 |
0.542 |
2024 |
196.1 |
0.522 |
2025 |
195.2 |
0.501 |
2026 |
194.1 |
0.480 |
2027 |
193.0 |
0.458 |
2028 |
191.8 |
0.436 |
2029 |
190.4 |
0.413 |
2030 |
188.8 |
0.389 |
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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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