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 |
|
Discov num |
I 7 |
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Comp |
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Coord arcsec 2000 |
07 17 29.56 -46 58 45.4 |
|
| Date first |
1894 |
|
Date last |
2021 |
|
Obs |
70 |
|
| Pa first |
220 |
|
Pa last |
198.6 |
|
P.A. Now (θ) |
197° |
|
| Sep first |
1.5 |
|
Sep last |
0.581 |
|
Sep. Now (ρ) |
0.542" |
|
| Mag pri |
7.10 |
|
Mag sec |
8.35 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
K3V (yellow-orange) |
|
| Pri motion ra |
-014 |
|
Sec motion ra |
-014 |
|
| 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 |
|
Constellation |
Puppis |
|
SAO |
218611 |
|
HIP |
35296 |
|
| Tycho2 |
8123-01534-1 |
|
HD |
57095 |
|
GC |
9723 |
|
GL |
Gl 269A |
|
| CD |
CD-46 3046 |
|
CP |
CP-46 1360 |
|
Distance |
14.59 |
|
Distance ly |
47.59 |
|
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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