07427-3510 HDS 1091 (HD 62478)
07h 42m 41.86s -35° 09' 41.3" P.A. 244.00 sep 0.1 mag 10.04,10.59 Sp G1V dist. 273.22 pc (891.24 l.y.)
| Coord 2000 |
07427-3510 |
|
Discov num |
HDS1091 |
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Comp |
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Coord arcsec 2000 |
07 42 41.86 -35 09 41.3 |
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| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
8 |
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| Pa first |
23 |
|
Pa last |
243.5 |
|
P.A. Now (θ) |
243.5° |
|
| Sep first |
0.1 |
|
Sep last |
0.077 |
|
Sep. Now (ρ) |
0.077" |
|
| Mag pri |
10.04 |
|
Mag sec |
10.59 |
|
delta mag (ΔM) |
0.55 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
-012 |
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Sec motion ra |
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| Pri motion dec |
-007 |
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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 62478 |
|
Constellation |
Puppis |
|
HIP |
37578 |
|
Tycho2 |
7114-01549-1 |
|
| Gaia DR2 |
5588441467929534464 |
|
HD |
62478 |
|
CD |
CD-34 3827 |
|
CP |
CP-34 1583 |
|
| Distance |
273.22 |
|
Distance ly |
891.24 |
|
ORBITAL ELEMENTS
| Period (P) | 275y | |
Periastron (T) | 2017.4y | |
Semi-major axis (a) | 0.332a | |
| Eccentricity (e) | 0.69 | |
Inclination (i) | 115.2° | |
Longitude of periastron (ω) | 200.2° | |
| Node (Ω) | 93.3° | |
Notes | | |
Reference | Doc2020d | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
343.4 |
0.090 |
| 2001 |
337.9 |
0.090 |
| 2002 |
332.4 |
0.090 |
| 2003 |
326.9 |
0.091 |
| 2004 |
321.6 |
0.092 |
| 2005 |
316.5 |
0.094 |
| 2006 |
311.5 |
0.096 |
| 2007 |
306.8 |
0.098 |
| 2008 |
302.3 |
0.101 |
| 2009 |
298.0 |
0.103 |
| 2010 |
293.9 |
0.105 |
| 2011 |
289.9 |
0.107 |
| 2012 |
286.0 |
0.108 |
| 2013 |
282.2 |
0.108 |
| 2014 |
278.4 |
0.108 |
| 2015 |
274.6 |
0.106 |
| 2016 |
270.5 |
0.104 |
| 2017 |
266.2 |
0.100 |
| 2018 |
261.5 |
0.095 |
| 2019 |
256.2 |
0.089 |
| 2020 |
250.1 |
0.082 |
| 2021 |
242.9 |
0.075 |
| 2022 |
234.3 |
0.069 |
| 2023 |
224.1 |
0.063 |
| 2024 |
212.3 |
0.060 |
| 2025 |
199.4 |
0.058 |
| 2026 |
186.4 |
0.059 |
| 2027 |
174.3 |
0.063 |
| 2028 |
163.9 |
0.068 |
| 2029 |
155.2 |
0.075 |
| 2030 |
148.1 |
0.083 |
|
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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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