07155-7552 I 312 (HD 58046)
07h 15m 30.78s -75° 51' 53.1" P.A. 347.00 sep 0.3 mag 8.29,8.27 Sp F8V dist. 67.93 pc (221.59 l.y.)
| Coord 2000 |
07155-7552 |
|
Discov num |
I 312 |
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Comp |
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Coord arcsec 2000 |
07 15 30.78 -75 51 53.1 |
|
| Date first |
1901 |
|
Date last |
2019 |
|
Obs |
18 |
|
| Pa first |
168 |
|
Pa last |
346.6 |
|
P.A. Now (θ) |
346.6° |
|
| Sep first |
1.0 |
|
Sep last |
0.292 |
|
Sep. Now (ρ) |
0.292" |
|
| Mag pri |
8.29 |
|
Mag sec |
8.27 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
F8V (yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+084 |
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Sec motion dec |
+084 |
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 58046 |
|
Constellation |
Mensa |
|
SAO |
256388 |
|
HIP |
35102 |
|
| Tycho2 |
9380-01188-1 |
|
Gaia DR2 |
5214329926456883840 |
|
HD |
58046 |
|
GC |
9753 |
|
| CP |
CP-75 437 |
|
Distance |
67.93 |
|
Distance ly |
221.59 |
|
ORBITAL ELEMENTS
| Period (P) | 500y | |
Periastron (T) | 2012.58y | |
Semi-major axis (a) | 1.297a | |
| Eccentricity (e) | 0.665 | |
Inclination (i) | 95.9° | |
Longitude of periastron (ω) | 94.7° | |
| Node (Ω) | 159.4° | |
Notes | | |
Reference | Tok2018b | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
154.2 |
0.390 |
| 2001 |
153.6 |
0.361 |
| 2002 |
152.8 |
0.331 |
| 2003 |
151.9 |
0.300 |
| 2004 |
150.7 |
0.269 |
| 2005 |
149.2 |
0.236 |
| 2006 |
147.3 |
0.203 |
| 2007 |
144.6 |
0.170 |
| 2008 |
140.6 |
0.137 |
| 2009 |
134.1 |
0.104 |
| 2010 |
121.7 |
0.073 |
| 2011 |
95.3 |
0.050 |
| 2012 |
51.3 |
0.047 |
| 2013 |
20.5 |
0.067 |
| 2014 |
6.2 |
0.097 |
| 2015 |
358.8 |
0.130 |
| 2016 |
354.5 |
0.163 |
| 2017 |
351.6 |
0.197 |
| 2018 |
349.5 |
0.229 |
| 2019 |
347.9 |
0.262 |
| 2020 |
346.7 |
0.293 |
| 2021 |
345.8 |
0.324 |
| 2022 |
344.9 |
0.353 |
| 2023 |
344.3 |
0.382 |
| 2024 |
343.7 |
0.410 |
| 2025 |
343.1 |
0.436 |
| 2026 |
342.7 |
0.462 |
| 2027 |
342.3 |
0.486 |
| 2028 |
341.9 |
0.509 |
| 2029 |
341.6 |
0.532 |
| 2030 |
341.2 |
0.553 |
|
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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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