07303-5657 FIN 105 (HD 60231)
07h 30m 15.00s -56° 57' 28.6" P.A. 70.00 sep 0.2 mag 9.55,9.62 Sp F6V+F6V
| Coord 2000 |
07303-5657 |
|
Discov num |
FIN 105 |
|
Comp |
|
|
Coord arcsec 2000 |
07 30 15.00 -56 57 28.6 |
|
| Date first |
1929 |
|
Date last |
2018 |
|
Obs |
10 |
|
| Pa first |
149 |
|
Pa last |
70.2 |
|
P.A. Now (θ) |
62.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.247 |
|
Sep. Now (ρ) |
0.223" |
|
| Mag pri |
9.55 |
|
Mag sec |
9.62 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
F6V+F6V (yellow-white/yellow-white) |
|
| Pri motion ra |
+031 |
|
Sec motion ra |
+031 |
|
| Pri motion dec |
-018 |
|
Sec motion dec |
-018 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 60231 |
|
Constellation |
Carina |
|
SAO |
235249 |
|
Tycho2 |
8559-00897-1 |
|
| HD |
60231 |
|
ORBITAL ELEMENTS
| Period (P) | 170y | |
Periastron (T) | 2046.15y | |
Semi-major axis (a) | 0.244a | |
| Eccentricity (e) | 0.578 | |
Inclination (i) | 153.5° | |
Longitude of periastron (ω) | 107.1° | |
| Node (Ω) | 52.1° | |
Notes | | |
Reference | Doc2020d | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
91.7 |
0.309 |
| 2001 |
90.7 |
0.307 |
| 2002 |
89.7 |
0.304 |
| 2003 |
88.7 |
0.302 |
| 2004 |
87.7 |
0.299 |
| 2005 |
86.6 |
0.296 |
| 2006 |
85.6 |
0.293 |
| 2007 |
84.5 |
0.290 |
| 2008 |
83.4 |
0.286 |
| 2009 |
82.2 |
0.283 |
| 2010 |
81.1 |
0.280 |
| 2011 |
79.9 |
0.276 |
| 2012 |
78.7 |
0.272 |
| 2013 |
77.4 |
0.269 |
| 2014 |
76.1 |
0.265 |
| 2015 |
74.8 |
0.261 |
| 2016 |
73.4 |
0.256 |
| 2017 |
72.0 |
0.252 |
| 2018 |
70.5 |
0.248 |
| 2019 |
69.0 |
0.243 |
| 2020 |
67.4 |
0.238 |
| 2021 |
65.7 |
0.233 |
| 2022 |
64.0 |
0.228 |
| 2023 |
62.2 |
0.223 |
| 2024 |
60.3 |
0.218 |
| 2025 |
58.3 |
0.212 |
| 2026 |
56.2 |
0.206 |
| 2027 |
54.0 |
0.201 |
| 2028 |
51.6 |
0.194 |
| 2029 |
49.1 |
0.188 |
| 2030 |
46.4 |
0.182 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
