07303+4959 STF 1093 (HD 58945)
07h 30m 16.51s +49° 58' 42.0" P.A. 207.00 sep 0.8 mag 8.79,8.98 Sp F5 dist. 90.42 pc (294.95 l.y.)
| Coord 2000 |
07303+4959 |
|
Discov num |
STF1093 |
|
Comp |
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Coord arcsec 2000 |
07 30 16.51 +49 58 42.0 |
|
| Date first |
1831 |
|
Date last |
2022 |
|
Obs |
123 |
|
| Pa first |
94 |
|
Pa last |
207 |
|
P.A. Now (θ) |
207° |
|
| Sep first |
1.0 |
|
Sep last |
0.77 |
|
Sep. Now (ρ) |
0.77" |
|
| Mag pri |
8.79 |
|
Mag sec |
8.98 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-011 |
|
| Pri motion dec |
-047 |
|
Sec motion dec |
-047 |
|
| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 58945 |
|
Constellation |
Lynx |
|
SAO |
26377 |
|
HIP |
36470 |
|
| Tycho2 |
3409-00564-1 |
|
Gaia DR2 |
976973775575968768 |
|
HD |
58945 |
|
GC |
10002 |
|
| ADS |
6117 |
|
BD |
BD+50 1436 |
|
Distance |
90.42 |
|
Distance ly |
294.95 |
|
ORBITAL ELEMENTS
| Period (P) | 715.3886y | ± 353.4688 |
Periastron (T) | 1839.2069y | ± 30.1478 |
Semi-major axis (a) | 1.02228a | ± 0.25229 |
| Eccentricity (e) | 0.36856 | ± 0.1903 |
Inclination (i) | 39.85° | ± 12.512 |
Longitude of periastron (ω) | 311.793° | ± 25.341 |
| Node (Ω) | 127.926° | ± 34.475 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2012 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
197.2 |
0.865 |
| 2001 |
197.7 |
0.867 |
| 2002 |
198.2 |
0.868 |
| 2003 |
198.7 |
0.869 |
| 2004 |
199.2 |
0.871 |
| 2005 |
199.7 |
0.872 |
| 2006 |
200.2 |
0.873 |
| 2007 |
200.7 |
0.875 |
| 2008 |
201.2 |
0.876 |
| 2009 |
201.7 |
0.878 |
| 2010 |
202.2 |
0.879 |
| 2011 |
202.6 |
0.880 |
| 2012 |
203.1 |
0.882 |
| 2013 |
203.6 |
0.883 |
| 2014 |
204.1 |
0.885 |
| 2015 |
204.6 |
0.886 |
| 2016 |
205.0 |
0.888 |
| 2017 |
205.5 |
0.889 |
| 2018 |
206.0 |
0.891 |
| 2019 |
206.5 |
0.892 |
| 2020 |
206.9 |
0.894 |
| 2021 |
207.4 |
0.895 |
| 2022 |
207.9 |
0.897 |
| 2023 |
208.3 |
0.899 |
| 2024 |
208.8 |
0.900 |
| 2025 |
209.3 |
0.902 |
| 2026 |
209.7 |
0.903 |
| 2027 |
210.2 |
0.905 |
| 2028 |
210.6 |
0.907 |
| 2029 |
211.1 |
0.908 |
| 2030 |
211.6 |
0.910 |
|
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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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