09591+5316 A 1346 (HD 86309)
09h 59m 05.55s +53° 15' 49.5" P.A. 179.00 sep 0.7 mag 8.84,9.66 Sp F8 dist. 125.79 pc (410.33 l.y.)
| Coord 2000 |
09591+5316 |
|
Discov num |
A 1346 |
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Comp |
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Coord arcsec 2000 |
09 59 05.55 +53 15 49.5 |
|
| Date first |
1906 |
|
Date last |
2022 |
|
Obs |
27 |
|
| Pa first |
151 |
|
Pa last |
179.2 |
|
P.A. Now (θ) |
179.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.74 |
|
Sep. Now (ρ) |
0.74" |
|
| Mag pri |
8.84 |
|
Mag sec |
9.66 |
|
delta mag (ΔM) |
0.82 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-058 |
|
Sec motion ra |
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|
| Pri motion dec |
-016 |
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Sec motion dec |
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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 86309 |
|
Constellation |
Ursa Major |
|
SAO |
27456 |
|
HIP |
48940 |
|
| Tycho2 |
3814-00781-1 |
|
Gaia DR2 |
828538228357203968 |
|
HD |
86309 |
|
ADS |
7598 |
|
| BD |
BD+53 1375 |
|
Distance |
125.79 |
|
Distance ly |
410.33 |
|
ORBITAL ELEMENTS
| Period (P) | 298.13y | ± 22.83 |
Periastron (T) | 1971.51y | ± 1.32 |
Semi-major axis (a) | 0.56a | ± 0.045 |
| Eccentricity (e) | 0.742 | ± 0.02 |
Inclination (i) | 110° | ± 1.9 |
Longitude of periastron (ω) | 208.4° | ± 2.9 |
| Node (Ω) | 175.9° | ± 1.6 |
Notes | n | |
Reference | Hrt2009 | |
| Equinox | | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
184.7 |
0.421 |
| 2001 |
184.2 |
0.434 |
| 2002 |
183.8 |
0.446 |
| 2003 |
183.4 |
0.459 |
| 2004 |
183.0 |
0.471 |
| 2005 |
182.6 |
0.482 |
| 2006 |
182.2 |
0.494 |
| 2007 |
181.9 |
0.505 |
| 2008 |
181.5 |
0.516 |
| 2009 |
181.2 |
0.527 |
| 2010 |
180.9 |
0.537 |
| 2011 |
180.6 |
0.548 |
| 2012 |
180.3 |
0.558 |
| 2013 |
180.1 |
0.567 |
| 2014 |
179.8 |
0.577 |
| 2015 |
179.5 |
0.586 |
| 2016 |
179.3 |
0.596 |
| 2017 |
179.0 |
0.605 |
| 2018 |
178.8 |
0.613 |
| 2019 |
178.6 |
0.622 |
| 2020 |
178.4 |
0.630 |
| 2021 |
178.1 |
0.639 |
| 2022 |
177.9 |
0.647 |
| 2023 |
177.7 |
0.655 |
| 2024 |
177.5 |
0.662 |
| 2025 |
177.3 |
0.670 |
| 2026 |
177.1 |
0.677 |
| 2027 |
177.0 |
0.684 |
| 2028 |
176.8 |
0.691 |
| 2029 |
176.6 |
0.698 |
| 2030 |
176.4 |
0.705 |
|
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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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