07018-1053 BU 573 (HD 52694)
07h 01m 49.89s -10° 52' 56.3" P.A. 311.00 sep 0.8 mag 7.16,7.83 Sp F8 dist. 118.34 pc (386.03 l.y.)
| Coord 2000 |
07018-1053 |
|
Discov num |
BU 573 |
|
Comp |
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|
Coord arcsec 2000 |
07 01 49.89 -10 52 56.3 |
|
| Date first |
1878 |
|
Date last |
2018 |
|
Obs |
41 |
|
| Pa first |
247 |
|
Pa last |
311 |
|
P.A. Now (θ) |
311° |
|
| Sep first |
0.8 |
|
Sep last |
0.82 |
|
Sep. Now (ρ) |
0.82" |
|
| Mag pri |
7.16 |
|
Mag sec |
7.83 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+005 |
|
| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 52694 |
|
Constellation |
Monoceros |
|
SAO |
152256 |
|
HIP |
33869 |
|
| Tycho2 |
5385-02105-1 |
|
Gaia DR2 |
3046121274550600192 |
|
HD |
52694 |
|
GC |
9268 |
|
| ADS |
5712 |
|
BD |
BD-10 1818 |
|
Distance |
118.34 |
|
Distance ly |
386.03 |
|
ORBITAL ELEMENTS
| Period (P) | 855.5802y | ± 426.8684 |
Periastron (T) | 2028.5704y | ± 12.8632 |
Semi-major axis (a) | 2.32977a | ± 1.16451 |
| Eccentricity (e) | 0.8224 | ± 0.15481 |
Inclination (i) | 76.354° | ± 8.61 |
Longitude of periastron (ω) | 250.895° | ± 18.278 |
| Node (Ω) | 131.023° | ± 7.431 |
Notes | | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 1997 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
301.2 |
0.814 |
| 2001 |
301.7 |
0.807 |
| 2002 |
302.2 |
0.800 |
| 2003 |
302.7 |
0.791 |
| 2004 |
303.2 |
0.782 |
| 2005 |
303.7 |
0.773 |
| 2006 |
304.2 |
0.763 |
| 2007 |
304.7 |
0.752 |
| 2008 |
305.3 |
0.740 |
| 2009 |
305.8 |
0.727 |
| 2010 |
306.4 |
0.713 |
| 2011 |
307.0 |
0.698 |
| 2012 |
307.7 |
0.682 |
| 2013 |
308.4 |
0.665 |
| 2014 |
309.1 |
0.646 |
| 2015 |
309.8 |
0.626 |
| 2016 |
310.6 |
0.604 |
| 2017 |
311.5 |
0.581 |
| 2018 |
312.5 |
0.556 |
| 2019 |
313.5 |
0.528 |
| 2020 |
314.7 |
0.499 |
| 2021 |
316.0 |
0.467 |
| 2022 |
317.5 |
0.433 |
| 2023 |
319.3 |
0.397 |
| 2024 |
321.4 |
0.358 |
| 2025 |
324.1 |
0.317 |
| 2026 |
327.7 |
0.274 |
| 2027 |
332.5 |
0.231 |
| 2028 |
339.6 |
0.188 |
| 2029 |
350.8 |
0.147 |
| 2030 |
9.3 |
0.115 |
|
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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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