Refining Orbits of Bright Binary Systems
Abstract
:1. Introduction
2. Previous Orbit Determinations for the Program Objects
2.1. 02 UMa = HR 5055 = Mizar B
2.2. Aquilae = HR 7610
2.3. 2 Lacertae = HR 8523
3. Observations and Data Reduction
4. Results
Element | [4] | [5] | TCO |
---|---|---|---|
P (days) | 361.24 | 175.55 ± 0.06 | 175.11 ± 0.10 |
Epoch (HJD) | 2,417,623.68 | 2,437,294.4 ± 1.6 | 2,458,175.2 ± 0.7 |
e | 0.697 | 0.46 ± 0.03 | 0.56 ± 0.09 |
(degrees) | 27.14 | 4.3 ± 5.2 | 353.0 ± 4.6 |
(km s) | −13.16 | ||
K (km s) | 6.73 | 6.3 ± 0.2 | 6.46 ± 0.53 |
f(m), M | 0.0042 | 0.0032 ± 0.0005 | 0.0028 ± 0.0011 |
N | 24 | 89 | 155 |
Element | [6] | [9] | TCO |
---|---|---|---|
P (days) | 3.320 ± 0.001 | 3.320680 | 3.320669 ± 0.000017 |
T0 (JD) | 2,423,324.045 | 2,423,210.628 | 2,459,445.0916 ± 0.0011 |
e | 0.055 ± 0.022 | 0 | 0 |
(degrees) | 56.0 | − | − |
(km s) | 0.63 | ||
K (km s) | 38.25 ± 0.72 | 37.2 | 36.48 ± 0.07 |
f(m), M | 0.019 ± 0.001 | 0.018 | 0.0167 ± 0.0001 |
N | 34 | 30 | 80 |
Element | [12] | Recalculation | TCO |
---|---|---|---|
P (days) | 2.616430 ± 0.000003 | 2.611523 ± 0.000004 | 2.616535 ± 0.000035 |
T0 (HJD) | 242,700.80 ± 0.18 | 2,422,741.402 ± 0.011 | 2,459,423.7130 ± 0.0027 |
e | 0.040 ± 0.018 | 0 | 0 |
(deg) | 97.4 ± 25.3 | − | − |
(km s) | |||
K (km s) | 79.6 ± 1.8 | 72.78 ± 1.91 | 73.19 ± 0.47 |
K (km s) | 100.0 ± 1.8 | − | 90.25 ± 0.71 |
f(m), M | 0.137 ± 0.010 | 0.104 ± 0.007 | 0.106 ± 0.002 |
f(m), M | 0.272 ± 0.015 | − | 0.199 ± 0.004 |
N1/N2 | 82/61 | 135/63 | 42/29 |
m, M | 0.87 ± 0.06 | − | 0.653 ± 0.021 |
m, M | 0.69 ± 0.05 | − | 0.529 ± 0.018 |
5. Derivation of the Orbital Parameter Errors
6. Discussion
6.1. Error Comparison
6.2. Fundamental Parameters
Name | V–mag | D, pc | T, K | log L/L |
---|---|---|---|---|
MizarB | 3.91 | 24.81 ± 0.17 | 8279 ± 58 | 1.13 ± 0.01 |
Aql | 5.28 | 67.67 ± 0.35 | 9484 ± 132 | 1.45 ± 0.01 |
2 Lac | 4.54 | 188.9 ± 6.0 | 13,996 ± 97 | 3.12 ± 0.04 |
6.2.1. Mizarb
6.2.2. Aql
6.2.3. 2 Lac
7. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
1 | https://www.shelyak.com (accessed on 20 December 2022) |
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Miroshnichenko, A.S.; Danford, S.; Andronov, I.L.; Aarnio, A.N.; Lauer, D.; Buroughs, H. Refining Orbits of Bright Binary Systems. Galaxies 2023, 11, 8. https://doi.org/10.3390/galaxies11010008
Miroshnichenko AS, Danford S, Andronov IL, Aarnio AN, Lauer D, Buroughs H. Refining Orbits of Bright Binary Systems. Galaxies. 2023; 11(1):8. https://doi.org/10.3390/galaxies11010008
Chicago/Turabian StyleMiroshnichenko, Anatoly S., Stephen Danford, Ivan L. Andronov, Alicia N. Aarnio, Duncan Lauer, and Holly Buroughs. 2023. "Refining Orbits of Bright Binary Systems" Galaxies 11, no. 1: 8. https://doi.org/10.3390/galaxies11010008
APA StyleMiroshnichenko, A. S., Danford, S., Andronov, I. L., Aarnio, A. N., Lauer, D., & Buroughs, H. (2023). Refining Orbits of Bright Binary Systems. Galaxies, 11(1), 8. https://doi.org/10.3390/galaxies11010008