X-Ray Emission Spectroscopy Analysis for Near-Asteroid Belt of Atmospheric of the Comets

Main Article Content

Rasha S. Najm
https://orcid.org/0000-0003-3990-6347
Salman Z. Khalaf
Khaleel I. Abood
https://orcid.org/0000-0002-4463-3059

Abstract

         According to Chandra Survey Observatory Near-Asteroid Belt Comets, the solar wind's contact with the comet produces a variety of spectral characteristics. The study of X-ray spectra produced by charge exchange is presented here. The spectrum of a comet can reveal a lot about its composition. This study has concentrated on the elemental abundance in six different comets, including 17P/Holmes, C/1999T1, C/2013A1, 9p/Temple1, and 103p/Hartley2 (NEAT). Numerous aspects of the comet's dynamics allow it to behave in a unique manner as it gets closer to the Near-Asteroid Belt. These characteristics are being examined, and some studies are still ongoing. The computations allow us to observe, for instance, how the composition of a comet's upper atmosphere affects how much gas it produces. For several comet morphologies, both linear and nonlinear, bow shock, contact surface, and stagnation point are investigated in relation to gas production rate. Our results shed light on the complex interactions between cometary ions and the solar wind. An increase in gas production rate was shown to be significantly correlated with sharp drops in average molecular weight.

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How to Cite
1.
S. Najm R, Salman Z. Khalaf, Khaleel I. Abood. X-Ray Emission Spectroscopy Analysis for Near-Asteroid Belt of Atmospheric of the Comets . IJP [Internet]. 2022 Sep. 1 [cited 2024 Nov. 22];20(3):86-97. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/1006
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Articles
Author Biographies

Rasha S. Najm, Department of Astronomy and Space/ College of Science/ University of Baghdad/Baghdad/Iraq

 

 

Salman Z. Khalaf, Department of Astronomy and Space/ College of Science/ University of Baghdad/Baghdad/Iraq

 

 

 

Khaleel I. Abood, Department of Astronomy and Space/ College of Science/ University of Baghdad/Baghdad/Iraq

 

 

References

Ootsubo T., Kawakita H., Hamada S., Kobayashi H., Yamaguchi M., Usui f., Nakagawa T., Ueno M., Ishiguro M., Sekiguchi T., Jun-ichi W., Sakon I., Shimonishi T., and Onaka T., AKARI near-infrared spectroscopic survey for CO2 in 18 comets. The Astrophysical Journal, 2012. 752(15): pp. 1-12.

Ezoe Y., Ohashi T., and Mitsuda K., High-resolution X-ray spectroscopy of astrophysical plasmas with X-ray microcalorimeters. Reviews of Modern Plasma Physics, 2021. 5(4): pp. 1-43.

Jalil M.I., Khalaf S.Z., and Abbas Q.A., X-ray emission spectroscopy for the plasmas of 153P/Ikeya-Zhang and 46P/Wirtanen comets. Global Scientific Journal, 2021. 9(1): pp. 1952-1959

Xing Z., Bodewits D., Noonan J., and Michele T. B., Water production rates and activity of interstellar comet 2I/Borisov. The Astrophysical Journal Letters, 2020. 893(2): pp.1-10.

Abbas K.H., Khalaf S.Z., and Selman A.A., Calculation of the interactions between solar wind particles and cometary ion tail. Science International (Lahore), 2018. 30(5): pp. 729-736.

https://chandra.harvard.edu/learn_solar.html.

Lara L.M., Licandro J., and Tozzi G., Dust in comet McNaught-Hartley (C/1999 T1) from Jan. 25 to Feb. 04, 2001: IR and optical CCD imaging. Astronomy & Astrophysics, 2003. 404(1): pp. 373-378.

Christian D. J., Bodewits D., Lisse C. M., Dennerl K., Wolk S. J., Hsieh H., Zurbuchen T. H., and Zhao L., Chandra observations of comets 8p/Tuttle and 17p/Holmes during solar minimum. The Astrophysical Journal Supplement Series, 2010. 187(2): pp. 447-459.

Wajer P. and Królikowska M., Comet C/2013 A1 siding spring. How treatment of data and NG effects can change our predictions about close encounters with Mars. ASTEROIDS, COMETS, METEORS 2014 (ACM’2014) conference, 2014: pp. 1-5, Special Issue of Planetary and Space Science.

Mumma M. J., Bonev B. P., Villanueva G. L., Paganini L., DiSanti M. A., Gibb E. L., Keane J. V., Meech K. J., Blake G. A., Ellis R. S., Lippi M., Boehnhardt H., Magee-Saucer K., Temporal and spatial aspects of gas release during the 2010 apparition of comet 103P/Hartley 2. The Astrophysical Journal Letters, 2011. 734(1): pp.1-6.

Perryman M., The exoplanet handbook., 2nd Ed, 2018: Cambridge University Press.

Khalaf S.Z. and Abrahim K., Expansion velocities of elementary gas in comet Panstarrs above 30000 km from nucleus. Iraqi Journal of Science, 2020. 61(12): pp. 3417-3433.

Yamamoto T., Chemical composition of cometary ice and grain, and origin of comets. Symposium-International Astronomical Union. 1987. Cambridge University Press.

Abood K.I., Structure and nucleus characteristic of the ion cometary tail. PhD, University of Baghdad, College of Science, Astronomy and Space Department, 2020.

Vigren E., Edberg N. J. T., Eriksson A. I., Galand M., Henri P., Johansson F. L., Odelstad E., Rubin M., Vallières X., The evolution of the electron number density in the coma of comet 67P at the location of rosetta from 2015 November through 2016 March. The Astrophysical Journal, 2019. 881(1):pp.1-5.

Bhardwaj A., On the solar EUV deposition in the inner comae of comets with large gas production rates. Geophysical research letters, 2003. 30(24): pp.1-5.

Bleeker J.A., Geiss J., and Huber M.C., The century of space science. 1st Ed, 2001. Springer.

Läuter M.,Tobias K., Martin R., Kathrin A., The gas production of 14 species from comet 67P/Churyumov–Gerasimenko based on DFMS/COPS data from 2014 to 2016. Monthly Notices of the Royal Astronomical Society, 2020. 498(3): pp. 3995-4004.

Gunell H., Goetz C., Wedlund C.S., Lindkvist J., Hamrin M., Nilsson H., Llera K., Eriksson A., Holmström M., The infant bow shock: a new frontier at a weak activity comet. Astronomy & Astrophysics, 2018. 619: pp.1-5.

Khalaf S.Z., Selman A.A., and Ali H.S., Study of comets composition and structure. Al-Nahrain Journal of Science, 2008. 11(3): pp. 80-88.

Buti B., Cometary and solar plasma physics. Cometary and Solar Plasma Physics, World Scientific,1988.

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