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19. Neutral Hydrogen (HI) 21 cm as a probe: Investigating Spatial Variations in Interstellar Turbulent Properties

Author

Mittal, Amit K., Babler, Brian L, Stanimirovic, Snezana, and Pingel, Nickolas

Subjects
Astrophysics - Astrophysics of Galaxies
Abstract

Interstellar turbulence shapes the HI distribution in the Milky Way (MW). How this affects large-scale statistical properties of HI column density across the MW remains largely unconstrained. We use approx 13,000 square-degree GALFA-HI survey to map statistical fluctuations of HI over the 40 km s-1 velocity range. We calculate the spatial power spectrum (SPS) of HI column density image by running a 3-degree kernel and measuring SPS slope over a range of angular scales from 16 arcmin to 20 degree. Due to GALFA complex observing and calibration strategy, we construct detailed estimates of the noise contribution and account for GALFA beam effects on SPS. This allows us to systematically analyze HI images that trace a wide range of interstellar environments. We find that SPS slope varies between -2.6 at high Galactic latitudes, and -3.2 close to Galactic plane. The range of SPS slope values becomes tighter when we consider HI optical depth and line-of-sight length caused by the plane-parallel geometry of HI disk. This relatively uniform, large-scale distribution of SPS slope is suggestive of large-scale turbulent driving being a dominant mechanism for shaping HI structures in the MW and/or the stellar feedback turbulence being efficiently dissipated within dense molecular clouds. Only at latitudes above 60 degrees we find evidence for HI SPS slope being consistently more shallow. Those directions are largely within the Local Bubble, suggesting the recent history of this cavity, shaped by multiple supernovae explosions, has modified the turbulent state of HI and/or fractions of HI phases., Comment: Accepted in ApJ

Published
2023

27. Risk of Infection and Colonization of Symptomatic Urinary Tract Bacteriuria in Type-1 and Type-2 Diabetic Patients

Author

Bhatt, Neha, Chaubey, Kundan Kumar, Kumar, Sunil, Pramanik, Atreyi, Sinha, Aashna, Mittal, Amit, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Hassanien, Aboul Ella, editor, Anand, Sameer, editor, Jaiswal, Ajay, editor, and Kumar, Prabhat, editor

Published
2024
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28. Microbial Metabolites and Recent Advancement

Author

Garia, Prakash, Chaubey, Kundan Kumar, Rawat, Harish, Sinha, Aashna, Sharma, Shweta, Goyal, Urvashi, Mittal, Amit, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Kumar, Sandeep, editor, K., Balachandran, editor, Kim, Joong Hoon, editor, and Bansal, Jagdish Chand, editor

Published
2024
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29. Forecasting of Carbon Emissions in India Using (ARIMA) Time Series Predicting Approach

Author

Sharma, Somesh, Mittal, Amit, Bansal, Manmohan, Joshi, Bhagawati Prasad, Rayal, Ashish, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Tan, Kay Chen, Series Editor, Malik, Hasmat, editor, Mishra, Sukumar, editor, Sood, Y. R., editor, Iqbal, Atif, editor, and Ustun, Taha Selim, editor

Published
2024
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44. Design and Modeling of the Ring Resonator-Based Microwave Sensor for Skin Cancer Detection

Author

Sharma, Madan Kumar, Kumari, Ranjana, Mittal, Akshat, Upadhyay, Manish Kumar, Mittal, Amit, Singh, Komal, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Hirche, Sandra, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Möller, Sebastian, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Dwivedi, Sanjeet, editor, Singh, Sanjeev, editor, Tiwari, Manish, editor, and Shrivastava, Ashish, editor

Published
2023
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45. Potential Applications of Advanced Control System Strategies in a Process industry—A Review

Author

Juneja, Pradeep Kumar, Sunori, Sandeep Kumar, Joshi, Kavita Ajay, Arora, Shweta, Sharma, Somesh, Garia, Prakash, Maurya, Sudhanshu, Mittal, Amit, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Zhang, Yu-Dong, editor, Senjyu, Tomonobu, editor, So-In, Chakchai, editor, and Joshi, Amit, editor

Published
2023
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49. The analysis of restricted five-body problem within frame of variable mass

Author

SanamSuraj, Md, Abouelmagd, Elbaz I., Aggarwal, Rajiv, and Mittal, Amit

Subjects
Nonlinear Sciences - Chaotic Dynamics, Astrophysics - Earth and Planetary Astrophysics
Abstract

In the framework of restricted five bodies problem, the existence and stability of the libration points are explored and analysed numerically, under the effect of non--isotropic mass variation of the fifth body (test particle or infinitesimal body). The evolution of the positions of these points and the possible regions of motion are illustrated, as a function of the perturbation parameter. We perform a systematic investigation in an attempt to understand how the perturbation parameter due to variable mass of the fifth body, affects the positions, movement and stability of the libration points. In addition, we have revealed how the domain of the basins of convergence associated with the libration points are substantially influenced by the perturbation parameter.

Published
2020
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50. The analysis of periodic orbits generated by Lagrangian solutions of the restricted three-body problem with non-spherical primaries

Author

Mittal, Amit, Suraj, Md Sanam, and Aggarwal, Rajiv

Subjects
Nonlinear Sciences - Chaotic Dynamics, Astrophysics - Earth and Planetary Astrophysics
Abstract

The present paper deals with the periodic orbits generated by Lagrangian solutions of the restricted three-body problem when both the primaries are oblate bodies. We have illustrated the periodic orbits for different values of $\mu, h,\sigma_1$ and $\sigma_2$ ($h$ is energy constant, $\mu$ mass ratio of the two primaries, $\sigma_1$ and $\sigma_2$ are oblateness factors). These orbits have been determined by giving displacements along the tangent and normal to the mobile coordinates as defined by Karimov and Sokolsky \cite{Kari}. We have applied the predictor-corrector algorithm to construct the periodic orbits in an attempt to unveil the effect of oblateness of the primaries by taking the fixed values of parameters $\mu, h, \sigma_1$ and $\sigma_2$.

Published
2020
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