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Articles 197851 - 197880 of 1112676
Full-Text Articles in Entire DC Network
Lssse’S Challenge: Gaining Recognition In The Wake Of U.S. News & World Report, Carole Silver
Lssse’S Challenge: Gaining Recognition In The Wake Of U.S. News & World Report, Carole Silver
Journal of Legal Education
No abstract provided.
[Shelby County Government], Memphis, 1910
[Shelby County Government], Memphis, 1910
Shelby County, Tennessee
A publication containing short biographies and photographs of officials and other individuals of Shelby County and Memphis, Tennessee, published in 1910. The covers and the first and last pages are missing. There is also damage to pages 23-24.
Opening Tiny Worlds Of Exploration, Shea Stewart
Opening Tiny Worlds Of Exploration, Shea Stewart
University of Mississippi News
NSF funding provides new imaging microscope for UM research
Do I Belong Here? Examining Perceived Experiences Of Bias, Stereotype Concerns, And Sense Of Belonging In U.S. Law Schools, Elizabeth Bodamer J.D., Ph.D
Do I Belong Here? Examining Perceived Experiences Of Bias, Stereotype Concerns, And Sense Of Belonging In U.S. Law Schools, Elizabeth Bodamer J.D., Ph.D
Journal of Legal Education
No abstract provided.
The Journey, The Work, The Impact: Reflections On My Tenure As Lssse Director, Aaron N. Taylor
The Journey, The Work, The Impact: Reflections On My Tenure As Lssse Director, Aaron N. Taylor
Journal of Legal Education
No abstract provided.
Method Lawyering, Kris Franklin
Gaiety, February 1976
Gaiety, 1975-1977
Editor-in-Chief: Gary Poe. News Editor: Fred Harris. Staff Writers: Martha Brummett, Buddy Haynes. Staff Artist: Mary Jo Cowart. Jackson (TN) Correspondent: Wayne Maness.
Special thanks to Rhodes College and the Paul Barret Jr. Library for providing initial scanning of this collection.
Wamu-Am: Um Geologists Exploring Fault Lines In Nation's Capital, Staff Report
Wamu-Am: Um Geologists Exploring Fault Lines In Nation's Capital, Staff Report
University of Mississippi News
No abstract provided.
Evaluating Prediction Models Of Creep And Drying Shrinkage Of Self-Consolidating Concrete Containing Supplementary Cementitious Materials/Fillers, Micheal Asaad, George Morcous
Evaluating Prediction Models Of Creep And Drying Shrinkage Of Self-Consolidating Concrete Containing Supplementary Cementitious Materials/Fillers, Micheal Asaad, George Morcous
Durham School of Architectural Engineering and Construction: Faculty Publications
Supplementary cementitious materials (SCMs) and fillers play an important role in enhancing the mechanical properties and durability of concrete. SCMs and fillers are commonly used in self-consolidating concrete (SCC) mixtures to also enhance their rheological properties. However, these additives could have significant effects on the viscoelastic properties of concrete. Existing models for predicting creep and drying shrinkage of concrete do not consider the effect of SCM/filler on the predicted values. This study evaluates existing creep and drying shrinkage models, including AASHTO LRFD, ACI209, CEB-FIP MC90-99, B3, and GL2000, for SCC mixtures with different SCMs/fillers. Forty SCC mixtures were proportioned for …
Salvaging Detection Of Early-Stage Ovarian Malignancies When Ca125 Is Not Informative, Charles J. Dunton, Megan L. Hutchcraft, Rowan G. Bullock, Lesley E. Northrop, Frederick R. Ueland
Salvaging Detection Of Early-Stage Ovarian Malignancies When Ca125 Is Not Informative, Charles J. Dunton, Megan L. Hutchcraft, Rowan G. Bullock, Lesley E. Northrop, Frederick R. Ueland
Markey Cancer Center Faculty Publications
Background: Ovarian cancer is the deadliest gynecologic cancer, with no recommended screening test to assist with early detection. Cancer antigen 125 (CA125) is a serum biomarker commonly used by clinicians to assess preoperative cancer risk, but it underperforms in premenopausal women, early-stage malignancies, and several histologic subtypes. OVA1 is a multivariate index assay that combines CA125 and four other serum proteins to assess the malignant risk of an adnexal mass. Objective: To evaluate the performance of OVA1 in a cohort of patients with low-risk serum CA125 values. Study Design: We analyzed patient data from previous collections (N = 2305, prevalence …
Mindsets In Legal Education, Victor D. Quintanilla, Sam Erman
Mindsets In Legal Education, Victor D. Quintanilla, Sam Erman
Journal of Legal Education
No abstract provided.
Medical Device Artificial Intelligence: The New Tort Frontier, Charlotte A. Tschider
Medical Device Artificial Intelligence: The New Tort Frontier, Charlotte A. Tschider
BYU Law Review
The medical device industry and new technology start-ups have dramatically increased investment in artificial intelligence (AI) applications, including diagnostic tools and AI-enabled devices. These technologies have been positioned to reduce climbing health costs while simultaneously improving health outcomes. Technologies like AI-enabled surgical robots, AI-enabled insulin pumps, and cancer detection applications hold tremendous promise, yet without appropriate oversight, they will likely pose major safety issues. While preventative safety measures may reduce risk to patients using these technologies, effective regulatory-tort regimes also permit recovery when preventative solutions are insufficient.
The Food and Drug Administration (FDA), the administrative agency responsible for overseeing the …
Strict Liability For The Information Age, Kevin Alden
Strict Liability For The Information Age, Kevin Alden
BYU Law Review
No abstract provided.
The Challenges Of Implementing Action Research In A Divided Context: A Field Account, Olubunmi Damilola Akande
The Challenges Of Implementing Action Research In A Divided Context: A Field Account, Olubunmi Damilola Akande
The Qualitative Report
Action research is mainly concerned with the entrenchment of social change through social interventions that involves the beneficiaries as key participators. The study documents the experience of the researcher in conducting action themed research in two adversarial communities in North-Central Nigeria. The core goals of the study are to draw attention to the usefulness of this approach for peacebuilding research and to also shed light on some of the complexities associated with this kind of research. A research diary was employed to document events and reflections as they unfolded during the fieldwork. A combination of a harsh social climate and …
Life Paths To Leading Systems-Level Change: Higher Education’S Pitfalls And Potential, Roslynn Brain Mccann, Kaitlyn Spangler, Andrew Millison
Life Paths To Leading Systems-Level Change: Higher Education’S Pitfalls And Potential, Roslynn Brain Mccann, Kaitlyn Spangler, Andrew Millison
Environment and Society Faculty Publications
Global protests calling for accelerated climate change action, social justice, and racial equity have been shifting long- standing conversations and policies from local to national scales. Yet many activists can become psychologically drained by the frustration and loss of hope in fighting against structural oppression. This study was comprised of semi-structured qualitative interviews spanning across the United States with 25 leaders and practitioners in permaculture design, a solutions-based ecological design framework to enact positive, systems-level environmental and social change. The objective was to better understand their life paths toward such work. The research showed that higher education is not adequately …
Discovery Of A New Gamma-Ray Source, Lhaaso J0341+5258, With Emission Up To 200 Tev, Zhen Cao, F. Aharonian, Q. An, Axikegu, L. X. Bai, Y. X. Bai, Y. W. Bao, D. Bastieri, X. J. Bi, Y. J. Bi, H. Cai, J. T. Cai, Zhe Cao, J. Chang, J. F. Chang, B. M. Chen, E. S. Chen, J. Chen, Liang Chen, Liang Chen, Long Chen, M. J. Chen, M. L. Chen, Q. H. Chen, S. H. Chen, S. Z. Chen, T. L. Chen, X. L. Chen, Y. Chen, N. Cheng, Y. D. Cheng, S. W. Cui, X. H. Cui, Y. D. Cui, B. D'Ettore Piazzoli, B. Z. Dai, H. L. Dai, Z. G. Dai, Danzen Gluobu, D. Della Volpe, X. J. Dong, K. K. Duan, J. H. Fan, Y. Z. Fan, Z. X. Fan, J. Fang, K. Fang, C. F. Feng, L. Feng, S. H. Feng, Y. L. Feng, B. Gao, C. D. Gao, L. Q. Gao, Q. Gao, W. Gao, M. M. Ge, L. S. Geng, G. H. Gong, Q. B. Gou, M. H. Gu, F. L. Guo, J. G. Guo, X. L. Guo, Y. Q. Guo, Y. Y. Guo, Y. A. Han, H. H. He, H. N. He, J. C. He, S. L. He, X. B. He, Y. He, M. Heller, Y. K. Hor, C. Hou, H. B. Hu, S. Hu, S. C. Hu, X. J. Hu, D. H. Huang, Q. L. Huang, W. H. Huang, X. T. Huang, X. Y. Huang, Z. C. Huang, F. Ji, X. L. Ji, H. Y. Jia, K. Jiang, Z. J. Jiang, C. Jin, T. Ke, D. Kuleshov, K. Levochkin, B. B. Li, Cheng Li, Cong Li, F. Li, H. B. Li, H. C. Li, H. Y. Li, J. Li, K. Li, W. L. Li, X. R. Li, Xin Li, Xin Li, Y. Li, Y. Z. Li, Zhe Li, Zhuo Li, E. W. Liang, Y. F. Liang, S. J. Lin, B. Liu, C. Liu, D. Liu, H. Liu, H. D. Liu, J. Liu, J. L. Liu, J. S. Liu, J. Y. Liu, M. Y. Liu, R. Y. Liu, S. M. Liu, W. Liu, Y. Liu, Y. N. Liu, Z. X. Liu, W. J. Long, R. Lu, H. K. Lv, B. Q. Ma, L. L. Ma, X. H. Ma, J. R. Mao, A. Masood, Z. Min, W. Mitthumsiri, T. Montaruli, Y. C. Nan, B. Y. Pang, P. Pattarakijwanich, Z. Y. Pei, M. Y. Qi, Y. Q. Qi, B. Q. Qiao, J. J. Qin, D. Ruffolo, V. Rulev, A. Saiz, L. Shao, O. Shchegolev, X. D. Sheng, J. Y. Shi, H. C. Song, Yu. V. Stenkin, V. Stepanov, Y. Su, Q. N. Sun, X. N. Sun, Z. B. Sun, P. H. T. Tam, Z. B. Tang, W. W. Tian, B. D. Wang, C. Wang, H. Wang, H. G. Wang, J. C. Wang, J. S. Wang, L. P. Wang, L. Y. Wang, R. N. Wang, W. Wang, W. Wang, X. G. Wang, Xiaojie Wang, X. Y. Wang, Y. Wang, Y. D. Wang, Y. J. Wang, Y. P. Wang, Z. H. Wang, Z. X. Wang, Zhen Wang, Zheng Wang, D. M. Wei, J. J. Wei, Y. J. Wei, T. Wen, C. Y. Wu, H. R. Wu, S. Wu, W. X. Wu, X. F. Wu, S. Q. Xi, J. Xia, J. J. Xia, G. M. Xiang, D. X. Xiao, G. Xiao, H. B. Xiao, G. G. Xin, Y. L. Xin, Y. Xing, D. L. Xu, R. X. Xu, L. Xue, D. H. Yan, J. Z. Yan, C. W. Yang, F. F. Yang, J. Y. Yang, L. L. Yang, M. J. Yang, R. Z. Yang, S. B. Yang, Y. H. Yao, Z. G. Yao, Y. M. Ye, L. Q. Yin, N. Yin, X. H. You, Z. Y. You, Y. H. Yu, Q. Yuan, H. D. Zeng, T. X. Zeng, W. Zeng, Z. K. Zeng, M. Zha, X. X. Zha, B. B. Zhang, H. M. Zhang, H. Y. Zhang, J. L. Zhang, J. W. Zhang, L. X. Zhang, Li Zhang, Lu Zhang, P. F. Zhang, P. P. Zhang, R. Zhang, S. R. Zhang, S. S. Zhang, X. Zhang, X. P. Zhang, Y. F. Zhang, Y. L. Zhang, Yi Zhang, Yong Zhang, B. Zhao, J. Zhao, L. Zhao, L. Z. Zhao, S. P. Zhao, F. Zheng, Y. Zheng, B. Zhou, H. Zhou, J. N. Zhou, P. Zhou, R. Zhou, X. X. Zhou, C. G. Zhu, F. R. Zhu, H. Zhu, K. J. Zhu, X. Zuo
Discovery Of A New Gamma-Ray Source, Lhaaso J0341+5258, With Emission Up To 200 Tev, Zhen Cao, F. Aharonian, Q. An, Axikegu, L. X. Bai, Y. X. Bai, Y. W. Bao, D. Bastieri, X. J. Bi, Y. J. Bi, H. Cai, J. T. Cai, Zhe Cao, J. Chang, J. F. Chang, B. M. Chen, E. S. Chen, J. Chen, Liang Chen, Liang Chen, Long Chen, M. J. Chen, M. L. Chen, Q. H. Chen, S. H. Chen, S. Z. Chen, T. L. Chen, X. L. Chen, Y. Chen, N. Cheng, Y. D. Cheng, S. W. Cui, X. H. Cui, Y. D. Cui, B. D'Ettore Piazzoli, B. Z. Dai, H. L. Dai, Z. G. Dai, Danzen Gluobu, D. Della Volpe, X. J. Dong, K. K. Duan, J. H. Fan, Y. Z. Fan, Z. X. Fan, J. Fang, K. Fang, C. F. Feng, L. Feng, S. H. Feng, Y. L. Feng, B. Gao, C. D. Gao, L. Q. Gao, Q. Gao, W. Gao, M. M. Ge, L. S. Geng, G. H. Gong, Q. B. Gou, M. H. Gu, F. L. Guo, J. G. Guo, X. L. Guo, Y. Q. Guo, Y. Y. Guo, Y. A. Han, H. H. He, H. N. He, J. C. He, S. L. He, X. B. He, Y. He, M. Heller, Y. K. Hor, C. Hou, H. B. Hu, S. Hu, S. C. Hu, X. J. Hu, D. H. Huang, Q. L. Huang, W. H. Huang, X. T. Huang, X. Y. Huang, Z. C. Huang, F. Ji, X. L. Ji, H. Y. Jia, K. Jiang, Z. J. Jiang, C. Jin, T. Ke, D. Kuleshov, K. Levochkin, B. B. Li, Cheng Li, Cong Li, F. Li, H. B. Li, H. C. Li, H. Y. Li, J. Li, K. Li, W. L. Li, X. R. Li, Xin Li, Xin Li, Y. Li, Y. Z. Li, Zhe Li, Zhuo Li, E. W. Liang, Y. F. Liang, S. J. Lin, B. Liu, C. Liu, D. Liu, H. Liu, H. D. Liu, J. Liu, J. L. Liu, J. S. Liu, J. Y. Liu, M. Y. Liu, R. Y. Liu, S. M. Liu, W. Liu, Y. Liu, Y. N. Liu, Z. X. Liu, W. J. Long, R. Lu, H. K. Lv, B. Q. Ma, L. L. Ma, X. H. Ma, J. R. Mao, A. Masood, Z. Min, W. Mitthumsiri, T. Montaruli, Y. C. Nan, B. Y. Pang, P. Pattarakijwanich, Z. Y. Pei, M. Y. Qi, Y. Q. Qi, B. Q. Qiao, J. J. Qin, D. Ruffolo, V. Rulev, A. Saiz, L. Shao, O. Shchegolev, X. D. Sheng, J. Y. Shi, H. C. Song, Yu. V. Stenkin, V. Stepanov, Y. Su, Q. N. Sun, X. N. Sun, Z. B. Sun, P. H. T. Tam, Z. B. Tang, W. W. Tian, B. D. Wang, C. Wang, H. Wang, H. G. Wang, J. C. Wang, J. S. Wang, L. P. Wang, L. Y. Wang, R. N. Wang, W. Wang, W. Wang, X. G. Wang, Xiaojie Wang, X. Y. Wang, Y. Wang, Y. D. Wang, Y. J. Wang, Y. P. Wang, Z. H. Wang, Z. X. Wang, Zhen Wang, Zheng Wang, D. M. Wei, J. J. Wei, Y. J. Wei, T. Wen, C. Y. Wu, H. R. Wu, S. Wu, W. X. Wu, X. F. Wu, S. Q. Xi, J. Xia, J. J. Xia, G. M. Xiang, D. X. Xiao, G. Xiao, H. B. Xiao, G. G. Xin, Y. L. Xin, Y. Xing, D. L. Xu, R. X. Xu, L. Xue, D. H. Yan, J. Z. Yan, C. W. Yang, F. F. Yang, J. Y. Yang, L. L. Yang, M. J. Yang, R. Z. Yang, S. B. Yang, Y. H. Yao, Z. G. Yao, Y. M. Ye, L. Q. Yin, N. Yin, X. H. You, Z. Y. You, Y. H. Yu, Q. Yuan, H. D. Zeng, T. X. Zeng, W. Zeng, Z. K. Zeng, M. Zha, X. X. Zha, B. B. Zhang, H. M. Zhang, H. Y. Zhang, J. L. Zhang, J. W. Zhang, L. X. Zhang, Li Zhang, Lu Zhang, P. F. Zhang, P. P. Zhang, R. Zhang, S. R. Zhang, S. S. Zhang, X. Zhang, X. P. Zhang, Y. F. Zhang, Y. L. Zhang, Yi Zhang, Yong Zhang, B. Zhao, J. Zhao, L. Zhao, L. Z. Zhao, S. P. Zhao, F. Zheng, Y. Zheng, B. Zhou, H. Zhou, J. N. Zhou, P. Zhou, R. Zhou, X. X. Zhou, C. G. Zhu, F. R. Zhu, H. Zhu, K. J. Zhu, X. Zuo
Physics Faculty Research & Creative Works
We report the discovery of a new unidentified extended γ-ray source in the Galactic plane named LHAASO J0341+5258 with a pretrial significance of 8.2 standard deviations above 25 TeV. The best-fit position is R.A. = 55. 34 0. 11 and decl. = 52. 97 0. 07. The angular size of LHAASO J0341+5258 is 0. 29 0. 06stat 0. 02sys. The flux above 25 TeV is about 20% of the flux of the Crab Nebula. Although a power-law fit of the spectrum from 10 to 200 TeV with the photon index α = 2.98 0.19stat 0.02sys is not excluded, the LHAASO …
Gaiety, April 1976
Gaiety, 1975-1977
Editor-in-Chief: Gary Poe. News Editor: Fred Harris. Staff Writers: Martha Brummett, Buddy Haynes. Staff Artist: Mary Jo Cowart. Jackson (TN) Correspondent: Wayne Maness.
Special thanks to Rhodes College and the Paul Barret Jr. Library for providing initial scanning of this collection.
Bradley-Glenn Using Extra Year To His Advantage, Georgia Southern University
Bradley-Glenn Using Extra Year To His Advantage, Georgia Southern University
Athletics: News & Publications
- Bradley-Glenn Using Extra Year to his Advantage
A Single Cell Pair Mechanical Interrogation Platform To Study Cell–Cell Adhesion Mechanics, Amir Monemianesfahani
A Single Cell Pair Mechanical Interrogation Platform To Study Cell–Cell Adhesion Mechanics, Amir Monemianesfahani
Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research
Cell-cell adhesion complexes are macromolecular adhesive organelles that integrate cells into tissues. Perturbations of the cell-cell adhesion structure or relatedmechanotransduction pathways lead to pathological conditions such as skin and heart diseases, arthritis, and cancer. Mechanical stretching has been used to stimulate the mechanotransduction process originating from the cell-cell adhesion and cell-extracellular matrix (ECM) complexes. The current techniques, however, have limitations on their ability to measure the cell-cell adhesion force directly and quantitatively. These methods use a monolayer of cells, which makes it impossible to quantify the forces within a single cell-cell adhesion complex. Other methods using single cells or cell …
On A New Generalized Beta Function Defined By The Generalized Wright Function And Its Applications.Pdf, Umar Muhammad Abubakar, Saroj Patel
On A New Generalized Beta Function Defined By The Generalized Wright Function And Its Applications.Pdf, Umar Muhammad Abubakar, Saroj Patel
Malaysian Journal of Computing (MJoC)
Various extensions of classical gamma, beta, Gauss hypergeometric and confluent hypergeometric functions have been proposed recently by many researchers. In this paper, further generalized extended beta function with some of its properties like summation formulas, Integral representations, connections with other special functions such as incomplete gamma, classical beta, classical Wright, hypergeometric, error, Fox-H, Fox-Wright, Meijer-G functions are obtained. Beta distribution together with-it corresponding moment, mean, variance, moment generating function and cumulative distribution are also presented. Moreover, the generalized beta function is used to generalized classical and other related extended Gauss, Kumar confluent, Appell’s and Lauricella’s hypergeometric functions with their integral …
Machine Learning Techniques For Early Heart Failure Prediction.Pdf, Nur Shahellin Mansur Huang, Zaidah Ibrahim, Norizan Mat Diah
Machine Learning Techniques For Early Heart Failure Prediction.Pdf, Nur Shahellin Mansur Huang, Zaidah Ibrahim, Norizan Mat Diah
Malaysian Journal of Computing (MJoC)
This paper discusses the performance of four popular machine learning techniques for predicting heart failure using a publicly available dataset from kaggle.com, which are Random Forest (RF), Support Vector Machine (SVM), Naive Bayes (NB), and Logistic Regression (LR). They were selected due to their good performance in medical-related applications. Heart failure is a common public health problem, and there is a need to improve the management of heart failure cases to increase the survival rate. The vast amount of medical data related to heart failure and the availability of powerful computing devices allow researchers to conduct more experiments. The performance …
An Assessment Of Journal Quality Indicators: A Comparative Study Of Selected Medical Journals, Mamatha V, Dr Keshava
An Assessment Of Journal Quality Indicators: A Comparative Study Of Selected Medical Journals, Mamatha V, Dr Keshava
Library Philosophy and Practice (e-journal)
The purpose of the study was to assess the correlation between four bibliometric indicators (Impact Factor-IF, Eigenfactor Score-ES, SCImago Journal Rank-SJR, and H5 index) of typical online medical journals were selected from the medical group. Findings from the study evident that in accordance with Pearson’s (r) statistical correlation there is a high significance between four indicators and as per Spearman’s rho statistical correlation there is an association between the three indicators i.e. JIF, SJR, and H5. The above-mentioned indicators are correlated with one a different and it is chiefly true for medical journals when used as communal indicators to estimate …
Darkcarb: An Innovative Approach To Infrared Imaging, Andrew Haslehurst, Rachel Bird, Trevor Wood, Calem Whiting, Bena Mero, Harbinder Rana, Matt Price, Camilla Weiss, Diego Angarita-James, James Bell, Tasos Matheopoulos, John Gliby, Martin Sweeting
Darkcarb: An Innovative Approach To Infrared Imaging, Andrew Haslehurst, Rachel Bird, Trevor Wood, Calem Whiting, Bena Mero, Harbinder Rana, Matt Price, Camilla Weiss, Diego Angarita-James, James Bell, Tasos Matheopoulos, John Gliby, Martin Sweeting
Small Satellite Conference
DarkCarb is a pioneering Earth observation (EO) satellite, under development at SSTL, designed to acquire high resolution Mid Wave Infrared (MWIR) imagery and video from low Earth orbit. The mission will set a precedent in IR performance from a small and capable satellite platform while maintaining the SSTL cost effective approach thereby enabling a spacecraft price which makes building constellations, capable of delivering rapid re-visit and wide area coverage, an attractive and worthwhile commercial investment. The DarkCarb satellite features an innovative low mass and volume MWIR imager which, when combined with the implementation of novel image enhancement algorithms, will achieve …
Dynamically Controlling Image Integration Onboard The Star-Planet Activity Research Cubesat (Sparcs), Tahina Ramiaramanantsoa, Judd Bowman, Evgenya Shkolnik, R.O. Parke Loyd, David R. Ardila, Travis Barman, Christophe Basset, Matthew Beasley, Samuel Cheng, Johnathan Gamaunt, Varoujan Gorjian, Daniel Jacobs, Logan Jensen, April Jewell, Mary Knapp, Joe Llama, Victoria Meadows, Shouleh Nikzad, Sarah Peacock, Paul Scowen, Mark Swain
Dynamically Controlling Image Integration Onboard The Star-Planet Activity Research Cubesat (Sparcs), Tahina Ramiaramanantsoa, Judd Bowman, Evgenya Shkolnik, R.O. Parke Loyd, David R. Ardila, Travis Barman, Christophe Basset, Matthew Beasley, Samuel Cheng, Johnathan Gamaunt, Varoujan Gorjian, Daniel Jacobs, Logan Jensen, April Jewell, Mary Knapp, Joe Llama, Victoria Meadows, Shouleh Nikzad, Sarah Peacock, Paul Scowen, Mark Swain
Small Satellite Conference
The Star-Planet Activity Research CubeSat (SPARCS) is a 6U CubeSat astronomical observatory underdevelopment and will be entirely dedicated to the photometric monitoring of the flaring activity of M dwarfs at near-UV (258 nm – 308 nm) and far-UV (153 nm–171 nm) wavelengths. The SPARCS science pay load is composed of a 9-cm telescope that projects a 40’ field-of-view onto two UV-optimized delta-doped charge-coupled devices (CCDs), which are controlled by a dedicated payload processor board. Given that M dwarf flares in the UV are expected to be capable of reaching amplitudes ∼14,000 times above their quiescent flux, with durations that …
Mission Concept For Demonstrating Small-Spacecraft True Anomaly Estimation Using Millisecond X-Ray Pulsars, Anant Kandala, Aashka Oza, Bharath Saiguhan, Shreya Mishra, Priyadarshnam Hari, Samir Mandal, Harsh Simha
Mission Concept For Demonstrating Small-Spacecraft True Anomaly Estimation Using Millisecond X-Ray Pulsars, Anant Kandala, Aashka Oza, Bharath Saiguhan, Shreya Mishra, Priyadarshnam Hari, Samir Mandal, Harsh Simha
Small Satellite Conference
Navigation based on X-ray pulsars was first suggested in 1981 for deep space navigation as an alternative to the conventional Deep Space Network (DSN) which is inaccurate at large distances from the Earth. This idea was recently demonstrated using the NICER/SEXTANT instrument onboard the ISS. X-ray pulsar-based navigation is of of great interest as it eliminates the reliance on Earth-based systems, and is yet to be implemented as an autonomous navigation system for deep space missions. For the purpose of navigation, X-ray millisecond pulsars are the most appropriate celestial sources. They emit unique, stable and periodic radiation that exhibits high …
A Compact Five-Channel Vlf Wave Receiver For Cubesat Missions, Riley A. Reid, Robert A. Marshall, Scott E. Palo, David M. Malaspina
A Compact Five-Channel Vlf Wave Receiver For Cubesat Missions, Riley A. Reid, Robert A. Marshall, Scott E. Palo, David M. Malaspina
Small Satellite Conference
Very low frequency (VLF) waves play an important role in controlling the evolution of energetic electron distributions in near-Earth space. This paper describes the design of a VLF receiver for the Climatology of Anthropogenic and Natural VLF Wave Activity in Space (CANVAS) CubeSat mission, designed to make continuous observations of VLF waves in low-Earth orbit originating from lightning and ground-based transmitters. The CANVAS VLF receiver will observe five components of VLF waves in the 0.3–40 kHz frequency range, using three orthogonal magnetic search coils deployed on the end of a 1-meter carbon fiber boom and four deployable electric field antennas …
The Pandora Smallsat: Multiwavelength Characterization Of Exoplanets And Their Host Stars, Elisa V. Quintana, Knicole D. Colón, Greg Mosby, Joshua E. Schlieder, Pete Supsinskas, Jordan Karburn, Jessie L. Dotson, Thomas P. Greene, Christina Hedges, Dániel Apai, Thomas Barclay, Jessie L. Christiansen, Néctor Espinoza, Susan E. Mullally, Emily A. Gilbert, Kelsey Hoffman, Veselin B. Kostov, Nikole K. Lewis, Trevor O. Foote, James Mason, Allison Youngblood, Brett Morris, Elizabeth R. Newton, Joshua Pepper, Benjamin V. Rackham, Jason F. Rowe, Kevin Stevenson
The Pandora Smallsat: Multiwavelength Characterization Of Exoplanets And Their Host Stars, Elisa V. Quintana, Knicole D. Colón, Greg Mosby, Joshua E. Schlieder, Pete Supsinskas, Jordan Karburn, Jessie L. Dotson, Thomas P. Greene, Christina Hedges, Dániel Apai, Thomas Barclay, Jessie L. Christiansen, Néctor Espinoza, Susan E. Mullally, Emily A. Gilbert, Kelsey Hoffman, Veselin B. Kostov, Nikole K. Lewis, Trevor O. Foote, James Mason, Allison Youngblood, Brett Morris, Elizabeth R. Newton, Joshua Pepper, Benjamin V. Rackham, Jason F. Rowe, Kevin Stevenson
Small Satellite Conference
Pandora is a SmallSat mission concept, selected as part of NASA’s Astrophysics Pioneers Program, designed to study the atmospheres of exoplanets using transmission spectroscopy. Transmission spectroscopy of transiting exoplanets provides our best opportunity to identify the makeup of planetary atmospheres in the coming decade. Stellar brightness variations due to star spots, however, can seep into these measurements and contaminate the observed spectra. Pandora is designed to disentangle star and planet signals in transmission spectra and reliably characterize the planetary atmospheres. Pandora will collect long-duration photometric observations with a visible-light channel, and simultaneous spectra with a near-IR channel, where water is …
Technical Challenges For Small Sar Satellites With High Performance, Hirobumi Saito, Kosei Ishimura, Jiro Hirokawa, Takashi Tomura, Koichi Ijichi, Koji Tanaka
Technical Challenges For Small Sar Satellites With High Performance, Hirobumi Saito, Kosei Ishimura, Jiro Hirokawa, Takashi Tomura, Koichi Ijichi, Koji Tanaka
Small Satellite Conference
We have developed a small SAR sensor, Micro X-SAR, compatible with 130 kg small satellite. It is capable of 3-meter resolution SAR image acquisition in strip-map mode and 1-meter resolution SAR image acquisition in sliding spotlight mode. This small SAR sensor was successfully demonstrated in orbit by a private company in 2021, Feb. This paper describes the next technical challenge of small SAR satellite with higher performance. We discuss on several types of SAR mission such as high resolution missions, wide swath missions, and constellation missions. Then we describe the present status of technical challenges to wideband, high power, and …
The Ezie Way To Measure The Ionospheric Electrojets With A Three-Cubesat Constellation, Jeng-Hwa Yee, Jesper Gjerloev, Rafael Perez, William H. Swartz, Sidharth Misra, Olagappan Chidambaram, Christopher Ruf
The Ezie Way To Measure The Ionospheric Electrojets With A Three-Cubesat Constellation, Jeng-Hwa Yee, Jesper Gjerloev, Rafael Perez, William H. Swartz, Sidharth Misra, Olagappan Chidambaram, Christopher Ruf
Small Satellite Conference
A recently selected NASA heliophysics mission of opportunity, the Electrojet Zeeman Imaging Explorer (EZIE), will study the electric currents that play a crucial role in the interactions between Earth and the surrounding magnetosphere. The aurora is a spectacular manifestation of these interactions. EZIE consists of three 6U CubeSats flying in a pearls-on-a-string orbit configuration, each carrying a Microwave Electrojet Magnetogram (MEM) instrument. Four beams on each satellite measure polarimetric radiances that contain the magnetic signatures of the intense currents in ionospheric plasmas (electrojets) based on the Zeeman splitting of molecular oxygen thermal emissions. This novel measurement technique allows for the …
Liciacube Mission: The Fastest Fly-By Ever Done By A Cubesat, V. Marchese, N. R. Benigno, S. Simonetti, E. Fazzoletto, F. Miglioretti, V. Di Tana, Simone Pirrotta, Marilena Amoroso, Elizabetta Dotto, Vincenzo Della Corte
Liciacube Mission: The Fastest Fly-By Ever Done By A Cubesat, V. Marchese, N. R. Benigno, S. Simonetti, E. Fazzoletto, F. Miglioretti, V. Di Tana, Simone Pirrotta, Marilena Amoroso, Elizabetta Dotto, Vincenzo Della Corte
Small Satellite Conference
As SmallSats are gathering an ever-increasing importance for all types of space missions, they are asked more often to operate in harshest environments and to complete the most complex tasks. One of these demanding technical challenges arises in the frame of the planetary defense. Space missions towards asteroids have garnered the due attention in recent years and, in this regard, NASA has developed the Double Asteroid Redirection Test (DART) mission, in which the Italy will lend its contribution. While DART acts as a kinetic impactor deflecting the orbit of the asteroid Dimorphos, the moon of the targeted binary system Didymos, …