29 research outputs found
Struggles of Women Teachers: A Narrative Inquiry
No full textWomen teachers struggle to fit into their family responsibilities and the workplace; often, they cannot perform well while trying to balance both. Against this backdrop, this study aims to explore the experiences of women teachers to understand their professional struggles in their workplace. It is a qualitative study, where I purposively selected four women teachers from Far-West (Kailali) as my research participants. They teach in private and public schools. I interviewed them to collect the information required for this study. Simultaneously, I recorded and transcribed the data, then coded, categorized, and thematized them as patterns emerged. The study indicates the gender discrimination in the workplace and home of women teachers and the difficulty for them to balance their work life and responsibilities at home. The findings reveal that most women teachers have left their jobs to look after their families and children, and after a few years of gap, they struggle to find a job. A flexible policy can help women teachers sustain themselves in teaching jobs
UBLUE for the regular two-stage linear model from the perspective of projection operators
No full textThe linear models in multi stages and in particular the two-stage models, have great potential that may be used in many scientific research. Nevertheless more than 20 years have elapsed since the two-stage model was defined by [5] and still the use of these models is not yet popular among applied research workers, which we attribute to the complicated expressions of the estimators of the mean vector and other parameters of the model obtained till now in the different papers published on this subject. This article gives alternative expressions for UBLUE of and in the regular two-stage linear model, using projection operators onto and a linear transformation F of the observable random vector y which is linearly sufficient in order to provide new insights and facilitate the use of these models in applied research
Representation of women in selected Gujarati and English novels and Gujarti and Hindi popular Films: With special reference to 'A Suitable Boy' and 'The God of Small Things' In English and 'Amruta' and 'Sat Paglan Akashman' in Gujarati Fiction and 'Sholay
No full textNot availabl
A Critical Study of the Autobiographical Elements in the Fictional Works of R. K. Narayan
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Pelvic bone anatomy vs implanted gold seed marker registration for image-guided intensity modulated radiotherapy for prostate carcinoma: Comparative analysis of inter-fraction motion and toxicities
No full textEvaluation of XRCC1 Gene Polymorphism as a Biomarker in Head and Neck Cancer Patients Undergoing Chemoradiation Therapy
No full textPelvic bone anatomy vs implanted gold seed marker registration for image-guided intensity modulated radiotherapy for prostate carcinoma: Comparative analysis of inter-fraction motion and toxicities
No full textObjectives: We compared the prostate motion variability and toxicities between patients treated with gold marker registration based IG-IMRT (IG-IMRT-M) and bony landmark registration based IG-IMRT (IG-IMRT-B).
Methods: T1c-T3b (node negative), intermediate and high risk (non-metastatic) adenocarcinoma of prostate, age ≥18 years, Karnofsky Performance Status of ≥70 were included in this retrospective study. The prostate motion variability, acute and late radiation toxicities between the two treatment arms (IG-IMRT-M versus IG-IMRT-B) were compared.
Results: Total of 35 patients (17 for IG-IMRT-M and 18 for IG-IMRT-B) were treated with a median radiotherapy dose of 76 Gray. The prostate variability observed with and without markers in millimeter was 4.1 ± 2.3 vs 3.7 ± 2.1 [Antero-Posterior (A-P); p = 0.001], 2.3 ± 1.5 vs 2.1 ± 1.2 [Superior-Inferior (S-I); p = 0.095] and 1.1 ± 1.7 vs 0.4 ± 1.4 [Left-Right (L-R); p = 0.003]. There was higher acute toxicity in IG-IMRT-B arm compared to IG-IMRT-M arm in terms of grade ≥2 diarrhea [50% vs 11% OR = 7.5 (1.3–42.7); p = 0.02] and grade ≥2 proctitis [38% vs 5.8%, OR = 10.1 (1.09–94.1); p = 0.04]. At a median follow up of 36 months, the late genitourinary toxicities grade ≥2 [27% vs 0%; p = 0.04] were higher in the IG-IMRT-B arm compared to IG-IMRT-M arm.
Conclusions: IG-IMRT-M detects higher prostate motion variability as compared to IG-IMRT-B, inferring a significant prostate motion inside fixed pelvic bony cavity. The addition of marker based image guidance results in higher precision of prostate localization and lesser acute and late toxicities
VaTEST. II. Statistical Validation of 11 TESS-detected Exoplanets Orbiting K-type Stars
No full textMistry, Priyashkumar et al.--Full list of authors: Mistry, Priyashkumar; Pathak, Kamlesh; Prasad, Aniket; Lekkas, Georgios; Bhattarai, Surendra; Gharat, Sarvesh; Maity, Mousam; Kumar, Dhruv; Collins, Karen A.; Schwarz, Richard P.; Mann, Christopher R.; Furlan, Elise; Howell, Steve B.; Ciardi, David; Bieryla, Allyson; Matthews, Elisabeth C.; Gonzales, Erica; Ziegler, Carl; Crossfield, Ian; Giacalone, Steven; Tan, Thiam-Guan; Evans, Phil; Helminiak, Krzysztof G.; Collins, Kevin I.; Narita, Norio; Fukui, Akihiko; Pozuelos, Francisco J.; Dressing, Courtney; Soubkiou, Abderahmane; Benkhaldoun, Zouhair; Schlieder, Joshua E.; Suarez, Olga; Barkaoui, Khalid; Palle, Enric; Murgas, Felipe; Srdoc, Gregor; Goliguzova, Maria V.; Strakhov, Ivan A.; Gnilka, Crystal; Lester, Kathryn; Littlefield, Colin; Scott, Nic; Matson, Rachel; Gillon, Michael; Jehin, Emmanuel; Timmermans, Mathilde; Ghachoui, Mourad; Abe, Lyu; Bendjoya, Philippe; Guillot, Tristan; Triaud, Amaury H. M. J.NASA's Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission designed to find transiting exoplanets orbiting nearby bright stars. It has identified more than 329 transiting exoplanets, and almost 6000 candidates remain unvalidated. In this manuscript, we discuss the findings from the ongoing Validation of Transiting Exoplanets using Statistical Tools (VaTEST) project, which aims to validate new exoplanets for further characterization. We validated 11 new exoplanets by examining the light curves of 24 candidates using the LATTE and TESS-Plot tools and computing the false-positive probabilities using the statistical validation tool TRICERATOPS. These include planets suitable for atmospheric characterization using transmission spectroscopy (TOI-2194b), emission spectroscopy (TOI-3082b and TOI-5704b) and for both transmission and emission spectroscopy (TOI-672b, TOI-1694b, and TOI-2443b). Our validated planets have one super-Earth (TOI-2194b) orbiting a bright (V = 8.42 mag), metal-poor ([Fe/H] = −0.3720 ± 0.1) star, and one short-period Neptune-like planet (TOI-5704) in the hot-Neptune desert. In total, we validated one super-Earth, seven sub-Neptunes, one Neptune-like, and two sub-Saturn or super-Neptune-like exoplanets. Additionally, we identify five likely planet candidates (TOI-323, TOI-1180, TOI-2200, TOI-2408, and TOI-3913), which can be further studied to establish their planetary nature. © 2023. The Author(s). Published by the American Astronomical Society.M.V.G. and I.A.S. acknowledge the support of Ministry of Science and Higher Education of the Russian Federation under the grant 075-15-2020-780 (N13.1902.21.0039). Funding for the TESS mission is provided by NASA's Science Mission Directorate. KAC acknowledges support from the TESS mission via subaward s3449 from MIT. Some of the observations in this paper made use of the High-Resolution Imaging instruments 'Alopeke and Zorro and were obtained under Gemini LLP Proposal Number: GN/S-2021A-LP-105. 'Alopeke and Zorro were funded by the NASA Exoplanet Exploration Program and built at the NASA Ames Research Center by Steve B. Howell, Nic Scott, Elliott P. Horch, and Emmett Quigley. 'Alopeke was mounted on the Gemini North telescope of the international Gemini Observatory, a program of NSF's OIR Lab, which is managed by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation. On behalf of the Gemini partnership: the National Science Foundation (United States), National Research Council (Canada), Agencia Nacional de Investigación y Desarrollo (Chile), Ministerio de Ciencia, Tecnología e Innovación (Argentina), Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brazil), and Korea Astronomy and Space Science Institute (Republic of Korea). This work makes use of observations from the LCOGT network. Part of the LCOGT telescope time was granted by NOIRLab through the Mid-Scale Innovations Program (MSIP). MSIP is funded by NSF. This paper makes use of observations made with the MuSCAT2 instrument, developed by the Astrobiology Center, at TCS operated on the island of Tenerife by the IAC in the Spanish Observatorio del Teide. This paper is based on observations made with the MuSCAT3 instrument, developed by the Astrobiology Center and under financial supports by JSPS KAKENHI (JP18H05439) and JST PRESTO (JPMJPR1775), at Faulkes Telescope North on Maui, HI, operated by the Las Cumbres Observatory. This research has made use of the Exoplanet Follow-up Observation Program (ExoFOP; DOI:10.26134/ExoFOP5) website, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program. This publication makes use of data products collected by the TESS mission and obtained from the MAST data archive at the Space Telescope Science Institute (STScI). The light curve and target pixel file data used in this paper can be found in 10.17909/t9-nmc8-f686. C.M. would like to gratefully acknowledge the entire Dragonfly Telephoto Array team, and Bob Abraham in particular, for allowing their telescope bright time to be put to use observing exoplanets. TRAPPIST-South is funded by the Belgian National Fund for Scientific Research (F.R.S.-FNRS) under grant PDR T.0120.21, with the participation of the Swiss National Science Fundation (SNF). M.G. is F.R.S-FNRS Research Director. E.J. is F.R.S-FNRS Senior Research Associate. The postdoctoral fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the Francqui Foundation. This publication benefits from the support of the French Community of Belgium in the context of the FRIA Doctoral Grant awarded to MT. F.J.P. acknowledges financial support from the grant CEX2021-001131-S funded by MCIN/AEI/ 10.13039/501100011033. This research received funding from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (grant agreement n° 803193/BEBOP), and from the Science and Technology Facilities Council (STFC; grant n° ST/S00193X/1). This work makes use of observations from the ASTEP telescope. ASTEP benefited from the support of the French and Italian polar agencies IPEV and PNRA in the framework of the Concordia station program, from INSU, ESA, the University of Birmingham, and STFC.With funding from the Spanish government through the "Severo Ochoa Centre of Excellence" accreditation (CEX2021-001131-S).Peer reviewe
VaTEST III: Validation of eight potential super-earths from TESS data
No full textMistry, Priyashkumar et al.-- Full list of authors: Mistry, Priyashkumar; Prasad, Aniket; Maity, Mousam; Pathak, Kamlesh; Gharat, Sarvesh; Lekkas, Georgios; Bhattarai, Surendra; Kumar, Dhruv; Lissauer, Jack J.; Twicken, Joseph D.; Soubkiou, Abderahmane; Pozuelos, Francisco J.; Jenkins, Jon; Horne, Keith; Giacalone, Steven; Barkaoui, Khalid; Timmermans, Mathilde; Watkins, Cristilyn N.; Sefako, Ramotholo; Collins, Karen A.; Ciardi, David R.; Clark, Catherine A.; Safonov, Boris S.; Shporer, Avi; Schlieder, Joshua E.; Benkhaldoun, Zouhair; Stockdale, Chris; Ziegler, Carl; Gilbert, Emily A.; Emmanuël, Jehin; Murgas, Felipe; Crossfield, Ian J. M.; Paegert, Martin; Lund, Michael B.; Narita, Norio; Schwarz, Richard P.; Goeke, Robert F.; Fajardo-Acosta, Sergio B.; Howell, Steve B.; Tan, Thiam-Guan; Barclay, Thomas; Kawai, Yugo.NASA's all-sky survey mission, the Transiting Exoplanet Survey Satellite (TESS), is specifically engineered to detect exoplanets that transit bright stars. Thus far, TESS has successfully identified approximately 400 transiting exoplanets, in addition to roughly 6 000 candidate exoplanets pending confirmation. In this study, we present the results of our ongoing project, the Validation of Transiting Exoplanets using Statistical Tools (VaTEST). Our dedicated effort is focused on the confirmation and characterisation of new exoplanets through the application of statistical validation tools. Through a combination of ground-based telescope data, high-resolution imaging, and the utilisation of the statistical validation tool known as TRICERATOPS, we have successfully discovered eight potential super-Earths. These planets bear the designations: TOI-238b (1.61 R), TOI-771b (1.42 R), TOI-871b (1.66 R), TOI-1467b (1.83 R), TOI-1739b (1.69 R), TOI-2068b (1.82 R), TOI-4559b (1.42 R), and TOI-5799b (1.62 R). Among all these planets, six of them fall within the region known as 'keystone planets', which makes them particularly interesting for study. Based on the location of TOI-771b and TOI-4559b below the radius valley we characterised them as likely super-Earths, though radial velocity mass measurements for these planets will provide more details about their characterisation. It is noteworthy that planets within the size range investigated herein are absent from our own solar system, making their study crucial for gaining insights into the evolutionary stages between Earth and Neptune. © The Author(s)This work makes use of observations from the LCOGT
network. Part of the LCOGT telescope time was granted by NOIRLab
through the Mid-Scale Innovations Program (MSIP). MSIP is funded by
NSF. This research has made use of the Exoplanet Follow-up Observation
Program (ExoFOP; DOI: 10.26134/ExoFOP5) website, which is operated
by the California Institute of Technology, under contract with the National
Aeronautics and Space Administration under the Exoplanet Exploration
Program. Funding for the TESS mission is provided by NASA’s Science
Mission Directorate. KAC and CNW acknowledge support from the TESS
mission via subaward s3449 from MIT. This paper is based on observa-
tions made with the MuSCAT3 instrument, developed by the Astrobiology
Center and under financial support by JSPS KAKENHI (JP18H05439)
and JST PRESTO (JPMJPR1775), at Faulkes Telescope North on Maui,
HI, operated by the Las Cumbres Observatory. This paper makes use
of observations made with the MuSCAT2 instrument, developed by the
Astrobiology Center, at TCS operated on the island of Tenerife by the IAC
in the Spanish Observatorio del Teide. This paper makes use of data from
the MEarth Project, which is a collaboration between Harvard University
and the Smithsonian Astrophysical Observatory. The MEarth Project
acknowledges funding from the David and Lucile Packard Fellowship for
Science and Engineering, the National Science Foundation under grants
AST-0807690, AST-1109468, AST-1616624, and AST-1004488 (Alan T.
Waterman Award), the National Aeronautics and Space Administration under
Grant No. 80NSSC18K0476 issued through the XRP Program, and the John
Templeton Foundation. This work has made use of data from the European
Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), pro-
cessed by the Gaia Data Processing and Analysis Consortium (DPAC,
https://www.cosmos.esa.int/web/gaia/dpac/consortium). Funding for the
DPAC has been provided by national institutions, in particular, the institutions
participating in the Gaia Multilateral Agreement. The research leading to
these results has received funding from the ARC grant for Concerted Research
Actions, financed by the Wallonia-Brussels Federation. TRAPPIST is funded
by the Belgian Fund for Scientific Research (Fond National de la Recherche Scientifique, FNRS) under the grant PDR T.0120.21. TRAPPIST-North is a
project funded by the University of Liege (Belgium), in collaboration with
Cadi Ayyad University of Marrakech (Morocco). MG is F.R.S.-FNRS Research
Director and EJ is F.R.S.-FNRS Senior Research Associate. The postdoctoral
fellowship of KB is funded by F.R.S.-FNRS grant T.0109.20 and by the
Francqui Foundation. Based on data collected by the SPECULOOS-South
Observatory at the ESO Paranal Observatory in Chile.The ULiege’s contri-
bution to SPECULOOS has received funding from the European Research
Council under the European Union’s Seventh Framework Programme
(FP/2007-2013) (grant Agreement n◦ 336480/SPECULOOS), from the
Balzan Prize and Francqui Foundations, from the Belgian Scientific Research
Foundation (F.R.S.-FNRS; grant n◦ T.0109.20), from the University of Liege,
and from the ARC grant for Concerted Research Actions financed by the
Wallonia-Brussels Federation. This work is supported by a grant from the
Simons Foundation (PI Queloz, grant number 327127). This research is in
part funded by the European Union’s Horizon 2020 research and innovation
programme (grants agreements n◦ 803193/BEBOP), and from the Science
and Technology Facilities Council (STFC; grant n◦ ST/S00193X/1, and
ST/W000385/1). The material is based upon work supported by NASA under
award number 80GSFC21M0002. This publication benefits from the support
of the French Community of Belgium in the context of the FRIA Doctoral
Grant awarded to MT. E. D acknowledges support from the innovation and
research Horizon 2020 program in the context of the Marie Sklodowska-Curie
subvention 945298. This research has made use of the NASA Exoplanet
Archive, which is operated by the California Institute of Technology, under
contract with the National Aeronautics and Space Administration under the
Exoplanet Exploration Program. We acknowledge the use of public TESS data
from pipelines at the TESS Science Office and at the TESS Science Processing
Operations Center. Resources supporting this work were provided by the
NASA High-End Computing (HEC) Program through the NASA Advanced
Supercomputing (NAS) Division at Ames Research Center for the production
of the SPOC data products. This research was carried out in part at the Jet
Propulsion Laboratory, California Institute of Technology, under a contract
with the National Aeronautics and Space Administration (80NM0018D0004).
This research was supported by NASA Grant 18-2XRP18_2-0007 awarded to
DRC.Peer reviewe
A Practitioner's Toolkit for Insulin Motivation in Adults with Type 1 and Type 2 Diabetes Mellitus: Evidence-Based Recommendations from an International Expert Panel
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