Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Abigail L. Stevens"'
A NICER look at the state transitions of the black hole candidate MAXI J1535-571 during its reflares
Autor:
M. Loewenstein, M. Armas Padilla, V. A. Cúneo, K. Alabarta, Mariano Mendez, Peter Bult, Jeroen Homan, A. C. Fabian, Keith C. Gendreau, James F. Steiner, T. Muñoz-Darias, Arkadip Basak, Francesco Tombesi, Jorge Ariel Combi, Diego Altamirano, Zaven Arzoumanian, R. Remillard, Joseph Neilsen, Abigail L. Stevens, D. J. K. Buisson, Liang Zhang
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 496(2), 1001-1012. Oxford University Press
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y Técnicas
instacron:CONICET
The black hole candidate and X-ray binary MAXI J1535-571 was discovered in September 2017. During the decay of its discovery outburst, and before returning to quiescence, the source underwent at least four reflaring events, with peak luminosities of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d49f2df02d971d96dd8edc89aa6bedd
https://research.rug.nl/en/publications/3104eecf-e924-46f3-a43b-1ec224b48ef6
https://research.rug.nl/en/publications/3104eecf-e924-46f3-a43b-1ec224b48ef6
Autor:
Erin Kara, Dheeraj R. Pasham, Keith C. Gendreau, Arkadip Basak, Joe Bright, Zaven Arzoumanian, Phil Uttley, Diego Altamirano, Ronald A. Remillard, Edward M. Cackett, Tomaso Belloni, Rob Fender, Sara Motta, Jeroen Homan, Abigail L. Stevens, James F. Steiner
Publikováno v:
Astrophysical Journal Letters, 891(2):L29. IOP Publishing Ltd.
We present Neutron Star Interior Composition Explorer X-ray and Arcminute Microkelvin Imager Large Array radio observations of a rapid hard-to-soft state transition in the black hole X-ray transient MAXI J1820+070. During the transition from the hard
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d3e4aea46f8833dc0fa4794ab50594d
https://eprints.soton.ac.uk/439154/
https://eprints.soton.ac.uk/439154/
Autor:
Daniela Huppenkothen, Simone Migliari, Ricardo Valles Blanco, Matteo Bachetti, Himanshu Mishra, Haroon Rashid, O. Hammad, Abigail L. Stevens, Usman A. Khan, Evandro M. Ribeiro, Swapnil Sharma, Paul Balm
Publikováno v:
Astrophysical Journal, 881(1):39. IOP PUBLISHING LTD
This paper describes the design and implementation of Stingray, a library in Python built to perform time series analysis and related tasks on astronomical light curves. Its core functionality comprises a range of Fourier analysis techniques commonly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b090828bd47cd279d364dd2b5cb479fd
https://doi.org/10.3847/1538-4357/ab258d
https://doi.org/10.3847/1538-4357/ab258d
Autor:
Erin Kara, Zaven Arzoumanian, S. Eikenberry, Joseph Neilsen, Abigail L. Stevens, Edward M. Cackett, Ron Remillard, A. C. Fabian, Diego Altamirano, James F. Steiner, Teruaki Enoto, Phil Uttley, Keith C. Gendreau, Jeroen Homan
Publikováno v:
Nature, 565(7738), 198-201. Nature Publishing Group
The geometry of the accretion flow around stellar-mass black holes can change on timescales of days to months. When a black hole emerges from quiescence (that is, it "turns on" after accreting material from its companion) it has a very hard (high-ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6949b0963dad7325fca81b179a3f471
http://arxiv.org/abs/1901.03877
http://arxiv.org/abs/1901.03877
Autor:
Gaurava K. Jaisawal, Jérôme Chenevez, Jon M. Miller, Deepto Chakrabarty, David R. Ballantyne, Colleen A. Wilson-Hodge, Michael T. Wolff, Zaven Arzoumanian, Christian Malacaria, Diego Altamirano, Sachindra Naik, Abigail L. Stevens, Peter Kretschmar, Andrew C. Fabian, Renee M. Ludlam, Keith C. Gendreau, Sebastien Guillot, Felix Fürst
Publikováno v:
Jaisawal, G K, Wilson-Hodge, C A, Fabian, A C, Naik, S, Chakrabarty, D, Kretschmar, P, Ballantyne, D R, Ludlam, R M, Chenevez, J, Altamirano, D, Arzoumanian, Z, Fürst, F, Gendreau, K C, Guillot, S, Malacaria, C, Miller, J M, Stevens, A L & Wolff, M T 2019, ' An evolving broad iron line from the first Galactic ultraluminous X-ray pulsar Swift J0243.6+6124 ', Astrophysical Journal, vol. 885, no. 1, 18 . https://doi.org/10.3847/1538-4357/ab4595
Astrophys.J.
Astrophys.J., 2019, 885, pp.18. ⟨10.3847/1538-4357/ab4595⟩
The Astrophysical Journal
Astrophys.J.
Astrophys.J., 2019, 885, pp.18. ⟨10.3847/1538-4357/ab4595⟩
The Astrophysical Journal
We present a spectral study of the ultraluminous Be/X-ray transient pulsar Swift J0243.6+6124 using Neutron Star Interior Composition Explorer (NICER) observations during the system's 2017--2018 giant outburst. The 1.2--10~keV energy spectrum of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b9f13ff79a993993e27c478115310e70
https://orbit.dtu.dk/en/publications/c1cc654e-a7e4-4163-b83f-cf468ea4e535
https://orbit.dtu.dk/en/publications/c1cc654e-a7e4-4163-b83f-cf468ea4e535
Autor:
Matt Earnshaw, Manas Mangaonkar, Arthur Eigenbrot, Abhigyan Bose, Ankit Agrawal, Juan Camilo Buitrago-Casas, Thomas P. Robitaille, Brigitta Sipőcz, Rishabh Sharma, Yash Kothari, Jordan Ballew, Shresth Verma, Jack Ireland, Alex Hamilton, Ole Streicher, Sarthak Jain, Tiago M. D. Pereira, Yudhik Agrawal, John G Evans, David Pérez-Suárez, S. Dacie, Michael Charlton, Agneet Chatterjee, Russell J. Hewett, Samuel Bennett, Ambar Mehrotra, Steven Christe, Ishtyaq Habib, Daniel D'Avella, Florian Mayer, Sanjeev Dubey, Igor Babuschkin, Chloé Guennou, Carlos Molina, Punyaslok Pattnaik, Freek Verstringe, Jose Ivan Campos Rozo, Kaustubh Hiware, Deepankar Sharma, Shane A. Maloney, Tomas Meszaros, Tessa D. Wilkinson, Tannmay Yadav, N. Freij, Swapnil Sharma, W. T. Barnes, Mateo Inchaurrandieta, Sophie A. Murray, Emmanuel Arias, Andrew J. Leonard, Stuart Mumford, Harsh Mathur, Rajasekhar Reddy Mekala, Nicky Chorley, James Mason, Rishabh Mishra, Dhruv Goel, Juanjo Bazán, Goran Cetusic, Nicholas A. Murphy, Michael Malocha, Arseniy Kustov, Sanskar Modi, Shashank Srikanth, S. Zahniy, Vishnunarayan K, Himanshu, Jacob, Duygu Keşkek, Norbert G. Gyenge, Andrew Hill, Pritish Chakraborty, Daniel Williams, Jaylen Wimbish, Ankit Baruah, André Chicrala, Ankit Kumar, Michael Mueller, Airmansmith, Garrison Taylor, Rajul Srivastava, David Stansby, Adrian M. Price-Whelan, Asish Panda, Mickaël Schoentgen, Ruben De Visscher, Yasintoda, Yash Krishan, Quinn Arbolante, Matt Bates, Sourav Ghosh, Reid Gomillion, Nitin Choudhary, Simon Liedtke, Monica G. Bobra, Daniel Ryan, Bernhard M. Wiedemann, Fionnlagh Mackenzie Dover, Abigail L. Stevens, Erik M. Bray, Albert Y. Shih, Brandon Stone, Dominik Stańczak, Naman, Jongyeob Park, Gulshan Kumar, Joseph Letts, Priyank Lodha, Dumindu Buddhika, Sudarshan Konge, Ankit, Larry Manley, Trung Kien Dang, V. Keith Hughitt, Akramul Haque, Michael S. Kirk, Jamescalixto, Matthew Mendero, Benjamin Mampaey, Laura A. Hayes, Yash Jain, Andrew Inglis, Prateek Chanda, Yash Sharma, Kalpesh Krishna, Jai Ram Rideout
Publikováno v:
Journal of Open Source Software. 5:1832
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::410570729b4c07326fd3ce821a1a89f7
https://doi.org/10.21105/joss.01832
https://doi.org/10.21105/joss.01832
Autor:
Peter Bult, Joseph Neilsen, J. van den Eijnden, Adam Ingram, Abigail L. Stevens, Phil Uttley, James W. Kellogg, Zaven Arzoumanian, Diego Altamirano, Jonah Miller, K. Q. Ha, Erin Kara, Dheeraj R. Pasham, Renee M. Ludlam, Andrew C. Fabian, Jeroen Homan, Edward M. Cackett, James F. Steiner, Keith C. Gendreau, Ron Remillard
Publikováno v:
Astrophysical Journal Letters, 865(2):L15. IOP Publishing Ltd.
We present the discovery of a low-frequency $\approx 5.7$ Hz quasi-periodic oscillation (QPO) feature in observations of the black hole X-ray binary MAXI J1535-571 in its soft-intermediate state, obtained in September-October 2017 by the Neutron Star
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1475b98377ac73b5eae68f2d3492e95
http://ora.ox.ac.uk/objects/uuid:
http://ora.ox.ac.uk/objects/uuid:
Autor:
Abigail L. Stevens, Phil Uttley
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 460(3), 2796-2810. Oxford University Press
We present a new spectral-timing technique for phase-resolved spectroscopy and apply it to the low-frequency Type B quasi-periodic oscillation (QPO) from the black hole X-ray binary GX 339-4. We show that on the QPO time-scale the spectrum changes no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4343a424e0f00e6ad1ac5dfb4d87efaf
https://dare.uva.nl/personal/pure/en/publications/phaseresolved-spectroscopy-of-type-b-quasiperiodic-oscillations-in-gx-3394(83e56dfb-7a4f-498e-ae2e-35f2f1142744).html
https://dare.uva.nl/personal/pure/en/publications/phaseresolved-spectroscopy-of-type-b-quasiperiodic-oscillations-in-gx-3394(83e56dfb-7a4f-498e-ae2e-35f2f1142744).html
Publikováno v:
NASA Astrophysics Data System
Astrophysical Journal, 833(2):244. IOP Publishing Ltd.
Astrophysical Journal, 833(2):244. IOP Publishing Ltd.
The equation of state of cold supra-nuclear-density matter, such as in neutron stars, is an open question in astrophysics. A promising method for constraining the neutron star equation of state is modelling pulse profiles of thermonuclear X-ray burst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2b77ae8de4dd322396f29f48383e904
Fitting the thermal X-ray spectra of neutron stars (NSs) in quiescent X-ray binaries can constrain the masses and radii of NSs. The effect of undetected hot spots on the spectrum, and thus on the inferred NS mass and radius, has not yet been explored
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55e4ee695946a9ee3d888e42d8777e78