Search Results - "Bachetti, Matteo"

Stingray: A Modern Python Library for Spectral Timing by Huppenkothen, Daniela, Bachetti, Matteo, Stevens, Abigail L., Migliari, Simone, Balm, Paul, Hammad, Omar, Khan, Usman Mahmood, Mishra, Himanshu, Rashid, Haroon, Sharma, Swapnil, Ribeiro, Evandro Martinez, Blanco, Ricardo Valles

“…This paper describes the design and implementation of stingray, a library in Python built to perform time series analysis and related tasks on astronomical…”
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PINT: A Modern Software Package for Pulsar Timing by Luo, Jing, Ransom, Scott, Demorest, Paul, Ray, Paul S., Archibald, Anne, Kerr, Matthew, Jennings, Ross J., Bachetti, Matteo, van Haasteren, Rutger, Champagne, Chloe A., Colen, Jonathan, Phillips, Camryn, Zimmerman, Josef, Stovall, Kevin, Lam, Michael T., Jenet, Fredrick A.

“…Abstract Over the past few decades, the measurement precision of some pulsar timing experiments has advanced from ∼10 μ s to ∼10 ns, revealing many subtle…”
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SPECTRAL AND TEMPORAL PROPERTIES OF THE ULTRA-LUMINOUS X-RAY PULSAR IN M82 FROM 15 YEARS OF CHANDRA OBSERVATIONS AND ANALYSIS OF THE PULSED EMISSION USING NuSTAR by Brightman, Murray, Harrison, Fiona, Walton, Dominic J., Fuerst, Felix, Hornschemeier, Ann, Zezas, Andreas, Bachetti, Matteo, Grefenstette, Brian, Ptak, Andrew, Tendulkar, Shriharsh, Yukita, Mihoko

“…ABSTRACT The recent discovery by Bachetti et al. of a pulsar in M82 that can reach luminosities of up to 1040 erg s−1, a factor of ∼100 times the Eddington…”
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An Algorithm to Calibrate and Correct the Response to Unpolarized Radiation of the X-Ray Polarimeter Onboard IXPE by Rankin, John, Muleri, Fabio, Tennant, Allyn F., Bachetti, Matteo, Costa, Enrico, Marco, Alessandro Di, Fabiani, Sergio, La Monaca, Fabio, Soffitta, Paolo, Tobia, Antonino, Trois, Alessio, Xie, Fei, Baldini, Luca, Di Lalla, Niccolò, Manfreda, Alberto, O’Dell, Stephen L., Perri, Matteo, Puccetti, Simonetta, Ramsey, Brian D., Sgrò, Carmelo, Weisskopf, Martin C.

“…Abstract The Gas Pixel Detector (GPD) is an X-ray polarimeter to fly onboard IXPE and other missions. To correctly measure the source polarization, the…”
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All at Once: Transient Pulsations, Spin-down, and a Glitch from the Pulsating Ultraluminous X-Ray Source M82 X-2 by Bachetti, Matteo, Maccarone, Thomas J., Brightman, Murray, Brumback, McKinley C., Fürst, Felix, Harrison, Fiona A., Heida, Marianne, Israel, Gian Luca, Middleton, Matthew J., Tomsick, John A., Webb, Natalie A., Walton, Dominic J.

“…The first pulsating ultraluminous X-ray source (PULX) to be identified is M82 X-2. After the discovery in 2014, NuSTAR observed the M82 field 15 times…”
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Spectral and Timing Analysis of NuSTAR and Swift/XRT Observations of the X-Ray Transient MAXI J0637–430 by Lazar, Hadar, Tomsick, John A., Pike, Sean N., Bachetti, Matteo, Buisson, Douglas J. K., Connors, Riley M. T., Fabian, Andrew C., Fuerst, Felix, García, Javier A., Hare, Jeremy, Jiang, Jiachen, Shaw, Aarran W., Walton, Dominic J.

“…Abstract We present results for the first observed outburst from the transient X-ray binary source MAXI J0637–430. This study is based on eight observations…”
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A Weighted Analysis to Improve the X-Ray Polarization Sensitivity of the Imaging X-ray Polarimetry Explorer by Di Marco, Alessandro, Costa, Enrico, Muleri, Fabio, Soffitta, Paolo, Fabiani, Sergio, La Monaca, Fabio, Rankin, John, Xie, Fei, Bachetti, Matteo, Baldini, Luca, Baumgartner, Wayne, Bellazzini, Ronaldo, Brez, Alessandro, Castellano, Simone, Del Monte, Ettore, Di Lalla, Niccolò, Ferrazzoli, Riccardo, Latronico, Luca, Maldera, Simone, Manfreda, Alberto, O’Dell, Stephen L., Perri, Matteo, Pesce-Rollins, Melissa, Puccetti, Simonetta, Ramsey, Brian D., Ratheesh, Ajay, Sgrò, Carmelo, Spandre, Gloria, Tennant, Allyn F., Tobia, Antonino, Trois, Alessio, Weisskopf, Martin C.

“…Abstract Imaging X-ray Polarimetry Explorer (IXPE) is a Small Explorer mission that was launched at the end of 2021 to measure the polarization of X-ray…”
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Return to the Forgotten Ultraluminous X-Ray Source: A Broadband NICER+NuSTAR Study of NGC 4190 ULX-1 by Earnshaw, Hannah P., Bachetti, Matteo, Brightman, Murray, Fürst, Felix, Harrison, Fiona A., Middleton, Matthew, Ludlam, Renee, Pike, Sean N., Stern, Daniel, Walton, Dominic J.

“…We observed the nearby and relatively understudied ultraluminous X-ray source (ULX) NGC 4190 ULX-1 jointly with Neutron Star Interior Composition Explorer…”
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Timing Calibration of the NuSTAR X-Ray Telescope by Bachetti, Matteo, Markwardt, Craig B., Grefenstette, Brian W., Gotthelf, Eric V., Kuiper, Lucien, Barret, Didier, Cook, W. Rick, Davis, Andrew, Fürst, Felix, Forster, Karl, Harrison, Fiona A., Madsen, Kristin K., Miyasaka, Hiromasa, Roberts, Bryce, Tomsick, John A., Walton, Dominic J.

“…The Nuclear Spectroscopic Telescope Array (NuSTAR) mission is the first focusing X-ray telescope in the hard X-ray (3-79 keV) band. Among the phenomena that…”
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MAXI and NuSTAR Observations of the Faint X-Ray Transient MAXI J1848-015 in the GLIMPSE-C01 Cluster by Pike, Sean N., Negoro, Hitoshi, Tomsick, John A., Bachetti, Matteo, Brumback, McKinley, Connors, Riley M. T., García, Javier A., Grefenstette, Brian, Hare, Jeremy, Harrison, Fiona A., Jaodand, Amruta, Ludlam, R. M., Mastroserio, Guglielmo, Mihara, Tatehiro, Shidatsu, Megumi, Sugizaki, Mutsumi, Takagi, Ryohei

“…Abstract We present the results of Monitor of All-sky X-ray Image (MAXI) monitoring and two Nuclear Spectroscopic Telescope Array (NuSTAR) observations of the…”
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Orbital Decay in M82 X-2 by Bachetti, Matteo, Heida, Marianne, Maccarone, Thomas, Huppenkothen, Daniela, Israel, Gian Luca, Barret, Didier, Brightman, Murray, Brumback, McKinley, Earnshaw, Hannah P., Forster, Karl, Fürst, Felix, Grefenstette, Brian W., Harrison, Fiona A., Jaodand, Amruta D., Madsen, Kristin K., Middleton, Matthew, Pike, Sean N., Pilia, Maura, Poutanen, Juri, Stern, Daniel, Tomsick, John A., Walton, Dominic J., Webb, Natalie, Wilms, Jörn

“…Abstract M82 X-2 is the first pulsating ultraluminous X-ray source discovered. The luminosity of these extreme pulsars, if isotropic, implies an extreme mass…”
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The Slowest Spinning X-Ray Pulsar in an Extragalactic Globular Cluster by Zolotukhin, Ivan Yu, Bachetti, Matteo, Sartore, Nicola, Chilingarian, Igor V., Webb, Natalie A.

“…Neutron stars are thought to be born rapidly rotating and then exhibit a phase of rotation-powered pulsations as they slow down to 1-10 s periods. The…”
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PINT: Maximum-likelihood Estimation of Pulsar Timing Noise Parameters by Susobhanan, Abhimanyu, Kaplan, David L., Archibald, Anne M., Luo, Jing, Ray, Paul S., Pennucci, Timothy T., Ransom, Scott M., Agazie, Gabriella, Fiore, William, Larsen, Bjorn, O’Neill, Patrick, van Haasteren, Rutger, Anumarlapudi, Akash, Bachetti, Matteo, Bhakta, Deven, Champagne, Chloe A., Cromartie, H. Thankful, Demorest, Paul B., Jennings, Ross J., Kerr, Matthew, Levina, Sasha, McEwen, Alexander, Shapiro-Albert, Brent J., Swiggum, Joseph K.

“…PINT is a pure-Python framework for high-precision pulsar timing developed on top of widely used and well-tested Python libraries, supporting both interactive…”
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Equalizing the Pixel Response of the Imaging Photoelectric Polarimeter Onboard the IXPE Mission by Rankin, John, Muleri, Fabio, Di Marco, Alessandro, Fabiani, Sergio, La Monaca, Fabio, Soffitta, Paolo, Bachetti, Matteo, Baldini, Luca, Costa, Enrico, Di Lalla, Niccolò, Manfreda, Alberto, O’Dell, Stephen L., Perri, Matteo, Puccetti, Simonetta, Ramsey, Brian D., Sgrò, Carmelo, Tennant, Allyn F., Tobia, Antonino, Trois, Alessio, Weisskopf, Martin C., Xie, Fei

“…Abstract The Gas Pixel Detector is a gas detector, sensitive to the polarization of X-rays, currently flying onboard the Imaging X-ray Polarimetry Explorer…”
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The high energy X-ray probe: resolved X-ray populations in extragalactic environments by Lehmer, Bret D., Garofali, Kristen, Binder, Breanna A., Fornasini, Francesca, Vulic, Neven, Zezas, Andreas, Hornschemeier, Ann, Lazzarini, Margaret, Moon, Hannah, Venters, Toni, Wik, Daniel, Yukita, Mihoko, Bachetti, Matteo, García, Javier A., Grefenstette, Brian, Madsen, Kristin, Mori, Kaya, Stern, Daniel

“…We construct simulated galaxy data sets based on the High Energy X-ray Probe (HEX-P) mission concept to demonstrate the significant advances in galaxy science…”
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The high energy X-ray probe (HEX-P): studying extreme accretion with ultraluminous X-ray sources by Bachetti, Matteo, Middleton, Matthew J., Pinto, Ciro, Gúrpide, Andrés, Walton, Dominic J., Brightman, Murray, Lehmer, Bret, Roberts, Timothy P., Vasilopoulos, Georgios, Alford, Jason, Amato, Roberta, Ambrosi, Elena, Dai, Lixin, Earnshaw, Hannah P., El Byad, Hamza, García, Javier A., Luca Israel, Gian, Jaodand, Amruta, Madsen, Kristin, Maitra, Chandreyee, Mandel, Shifra, Mori, Kaya, Pintore, Fabio, Ohsuga, Ken, Pilia, Maura, Stern, Daniel, Younes, George, Wolter, Anna

“…Introduction: Ultraluminous X-ray sources (ULXs) represent an extreme class of accreting compact objects: from the identification of some of the accretors as…”
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The high energy X-ray probe (HEX-P): Resolving the nature of Sgr A flares, compact object binaries and diffuse X-ray emission in the Galactic center and beyond by Mori, Kaya, Ponti, Gabriele, Bachetti, Matteo, Bodaghee, Arash, Grindlay, Jonathan, Hong, Jaesub, Krivonos, Roman, Kuznetsova, Ekaterina, Mandel, Shifra, Rodriguez, Antonio, Stel, Giovanni, Zhang, Shuo, Bao, Tong, Bauer, Franz, Clavel, Maïca, Coughenour, Benjamin, García, Javier A., Gerber, Julian, Grefenstette, Brian, Jaodand, Amruta, Lehmer, Bret, Madsen, Kristin, Nynka, Melania, Predehl, Peter, Salcedo, Ciro, Stern, Daniel, Tomsick, John

“…HEX-P is a probe-class mission concept that will combine high spatial resolution X-ray imaging ( < 1 0 ″ FWHM) and broad spectral coverage (0.2–80 keV) with an…”
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A multi-wavelength pipeline for pulsar searches by Pilia, Maura, Trois, Alessio, Bachetti, Matteo, Pellizzoni, Alberto, Atzeni, Giuseppe, Egron, Elise, Iacolina, Maria Noemi, Loru, Sara, Poddighe, Antonio, Vacca, Valentina

“…Pulsar studies in the recent years have shown, more than others, to have benefited from a multi-wavelength approach. The INAF-Astronomical Observatory in…”
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Accurate X-ray timing in the presence of systematic biases with simulation-based inference by Huppenkothen, Daniela, Bachetti, Matteo

“…ABSTRACT Because many of our X-ray telescopes are optimized towards observing faint sources, observations of bright sources like X-ray binaries in outburst are…”
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Hard X-Ray Flares and Spectral Variability in NGC 4395 ULX1 by Ghosh, Tanuman, Rana, Vikram, Bachetti, Matteo

“…Abstract We report the detection of flaring events in NGC 4395 ULX1, a nearby ultraluminous X-ray source (ULX), for the first time, using recent XMM-Newton…”
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