Search Results - "Hessels, Jason"

Universality of free fall from the orbital motion of a pulsar in a stellar triple system by Archibald, Anne M., Gusinskaia, Nina V., Hessels, Jason W. T., Deller, Adam T., Kaplan, David L., Lorimer, Duncan R., Lynch, Ryan S., Ransom, Scott M., Stairs, Ingrid H.

“…Einstein’s theory of gravity—the general theory of relativity 1 —is based on the universality of free fall, which specifies that all objects accelerate…”
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Radio Pulsar/X-ray Binary Link by Archibald, Anne M, Stairs, Ingrid H, Ransom, Scott M, Kaspi, Victoria M, Kondratiev, Vladislav I, Lorimer, Duncan R, McLaughlin, Maura A, Boyles, Jason, Hessels, Jason W.T, Lynch, Ryan, van Leeuwen, Joeri, Roberts, Mallory S.E, Jenet, Frederick, Champion, David J, Rosen, Rachel, Barlow, Brad N, Dunlap, Bart H, Remillard, Ronald A

“…Radio pulsars with millisecond spin periods are thought to have been spun up by the transfer of matter and angular momentum from a low-mass companion star…”
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A Massive Pulsar in a Compact Relativistic Binary by Antoniadis, John, Freire, Paulo C. C., Wex, Norbert, Tauris, Thomas M., Lynch, Ryan S., van Kerkwijk, Marten H., Kramer, Michael, Bassa, Cees, Dhillon, Vik S., Driebe, Thomas, Hessels, Jason W. T., Kaspi, Victoria M., Kondratiev, Vladislav I., Langer, Norbert, Marsh, Thomas R., McLaughlin, Maura A., Pennucci, Timothy T., Ransom, Scott M., Stairs, Ingrid H., van Leeuwen, Joeri, Verbiest, Joris P. W., Whelan, David G.

“…Many physically motivated extensions to general relativity (GR) predict substantial deviations in the properties of spacetime surrounding massive neutron…”
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Using Long-term Millisecond Pulsar Timing to Obtain Physical Characteristics of the Bulge Globular Cluster Terzan 5 by Prager, Brian J., Ransom, Scott M., Freire, Paulo C. C., Hessels, Jason W. T., Stairs, Ingrid H., Arras, Phil, Cadelano, Mario

“…Over the past decade, the discovery of three unique stellar populations and a large number of confirmed pulsars within the globular cluster Terzan 5 has raised…”
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A Radio Pulsar Spinning at 716 Hz by Jason W. T. Hessels, Ransom, Scott M., Stairs, Ingrid H., Paulo C. C. Freire, Kaspi, Victoria M., Camilo, Fernando

“…We have discovered a 716-hertz eclipsing binary radio pulsar in the globular cluster Terzan 5 using the Green Bank Telescope. It is the fastest spinning…”
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TIMING OBSERVATIONS OF PSR J1023+0038 DURING A LOW-MASS X-RAY BINARY STATE by Jaodand, Amruta, Archibald, Anne M., Hessels, Jason W. T., Bogdanov, Slavko, D'Angelo, Caroline R., Patruno, Alessandro, Bassa, Cees, Deller, Adam T.

“…ABSTRACT Transitional millisecond pulsars (tMSPs) switch, on roughly multi-year timescales, between rotation-powered radio millisecond pulsar (RMSP) and…”
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Twenty-One Millisecond Pulsars in Terzan 5 Using the Green Bank Telescope by Ransom, Scott M., Jason W. T. Hessels, Stairs, Ingrid H., Paulo C. C. Freire, Camilo, Fernando, Kaspi, Victoria M., Kaplan, David L.

“…We have identified 21 millisecond pulsars (MSPs) in globular cluster Terzan 5 by using the Green Bank Telescope, bringing the total of known MSPs in Terzan 5…”
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X-Ray and Radio Observations of the Magnetar SGR J1935+2154 during Its 2014, 2015, and 2016 Outbursts by Younes, George, Kouveliotou, Chryssa, Jaodand, Amruta, Baring, Matthew G., van der Horst, Alexander J., Harding, Alice K., Hessels, Jason W. T., Gehrels, Neil, Gill, Ramandeep, Huppenkothen, Daniela, Granot, Jonathan, Gö ü, Ersin, Lin, Lin

“…We analyzed broadband X-ray and radio data of the magnetar SGR J1935+2154 taken in the aftermath of its 2014, 2015, and 2016 outbursts. The source soft X-ray…”
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Eight New Millisecond Pulsars in NGC 6440 and NGC 6441 by Freire, Paulo C. C, Ransom, Scott M, Bégin, Steve, Stairs, Ingrid H, Hessels, Jason W. T, Frey, Lucille H, Camilo, Fernando

“…Motivated by the recent discovery of 30 new millisecond pulsars in Terzan 5, made using the Green Bank Telescope's S-band receiver and the Pulsar Spigot…”
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Simultaneous Chandra and VLA Observations of the Transitional Millisecond Pulsar PSR J1023+0038: Anti-correlated X-Ray and Radio Variability by Bogdanov, Slavko, Deller, Adam T., Miller-Jones, James C. A., Archibald, Anne M., Hessels, Jason W. T., Jaodand, Amruta, Patruno, Alessandro, Bassa, Cees, D'Angelo, Caroline

“…We present coordinated Chandra X-ray Observatory and Karl G. Jansky Very Large Array observations of the transitional millisecond pulsar PSR J1023+0038 in its…”
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COORDINATED X-RAY, ULTRAVIOLET, OPTICAL, AND RADIO OBSERVATIONS OF THE PSR J1023+0038 SYSTEM IN A LOW-MASS X-RAY BINARY STATE by Bogdanov, Slavko, Archibald, Anne M., Bassa, Cees, Deller, Adam T., Halpern, Jules P., Heald, George, Hessels, Jason W. T., Janssen, Gemma H., Lyne, Andrew G., Moldón, Javier, Paragi, Zsolt, Patruno, Alessandro, Perera, Benetge B. P., Stappers, Ben W., Tendulkar, Shriharsh P., D'Angelo, Caroline R., Wijnands, Rudy

“…ABSTRACT The PSR J1023+0038 binary system hosts a neutron star and a low-mass, main-sequence-like star. It switches on year timescales between states as an…”
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Radio Pulse Search and X-Ray Monitoring of SAX J1808.4−3658: What Causes Its Orbital Evolution? by Patruno, Alessandro, Jaodand, Amruta, Kuiper, Lucien, Bult, Peter, Hessels, Jason W. T., Knigge, Christian, King, Andrew R., Wijnands, Rudy, van der Klis, Michiel

“…The accreting millisecond X-ray pulsar SAX J1808.4−3658 shows a peculiar orbital evolution that proceeds at a very fast pace. It is important to identify the…”
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X-Ray and Optical Studies of the Redback System PSR J2129-0429 by Al Noori, Hind, Roberts, Mallory S. E., Torres, Rodrigo A., McLaughlin, Maura A., Gentile, Peter A., Hessels, Jason W. T., Ray, Paul S., Kerr, Matthew, Breton, Rene P.

“…PSR J2129−0429 is a 7.62 ms eclipsing millisecond pulsar (MSP) with a non-degenerate binary companion star that is likely in an early stage of the recycling…”
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A Deep Chandra X-Ray Observatory Study of the Millisecond Pulsar Population in the Globular Cluster Terzan 5 by Bogdanov, Slavko, Bahramian, Arash, Heinke, Craig O., Freire, Paulo C. C., Hessels, Jason W. T., Ransom, Scott M., Stairs, Ingrid H.

“…We present an analysis of 745.8 ks of archival Chandra X-Ray Observatory Advanced CCD Imaging Spectrometer data accumulated between 2000 and 2016 of the…”
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Dense forests of microshots in bursts from FRB 20220912A by Hewitt, Danté M, Hessels, Jason W T, Ould-Boukattine, Omar S, Chawla, Pragya, Cognard, Ismaël, Gopinath, Akshatha, Guillemot, Lucas, Huppenkothen, Daniela, Nimmo, Kenzie, Snelders, Mark P

“…ABSTRACT We report on exceptionally bright bursts (>400 Jy ms) detected from the repeating fast radio burst source FRB 20220912A using the Nançay radio…”
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Constraints on the Persistent Radio Source Associated with FRB 20190520B Using the European VLBI Network by Bhandari, Shivani, Marcote, Benito, Sridhar, Navin, Eftekhari, Tarraneh, Hessels, Jason W. T., Hewitt, Danté M., Kirsten, Franz, Ould-Boukattine, Omar S., Paragi, Zsolt, Snelders, Mark P.

“…We present very long baseline interferometry (VLBI) observations of a continuum radio source potentially associated with the fast radio burst source FRB…”
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X-RAY OBSERVATIONS OF XSS J12270-4859 IN A NEW LOW STATE: A TRANSFORMATION TO A DISK-FREE ROTATION-POWERED PULSAR BINARY by Bogdanov, Slavko, Patruno, Alessandro, Archibald, Anne M, Bassa, Cees, Hessels, Jason W T, Janssen, Gemma H, Stappers, Ben W

“…We present XMM-Newton and Chandra observations of the low-mass X-ray binary XSS J12270-4859, which experienced a dramatic decline in optical/X-ray brightness…”
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A Nançay Radio Telescope study of the hyperactive repeating FRB 20220912A by Konijn, David C, Hewitt, Danté M, Hessels, Jason W T, Cognard, Ismaël, Huang, Jeff, Ould-Boukattine, Omar S, Chawla, Pragya, Nimmo, Kenzie, Snelders, Mark P, Gopinath, Akshatha, Manaswini, Ninisha

“…ABSTRACT The repeating fast radio burst source FRB 20220912A was remarkably active in the weeks after its discovery. Here, we report 696 bursts detected with…”
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X-ray Variability and Evidence for Pulsations from the Unique Radio Pulsar/X-ray Binary Transition Object FIRST J102347.6+003841 by Archibald, Anne M, Kaspi, Victoria M, Bogdanov, Slavko, Hessels, Jason W. T, Stairs, Ingrid H, Ransom, Scott M, McLaughlin, Maura A

“…We report on observations of the unusual neutron-star binary system FIRST J102347.6+003841 carried out using the XMM-Newton satellite. This system consists of…”
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Investigating Galactic Supernova Remnant Candidates Using LOFAR by Driessen, Laura N., Dom ek, Vladimír, Vink, Jacco, Hessels, Jason W. T., Arias, Maria, Gelfand, Joseph D.

“…We investigate six supernova remnant (SNR) candidates-G51.21+0.11, G52.37-0.70, G53.07+0.49, G53.41+0.03, G53.84-0.75, and the possible shell around…”
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