Search Results - "Gelfand, Joseph"

Emission-line velocity, metallicity, and extinction maps of the Large Magellanic Cloud by Lah, Philip, Colless, Matthew, D’Eugenio, Francesco, Groves, Brent, Gelfand, Joseph D

“…ABSTRACT We measure the properties of optical emission lines in multiple locations across the Large Magellanic Cloud (LMC) using the Australian National…”
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Dependence of the Radio Emission on the Eddington Ratio of Radio-quiet Quasars by Alhosani, Abdulla, Gelfand, Joseph D., Zaw, Ingyin, Laor, Ari, Behar, Ehud, Chen, Sina, Wrzosek, Ramon

“…Abstract Roughly 10% of quasars are “radio-loud,” producing copious radio emission in large jets. The origin of the low-level radio emission seen from the…”
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The radio emission in radio-quiet quasars: the VLBA perspective by Chen, Sina, Laor, Ari, Behar, Ehud, Baldi, Ranieri D, Gelfand, Joseph D

“…ABSTRACT The origin of the radio emission in radio-quiet quasars (RQQ) is not established yet. We present new VLBA observations at 1.6 and 4.9 GHz of 10 RQQ (9…”
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Discovery of GeV Gamma-Ray Emission from Pulsar Wind Nebula Kes 75 and PSR J1846–0258 by Straal, Samayra M., Gelfand, Joseph D., Eagle, Jordan L.

“…Abstract We report the detection of gamma-ray emission from pulsar wind nebula (PWN) Kes 75 and PSR J1846−0258. Through modeling the spectral energy…”
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Broadband X-Ray Spectroscopy of the Pulsar Wind Nebula in HESS J1640-465 by Abdelmaguid, Moaz, Gelfand, Joseph D., Gotthelf, Eric, Straal, Samayra

“…Abstract We present updated measurements of the X-ray properties of the pulsar wind nebula associated with the TeV γ -ray source HESS J1640-465 derived from…”
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A Dynamical Model for the Evolution of a Pulsar Wind Nebula Inside a Nonradiative Supernova Remnant by Gelfand, Joseph D, Slane, Patrick O, Zhang, Weiqun

“…A pulsar wind nebula (PWN) inside a supernova remnant provides a unique insight into the properties of the central neutron star, the relativistic wind powered…”
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A Massive Shell of Supernova-formed Dust in SNR G54.1+0.3 by Temim, Tea, Dwek, Eli, Arendt, Richard G., Borkowski, Kazimierz J., Reynolds, Stephen P., Slane, Patrick, Gelfand, Joseph D., Raymond, John C.

“…While theoretical models of dust condensation predict that most refractory elements produced in core-collapse supernovae (SNe) efficiently condense into dust,…”
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The Nonstandard Properties of a “Standard” PWN: Unveiling the Mysteries of PWN G21.5–0.9 Using Its IR and X-Ray Emission by Hattori, Soichiro, Straal, Samayra M., Zhang, Emily, Temim, Tea, Gelfand, Joseph D., Slane, Patrick O.

“…Abstract The evolution of a pulsar wind nebula (PWN) depends on properties of the progenitor star, supernova, and surrounding environment. As some of these…”
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Suppressing star formation in quiescent galaxies with supermassive black hole winds by Cheung, Edmond, Bundy, Kevin, Cappellari, Michele, Peirani, Sébastien, Rujopakarn, Wiphu, Westfall, Kyle, Yan, Renbin, Bershady, Matthew, Greene, Jenny E., Heckman, Timothy M., Drory, Niv, Law, David R., Masters, Karen L., Thomas, Daniel, Wake, David A., Weijmans, Anne-Marie, Rubin, Kate, Belfiore, Francesco, Vulcani, Benedetta, Chen, Yan-mei, Zhang, Kai, Gelfand, Joseph D., Bizyaev, Dmitry, Roman-Lopes, A., Schneider, Donald P.

“…In order for quiescent galaxies to maintain their low-to-non-existent star formation, there must be a mechanism to remove or heat gas that would otherwise cool…”
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Windy or Not: Radio Parsec-scale Evidence for a Broad-line Region Wind in Radio-quiet Quasars by Chen, Sina, Laor, Ari, Behar, Ehud, Baldi, Ranieri D., Gelfand, Joseph D., Kimball, Amy E., McHardy, Ian M., Orosz, Gabor, Paragi, Zsolt

“…Abstract Does a broad-line region (BLR) wind in radio-quiet (RQ) active galactic nuclei (AGN) extend to parsec scales and produce radio emission? We explore…”
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Hard X-Ray Observation and Multiwavelength Study of the PeVatron Candidate Pulsar Wind Nebula “Dragonfly” by Woo, Jooyun, An, Hongjun, Gelfand, Joseph D., Hailey, Charles J., Mori, Kaya, Mukherjee, Reshmi, Safi-Harb, Samar, Temim, Tea

“…Abstract We studied the PeVatron nature of the pulsar wind nebula (PWN) G75.2+0.1 (“Dragonfly”) as part of our NuSTAR observational campaign of energetic PWNe…”
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Probing the History of the Galaxy Assembly of the Counterrotating Disk Galaxy PGC 66551 by Katkov, Ivan Yu, Gasymov, Damir, Kniazev, Alexei Yu, Gelfand, Joseph D., Rubtsov, Evgenii V., Chilingarian, Igor V., Sil’chenko, Olga K.

“…Abstract Stellar counterrotation in disk galaxies directly relates to the complex phenomenon of the disk mass assembly believed to be driven by external…”
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The Impact of Low-luminosity AGNs on Their Host Galaxies: A Radio and Optical Investigation of the Kiloparsec-scale Outflow in MaNGA 1-166919 by Al Yazeedi, Aisha, Katkov, Ivan Yu, Gelfand, Joseph D., Wylezalek, Dominika, Zakamska, Nadia L., Liu, Weizhe

“…Abstract One way an active galactic nucleus (AGN) influences the evolution of their host galaxy is by generating a large-scale (kiloparsec-scale) outflow. The…”
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THE PROPERTIES OF THE PROGENITOR SUPERNOVA, PULSAR WIND, AND NEUTRON STAR INSIDE PWN G54.1+0.3 by Gelfand, Joseph D., Slane, Patrick O., Temim, Tea

“…ABSTRACT The evolution of a pulsar wind nebula (PWN) inside a supernova remnant (SNR) is sensitive to the properties of the central neutron star, pulsar wind,…”
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The origin of UV/optical emission in the black hole low-mass X-ray binary Swift J1753.5–0127 by Yang, Pengcheng, Zhang, Guobao, Russell, David M, Gelfand, Joseph D, Méndez, Mariano, Wang, Jiancheng, Lyu, Ming

“…ABSTRACT The emission from the accreting black holes (BHs) in low-mass X-ray binaries (LMXBs) covers a broad energy band from radio to X-rays. Studying the…”
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Relation between spectral changes and the presence of the lower kHz QPO in the neutron star low-mass X-ray binary 4U 1636−53 by Zhang, Guobao, Mendez, Mariano, Sanna, Andrea, Ribeiro, Evandro M, Gelfand, Joseph D

“…We fitted the 3-180 keV spectrum of all the observations of the neutron star low-mass X-ray binary 4U 1636-53 taken with the Rossi X-ray Timing Explorer using…”
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Fermi-LAT Gamma-Ray Emission Discovered from the Composite Supernova Remnant B0453-685 in the Large Magellanic Cloud by Eagle, Jordan, Castro, Daniel, Mahhov, Peter, Gelfand, Joseph, Kerr, Matthew, Slane, Patrick, Ballet, Jean, Acero, Fabio, Straal, Samayra, Ajello, Marco

“…Abstract We report the second extragalactic pulsar wind nebula (PWN) to be detected in the megaelectronvolt–gigaelectronvolt band by the Fermi-LAT, located…”
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JWST Constraints on the UV Luminosity Density at Cosmic Dawn: Implications for 21 cm Cosmology by Hassan, Sultan, Lovell, Christopher C., Madau, Piero, Huertas-Company, Marc, Somerville, Rachel S., Burkhart, Blakesley, Dixon, Keri L., Feldmann, Robert, Starkenburg, Tjitske K., Wu, John F., Jespersen, Christian Kragh, Gelfand, Joseph D., Bera, Ankita

“…Abstract An unprecedented array of new observational capabilities are starting to yield key constraints on models of the epoch of first light in the Universe…”
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Parkes Radio and NuSTAR X-Ray Observations of the Composite Supernova Remnant B0453–685 in the Large Magellanic Cloud by Eagle, Jordan, Hare, Jeremy, Hays, Elizabeth, Castro, Daniel, Gelfand, Joseph, Alnaqbi, Jwaher, Kerr, Matthew, Dai, Shi, Ballet, Jean, Acero, Fabio, Slane, Patrick, Ajello, Marco

“…Abstract Gamma-ray emission is observed coincident in position to the evolved, composite supernova remnant (SNR) B0453–685. Prior multiwavelength…”
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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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