Search Results - "Shara, Michael M."

Eclipses during the 2010 Eruption of the Recurrent Nova U Scorpii by Schaefer, Bradley E, Pagnotta, Ashley, LaCluyze, Aaron P, Reichart, Daniel E, Ivarsen, Kevin M, Haislip, Joshua B, Nysewander, Melissa C, Moore, Justin P, Oksanen, Arto, Worters, Hannah L, Sefako, Ramotholo R, Mentz, Jaco, Dvorak, Shawn, Gomez, Tomas, Harris, Barbara G, Henden, Arne A, Tan, Thiam Guan, Templeton, Matthew, Allen, W. H, Monard, Berto, Rea, Robert D, Roberts, George, Stein, William, Maehara, Hiroyuki, Richards, Thomas, Stockdale, Chris, Krajci, Tom, Sjoberg, George, McCormick, Jennie, Revnivtsev, Mikhail, Molkov, Sergei, Suleimanov, Valery, Darnley, Matthew J, Bode, Michael F, Handler, Gerald, Lepine, Sebastien, Shara, Michael M

“…The eruption of the recurrent nova U Scorpii on 2010 January 28 is now the all-time best observed nova event. We report 36,776 magnitudes throughout its 67 day…”
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Possible Detection of the Progenitor of the Type II Supernova SN 2023ixf by Pledger, Joanne L, Shara, Michael M

“…Stellar evolution theory predicts multiple pathways to the explosive deaths of stars as supernovae. Locating and characterizing the progenitors of well-studied…”
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The Massive CO White Dwarf in the Symbiotic Recurrent Nova RS Ophiuchi by Miko ajewska, Joanna, Shara, Michael M.

“…If accreting white dwarfs (WDs) in binary systems are to produce type Ia supernovae (SNe Ia), they must grow to nearly the Chandrasekhar mass and ignite carbon…”
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DYNAMICAL INTERACTIONS MAKE HOT JUPITERS IN OPEN STAR CLUSTERS by Shara, Michael M., Hurley, Jarrod R., Mardling, Rosemary A.

“…ABSTRACT Explaining the origin and evolution of exoplanetary hot Jupiters remains a significant challenge. One possible mechanism for the production of hot…”
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A 9 Month Hubble Space Telescope Near-UV Survey of M87. II. A Strongly Enhanced Nova Rate near the Jet of M87 by Lessing, Alec M., Shara, Michael M., Hounsell, Rebekah, Mandel, Shifra, Feder, Nava, Sparks, William

“…The 135 classical novae that we have discovered in M87 with two Hubble Space Telescope imaging surveys appear to be strongly concentrated along that galaxy’s…”
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On the origins of enigmatic stellar populations in Local Group galactic nuclei by Leigh, Nathan WC, Antonini, Fabio, Stone, Nicholas C, Shara, Michael M, Merritt, David

“…We consider the origins of enigmatic stellar populations in four Local Group galactic nuclei, specifically the Milky Way, M31, M32 and M33. These are centrally…”
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Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate by Iłkiewicz, Krystian, Mikołajewska, Joanna, Shara, Michael M., Faherty, Jacqueline K., Scaringi, Simone

“…RX Pup is a symbiotic binary that experienced a nova outburst in the 1970s. Here we report a discovery of a ∼1300 yr old nova shell around the system and a…”
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HST/COS Far-ultraviolet Spectroscopic Analysis of U Geminorum Following a Wide Outburst by Godon, Patrick, Shara, Michael M., Sion, Edward M., Zurek, David

“…We used the Cosmic Origins Spectrograph (COS) on the Hubble Space Telescope ( HST ) to obtain a series of four far-ultraviolet (FUV; 915–2148 Å) spectroscopic…”
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A comparison between SALT/SAAO observations and kilonova models for AT 2017gfo: the first electromagnetic counterpart of a gravitational wave transient − GW170817 by Buckley, David A H, Andreoni, Igor, Barway, Sudhanshu, Cooke, Jeff, Crawford, Steven M, Gorbovskoy, Evgeny, Gromadzki, Mariusz, Lipunov, Vladimir, Mao, Jirong, Potter, Stephen B, Pretorius, Magaretha L, Pritchard, Tyler A, Romero-Colmenero, Encarni, Shara, Michael M, Väisänen, Petri, Williams, Ted B

“…Abstract We report on SALT low-resolution optical spectroscopy and optical/IR photometry undertaken with other SAAO telescopes (MASTER-SAAO and IRSF) of the…”
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A Hubble Space Telescope Survey for Novae in M87. II. Snuffing out the Maximum Magnitude–Rate of Decline Relation for Novae as a Non-standard Candle, and a Prediction of the Existence of Ultrafast Novae by Shara, Michael M., Doyle, Trisha, Lauer, Tod R., Zurek, David, Baltz, Edward A., Kovetz, Attay, Madrid, Juan P., Mikołajewska, Joanna, Neill, J. D., Prialnik, Dina, Welch, D. L., Yaron, Ofer

“…The extensive grid of numerical simulations of nova eruptions from the work of Yaron et al. first predicted that some classical novae might significantly…”
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Exclusion of a luminous red giant as a companion star to the progenitor of supernova SN 2011fe by Li, Weidong, Bloom, Joshua S., Podsiadlowski, Philipp, Miller, Adam A., Cenko, S. Bradley, Jha, Saurabh W., Sullivan, Mark, Howell, D. Andrew, Nugent, Peter E., Butler, Nathaniel R., Ofek, Eran O., Kasliwal, Mansi M., Richards, Joseph W., Stockton, Alan, Shih, Hsin-Yi, Bildsten, Lars, Shara, Michael M., Bibby, Joanne, Filippenko, Alexei V., Ganeshalingam, Mohan, Silverman, Jeffrey M., Kulkarni, S. R., Law, Nicholas M., Poznanski, Dovi, Quimby, Robert M., McCully, Curtis, Patel, Brandon, Maguire, Kate, Shen, Ken J.

“…Archival images of the progenitor system of supernova SN 2011fe are so sensitive that the presence of luminous red giants or most helium stars is directly…”
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Introducing the Condor Array Telescope. I. Motivation, Configuration, and Performance by Lanzetta, Kenneth M., Gromoll, Stefan, Shara, Michael M., Berg, Stephen, Valls-Gabaud, David, Walter, Frederick M., Webb, John K.

“…The “Condor Array Telescope” or “Condor” is a high-performance “array telescope” comprised of six apochromatic refracting telescopes of objective diameter 180…”
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The chaotic four-body problem in Newtonian gravity– I. Identical point-particles by Leigh, Nathan WC, Stone, Nicholas C, Geller, Aaron M, Shara, Michael M, Muddu, Harsha, Solano-Oropeza, Diana, Thomas, Yancey

“…In this paper, we study the chaotic four-body problem in Newtonian gravity. Assuming point particles and total encounter energies ≤0, the problem has three…”
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A 9 Month Hubble Space Telescope Near-UV Survey of M87. I. Light and Color Curves of 94 Novae, and a Redetermination of the Nova Rate by Shara, Michael M., Lessing, Alec M., Hounsell, Rebekah, Mandel, Shifra, Zurek, David, Darnley, Matthew J., Graur, Or, Hillman, Yael, Meyer, Eileen T., Mikolajewska, Joanna, Neill, James D., Prialnik, Dina, Sparks, William

“…M87 has been monitored with a cadence of 5 days over a span of 9 months through the near-ultraviolet (NUV; F275W) and optical (F606W) filters of the Wide Field…”
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Revised Metallicity Classes for Low-Mass Stars: Dwarfs (dM), Subdwarfs (sdM), Extreme Subdwarfs (esdM), and Ultrasubdwarfs (usdM) by Lépine, Sébastien, Rich, R. Michael, Shara, Michael M

“…The current classification system of M stars on the main sequence distinguishes three metallicity classes (dwarfs: dM; subdwarfs: sdM; and extreme subdwarfs:…”
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COMPARING THE WHITE DWARF COOLING SEQUENCES IN 47 Tuc AND NGC 6397 by Richer, Harvey B, GOLDSBURY, RYAN, Heyl, Jeremy, Hurley, Jarrod, Dotter, Aaron, Kalirai, Jason S, Woodley, Kristin A, Fahlman, Gregory G, Rich, R Michael, Shara, Michael M

“…Using deep Hubble Space Telescope imaging, color-magnitude diagrams are constructed for the globular clusters 47 Tuc and NGC 6397. As expected, because of its…”
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The Masses and Accretion Rates of White Dwarfs in Classical and Recurrent Novae by Shara, Michael M., Prialnik, Dina, Hillman, Yael, Kovetz, Attay

“…Models have long predicted that the frequency-averaged masses of white dwarfs (WDs) in Galactic classical novae are twice as large as those of field WDs. Only…”
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White dwarf–main sequence star collisions from wide triples in the field by Michaely, Erez, Shara, Michael M

“…ABSTRACT Multiple star systems interact strongly with galactic field stars when the outer semi-major axis of a triple or multiple star is >103 AU. Stable…”
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The White Dwarf Cooling Sequence of the Globular Cluster Messier 4 by Hansen, Brad M. S, Brewer, James, Fahlman, Greg G, Gibson, Brad K, Ibata, Rodrigo, Limongi, Marco, Rich, R. Michael, Richer, Harvey B, Shara, Michael M, Stetson, Peter B

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Novae in M51: a new, much higher rate from multi-epoch HST data by Mandel, Shifra, Shara, Michael M, Zurek, David, Conroy, Charlie, van Dokkum, Pieter

“…Accurate determination of the rates of nova eruptions in different kinds of galaxies gives us strong constraints on those galaxies’ underlying white dwarf and…”
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