Search Results - "Kollmeier, Juna A."

Evidence for Cocoon Emission from the Early Light Curve of SSS17a by Piro, Anthony L., Kollmeier, Juna A.

“…Swope Supernova Survey 2017a (SSS17a) was discovered as the first optical counterpart to the gravitational wave event GW170817. Although its light curve on the…”
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GW150914: spin-based constraints on the merger time of the progenitor system by Kushnir, Doron, Zaldarriaga, Matias, Kollmeier, Juna A., Waldman, Roni

“…We explore the implications of the observed low spin of GW150914 within the context of stellar astrophysics and progenitor models. We conclude that many of the…”
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THE COS-DWARFS SURVEY: THE CARBON RESERVOIR AROUND SUB- L GALAXIES by BORDOLOI, RONGMON, Tumlinson, Jason, Werk, Jessica K, Oppenheimer, Benjamin D, Peeples, Molly S, Prochaska, J Xavier, Tripp, Todd M, Katz, Neal, Dave, Romeel, Fox, Andrew J, Thom, Christopher, d, Amanda Brady, Weinberg, David H, Burchett, Joseph N, Kollmeier, Juna A

“…We report new observations of circumgalactic gas from the COS-Dwarfs survey, a systematic investigation of the gaseous halos around 43 low-mass z [< or =,…”
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ULTRAHIGH-ENERGY COSMIC RAYS FROM THE “EN CAUL” BIRTH OF MAGNETARS by Piro, Anthony L, Kollmeier, Juna A

“…ABSTRACT Rapidly spinning magnetars can potentially form through the accretion induced collapse of a white dwarf or by neutron star (NS) mergers if the…”
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Feedback and recycled wind accretion: assembling the z= 0 galaxy mass function by Oppenheimer, Benjamin D., Davé, Romeel, Kereš, Dušan, Fardal, Mark, Katz, Neal, Kollmeier, Juna A., Weinberg, David H.

“…We analyse cosmological hydrodynamic simulations that include theoretically and observationally motivated prescriptions for galactic outflows. If these…”
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THE CARNEGIE-CHICAGO HUBBLE PROGRAM. I. AN INDEPENDENT APPROACH TO THE EXTRAGALACTIC DISTANCE SCALE USING ONLY POPULATION II DISTANCE INDICATORS by Beaton, Rachael L., Freedman, Wendy L., Madore, Barry F., Bono, Giuseppe, Carlson, Erika K., Clementini, Gisella, Durbin, Meredith J., Garofalo, Alessia, Hatt, Dylan, Jang, In Sung, Kollmeier, Juna A., Lee, Myung Gyoon, Monson, Andrew J., Rich, Jeffrey A., Scowcroft, Victoria, Seibert, Mark, Sturch, Laura, Yang, Soung-Chul

“…ABSTRACT We present an overview of the Carnegie-Chicago Hubble Program, an ongoing program to obtain a 3% measurement of the Hubble constant ( H 0 ) using…”
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Baryon cycling in the low-redshift circumgalactic medium: a comparison of simulations to the COS-Halos survey by Ford, Amanda Brady, Werk, Jessica K., Davé, Romeel, Tumlinson, Jason, Bordoloi, Rongmon, Katz, Neal, Kollmeier, Juna A., Oppenheimer, Benjamin D., Peeples, Molly S., Prochaska, Jason X., Weinberg, David H.

“…We analyse the low-redshift (z ≈ 0.2) circumgalactic medium (CGM) by comparing absorption-line data from the COS-Halos survey to absorption around a matched…”
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The intergalactic medium over the last 10 billion years - II. Metal-line absorption and physical conditions by Oppenheimer, Benjamin D., Davé, Romeel, Katz, Neal, Kollmeier, Juna A., Weinberg, David H.

“…We investigate the metallicity evolution and metal content of the intergalactic medium (IGM) and galactic halo gas from z= 2 to 0 using 110-million-particle…”
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ASASSN-15pz: Revealing Significant Photometric Diversity among 2009dc-like, Peculiar SNe Ia by Chen, Ping, Dong, Subo, Katz, Boaz, Kochanek, C. S., Kollmeier, Juna A., Maguire, K., Phillips, M. M., Prieto, J. L., Shappee, B. J., Stritzinger, M. D., Bose, Subhash, Brown, Peter J., Holoien, T. W.-S., Galbany, L., Milne, Peter A., Morrell, Nidia, Piro, Anthony L., Stanek, K. Z., Thompson, Todd A., Young, D. R.

“…Abstract We report comprehensive multi-wavelength observations of a peculiar Type Ia-like supernova (“SN Ia-pec”) ASASSN-15pz. ASASSN-15pz is a spectroscopic…”
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The expected spins of gravitational wave sources with isolated field binary progenitors by Zaldarriaga, Matias, Kushnir, Doron, Kollmeier, Juna A.

“…Abstract We explore the consequences of dynamical evolution of field binaries composed of a primary black hole (BH) and a Wolf–Rayet (WR) star in the context…”
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Radiation pressure clear-out of dusty photoevaporating discs by Owen, James E, Kollmeier, Juna A

“…ABSTRACT Theoretical models of protoplanetary disc dispersal predict a phase where photoevaporation has truncated the disc at several au, creating a pressure…”
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SEGUE-2 Limits on Metal-rich Old-population Hypervelocity Stars in the Galactic Halo by Kollmeier, Juna A, Gould, Andrew, Rockosi, Constance, Beers, Timothy C, Knapp, Gillian, Johnson, Jennifer A, Morrison, Heather, Harding, Paul, Lee, Young Sun, Weaver, Benjamin A

“…We present new limits on the ejection of metal-rich old-population hypervelocity stars (HVSs) from the Galactic center (GC) as probed by the SEGUE-2 survey…”
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The neutral hydrogen content of galaxies in cosmological hydrodynamic simulations by Davé, Romeel, Katz, Neal, Oppenheimer, Benjamin D., Kollmeier, Juna A., Weinberg, David H.

“…We examine the global H i properties of galaxies in quarter billion particle cosmological simulations using gadget-2, focusing on how galactic outflows impact…”
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Tracing inflows and outflows with absorption lines in circumgalactic gas by Ford, Amanda Brady, Davé, Romeel, Oppenheimer, Benjamin D., Katz, Neal, Kollmeier, Juna A., Thompson, Robert, Weinberg, David H.

“…We examine how H i and metal absorption lines within low-redshift galaxy haloes trace the dynamical state of circumgalactic gas, using cosmological…”
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DIFFUSE Lyα EMITTING HALOS: A GENERIC PROPERTY OF HIGH-REDSHIFT STAR-FORMING GALAXIES by STEIDEL, Charles C, BOGOSAVLJEVIC, Milan, SHAPLEY, Alice E, KOLLMEIER, Juna A, REDDY, Naveen A, ERB, Dawn K, PETTINI, Max

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H α emission in the nebular spectrum of the Type Ia supernova ASASSN-18tb by Kollmeier, Juna A, Chen, Ping, Dong, Subo, Morrell, Nidia, Phillips, M M, Kushnir, Doron, Prieto, J L, Piro, Anthony L, Simon, Joshua D

“…ABSTRACT As part of the 100IAS survey, a program aimed to obtain nebular-phase spectra for a volume-limited and homogeneous sample of Type Ia supernovae…”
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Probing the Dependence of the Intergalactic Medium on Large-scale Environment Using the Low-redshift Lyα Forest by Tonnesen, Stephanie, Smith, Britton D., Kollmeier, Juna A., Cen, Renyue

“…Abstract We examine the statistics of the low-redshift Ly α forest in a cosmological hydrodynamic simulation using adaptive mesh refinement that has sufficient…”
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Can moons have moons? by Kollmeier, Juna A, Raymond, Sean N

“…ABSTRACT Each of the giant planets within the Solar system has large moons but none of these moons have their own moons (which we call submoons). By analogy…”
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Dust traps as planetary birthsites: basics and vortex formation by Owen, James E., Kollmeier, Juna A.

“…Abstract We present a simple model for low-mass planet formation and subsequent evolution within ‘transition’ discs. We demonstrate quantitatively that the…”
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TORQUE-LIMITED GROWTH OF MASSIVE BLACK HOLES IN GALAXIES ACROSS COSMIC TIME by Anglés-Alcázar, Daniel, Özel, Feryal, Davé, Romeel, Katz, Neal, Kollmeier, Juna A., Oppenheimer, Benjamin D.

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