Search Results - "Heckman, Timothy M"

The Coevolution of Galaxies and Supermassive Black Holes: Insights from Surveys of the Contemporary Universe by Heckman, Timothy M, Best, Philip N

“…We summarize what large surveys of the contemporary Universe have taught us about the physics and phenomenology of the processes that link the formation and…”
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THE IMPLICATIONS OF EXTREME OUTFLOWS FROM EXTREME STARBURSTS by Heckman, Timothy M., Borthakur, Sanchayeeta

“…ABSTRACT Interstellar ultraviolet absorption lines provide crucial information about the properties of galactic outflows. In this paper, we augment our…”
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A local clue to the reionization of the universe by Borthakur, Sanchayeeta, Heckman, Timothy M., Leitherer, Claus, Overzier, Roderik A.

“…Identifying the population of galaxies that was responsible for the reionization of the universe is a long-standing quest in astronomy. We present a possible…”
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Feast and Famine: regulation of black hole growth in low-redshift galaxies by Kauffmann, Guinevere, Heckman, Timothy M.

“…We analyse the observed distribution of Eddington ratios (L/LEdd) as a function of supermassive black hole mass for a large sample of nearby galaxies drawn…”
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Supernova Feedback Efficiency and Mass Loading in the Starburst and Galactic Superwind Exemplar M82 by Strickland, David K, Heckman, Timothy M

“…We measure the net energy efficiency of supernova (SN) and stellar wind feedback in the starburst galaxy M82 and the degree of mass loading of the hot gas…”
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INDIRECT EVIDENCE FOR ESCAPING IONIZING PHOTONS IN LOCAL LYMAN BREAK GALAXY ANALOGS by Alexandroff, Rachael M., Heckman, Timothy M., Borthakur, Sanchayeeta, Overzier, Roderik, Leitherer, Claus

“…ABSTRACT A population of early star-forming galaxies is the leading candidate for the re-ionization of the universe. It is still unclear, however, what…”
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z ∼ 2: An Epoch of Disk Assembly by Simons, Raymond C., Kassin, Susan A., Weiner, Benjamin J., Faber, Sandra M., Trump, Jonathan R., Heckman, Timothy M., Koo, David C., Pacifici, Camilla, Primack, Joel R., Snyder, Gregory F., Vega, Alexander de la

“…We explore the evolution of the internal gas kinematics of star-forming galaxies from the peak of cosmic star formation at z ∼ 2 to today. Measurements of…”
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The GALEX Arecibo SDSS Survey - VIII. Final data release. The effect of group environment on the gas content of massive galaxies by Catinella, Barbara, Schiminovich, David, Cortese, Luca, Fabello, Silvia, Hummels, Cameron B., Moran, Sean M., Lemonias, Jenna J., Cooper, Andrew P., Wu, Ronin, Heckman, Timothy M., Wang, Jing

“…We present the final data release from the GALEX Arecibo SDSS Survey (GASS), a large Arecibo programme that measured the H i properties for an unbiased sample…”
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VLT/X-Shooter Spectroscopy of Lyman Break Analogs: Direct-method O/H Abundances and Nitrogen Enhancements by Loaiza-Agudelo, Maryory, Overzier, Roderik A., Heckman, Timothy M.

“…We used Very Large Telescope/X-Shooter to target a sample of nearby analogs of Lyman break galaxies (LBGs). These Lyman break analogs are similar to the LBGs…”
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THE IMPACT OF INTERACTIONS, BARS, BULGES, AND ACTIVE GALACTIC NUCLEI ON STAR FORMATION EFFICIENCY IN LOCAL MASSIVE GALAXIES by SAINTONGE, Amélie, TACCONI, Linda J, SCHIMINOVICH, David, SCHUSTER, Karl, WUYTS, Stijn, FABELLO, Silvia, JING WANG, CATINELLA, Barbara, GENZEL, Reinhard, GRACIA-CARPIO, Javier, KRAMER, Carsten, MORAN, Sean, HECKMAN, Timothy M

“…Using atomic and molecular gas observations from the GASS and COLD GASS surveys and complementary optical/UV data from the Sloan Digital Sky Survey and the…”
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Extreme Feedback and the Epoch of Reionization: Clues in the Local Universe by Heckman, Timothy M, Borthakur, Sanchayeeta, Overzier, Roderik, Kauffmann, Guinevere, Basu-Zych, Antara, Leitherer, Claus, Sembach, Ken, Martin, D. Chris, Rich, R. Michael, Schiminovich, David, Seibert, Mark

“…The source responsible for reionizing the universe at z>6 remains uncertain. While an energetically adequate population of star-forming galaxies may be in…”
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Do galaxy global relationships emerge from local ones? The SDSS IV MaNGA surface mass density–metallicity relation by Barrera-Ballesteros, Jorge K, Heckman, Timothy M, Zhu, Guangtun B, Zakamska, Nadia L, Sanchez, Sebastian F, Law, David, Wake, David, Green, Jenny E, Bizyaev, Dmitry, Oravetz, Daniel, Simmons, Audrey, Malanushenko, Elena, Pan, Kaike, Lopes, Alexandre Roman, Lane, Richard R

“…We present the stellar surface mass density versus gas metallicity (Σ*-Z) relation for more than 500 000 spatially resolved star-forming resolution elements…”
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Star formation in quasar hosts and the origin of radio emission in radio-quiet quasars by Zakamska, Nadia L., Lampayan, Kelly, Petric, Andreea, Dicken, Daniel, Greene, Jenny E., Heckman, Timothy M., Hickox, Ryan C., Ho, Luis C., Krolik, Julian H., Nesvadba, Nicole P. H., Strauss, Michael A., Geach, James E., Oguri, Masamune, Strateva, Iskra V.

“…Radio emission from radio-quiet quasars may be due to star formation in the quasar host galaxy, to a jet launched by the supermassive black hole, or to…”
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The Low-redshift Lyman-continuum Survey: [S ii] Deficiency and the Leakage of Ionizing Radiation by Wang, Bingjie, Heckman, Timothy M., Amorín, Ricardo, Borthakur, Sanchayeeta, Chisholm, John, Ferguson, Harry, Flury, Sophia, Giavalisco, Mauro, Grazian, Andrea, Hayes, Matthew, Henry, Alaina, Jaskot, Anne, Ji, Zhiyuan, Makan, Kirill, McCandliss, Stephan, Oey, M. S., Östlin, Göran, Saldana-Lopez, Alberto, Schaerer, Daniel, Thuan, Trinh, Worseck, Gábor, Xu, Xinfeng

“…Abstract The relationship between galaxy characteristics and the reionization of the universe remains elusive, mainly due to the observational difficulty in…”
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KINEMATIC DOWNSIZING AT z ∼ 2 by Simons, Raymond C., Kassin, Susan A., Trump, Jonathan R., Weiner, Benjamin J., Heckman, Timothy M., Barro, Guillermo, Koo, David C., Guo, Yicheng, Pacifici, Camilla, Koekemoer, Anton, Stephens, Andrew W.

“…ABSTRACT We present results from a survey of the internal kinematics of 49 star-forming galaxies at in the CANDELS fields with the Keck/MOSFIRE spectrograph,…”
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Iron Line and Diffuse Hard X-Ray Emission from the Starburst Galaxy M82 by Strickland, David K, Heckman, Timothy M

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COLD GASS, an IRAM legacy survey of molecular gas in massive galaxies - II. The non-universality of the molecular gas depletion time-scale by Saintonge, Amélie, Kauffmann, Guinevere, Wang, Jing, Kramer, Carsten, Tacconi, Linda J., Buchbender, Christof, Catinella, Barbara, Graciá-Carpio, Javier, Cortese, Luca, Fabello, Silvia, Fu, Jian, Genzel, Reinhard, Giovanelli, Riccardo, Guo, Qi, Haynes, Martha P., Heckman, Timothy M., Krumholz, Mark R., Lemonias, Jenna, Li, Cheng, Moran, Sean, Rodriguez-Fernandez, Nemesio, Schiminovich, David, Schuster, Karl, Sievers, Albrecht

“…We study the relation between molecular gas and star formation in a volume-limited sample of 222 galaxies from the COLD GASS survey, with measurements of the…”
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The Physical Thickness of Stellar Disks to z ∼ 2 by Hamilton-Campos, Kathleen A., Simons, Raymond C., Peeples, Molly S., Snyder, Gregory F., Heckman, Timothy M.

“…Abstract In local disk galaxies such as our Milky Way, older stars generally inhabit a thicker disk than their younger counterparts. Two competing models have…”
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NuSTAR Uncovers an Extremely Local Compton-thick AGN in NGC 4968 by LaMassa, Stephanie M., Yaqoob, Tahir, Boorman, Peter G., Tzanavaris, Panayiotis, Levenson, N. A., Gandhi, Poshak, Ptak, Andrew F., Heckman, Timothy M.

“…We present the analysis of Chandra and NuSTAR spectra of NGC 4968, a local (D ∼ 44 Mpc) 12 m selected Seyfert 2 galaxy, enshrouded within Compton-thick layers…”
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The GALEX Arecibo SDSS Survey – I. Gas fraction scaling relations of massive galaxies and first data release by Catinella, Barbara, Schiminovich, David, Kauffmann, Guinevere, Fabello, Silvia, Wang, Jing, Hummels, Cameron, Lemonias, Jenna, Moran, Sean M., Wu, Ronin, Giovanelli, Riccardo, Haynes, Martha P., Heckman, Timothy M., Basu-Zych, Antara R., Blanton, Michael R., Brinchmann, Jarle, Budavári, Tamás, Gonçalves, Thiago, Johnson, Benjamin D., Kennicutt, Robert C., Madore, Barry F., Martin, Christopher D., Rich, Michael R., Tacconi, Linda J., Thilker, David A., Wild, Vivienne, Wyder, Ted K.

“…We introduce the GALEX Arecibo SDSS Survey (GASS), an on-going large programme that is gathering high quality H i-line spectra using the Arecibo radio…”
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