Search Results - "French, K Decker"

The Post-starburst Evolution of Tidal Disruption Event Host Galaxies by French, K. Decker, Arcavi, Iair, Zabludoff, Ann

“…We constrain the recent star formation histories of the host galaxies of eight optical/UV-detected tidal disruption events (TDEs). Six hosts had quick…”
Get full text

The Host Galaxies of Tidal Disruption Events by French, K. Decker, Wevers, Thomas, Law-Smith, Jamie, Graur, Or, Zabludoff, Ann I.

“…Recent studies of Tidal Disruption Events (TDEs) have revealed unexpected correlations between the TDE rate and the large-scale properties of the host…”
Get full text

Clocking the Evolution of Post-starburst Galaxies: Methods and First Results by French, K. Decker, Yang, Yujin, Zabludoff, Ann I., Tremonti, Christy A.

“…Detailed modeling of the recent star formation histories (SFHs) of post-starburst (or "E+A") galaxies is impeded by the degeneracy between the time elapsed…”
Get full text

Extended Emission-line Regions in Poststarburst Galaxies Hosting Tidal Disruption Events by Wevers, Thomas, French, K. Decker

“…Abstract We report the discovery of an extended emission-line region (EELR) in MUSE observations of Markarian 950, a nearby ( z = 0.01628) poststarburst (PSB)…”
Get full text

A cool and inflated progenitor candidate for the Type Ib supernova 2019yvr at 2.6 yr before explosion by Kilpatrick, Charles D, Drout, Maria R, Auchettl, Katie, Dimitriadis, Georgios, Foley, Ryan J, Jones, David O, DeMarchi, Lindsay, French, K Decker, Gall, Christa, Hjorth, Jens, Jacobson-Galán, Wynn V, Margutti, Raffaella, Piro, Anthony L, Ramirez-Ruiz, Enrico, Rest, Armin, Rojas-Bravo, César

“…ABSTRACT We present Hubble Space Telescope imaging of a pre-explosion counterpart to SN 2019yvr obtained 2.6 yr before its explosion as a type Ib supernova…”
Get full text

The Evolution of the Interstellar Medium in Post-starburst Galaxies by Li, Zhihui, French, K. Decker, Zabludoff, Ann I., Ho, Luis C.

“…We derive dust masses (Mdust) from the spectral energy distributions of 58 post-starburst galaxies (PSBs). There is an anticorrelation between specific dust…”
Get full text

Discovery and Early Evolution of ASASSN-19bt, the First TDE Detected by TESS by Holoien, Thomas W.-S., Vallely, Patrick J., Auchettl, Katie, Stanek, K. Z., Kochanek, Christopher S., French, K. Decker, Prieto, Jose L., Shappee, Benjamin J., Brown, Jonathan S., Fausnaugh, Michael M., Dong, Subo, Thompson, Todd A., Bose, Subhash, Neustadt, Jack M. M., Cacella, P., Brimacombe, J., Kendurkar, Malhar R., Beaton, Rachael L., Boutsia, Konstantina, Chomiuk, Laura, Connor, Thomas, Morrell, Nidia, Newman, Andrew B., Rudie, Gwen C., Shishkovksy, Laura, Strader, Jay

“…We present the discovery and early evolution of ASASSN-19bt, a tidal disruption event (TDE) discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN)…”
Get full text

Are All Post-starbursts Mergers? HST Reveals Hidden Disturbances in the Majority of PSBs by Sazonova, Elizaveta, Alatalo, Katherine, Rowlands, Kate, Deustua, Susana E., French, K. Decker, Heckman, Timothy, Lanz, Lauranne, Lisenfeld, Ute, Luo, Yuanze, Medling, Anne, Nyland, Kristina, Otter, Justin A., Petric, Andreea O., Snyder, Gregory F., Urry, Claudia Megan

“…Abstract How do galaxies transform from blue, star-forming spirals to red, quiescent early-type galaxies? To answer this question, we analyzed a set of 26…”
Get full text

Accretion disc cooling and narrow absorption lines in the tidal disruption event AT 2019dsg by Cannizzaro, G, Wevers, T, Jonker, P G, Pérez-Torres, M A, Moldon, J, Mata-Sánchez, D, Leloudas, G, Pasham, D R, Mattila, S, Arcavi, I, Decker French, K, Onori, F, Inserra, C, Nicholl, M, Gromadzki, M, Chen, T-W, Müller-Bravo, T E, Short, P, Anderson, J P, Young, D R, Gendreau, K C, Arzoumanian, Z, Löwenstein, M, Remillard, R, Roy, R, Hiramatsu, D

“…ABSTRACT We present the results of a large multiwavelength follow-up campaign of the tidal disruption event (TDE) AT 2019dsg, focusing on low to high…”
Get full text

The State of the Molecular Gas in Post-starburst Galaxies by French, K. Decker, Smercina, Adam, Rowlands, Kate, Tripathi, Akshat, Zabludoff, Ann I., Smith, John-David T., Narayanan, Desika, Yang, Yujin, Shirley, Yancy, Alatalo, Katey

“…Abstract The molecular gas in galaxies traces both the fuel for star formation and the processes that can enhance or suppress star formation. Observations of…”
Get full text

Fading AGNs in Poststarburst Galaxies by French, K. Decker, Earl, Nicholas, Novack, Annemarie B., Pardasani, Bhavya, Pillai, Vismaya R., Tripathi, Akshat, Verrico, Margaret E.

“…Abstract The role of active galactic nuclei (AGNs) in quenching galaxies and driving the evolution from star forming to quiescence remains a key question in…”
Get full text

The Star Formation History of a Post-starburst Galaxy Determined from Its Cluster Population by Chandar, Rupali, Mok, Angus, French, K. Decker, Smercina, Adam, Smith, John-David T.

“…Abstract The recent star formation histories (SFHs) of post-starburst galaxies have been determined almost exclusively from detailed modeling of their…”
Get full text

Why Post-starburst Galaxies Are Now Quiescent by French, K. Decker, Zabludoff, Ann I., Yoon, Ilsang, Shirley, Yancy, Yang, Yujin, Smercina, Adam, Smith, J. D., Narayanan, Desika

“…Post-starburst or "E + A" galaxies are rapidly transitioning from star-forming to quiescence. While the current star formation rate (SFR) of post-starbursts is…”
Get full text

Evolution Through the Post-starburst Phase: Using Post-starburst Galaxies as Laboratories for Understanding the Processes that Drive Galaxy Evolution by French, K. Decker

“…Post-starburst (or “E+A”) galaxies trace the fastest and most dramatic processes in galaxy evolution. Recent work studying the evolution of galaxies through…”
Get full text

The ALMaQUEST Survey. XII. Dense Molecular Gas as Traced by HCN and HCO+ in Green Valley Galaxies by Lin, Lihwai, Pan, Hsi-An, Ellison, Sara L., Harada, Nanase, Jiménez-Donaire, María J., French, K. Decker, Baker, William M., Hsieh, Bau-Ching, Koyama, Yusei, López-Cobá, Carlos, Michiyama, Tomonari, Rowlands, Kate, Sánchez, Sebastián F., Thorp, Mallory D.

“…Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of two dense gas tracers, HCN (1−0) and HCO + (1-0) for three galaxies in…”
Get full text

Pulling Back the Curtain on Shocks and Star Formation in NGC 1266 with Gemini-NIFS by Otter, Justin Atsushi, Alatalo, Katherine, Rowlands, Kate, McDermid, Richard M., Davis, Timothy A., Federrath, Christoph, French, K. Decker, Heckman, Timothy, Ogle, Patrick, Kakkad, Darshan, Luo, Yuanze, Nyland, Kristina, Tripathi, Akshat, Patil, Pallavi, Petric, Andreea, Smercina, Adam, Skarbinski, Maya, Lanz, Lauranne, Larson, Kristin, Appleton, Philip N., Aalto, Susanne, Olander, Gustav, Sazonova, Elizaveta, Smith, J. D. T.

“…Abstract We present Gemini near-infrared integral field spectrograph K -band observations of the central 400 pc of NGC 1266, a nearby ( D ≈ 30 Mpc)…”
Get full text

Joint Strong and Weak Lensing Analysis of the Massive Cluster Field J0850+3604 by Wong, Kenneth C., Raney, Catie, Keeton, Charles R., Umetsu, Keiichi, Zabludoff, Ann I., Ammons, S. Mark, French, K. Decker

“…We present a combined strong and weak lensing analysis of the J085007.6+360428 (J0850) field, which contains the massive cluster Zwicky 1953. This field was…”
Get full text

A Spectroscopic Survey of the Fields of 28 Strong Gravitational Lenses: Implications for H0 by Wilson, Michelle L., Zabludoff, Ann I., Keeton, Charles R., Wong, Kenneth C., Williams, Kurtis A., French, K. Decker, Momcheva, Ivelina G.

“…Strong gravitational lensing provides an independent measurement of the Hubble parameter (H0). One remaining systematic is a bias from the additional mass due…”
Get full text

Types of Transients in the Centers of Post-starburst and Quiescent Balmer-strong Galaxies by Arcavi, Iair, Nyiha, Irura, French, K. Decker

“…Abstract Tidal disruption events (TDEs) have been found to show a preference for post-starburst (PS) and quiescent Balmer-strong (QBS) galaxies. This…”
Get full text

Identifying Tidal Disruption Events via Prior Photometric Selection of Their Preferred Hosts by French, K. Decker, Zabludoff, Ann I.

“…A nuclear transient detected in a post-starburst galaxy or other quiescent galaxy with strong Balmer absorption is likely to be a tidal disruption event (TDE)…”
Get full text