Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Frederick, Sara"'
Autor:
Manne, Sharon, Buller, David, Devine, Katie, Heckman, Carolyn, Pagoto, Sherry, Frederick, Sara, Mitarotondo, Anna
Publikováno v:
Journal of Medical Internet Research, Vol 22, Iss 9, p e18037 (2020)
BackgroundHarnessing supportive influences in close relationships is an innovative and potentially effective strategy to improve sun protection behaviors. ObjectiveThis pilot randomized controlled clinical trial evaluates the feasibility and impact
Externí odkaz:
https://doaj.org/article/a5d6db1a8d1e4e05b2175c270a0d85cc
Autor:
Zeltyn, Grisha, Trakhtenbrot, Benny, Eracleous, Michael, Yang, Qian, Green, Paul, Anderson, Scott F., LaMassa, Stephanie, Runnoe, Jessie, Assef, Roberto J., Bauer, Franz E., Brandt, W. N., Davis, Megan C., Frederick, Sara E., Fries, Logan B., Graham, Matthew J., Grogin, Norman A., Guolo, Muryel, Hernández-García, Lorena, Koekemoer, Anton M., Krumpe, Mirko, Liu, Xin, Martínez-Aldama, Mary Loli, Ricci, Claudio, Schneider, Donald P., Shen, Yue, Śniegowska, Marzena, Temple, Matthew J., Trump, Jonathan R., Xue, Yongquan, Brownstein, Joel R., Dwelly, Tom, Morrison, Sean, Bizyaev, Dmitry, Pan, Kaike, Kollmeier, Juna A.
Publikováno v:
ApJ 966 85 (2024)
"Changing-look" active galactic nuclei (CL-AGNs) challenge our basic ideas about the physics of accretion flows and circumnuclear gas around supermassive black holes. Using first-year Sloan Digital Sky Survey V (SDSS-V) repeated spectroscopy of nearl
Externí odkaz:
http://arxiv.org/abs/2401.01933
Autor:
Ward, Charlotte, Gezari, Suvi, Nugent, Peter, Kerr, Matthew, Eracleous, Michael, Frederick, Sara, Hammerstein, Erica, Graham, Matthew J., van Velzen, Sjoert, Kasliwal, Mansi M., Laher, Russ R., Masci, Frank J., Purdum, Josiah, Racine, Benjamin, Smith, Roger
About 3-10\% of Type I active galactic nuclei (AGN) have double-peaked broad Balmer lines in their optical spectra originating from the motion of gas in their accretion disk. Double-peaked profiles arise not only in AGN, but occasionally appear durin
Externí odkaz:
http://arxiv.org/abs/2309.02516
Autor:
Fries, Logan B., Trump, Jonathan R., Davis, Megan C., Grier, C. J., Shen, Yue, Anderson, Scott F., Dwelly, Tom, Eracleous, Michael, Homayouni, Y., Horne, Keith, Krumpe, Mirko, Morrison, Sean, Runnoe, Jessie C., Trakhtenbrot, Benny, Assef, Roberto J., Brandt, W. N., Brownstein, Joel, Dabbieri, Collin, Fix, Alexander, Alvarez, Gloria Fonseca, Frederick, Sara, Hall, P. B., Koekemoer, Anton M., Li, Jennifer I-Hsiu, Liu, Xin, Martínez-Aldama, Mary Loli, Ricci, Claudio, Schneider, Donald P., Sharp, Hugh W., Temple, Matthew J., Yang, Qian, Zeltyn, Grisha, Bizyaev, Dmitry
We present a high-cadence multi-epoch analysis of dramatic variability of three broad emission lines (MgII, H$\beta$, and H$\alpha$) in the spectra of the luminous quasar ($\lambda L_{\lambda}$(5100\r{A}) = $4.7 \times 10^{44}$ erg s$^{-1}$) SDSS J14
Externí odkaz:
http://arxiv.org/abs/2301.10252
Autor:
Almeida, Andrés, Anderson, Scott F., Argudo-Fernández, Maria, Badenes, Carles, Barger, Kat, Barrera-Ballesteros, Jorge K., Bender, Chad F., Benitez, Erika, Besser, Felipe, Bizyaev, Dmitry, Blanton, Michael R., Bochanski, John, Bovy, Jo, Brandt, William Nielsen, Brownstein, Joel R., Buchner, Johannes, Bulbul, Esra, Burchett, Joseph N., Díaz, Mariana Cano, Carlberg, Joleen K., Casey, Andrew R., Chandra, Vedant, Cherinka, Brian, Chiappini, Cristina, Coker, Abigail A., Comparat, Johan, Conroy, Charlie, Contardo, Gabriella, Cortes, Arlin, Covey, Kevin, Crane, Jeffrey D., Cunha, Katia, Dabbieri, Collin, Davidson Jr., James W., Davis, Megan C., De Lee, Nathan, Delgado, José Eduardo Méndez, Demasi, Sebastian, Di Mille, Francesco, Donor, John, Dow, Peter, Dwelly, Tom, Eracleous, Mike, Eriksen, Jamey, Fan, Xiaohui, Farr, Emily, Frederick, Sara, Fries, Logan, Frinchaboy, Peter, Gaensicke, Boris T., Ge, Junqiang, Ávila, Consuelo González, Grabowski, Katie, Grier, Catherine, Guiglion, Guillaume, Gupta, Pramod, Hall, Patrick, Hawkins, Keith, Hayes, Christian R., Hermes, J. J., Hernández-García, Lorena, Hogg, David W., Holtzman, Jon A., Ibarra-Medel, Hector Javier, Ji, Alexander, Jofre, Paula, Johnson, Jennifer A., Jones, Amy M., Kinemuchi, Karen, Kluge, Matthias, Koekemoer, Anton, Kollmeier, Juna A., Kounkel, Marina, Krishnarao, Dhanesh, Krumpe, Mirko, Lacerna, Ivan, Lago, Paulo Jakson Assuncao, Laporte, Chervin, Liu, Ang, Liu, Chao, Liu, Xin, Lopes, Alexandre Roman, Macktoobian, Matin, Majewski, Steven R., Malanushenko, Viktor, Maoz, Dan, Masseron, Thomas, Masters, Karen L., Matijevic, Gal, McBride, Aidan, Medan, Ilija, Merloni, Andrea, Morrison, Sean, Myers, Natalie, Mészáros, Szabolcs, Negrete, C. Alenka, Nidever, David L., Nitschelm, Christian, Oravetz, Audrey, Oravetz, Daniel, Pan, Kaike, Peng, Yingjie, Pinsonneault, Marc H., Pogge, Rick, Qiu, Dan, Queiroz, Anna Barbara de Andrade, Ramirez, Solange V., Rix, Hans-Walter, Rosso, Daniela Fernández, Runnoe, Jessie, Salvato, Mara, Sanchez, Sebastian F., Santana, Felipe A., Saydjari, Andrew, Sayres, Conor, Schlaufman, Kevin C., Schneider, Donald P., Schwope, Axel, Serna, Javier, Shen, Yue, Sobeck, Jennifer, Song, Ying-Yi, Souto, Diogo, Spoo, Taylor, Stassun, Keivan G., Steinmetz, Matthias, Straumit, Ilya, Stringfellow, Guy, Sánchez-Gallego, José, Taghizadeh-Popp, Manuchehr, Tayar, Jamie, Thakar, Ani, Tissera, Patricia B., Tkachenko, Andrew, Toledo, Hector Hernandez, Trakhtenbrot, Benny, Trincado, Jose G. Fernandez, Troup, Nicholas, Trump, Jonathan R., Tuttle, Sarah, Ulloa, Natalie, Vazquez-Mata, Jose Antonio, Alfaro, Pablo Vera, Villanova, Sandro, Wachter, Stefanie, Weijmans, Anne-Marie, Wheeler, Adam, Wilson, John, Wojno, Leigh, Wolf, Julien, Xue, Xiang-Xiang, Ybarra, Jason E., Zari, Eleonora, Zasowski, Gail
The eighteenth data release of the Sloan Digital Sky Surveys (SDSS) is the first one for SDSS-V, the fifth generation of the survey. SDSS-V comprises three primary scientific programs, or "Mappers": Milky Way Mapper (MWM), Black Hole Mapper (BHM), an
Externí odkaz:
http://arxiv.org/abs/2301.07688
Autor:
Hammerstein, Erica, van Velzen, Sjoert, Gezari, Suvi, Cenko, S. Bradley, Yao, Yuhan, Ward, Charlotte, Frederick, Sara, Villanueva, Natalia, Somalwar, Jean J., Graham, Matthew J., Kulkarni, Shrinivas R., Stern, Daniel, Andreoni, Igor, Bellm, Eric C., Dekany, Richard, Dhawan, Suhail, Drake, Andrew J., Fremling, Christoffer, Gatkine, Pradip, Groom, Steven L., Ho, Anna Y. Q., Kasliwal, Mansi M., Karambelkar, Viraj, Kool, Erik C., Masci, Frank J., Medford, Michael S., Perley, Daniel A., Purdum, Josiah, van Roestel, Jan, Sharma, Yashvi, Sollerman, Jesper, Taggart, Kirsty, Yan, Lin
Tidal disruption events (TDEs) offer a unique way to study dormant black holes. While the number of observed TDEs has grown thanks to the emergence of wide-field surveys in the past few decades, questions regarding the nature of the observed optical,
Externí odkaz:
http://arxiv.org/abs/2203.01461
Autor:
Reusch, Simeon, Stein, Robert, Kowalski, Marek, van Velzen, Sjoert, Franckowiak, Anna, Lunardini, Cecilia, Murase, Kohta, Winter, Walter, Miller-Jones, James C. A., Kasliwal, Mansi M., Gilfanov, Marat, Garrappa, Simone, Paliya, Vaidehi S., Ahumada, Tomas, Anand, Shreya, Barbarino, Cristina, Bellm, Eric C., Brinnel, Valery, Buson, Sara, Cenko, S. Bradley, Coughlin, Michael W., De, Kishalay, Dekany, Richard, Frederick, Sara, Gal-Yam, Avishay, Gezari, Suvi, Giroletti, Marcello, Graham, Matthew J., Karambelkar, Viraj, Kimura, Shigeo S., Kong, Albert K. H., Kool, Erik C., Laher, Russ R., Medvedev, Pavel, Necker, Jannis, Nordin, Jakob, Perley, Daniel A., Rigault, Mickael, Rusholme, Ben, Schulze, Steve, Schweyer, Tassilo, Singer, Leo P., Sollerman, Jesper, Strotjohann, Nora Linn, Sunyaev, Rashid, van Santen, Jakob, Walters, Richard, Zhang, B. Theodore, Zimmerman, Erez
Publikováno v:
Phys. Rev. Lett. 128, 221101 (2022)
The origins of the high-energy cosmic neutrino flux remain largely unknown. Recently, one high-energy neutrino was associated with a tidal disruption event (TDE). Here we present AT2019fdr, an exceptionally luminous TDE candidate, coincident with ano
Externí odkaz:
http://arxiv.org/abs/2111.09390
Autor:
Ward, Charlotte, Gezari, Suvi, Frederick, Sara, Hammerstein, Erica, Nugent, Peter, van Velzen, Sjoert, Drake, Andrew, García-Pérez, Abigail, Oyoo, Immaculate, Bellm, Eric C., Duev, Dmitry A., Graham, Matthew J., Kasliwal, Mansi M., Kaye, Stephen, Mahabal, Ashish A., Masci, Frank J., Rusholme, Ben, Soumagnac, Maayane T., Yan, Lin
A supermassive black hole (SMBH) ejected from the potential well of its host galaxy via gravitational wave recoil carries important information about the mass ratio and spin alignment of the pre-merger SMBH binary. Such a recoiling SMBH may be detect
Externí odkaz:
http://arxiv.org/abs/2011.11656
Autor:
Strotjohann, Nora L., Ofek, Eran O., Gal-Yam, Avishay, Bruch, Rachel, Schulze, Steve, Shaviv, Nir, Sollerman, Jesper, Filippenko, Alexei V., Yaron, Ofer, Fremling, Christoffer, Nordin, Jakob, Kool, Erik C., Perley, Dan A., Ho, Anna Y. Q., Yang, Yi, Yao, Yuhan, Soumagnac, Maayane T., Graham, Melissa L., Barbarino, Cristina, Tartaglia, Leonardo, De, Kishalay, Goldstein, Daniel A., Cook, David O., Brink, Thomas G., Taggart, Kirsty, Yan, Lin, Lunnan, Ragnhild, Kasliwal, Mansi, Kulkarni, Shri R., Nugent, Peter E., Masci, Frank J., Rosnet, Philippe, Adams, Scott M., Andreoni, Igor, Bagdasaryan, Ashot, Bellm, Eric C., Burdge, Kevin, Duev, Dmitry A., Dugas, Alison, Frederick, Sara, Goldwasser, Samantha, Hankins, Matthew, Irani, Ido, Karambelkar, Viraj, Kupfer, Thomas, Liang, Jingyi, Neill, James D., Porter, Michael, Riddle, Reed L., Sharma, Yashvi, Short, Phil, Taddia, Francesco, Tzanidakis, Anastasios, van Roestel, Jan, Walters, Richard, Zhuang, Zhuyun
Publikováno v:
ApJ 907 99 (2021)
Interaction-powered supernovae (SNe) explode within an optically-thick circumstellar medium (CSM) that could be ejected during eruptive events. To identify and characterize such pre-explosion outbursts we produce forced-photometry light curves for 19
Externí odkaz:
http://arxiv.org/abs/2010.11196
Autor:
Hammerstein, Erica, Gezari, Suvi, van Velzen, Sjoert, Cenko, S. Bradley, Roth, Nathaniel, Ward, Charlotte, Frederick, Sara, Hung, Tiara, Graham, Matthew, Foley, Ryan J., Bellm, Eric C., Cannella, Christopher, Drake, Andrew J., Kupfer, Thomas, Laher, Russ R., Mahabal, Ashish A., Masci, Frank J., Riddle, Reed, Rojas-Bravo, César, Smith, Roger
We study the properties of the galaxies hosting the first 19 tidal disruption events (TDEs) detected with the Zwicky Transient Facility (ZTF) within the context of a carefully constructed, representative host galaxy sample. We find that the ZTF sampl
Externí odkaz:
http://arxiv.org/abs/2010.10738