SN 2022joj: A Peculiar Type Ia Supernova Possibly Driven by an Asymmetric Helium-shell Double Detonation

Autor: Liu, Chang, Miller, Adam A., Boos, Samuel J., Shen, Ken J., Townsley, Dean M., Schulze, Steve, Harvey, Luke, Maguire, Kate, Johansson, Joel, Brink, Thomas G., Burgaz, Umut, Dimitriadis, Georgios, Filippenko, Alexei V., Hall, Saarah, Hinds, K-Ryan, Hoffman, Andrew, Karambelkar, Viraj, Kilpatrick, Charles D., Perley, Daniel, Pichay, Neil, Sears, Huei, Sollerman, Jesper, Stein, Robert, Terwel, Jacobus H., Zheng, WeiKang, Graham, Matthew J., Kasliwal, Mansi M., Lacroix, Leander, Purdum, Josiah, Rusholme, Benjamin, Wold, Avery

We present observations of SN 2022joj, a peculiar Type Ia supernova (SN Ia) discovered by the Zwicky Transient Facility (ZTF). SN 2022joj exhibits an unusually red $g_\mathrm{ZTF}-r_\mathrm{ZTF}$ color at early times and a rapid blueward evolution af

Externí odkaz: http://arxiv.org/abs/2308.06319

The prevalence and influence of circumstellar material around hydrogen-rich supernova progenitors

Autor: Bruch, Rachel J., Gal-Yam, Avishay, Yaron, Ofer, Chen, Ping, Strotjohann, Nora L., Irani, Ido, Zimmerman, Erez, Schulze, Steve, Yang, Yi, Kim, Young-Lo, Bulla, Mattia, Sollerman, Jesper, Rigault, Mickael, Ofek, Eran, Soumagnac, Maayane, Masci, Frank J., Fremling, Christoffer, Perley, Daniel, Nordin, Jakob, Cenko, S. Bradley, Ho, Anna Y. Q., Adams, S., Adreoni, Igor, Bellm, Eric C., Blagorodnova, Nadia, Burdge, Kevin, De, Kishalay, Dekany, Richard G., Dhawan, Suhail, Drake, Andrew J., Duev, Dmitry A., Graham, Matthew, Graham, Melissa L., Jencson, Jacob, Karamehmetoglu, Emir, Kulkarni, Mansi M. Kasliwal Shrinivas, Miller, A. A., Neill, James D., Prince, Thomas A., Riddle, Reed, Rusholme, Benjamin, Sharma, Y., Smith, Roger, Sravan, Niharika, Taggart, Kirsty, Walters, Richard, Yan, Lin

Narrow transient emission lines (flash-ionization features) in early supernova (SN) spectra trace the presence of circumstellar material (CSM) around the massive progenitor stars of core-collapse SNe. The lines disappear within days after the SN expl

Externí odkaz: http://arxiv.org/abs/2212.03313

Discovery and confirmation of the shortest gamma ray burst from a collapsar

Autor: Ahumada, Tomas, Singer, Leo P., Anand, Shreya, Coughlin, Michael W., Kasliwal, Mansi M., Ryan, Geoffrey, Andreoni, Igor, Cenko, S. Bradley, Fremling, Christoffer, Kumar, Harsh, Pang, Peter T. H., Burns, Eric, Cunningham, Virginia, Dichiara, Simone, Dietrich, Tim, Svinkin, Dmitry S., Almualla, Mouza, Castro-Tirado, Alberto J., De, Kishalay, Dunwoody, Rachel, Gatkine, Pradip, Hammerstein, Erica, Iyyani, Shabnam, Mangan, Joseph, Perley, Dan, Purkayastha, Sonalika, Bellm, Eric, Bhalerao, Varun, Bolin, Bryce, Bulla, Mattia, Cannella, Christopher, Chandra, Poonam, Duev, Dmitry A., Frederiks, Dmitry, Gal-Yam, Avishay, Graham, Matthew, Ho, Anna Y. Q., Hurley, Kevin, Karambelkar, Viraj, Kool, Erik C., Kulkarni, S. R., Mahabal, Ashish, Masci, Frank, McBreen, Sheila, Pandey, Shashi B., Reusch, Simeon, Ridnaia, Anna, Rosnet, Philippe, Rusholme, Benjamin, Carracedo, Ana Sagues, Smith, Roger, Soumagnac, Maayane, Stein, Robert, Troja, Eleonora, Tsvetkova, Anastasia, Walters, Richard, Valeev, Azamat F.

Gamma-ray bursts (GRBs) are among the brightest and most energetic events in the universe. The duration and hardness distribution of GRBs has two clusters, now understood to reflect (at least) two different progenitors. Short-hard GRBs (SGRBs; T90 <2

Externí odkaz: http://arxiv.org/abs/2105.05067

Processing Images from the Zwicky Transient Facility

Autor: Laher, Russ R., Masci, Frank J., Groom, Steve, Rusholme, Benjamin, Shupe, David L., Jackson, Ed, Surace, Jason, Flynn, Dave, Landry, Walter, Terek, Scott, Helou, George, Beck, Ron, Hacopians, Eugean, Rebbapragada, Umaa, Bue, Brian, Smith, Roger M., Dekany, Richard G., Miller, Adam A., Cenko, S. B., Bellm, Eric, Patterson, Maria, Kupfer, Thomas, Yan, Lin, Barlow, Tom, Graham, Matthew, Kasliwal, Mansi M., Prince, Thomas A., Kulkarni, Shrinivas R.

The Zwicky Transient Facility is a new robotic-observing program, in which a newly engineered 600-MP digital camera with a pioneeringly large field of view, 47~square degrees, will be installed into the 48-inch Samuel Oschin Telescope at the Palomar

Externí odkaz: http://arxiv.org/abs/1708.01584

Observing the Evolution of the Universe

Autor: Aguirre, James, Amblard, Alexandre, Ashoorioon, Amjad, Baccigalupi, Carlo, Balbi, Amedeo, Bartlett, James, Bartolo, Nicola, Benford, Dominic, Birkinshaw, Mark, Bock, Jamie, Bond, Dick, Borrill, Julian, Bouchet, Franois, Bridges, Michael, Bunn, Emory, Calabrese, Erminia, Cantalupo, Christopher, Caramete, Ana, Carbone, Carmelita, Chatterjee, Suchetana, Church, Sarah, Chuss, David, Contaldi, Carlo, Cooray, Asantha, Das, Sudeep, De Bernardis, Francesco, De Bernardis, Paolo, De Zotti, Gianfranco, Delabrouille, Jacques, Dsert, F. -Xavier, Devlin, Mark, Dickinson, Clive, Dicker, Simon, Dobbs, Matt, Dodelson, Scott, Dore, Olivier, Dotson, Jessie, Dunkley, Joanna, Falvella, Maria Cristina, Fixsen, Dale, Fosalba, Pablo, Fowler, Joseph, Gates, Evalyn, Gear, Walter, Golwala, Sunil, Gorski, Krzysztof, Gruppuso, Alessandro, Gundersen, Josh, Halpern, Mark, Hanany, Shaul, Hazumi, Masashi, Hernandez-Monteagudo, Carlos, Hertzberg, Mark, Hinshaw, Gary, Hirata, Christopher, Hivon, Eric, Holmes, Warren, Holzapfel, William, Hu, Wayne, Hubmayr, Johannes, Huffenberger, Kevin, Irwin, Kent, Jackson, Mark, Jaffe, Andrew, Johnson, Bradley, Jones, William, Kaplinghat, Manoj, Keating, Brian, Keskitalo, Reijo, Khoury, Justin, Kinney, Will, Kisner, Theodore, Knox, Lloyd, Kogut, Alan, Komatsu, Eiichiro, Kosowsky, Arthur, Kovac, John, Krauss, Lawrence, Kurki-Suonio, Hannu, Landau, Susana, Lawrence, Charles, Leach, Samuel, Lee, Adrian, Leitch, Erik, Leonardi, Rodrigo, Lesgourgues, Julien, Liddle, Andrew, Lim, Eugene, Limon, Michele, Loverde, Marilena, Lubin, Philip, Magalhaes, Antonio, Maino, Davide, Marriage, Tobias, Martin, Victoria, Matarrese, Sabino, Mather, John, Mathur, Harsh, Matsumura, Tomotake, Meerburg, Pieter, Melchiorri, Alessandro, Meyer, Stephan, Miller, Amber, Milligan, Michael, Moodley, Kavilan, Neimack, Michael, Nguyen, Hogan, O'Dwyer, Ian, Orlando, Angiola, Pagano, Luca, Page, Lyman, Partridge, Bruce, Pearson, Timothy, Peiris, Hiranya, Piacentini, Francesco, Piccirillo, Lucio, Pierpaoli, Elena, Pietrobon, Davide, Pisano, Giampaolo, Pogosian, Levon, Pogosyan, Dmitri, Ponthieu, Nicolas, Popa, Lucia, Pryke, Clement, Raeth, Christoph, Ray, Subharthi, Reichardt, Christian, Ricciardi, Sara, Richards, Paul, Rocha, Graca, Rudnick, Lawrence, Ruhl, John, Rusholme, Benjamin, Scoccola, Claudia, Scott, Douglas, Sealfon, Carolyn, Sehgal, Neelima, Seiffert, Michael, Senatore, Leonardo, Serra, Paolo, Shandera, Sarah, Shimon, Meir, Shirron, Peter, Sievers, Jonathan, Sigurdson, Kris, Silk, Joe, Silverberg, Robert, Silverstein, Eva, Staggs, Suzanne, Stebbins, Albert, Stivoli, Federico, Stompor, Radek, Sugiyama, Naoshi, Swetz, Daniel, Tartari, Andria, Tegmark, Max, Timbie, Peter, Tristram, Matthieu, Tucker, Gregory, Urrestilla, Jon, Vaillancourt, John, Veneziani, Marcella, Verde, Licia, Vieira, Joaquin, Watson, Scott, Wandelt, Benjamin, Wilson, Grant, Wollack, Edward, Wyman, Mark, Yadav, Amit, Yannick, Giraud-Heraud, Zahn, Olivier, Zaldarriaga, Matias, Zemcov, Michael, Zwart, Jonathan

How did the universe evolve? The fine angular scale (l>1000) temperature and polarization anisotropies in the CMB are a Rosetta stone for understanding the evolution of the universe. Through detailed measurements one may address everything from the p

Externí odkaz: http://arxiv.org/abs/0903.0902