Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Natarajan, Priyamvada"'
Autor:
Perera, Derek, Williams, Liliya L. R., Liesenborgs, Jori, Kelly, Patrick L., Taft, Sarah H., Li, Sung Kei, Jauzac, Mathilde, Diego, Jose M., Natarajan, Priyamvada, Steinhardt, Charles L., Faisst, Andreas L., Rich, R. Michael
We present new free-form and hybrid mass reconstructions of the galaxy cluster lens MACS J0416.1-2403 at $z=0.396$ using the lens inversion method GRALE. The reconstructions use 237 spectroscopically confirmed multiple images from Bergamini et. al. 2
Externí odkaz:
http://arxiv.org/abs/2407.15978
Gravitational lensing by galaxy clusters has emerged as a powerful tool to probe the standard Cold Dark Matter (CDM) paradigm of structure formation in the Universe. Despite the remarkable explanatory power of CDM on large scales, tensions with obser
Externí odkaz:
http://arxiv.org/abs/2406.17024
Autor:
Uppal, Anavi, Ward, Charlotte, Gezari, Suvi, Natarajan, Priyamvada, Chen, Nianyi, LaChance, Patrick, Di Matteo, Tiziana
Supermassive black holes (SMBHs) can be ejected from their galactic centers due to gravitational wave recoil or the slingshot mechanism following a galaxy merger. If an ejected SMBH retains its inner accretion disk, it may be visible as an off-nuclea
Externí odkaz:
http://arxiv.org/abs/2405.11026
Autor:
Ananna, Tonima Tasnim, Bogdán, Ákos, Kovács, Orsolya E., Natarajan, Priyamvada, Hickox, Ryan C.
The discovery of Little Red Dots (LRDs) -- a population of compact, high-redshift, dust-reddened galaxies -- is one of the most surprising results from JWST. However, the nature of LRDs is still debated: does the near-infrared emission originate from
Externí odkaz:
http://arxiv.org/abs/2404.19010
Autor:
Tokayer, Yarone M., Dutra, Isaque, Natarajan, Priyamvada, Mahler, Guillaume, Jauzac, Mathilde, Meneghetti, Massimo
Strong gravitational lensing offers a powerful probe of the detailed distribution of matter in lenses, while magnifying and bringing faint background sources into view. Observed strong lensing by massive galaxy clusters, which are often in complex dy
Externí odkaz:
http://arxiv.org/abs/2404.16951
Autor:
Agazie, Gabriella, Baker, Paul T., Bécsy, Bence, Blecha, Laura, Brazier, Adam, Brook, Paul R., Brown, Lucas, Burke-Spolaor, Sarah, Casey-Clyde, J. Andrew, Charisi, Maria, Chatterjee, Shami, Cohen, Tyler, Cordes, James M., Cornish, Neil J., Crawford, Fronefield, Cromartie, H. Thankful, DeCesar, Megan E., Demorest, Paul B., Deng, Heling, Dolch, Timothy, Ferrara, Elizabeth C., Fiore, William, Fonseca, Emmanuel, Freedman, Gabriel E., Garver-Daniels, Nate, Glaser, Joseph, Good, Deborah C., Gültekin, Kayhan, Hazboun, Jeffrey S., Jennings, Ross J., Johnson, Aaron D., Jones, Megan L., Kaiser, Andrew R., Kaplan, David L., Kelley, Luke Zoltan, Key, Joey S., Laal, Nima, Lam, Michael T., Lamb, William G., Larsen, Bjorn, Lazio, T. Joseph W., Lewandowska, Natalia, Liu, Tingting, Luo, Jing, Lynch, Ryan S., Ma, Chung-Pei, Madison, Dustin R., McEwen, Alexander, McKee, James W., McLaughlin, Maura A., Meyers, Patrick M., Mingarelli, Chiara M. F., Mitridate, Andrea, Natarajan, Priyamvada, Nice, David J., Ocker, Stella Koch, Olum, Ken D., Pennucci, Timothy T., Pol, Nihan S., Radovan, Henri A., Ransom, Scott M., Ray, Paul S., Romano, Joseph D., Runnoe, Jessie C., Sardesai, Shashwat C., Schmitz, Kai, Siemens, Xavier, Simon, Joseph, Siwek, Magdalena S., Fiscella, Sophia V. Sosa, Stairs, Ingrid H., Stinebring, Daniel R., Susobhanan, Abhimanyu, Swiggum, Joseph K., Taylor, Stephen R., Turner, Jacob E., Unal, Caner, Vallisneri, Michele, Vigeland, Sarah J., Wahl, Haley M., Willson, London, Witt, Caitlin A., Young, Olivia
The cosmic merger history of supermassive black hole binaries (SMBHBs) is expected to produce a low-frequency gravitational wave background (GWB). Here we investigate how signs of the discrete nature of this GWB can manifest in pulsar timing arrays t
Externí odkaz:
http://arxiv.org/abs/2404.07020
We report for the first time a sample of 12 supermassive black holes (SMBHs) hosted by low-mass galaxies at cosmic noon, i.e., in a redshift range consistent with the peak of star formation history: $z \sim 1-3$. These black holes are two orders of m
Externí odkaz:
http://arxiv.org/abs/2404.05793
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a drift-scan interferometer designed to map the entire northern sky every 24 hours. The all-sky coverage and sensitivity to neutral hydrogen flux at intermediate redshifts makes the instru
Externí odkaz:
http://arxiv.org/abs/2404.01382
Autor:
Kovacs, Orsolya E., Bogdan, Akos, Natarajan, Priyamvada, Werner, Norbert, Azadi, Mojegan, Volonteri, Marta, Tremblay, Grant R., Chadayammuri, Urmila, Forman, William R., Jones, Christine, Kraft, Ralph P.
While supermassive black holes (BHs) are widely observed in the nearby and distant universe, their origin remains debated with two viable formation scenarios with light and heavy seeds. In the light seeding model, the first BHs form from the collapse
Externí odkaz:
http://arxiv.org/abs/2403.14745
Autor:
Fu, Shenming, Dell'Antonio, Ian, Escalante, Zacharias, Nelson, Jessica, Englert, Anthony, Helhoski, Søren, Shinde, Rahul, Brockland, Julia, LaDuca, Philip, Larkin, Christelyn, Paris, Lucca, Weiner, Shane, Black, William K., Chary, Ranga-Ram, Clowe, Douglas, Cooper, M. C., Donahue, Megan, Evrard, August, Lacy, Mark, Lauer, Tod, Liu, Binyang, McCleary, Jacqueline, Meneghetti, Massimo, Miyatake, Hironao, Montes, Mireia, Natarajan, Priyamvada, Ntampaka, Michelle, Pierpaoli, Elena, Postman, Marc, Sohn, Jubee, Turner, David, Umetsu, Keiichi, Utsumi, Yousuke, Wilson, Gillian
The Local Volume Complete Cluster Survey (LoVoCCS) is an on-going program to observe nearly a hundred low-redshift X-ray-luminous galaxy clusters (redshifts $0.0310^{44}$ erg/s)
Externí odkaz:
http://arxiv.org/abs/2402.10337