Zobrazeno 1 - 10
of 48 048
pro vyhledávání: '"Greene P"'
We present a systematic search for radio active galactic nuclei (AGNs) in dwarf galaxies using recent observations taken by the Very Large Array Sky Survey (VLASS). To select these objects, we first establish a criterion to identify radio-excess AGNs
Externí odkaz:
http://arxiv.org/abs/2411.14535
Autor:
Zhuang, Ming-Yang, Wang, Feige, Sun, Fengwu, Shen, Yue, Li, Junyao, Burgasser, Adam J., Fan, Xiaohui, Greene, Jenny E., Narayan, Gautham, Shapley, Alice E., Yang, Qian
We present the Early Data Release of the Multi-Cycle JWST-NEXUS Treasury program (2024-2028), which includes NIRCam imaging and WFSS observations from the first (partial) NEXUS-Wide epoch covering the central 100 ${\rm arcmin^2}$ of the NEXUS field,
Externí odkaz:
http://arxiv.org/abs/2411.06372
Autor:
Setton, David J., Greene, Jenny E., de Graaff, Anna, Ma, Yilun, Leja, Joel, Matthee, Jorryt, Bezanson, Rachel, Boogaard, Leindert A., Cleri, Nikko J., Katz, Harley, Labbe, Ivo, Maseda, Michael V., McConachie, Ian, Miller, Tim B., Price, Sedona H., Suess, Katherine A., van Dokkum, Pieter, Wang, Bingjie, Weibel, Andrea, Whitaker, Katherine E., Williams, Christina C.
Among the most puzzling early discoveries of JWST are "Little Red Dots" -- compact red sources that host broad Balmer emission lines and, in many cases, exhibit a "V shaped" change in slope in the rest-optical. The physical properties of Little Red D
Externí odkaz:
http://arxiv.org/abs/2411.03424
Autor:
Rosado, Rodrigo Córdova, Goulding, Andy D., Greene, Jenny E., Kokron, Nickolas, Strauss, Michael A., Hahn, ChangHoon, Petter, Grayson C., Hickox, Ryan C.
An unresolved question in studies of active galactic nuclei (AGN) is whether their different classes probe different evolutionary stages of black hole--host galaxy interaction. We present the projected two-point cross-correlation function between a s
Externí odkaz:
http://arxiv.org/abs/2410.24020
A B-mode polarization signal in the cosmic microwave background is widely regarded as smoking gun evidence for gravitational waves produced during inflation. Here we demonstrate that tensor perturbations from a cosmological phase transition in the po
Externí odkaz:
http://arxiv.org/abs/2410.23348
Autor:
Zhang, Michael, Paragas, Kimberly, Bean, Jacob L., Yeung, Joseph, Chachan, Yayaati, Greene, Thomas P., Lunine, Jonathan, Deming, Drake
We present the 2.4--5.0 \um JWST/NIRCam emission spectrum of HD 189733b, along with an independent re-reduction of the previously published transmission spectrum at the same wavelengths. We use an upgraded version of PLanetary Atmospheric Tool for Ob
Externí odkaz:
http://arxiv.org/abs/2410.22398
Permutation puzzles, such as the Rubik's cube and the 15 puzzle, are enjoyed by the general public and mathematicians alike. Here we introduce quantum versions of permutation puzzles where the pieces of the puzzles are replaced with indistinguishable
Externí odkaz:
http://arxiv.org/abs/2410.22287
Autor:
Nibauer, Jacob, Bonaca, Ana, Spergel, David N., Price-Whelan, Adrian M., Greene, Jenny E., Starkman, Nathaniel, Johnston, Kathryn V.
Stellar streams retain a memory of their gravitational interactions with small-scale perturbations. While perturbative models for streams have been formulated in action-angle coordinates, a direct transformation to these coordinates is only available
Externí odkaz:
http://arxiv.org/abs/2410.21174
Autor:
Lehmer, Bret D., Monson, Erik B., Eufrasio, Rafael T., Amiri, Amirnezam, Doore, Keith, Basu-Zych, Antara, Garofali, Kristen, Oskinova, Lidia, Andrews, Jeff J., Antoniou, Vallia, Geda, Robel, Greene, Jenny E., Kovlakas, Konstantinos, Lazzarini, Margaret, Richardson, Chris T.
We present a new empirical framework modeling the metallicity and star-formation history (SFH) dependence of X-ray luminous ($L > 10^{36}$ ergs s$^{-1}$) point-source population luminosity functions (XLFs) in normal galaxies. We expect the X-ray poin
Externí odkaz:
http://arxiv.org/abs/2410.19901
Autor:
Toubiana, A., Sberna, L., Volonteri, M., Barausse, E., Babak, S., Enficiaud, R., Villalba, D. Izquierdo, Gair, J. R., Greene, J. E., Leclere, H. Quelquejay
We develop a parametrised model to describe the formation and evolution of massive black holes, designed for comparisons with both electromagnetic and gravitational wave observations. Using an extended Press-Schechter formalism, we generate dark matt
Externí odkaz:
http://arxiv.org/abs/2410.17916