Search Results - "Gerasimov, Roman"

Characterization of Population III Stars with Stellar Atmosphere and Evolutionary Modeling and Predictions of their Observability with the JWST by Larkin, Mikaela M., Gerasimov, Roman, Burgasser, Adam J.

“…Abstract Population III stars were the first stars to form after the Big Bang and are believed to have made the earliest contribution to the metal content of…”
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Exploring the Chemistry and Mass Function of the Globular Cluster 47 Tucanae with New Theoretical Color–Magnitude Diagrams by Gerasimov, Roman, Burgasser, Adam J., Caiazzo, Ilaria, Homeier, Derek, Richer, Harvey B., Correnti, Matteo, Heyl, Jeremy

“…Abstract Despite their shared origin, members of globular clusters display star-to-star variations in composition. The observed pattern of element abundances…”
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JWST Imaging of the Closest Globular Clusters. II. Discovery of Brown Dwarfs in NGC 6397 and Measurement of Age from the Brown Dwarf Cooling Sequence, Using SANDee—A New Grid of Model Isochrones across the Hydrogen-burning Limit by Gerasimov, Roman, Bedin, Luigi R., Burgasser, Adam J., Apai, Daniel, Nardiello, Domenico, Alvarado, Efrain, Anderson, Jay

“…Abstract Globular clusters contain vast repositories of metal-poor stars that represent some of the oldest stellar generations in the Universe. The…”
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UNCOVER: JWST Spectroscopy of Three Cold Brown Dwarfs at Kiloparsec-scale Distances by Burgasser, Adam J., Bezanson, Rachel, Labbe, Ivo, Brammer, Gabriel, Cutler, Sam E., Furtak, Lukas J., Greene, Jenny E., Gerasimov, Roman, Leja, Joel, Pan, Richard, Price, Sedona H., Wang, Bingjie, Weaver, John R., Whitaker, Katherine E., Fujimoto, Seiji, Kokorev, Vasily, Dayal, Pratika, Nanayakkara, Themiya, Williams, Christina C., Marchesini, Danilo, Zitrin, Adi, van Dokkum, Pieter

“…Abstract We report JWST/NIRSpec spectra of three distant T-type brown dwarfs identified in the Ultradeep NIRSpec and NIRCam ObserVations before the Epoch of…”
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Inelastic Deformation of Coronary Stents: Two-Level Model by Volegov, Pavel S, Knyazev, Nikita A, Gerasimov, Roman M, Silberschmidt, Vadim V

“…This study describes the internal structure of materials used to produce medical stents. A two-level elastoviscoplastic mathematical model, which sets the…”
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The Brown Dwarf Kinematics Project (BDKP). VI. Ultracool Dwarf Radial and Rotational Velocities from SDSS/APOGEE High-resolution Spectroscopy by Hsu, Chih-Chun, Burgasser, Adam J., Theissen, Christopher A., Birky, Jessica L., Aganze, Christian, Gerasimov, Roman, Schmidt, Sarah J., Blake, Cullen H., Covey, Kevin R., Moreno-Hilario, Elizabeth, Gelino, Christopher R., Serna, Javier, Brownstein, Joel R., Cunha, Katia

“…Abstract We present precise measurements of radial (RV) and projected rotational ( v sin i ) velocities of a sample of 258 M6 to L2 dwarfs with multiepoch,…”
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New Constraints on Lorentz Invariance Violation from Combined Linear and Circular Optical Polarimetry of Extragalactic Sources by Gerasimov, Roman, Bhoj, Praneet, Kislat, Fabian

“…Expanding on our prior efforts to search for Lorentz invariance violation (LIV) using the linear optical polarimetry of extragalactic objects, we propose a new…”
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Using the wavelet transform to process data from experimental studies of the discontinuous plastic deformation effect by Chechulina, Evgeniia, Trusov, Peter, Gerasimov, Roman, Vildeman, Valeriy, Tretyakov, Mikhail

“…Vast number of theoretical and experimental works has been devoted to the study of discontinuous plastic deformation (the Portevin-Le Chatelier effect), which…”
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Discovery of a Hypervelocity L Subdwarf at the Star/Brown Dwarf Mass Limit by Burgasser, Adam J., Gerasimov, Roman, Kremer, Kyle, Brooks, Hunter, Alvarado, Efrain, Schneider, Adam C., Meisner, Aaron M., Theissen, Christopher A., Softich, Emma, Karpoor, Preethi, Bickle, Thomas P., Kabatnik, Martin, Rothermich, Austin, Caselden, Dan, Kirkpatrick, J. Davy, Faherty, Jacqueline K., Casewell, Sarah L., Kuchner, Marc J.

“…Abstract We report the discovery of a high-velocity, very low-mass star or brown dwarf whose kinematics suggest it is unbound to the Milky Way. CWISE…”
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Linear-acoustic effects of asymmetrical undercutting of toneholes of woodwind instruments by Gerasimov, Roman

“…The influence of the presence and magnitude of asymmetrical undercutting of the toneholes of woodwind instruments on the change in their effective radius and…”
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Computer simulation of shearing deformation in polymer systems with polar groups by Maksimova, Olga G., Piskunov, Oleg S., Gerasimov, Roman A., Baruzdina, Olga S., Maksimov, Andrew V.

“…In this work, shear strain modeling in materials consisting of a thin polymer layer ( ∼ 1 5 nm), adhesive bonded to a rigid substrate, considered not to be…”
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Ordering and Large-Scale Relaxation Properties of Macromolecules in Ferroelectric Polymer Films by Maksimov, Andrew V., Gerasimov, Roman A., Maksimova, Olga G.

“…Dynamical equations for transverse and longitudinal mean projections of elastic-deformed kinetic chain units (Gaussian subchains) with anisotropic local intra-…”
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Evolution, Atmospheres and Chemistry of Ancient Stellar Populations by Gerasimov, Roman

“…The chemical diversity of our galaxy is owed to multiple generations of stars that converted the primordial mixture of hydrogen and helium into ~100 elements…”
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The HST Large Program on ω Centauri. V. Exploring the Ultracool Dwarf Population with Stellar Atmosphere and Evolutionary Modeling by Gerasimov, Roman, Burgasser, Adam J., Homeier, Derek, Bedin, Luigi R., Rees, Jon M., Scalco, Michele, Anderson, Jay, Salaris, Maurizio

“…Abstract Brown dwarfs can serve as both clocks and chemical tracers of the evolutionary history of the Milky Way due to their continuous cooling and high…”
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WISEA J041451.67-585456.7 and WISEA J181006.18-101000.5: The First Extreme T-type Subdwarfs? by Schneider, Adam C., Burgasser, Adam J., Gerasimov, Roman, Marocco, Federico, Gagné, Jonathan, Goodman, Sam, Beaulieu, Paul, Pendrill, William, Rothermich, Austin, Sainio, Arttu, Kuchner, Marc J., Caselden, Dan, Meisner, Aaron M., Faherty, Jacqueline K., Mamajek, Eric E., Hsu, Chih-Chun, Greco, Jennifer J., Cushing, Michael C., Kirkpatrick, J. Davy, Bardalez-Gagliuffi, Daniella, Logsdon, Sarah E., Allers, Katelyn, Debes, John H.

“…We present the discoveries of WISEA J041451.67−585456.7 and WISEA J181006.18−101000.5, two low-temperature (1200-1400 K), high proper motion T-type subdwarfs…”
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An Early-time Optical and Ultraviolet Excess in the Type-Ic SN 2020oi by Gagliano, Alexander, Izzo, Luca, Kilpatrick, Charles D., Mockler, Brenna, Jacobson-Galán, Wynn Vicente, Terreran, Giacomo, Dimitriadis, Georgios, Zenati, Yossef, Auchettl, Katie, Drout, Maria R., Narayan, Gautham, Foley, Ryan J., Margutti, R., Rest, Armin, Jones, D. O., Aganze, Christian, Aleo, Patrick D., Burgasser, Adam J., Coulter, D. A., Gerasimov, Roman, Gall, Christa, Hjorth, Jens, Hsu, Chih-Chun, Magnier, Eugene A., Mandel, Kaisey S., Piro, Anthony L., Rojas-Bravo, César, Siebert, Matthew R., Stacey, Holland, Stroh, Michael Cullen, Swift, Jonathan J., Taggart, Kirsty, Tinyanont, Samaporn

“…Abstract We present photometric and spectroscopic observations of Supernova 2020oi (SN 2020oi), a nearby (∼17 Mpc) type-Ic supernova (SN Ic) within the…”
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Spitzer Follow-up of Extremely Cold Brown Dwarfs Discovered by the Backyard Worlds: Planet 9 Citizen Science Project by Meisner, Aaron M., Faherty, Jacqueline K., Kirkpatrick, J. Davy, Schneider, Adam C., Caselden, Dan, Gagné, Jonathan, Kuchner, Marc J., Burgasser, Adam J., Casewell, Sarah L., Debes, John H., Artigau, Étienne, Bardalez Gagliuffi, Daniella C., Logsdon, Sarah E., Kiman, Rocio, Allers, Katelyn, Hsu, Chih-chun, Wisniewski, John P., Allen, Michaela B., Beaulieu, Paul, Colin, Guillaume, Durantini Luca, Hugo A., Goodman, Sam, Gramaize, Léopold, Hamlet, Leslie K., Hinckley, Ken, Kiwy, Frank, Martin, David W., Pendrill, William, Rothermich, Austin, Sainio, Arttu, Schümann, Jörg, Andersen, Nikolaj Stevnbak, Tanner, Christopher, Thakur, Vinod, Thévenot, Melina, Walla, Jim, W dracki, Zbigniew, Aganze, Christian, Gerasimov, Roman, Theissen, Christopher

“…We present Spitzer follow-up imaging of 95 candidate extremely cold brown dwarfs discovered by the Backyard Worlds: Planet 9 citizen science project, which…”
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The HST Large Programme on NGC 6752 ‐ V. Differences in luminosity and mass function among stellar populations by Scalco, Michele, Gerasimov, Roman, Bedin, Luigi R., Vesperini, Enrico, Nardiello, Domenico, Salaris, Maurizio, Burgasser, Adam, Anderson, Jay, Libralato, Mattia, Bellini, Andrea, Rosati, Piero

“…We exploit the astro‐photometric dataset of the multi‐epoch infrared parallel field of a Hubble Space Telescope Large Programme aimed at studying the faintest…”
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Cover Picture: Astron. Nachr. 6/2024 by Scalco, Michele, Gerasimov, Roman, Bedin, Luigi R., Vesperini, Enrico, Nardiello, Domenico, Salaris, Maurizio, Burgasser, Adam, Anderson, Jay, Libralato, Mattia, Bellini, Andrea, Rosati, Piero

“…Color‐magnitude diagram of the lower mass end of the Main Sequence of globular cluster NGC 6752, as derived from NIR images of a deep field observed under a…”
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The Simons Observatory: Galactic Science Goals and Forecasts by Hensley, Brandon S., Clark, Susan E., Fanfani, Valentina, Krachmalnicoff, Nicoletta, Fabbian, Giulio, Poletti, Davide, Puglisi, Giuseppe, Coppi, Gabriele, Nibauer, Jacob, Gerasimov, Roman, Galitzki, Nicholas, Choi, Steve K., Ashton, Peter C., Baccigalupi, Carlo, Baxter, Eric, Burkhart, Blakesley, Calabrese, Erminia, Chluba, Jens, Errard, Josquin, Frolov, Andrei V., Hervías-Caimapo, Carlos, Huffenberger, Kevin M., Johnson, Bradley R., Jost, Baptiste, Keating, Brian, McCarrick, Heather, Nati, Federico, Sathyanarayana Rao, Mayuri, van Engelen, Alexander, Walker, Samantha, Wolz, Kevin, Xu, Zhilei, Zhu, Ningfeng, Zonca, Andrea

“…Abstract Observing in six frequency bands from 27 to 280 GHz over a large sky area, the Simons Observatory (SO) is poised to address many questions in Galactic…”
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