Search Results - "Ilyin, Ilya"

High-resolution Spectroscopy of SN 2023ixf’s First Week: Engulfing the Asymmetric Circumstellar Material by Smith, Nathan, Pearson, Jeniveve, Sand, David J., Ilyin, Ilya, Bostroem, K. Azalee, Hosseinzadeh, Griffin, Shrestha, Manisha

“…Abstract We present a series of high-resolution echelle spectra of SN 2023ixf in M101, obtained nightly during the first week or so after discovery using PEPSI…”
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The Origin of Weakened Magnetic Braking in Old Solar Analogs by Metcalfe, Travis S., Finley, Adam J., Kochukhov, Oleg, See, Victor, Ayres, Thomas R., Stassun, Keivan G., van Saders, Jennifer L., Clark, Catherine A., Godoy-Rivera, Diego, Ilyin, Ilya V., Pinsonneault, Marc H., Strassmeier, Klaus G., Petit, Pascal

“…Abstract The rotation rates of main-sequence stars slow over time as they gradually lose angular momentum to their magnetized stellar winds. The rate of…”
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Early Spectroscopy and Dense Circumstellar Medium Interaction in SN 2023ixf by Bostroem, K. Azalee, Pearson, Jeniveve, Shrestha, Manisha, Sand, David J., Valenti, Stefano, Jha, Saurabh W., Andrews, Jennifer E., Smith, Nathan, Terreran, Giacomo, Green, Elizabeth, Dong, Yize, Lundquist, Michael, Haislip, Joshua, Hoang, Emily T., Hosseinzadeh, Griffin, Janzen, Daryl, Jencson, Jacob E., Kouprianov, Vladimir, Paraskeva, Emmy, Meza Retamal, Nicolas E., Reichart, Daniel E., Arcavi, Iair, Bonanos, Alceste Z., Coughlin, Michael W., Dobson, Ross, Farah, Joseph, Galbany, Lluís, Gutiérrez, Claudia, Hawley, Suzanne, Hebb, Leslie, Hiramatsu, Daichi, Howell, D. Andrew, Iijima, Takashi, Ilyin, Ilya, Jhass, Kiran, McCully, Curtis, Moran, Sean, Morris, Brett M., Mura, Alessandra C., Müller-Bravo, Tomás E., Munday, James, Newsome, Megan, Pabst, Maria Th, Ochner, Paolo, Gonzalez, Estefania Padilla, Pastorello, Andrea, Pellegrino, Craig, Piscarreta, Lara, Ravi, Aravind P., Reguitti, Andrea, Salo, Laura, Vinkó, József, de Vos, Kellie, Wheeler, J. C., Williams, G. Grant, Wyatt, Samuel

“…Abstract We present the optical spectroscopic evolution of SN 2023ixf seen in subnight cadence spectra from 1.18 to 15 days after explosion. We identify…”
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Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and τ Cet by Metcalfe, Travis S., Strassmeier, Klaus G., Ilyin, Ilya V., van Saders, Jennifer L., Ayres, Thomas R., Finley, Adam J., Kochukhov, Oleg, Petit, Pascal, See, Victor, Stassun, Keivan G., Jeffers, Sandra V., Marsden, Stephen C., Morin, Julien, Vidotto, Aline A.

“…Abstract During the first half of their main-sequence lifetimes, stars rapidly lose angular momentum to their magnetized winds, a process known as magnetic…”
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Weakened Magnetic Braking in the Exoplanet Host Star 51 Peg by Metcalfe, Travis S., Strassmeier, Klaus G., Ilyin, Ilya V., Buzasi, Derek, Kochukhov, Oleg, Ayres, Thomas R., Basu, Sarbani, Chontos, Ashley, Finley, Adam J., See, Victor, Stassun, Keivan G., van Saders, Jennifer L., Sepulveda, Aldo G., Ricker, George R.

“…Abstract The consistently low activity level of the old solar analog 51 Peg not only facilitated the discovery of the first hot Jupiter, but also led to the…”
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Nodal Precession and Tidal Evolution of Two Hot Jupiters: WASP-33 b and KELT-9 b by Stephan, Alexander P., Wang, Ji, Cauley, P. Wilson, Gaudi, B. Scott, Ilyin, Ilya, Johnson, Marshall C., Strassmeier, Klaus G.

“…Abstract Hot Jupiters orbiting rapidly rotating stars on inclined orbits undergo tidally induced nodal precession measurable over several years of…”
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Untangling the Sources of Abundance Dispersion in Low-metallicity Stars by Griffith, Emily J., Johnson, Jennifer A., Weinberg, David H., Ilyin, Ilya, Johnson, James W., Rodriguez-Martinez, Romy, Strassmeier, Klaus G.

“…Abstract We measure abundances of 12 elements (Na, Mg, Si, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni) in a sample of 86 metal-poor (−2 ≲ [Fe/H] ≲ −1) subgiant stars in…”
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The PEPSI Exoplanet Transit Survey (PETS). II. A Deep Search for Thermal Inversion Agents in KELT-20 b/MASCARA-2 b with Emission and Transmission Spectroscopy by Johnson, Marshall C., Wang 吉, Ji 王, Asnodkar, Anusha Pai, Bonomo, Aldo S., Gaudi, B. Scott, Henning, Thomas, Ilyin, Ilya, Keles, Engin, Malavolta, Luca, Mallonn, Matthias, Molaverdikhani, Karan, Nascimbeni, Valerio, Patience, Jennifer, Poppenhaeger, Katja, Scandariato, Gaetano, Schlawin, Everett, Shkolnik, Evgenya, Sicilia, Daniela, Sozzetti, Alessandro, Strassmeier, Klaus G., Veillet, Christian, Yan, Fei

“…Abstract Recent observations have shown that the atmospheres of ultrahot Jupiters (UHJs) commonly possess temperature inversions, where the temperature…”
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Economic Development and Sociopolitical Destabilization: A Re-Analysis by Korotayev, Andrey, Vaskin, Ilya, Bilyuga, Stanislav, Ilyin, Ilya

“…Our empirical tests generally support the hypothesis that up to certain values of the average per capita income its growth tends to lead to increased risks of…”
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Retrieving Young Cloudy L Dwarfs: A Nearby Planetary-mass Companion BD+60 1417B and its Isolated Red Twin W0047 by Phillips, Caprice L., Faherty, Jacqueline K., Burningham, Ben, Vos, Johanna M., Gonzales, Eileen C., Griffith, Emily J., Alejandro Merchan, Sherelyn, Calamari, Emily, Visscher, Channon, Morley, Caroline V., Whiteford, Niall, Gaarn, Josefine, Ilyin, Ilya, Strassmeier, Klaus, Wang, Ji

“…Abstract We present an atmospheric retrieval analysis on a set of young, cloudy, red L dwarfs—CWISER J124332.12+600126.2 (BD+60 1417B) and WISEP…”
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Photosensitivity of Nanostructured Schottky Barriers Based on GaP for Solar Energy Applications by Rud, Vasily, Melebaev, Doulbay, Krasnoshchekov, Viktor, Ilyin, Ilya, Terukov, Eugeny, Diuldin, Maksim, Andreev, Alexey, Shamuhammedowa, Maral, Davydov, Vadim

“…This work investigates the surface-barrier photoelectric properties of Au-palladium-n-GaP structures. Research into the visible spectrum region, under the…”
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Io’s Optical Aurorae in Jupiter’s Shadow by Schmidt, Carl, Sharov, Mikhail, de Kleer, Katherine, Schneider, Nick, de Pater, Imke, Phipps, Phillip H., Conrad, Albert, Moore, Luke, Withers, Paul, Spencer, John, Morgenthaler, Jeff, Ilyin, Ilya, Strassmeier, Klaus, Veillet, Christian, Hill, John, Brown, Mike

“…Abstract Decline and recovery timescales surrounding eclipse are indicative of the controlling physical processes in Io’s atmosphere. Recent studies have…”
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Transition to a new global paradigm of development and the role of the united nations in this process by Bondarenko, Valentina M., Ilyin, Ilya V., Korotayev, Andrey V.

“…In his 2011 article "Global Bifurcation: The Decision Window" Ervin Laszlo notes that "we have reached a watershed in our social and cultural evolution. The…”
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Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis by Metcalfe, Travis S., Buzasi, Derek, Huber, Daniel, Pinsonneault, Marc H., van Saders, Jennifer L., Ayres, Thomas R., Basu, Sarbani, Drake, Jeremy J., Egeland, Ricky, Kochukhov, Oleg, Petit, Pascal, Saar, Steven H., See, Victor, Stassun, Keivan G., Li, Yaguang, Bedding, Timothy R., Breton, Sylvain N., Finley, Adam J., García, Rafael A., Kjeldsen, Hans, Nielsen, Martin B., Ong, J. M. Joel, Rørsted, Jakob L., Stokholm, Amalie, Winther, Mark L., Clark, Catherine A., Godoy-Rivera, Diego, Ilyin, Ilya V., Strassmeier, Klaus G., Jeffers, Sandra V., Marsden, Stephen C., Vidotto, Aline A., Baliunas, Sallie, Soon, Willie

“…Abstract The bright star λ Ser hosts a hot Neptune with a minimum mass of 13.6 M ⊕ and a 15.5 day orbit. It also appears to be a solar analog, with a mean…”
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Characterization of the STA1600 CCD for the high‐resolution spectrograph PEPSI by Ilyin, Ilya

“…Characterization of the STA1600 CCD for the high‐resolution spectrograph Potsdam Echelle Polarimetric and Spectroscopic Instrument (PEPSI) is presented. We…”
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A population of neutron star candidates in wide orbits from Gaia astrometry by El-Badry, Kareem, Rix, Hans-Walter, Latham, David W., Shahaf, Sahar, Mazeh, Tsevi, Bieryla, Allyson, Buchhave, Lars A., Andrae, René, Yamaguchi, Natsuko, Isaacson, Howard, Howard, Andrew W., Savino, Alessandro, Ilyin, Ilya V.

“…We report discovery and spectroscopic follow-up of 21 astrometric binaries containing solar-type stars and dark companions with masses near 1.4 M ⊙ . The…”
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A 1.9 solar-mass neutron star candidate in a 2-year orbit by El-Badry, Kareem, Simon, Joshua D., Reggiani, Henrique, Rix, Hans-Walter, Latham, David W., Bieryla, Allyson, Buchhave, Lars A., Shahaf, Sahar, Mazeh, Tsevi, Chakrabarti, Sukanya, Guhathakurta, Puragra, Ilyin, Ilya V., Tauris, Thomas M.

“…We report discovery and characterization of a main-sequence G star orbiting a dark object with mass 1.90 ± 0.04 M ⊙ . The system was discovered via Gaia…”
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Anomalous Nitrogen Isotope Ratio in Comets by Arpigny, Claude, Jehin, Emmanuël, Manfroid, Jean, Hutsemékers, Damien, Schulz, Rita, Stüwe, J. A., Zucconi, Jean-Marc, Ilyin, Ilya

“…High-resolution spectra of the$CN B^2 \Sigma^+-X^2 \Sigma^+$(0,0) band at 390 nanometers yield isotopic ratios for comets C/1995 O1 (Hale-Bopp) and C/2000 WM1…”
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International Approaches to the Analysis of the Phenomena of BRICS Transregionalism by Ilyin, Ilya V., Leonova, Olga G.

“…The article analyzes the essence, location, status, and role of the informal BRICS grouping. The authors examine and compare the different points of view on…”
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The Remarkable Far-Ultraviolet Spectrum of FK Comae Berenices: King of Spin by Ayres, Thomas R, Harper, Graham M, Brown, Alexander, Korhonen, Heidi, Ilyin, Ilya V, Redfield, Seth, Wood, Brian E

“…A Far Ultraviolet Spectroscopic Explorer (FUSE) pointing on the ultrafast rotating yellow giant FK Comae Berenices (HD 117555; v sin i 6 163 km s super(-1))…”
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