Search Results - "Ilyin, Ilya V."

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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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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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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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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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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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 impact of globalization on the formation of a global political system by V. Ilyin, Ilya, Sergeevich Rozanov, Alexander

“…Purpose – The purpose of this paper is to analyze the impact of globalization on the formation of a global political system. Design/methodology/approach –…”
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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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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 $M_{\odot}$…”
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A $1.9\,M_{\odot}$ 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 $1.90\pm 0.04 M_{\odot}$. The system was discovered via…”
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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

“…Astrophys. J. 960, L6 (2024) The consistently low activity level of the old solar analog 51 Peg not only facilitated the discovery of the first hot Jupiter,…”
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Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and $\tau$ 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

“…Astrophys. J. 948, L6 (2023) During the first half of their main-sequence lifetimes, stars rapidly lose angular momentum to their magnetized winds, a process…”
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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

“…Astrophys. J. 933, L17 (2022) The rotation rates of main-sequence stars slow over time as they gradually lose angular momentum to their magnetized stellar…”
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Asteroseismology and Spectropolarimetry of the Exoplanet Host Star $\lambda$ 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, Garcia, Rafael A, Kjeldsen, Hans, Nielsen, Martin B, Ong, J. M. Joel, Rorsted, 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

“…Astron. J. 166, 167 (2023) The bright star $\lambda$ Ser hosts a hot Neptune with a minimum mass of 13.6 $M_\oplus$ and a 15.5 day orbit. It also appears to be…”
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LBT/PEPSI Spectropolarimetry of a Magnetic Morphology Shift in Old Solar-type Stars by Metcalfe, Travis S, Kochukhov, Oleg, Ilyin, Ilya V, Strassmeier, Klaus G, Godoy-Rivera, Diego, Pinsonneault, Marc H

“…Astrophys. J. 887, L38 (2019) Solar-type stars are born with relatively rapid rotation and strong magnetic fields. Through a process known as magnetic braking,…”
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Spot evolution on LQ Hya during 2006--2017: temperature maps based on SOFIN and FIES data by Cole-Kodikara, Elizabeth M, Käpylä, Maarit J, Lehtinen, Jyri J, Hackman, Thomas, Ilyin, Ilya V, Piskunov, Nikolai, Kochukhov, Oleg

“…A&A 629, A120 (2019) Context. LQ Hya is one of the most frequently studied young solar analogue stars. Recently, it has been observed to show intriguing…”
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