Showing 481 - 500 results of 925 for search '"effective temperature"', query time: 0.46s Refine Results
  1. 481

    A super-Earth and sub-Neptune transiting the late-type M dwarf LP 791-18 by Crossfield, Ian J. M., Matthews, Elisabeth, Halverson, Sam, Berardo, David, Mehrle, Nicholas, Huang, Chelsea, Burt, Jennifer, Seager, Sara, Ricker, George R.

    Published 2020
    “…This star has spectral type M6V, effective temperature 2960 K, and radius 0.17 R o, making it the third-coolest star known to host planets. …”
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    Article
  2. 482

    TOI-503: The First Known Brown-dwarf Am-star Binary from the TESS Mission

    Published 2021
    “…We obtained high-resolution spectroscopic observations with the FIES, Ondrejov, PARAS, Tautenburg, and TRES spectrographs, and measured the mass of TOI-503b to be M b = 53.7 ± 1.2 a radius of R = 1.70 ± 0.05R o, an effective temperature of T eff = 7650 ± 160 K, and a relatively high metallicity of 0.61 ± 0.07 dex. …”
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    Article
  3. 483

    Disentangling the Planet from the Star in Late-Type M Dwarfs: A Case Study of TRAPPIST-1g by Wakeford, HR, Lewis, NK, Fowler, J, Bruno, G, Wilson, TJ, Moran, SE, Valenti, J, Batalha, NE, Filippazzo, J, Bourrier, V, Hörst, SM, Lederer, SM, de Wit, J

    Published 2021
    “…We find that TRAPPIST-1 is a 0.08 M ∗, 0.117 R ∗, M8V star with a photospheric effective temperature of 2400 K, with ∼35% 3000 K spot coverage and a very small fraction, <3%, of ∼5800 K hot spot. …”
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    Article
  4. 484

    KELT-9 b’s Asymmetric TESS Transit Caused by Rapid Stellar Rotation and Spin–Orbit Misalignment by Ahlers, John P, Johnson, Marshall C, Stassun, Keivan G, Colón, Knicole D, Barnes, Jason W, Stevens, Daniel J, Beatty, Thomas, Gaudi, B Scott, Collins, Karen A, Rodriguez, Joseph E, Ricker, George, Vanderspek, Roland, Latham, David, Seager, Sara, Winn, Joshua, Jenkins, Jon M, Caldwell, Douglas A, Goeke, Robert F, Osborn, Hugh P, Paegert, Martin, Rowden, Pam, Tenenbaum, Peter

    Published 2021
    “…We also apply a gravity-darkening correction to the spectral energy distribution model from Gaudi et al. and find that accounting for rapid rotation gives a better fit to available spectroscopy and yields a more reliable estimate for the star's polar effective temperature.…”
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    Article
  5. 485

    Discovery of a young low-mass brown dwarf transiting a fast-rotating F-type star by the Galactic Plane eXoplanet (GPX) survey

    Published 2021
    “…We use the isochrone placement algorithm to characterize the host star, which has effective temperature 7000 ± 200 K, mass 1.68 ± 0.10 $\mathrm{\it M}_\odot$, radius 1.56 ± 0.10 $\mathrm{\it R}_\odot$, and approximate age $0.27_{-0.15}^{+0.09}$ Gyr. …”
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    Article
  6. 486

    Forward Simulation of Multi-Frequency Microwave Brightness Temperature over Desert Soils in Kuwait and Comparison with Satellite Observations by AlJassar, Hala K, Temimi, Marouane, Entekhabi, Dara, Petrov, Peter, AlSarraf, Hussain, Kokkalis, Panagiotis, Roshni, Nair

    Published 2021
    “…Such error could be due to the performance of the dielectric mixing model, soil moisture sampling depth and the impact of parametrization of effective temperature and roughness.…”
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    Article
  7. 487

    TESS discovery of a sub-Neptune orbiting a mid-M dwarf TOI-2136 by De Wit, Julian, Seager, Sara, Ricker, George

    Published 2023
    “…The host star is located 33 pc away with a radius of R* = 0.34 ± 0.02 R⊙, a mass of $0.34\pm 0.02 \, \mathrm{M}_{\odot }$, and an effective temperature of 3342 ± 100 K. We estimate its stellar rotation period to be 75 ± 5 d based on archival long-term photometry. …”
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    Article
  8. 488
  9. 489

    The Most Metal-Poor Stars. I. Discovery, Data, and Atmospheric Parameters by Frebel, Anna L., Norris, John E., Bessell, M. S., Yong, David, Christlieb, N., Barklem, P. S., Asplund, M., Murphy, Simon J., Beers, Timothy C., Ryan, S. G.

    Published 2013
    “…We have determined the atmospheric parameters, effective temperature (T [subscript eff]), and surface gravity (log g), which are critical in the determination of the chemical abundances and the evolutionary status of these stars. …”
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    Article
  10. 490

    MEASUREMENTS OF STELLAR INCLINATIONS FOR KEPLER PLANET CANDIDATES. II. CANDIDATE SPIN-ORBIT MISALIGNMENTS IN SINGLE- AND MULTIPLE-TRANSITING SYSTEMS by Hirano, Teruyuki, Takeda, Yoichi, Narita, Norio, Takahashi, Yasuhiro H., Sanchis Ojeda, Roberto, Winn, Joshua Nathan

    Published 2014
    “…Those same spectra were used to determine the star's photospheric parameters (effective temperature, surface gravity, metallicity), which were then interpreted with stellar-evolutionary models to determine stellar radii. …”
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    Article
  11. 491

    SDSS-IV MaStar: [α/Fe] for the MaNGA Stellar Library from synthetic model spectra by Hill, L, Thomas, D, Maraston, C, Yan, R, Lazarz, D, Chen, Y-P, Stringfellow, GS, Cappellari, M, Holtzman, JA, Imig, J, Bizyaev, D, Law, DR, Stassun, KG, Drory, N

    Published 2022
    “…<p>We calculate the &alpha;-enhancement ratio [&alpha;/Fe] for the Mapping Nearby Galaxies at APO (MaNGA) Stellar Library (MaStar) while also fitting for the fundamental atmospheric parameters effective temperature, surface gravity, and metallicity &ndash;&nbsp;<em>T</em><sub>eff</sub>, log&nbsp;<em>g</em>, [Fe/H]. …”
    Journal article
  12. 492

    Distance determination for RAVE stars using stellar models by Breddels, M, Smith, M, Helmi, A, Bienaymé, O, Binney, J, Bland-Hawthorn, J, Boeche, C, Burnett, B, Campbell, R, Freeman, K, Gibson, B, Gilmore, G, Grebel, E, Munari, U, Navarro, J, Parker, Q, Seabroke, G, Siebert, A, Siviero, A, Steinmetz, M, Watson, F, Williams, M, Wyse, R, Zwitter, T

    Published 2010
    “…Methods: We used stellar models combined with atmospheric properties from RAVE (effective temperature, surface gravity and metallicity) and (J - Ks) photometry from archival sources to derive absolute magnitudes. …”
    Journal article
  13. 493

    The Radial Velocity Experiment (RAVE): Fifth data release by Kunder, A, Kordopatis, G, Steinmetz, M, Zwitter, T, McMillan, P, Casagrande, L, Enke, H, Wojno, J, Valentini, M, Chiappini, C, Matijevič, G, Siviero, A, de Laverny, P, Recio-Blanco, A, Bijaoui, A, Wyse, R, Binney, J, Grebel, E, Helmi, A, Jofre, P, Antoja, T, Gilmore, G, Siebert, A, Famaey, B, Bienaymé, O, Gibson, B, Freeman, K, Navarro, J, Munari, U, Seabroke, G, Anguiano, B, Žerjal, M, Minchev, I, Reid, W, Bland-Hawthorn, J, Kos, J, Sharma, S, Watson, F, Parker, Q, Scholz, R, Burton, D, Cass, P, Hartley, M, Fiegert, K, Stupar, M, Ritter, A, Hawkins, K, Gerhard, O, Chaplin, W, Davies, G, Elsworth, Y, Lund, M, Miglio, A, Mosser, B

    Published 2017
    “…For our main DR5 catalog, stellar parameters (effective temperature, surface gravity, and overall metallicity) are computed using the RAVE DR4 stellar pipeline, but calibrated using recent K2 Campaign 1 seismic gravities and Gaia benchmark stars, as well as results obtained from high-resolution studies. …”
    Journal article
  14. 494

    Spatial Temporal Analysis of Urban Heat Hazard on Education Area (University of Indonesia by Wibowo, Adi, Salleh, Khairulmaini Osman, Wibowo, Adi

    Published 2017
    “…The objective of this study is to examine UHS as an Urban Heat Hazard (UHH) based on Universal Temperature Climate Index (UTCI) and Effective Temperature Index (ETI) in University of Indonesia. …”
    Article
  15. 495

    Study of Urea Based Selective Non-Catalytic Reduction of NOx in Small Scale Comburtion by Khandoker, Abul Hossain

    Published 2004
    “…Apart from this improvement, in the additive case, the effective temperature window as well as peak temperature of NOx reduction shifted towards lower temperatures. …”
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    Thesis
  16. 496

    The Optical to Infrared Extinction Law of Magellanic Clouds Based on Red Supergiants and Classical Cepheids by Shu Wang, Xiaodian Chen

    Published 2023-01-01
    “…We establish the effective temperature–intrinsic color relations for RSG stars and determine the color excess ratio (CER) E ( λ − G _RP )/ E ( G _BP − G _RP ) for the LMC and SMC. …”
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    Article
  17. 497

    A critical review of the two-temperature theory and the derivation of matrix elements. High field ion mobility and energy calculation for all-atom structures in light gases using a... by Viraj D. Gandhi, Leyan Hua, Xuemeng Chen, Mohsen Latif, Carlos Larriba-Andaluz

    Published 2023-08-01
    “…In particular, a discussion is brought forth on the choice of the base temperature and its relation to both the effective temperature and the drift velocity of the ion. …”
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    Article
  18. 498
  19. 499

    Absolute Properties of the Oscillating Eclipsing Algol X Trianguli by Jae Woo Lee, Kyeongsoo Hong, Jang-Ho Park, Marek Wolf, Dong-Jin Kim

    Published 2023-01-01
    “…From the echelle spectra, the radial velocities of the eclipsing pair were measured, and the rotational rate and effective temperature of the primary star were obtained to be v _1 sin i = 84 ± 6 km s ^−1 and T _eff,1 = 7900 ± 110 K, respectively. …”
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    Article
  20. 500

    Autler–Townes splitting in the trap-loss fluorescence spectroscopy due to single-step direct Rydberg excitation of cesium cold atomic ensemble by Xin Wang, Xiaokai Hou, Feifei Lu, Rui Chang, Lili Hao, Wenjing Su, Jiandong Bai, Jun He, Junmin Wang

    Published 2023-03-01
    “…Based on the trap-loss spectroscopy technology, the Autler–Townes (AT) splitting due to a strong cooling laser is observed, and the parameter dependence of the AT splitting interval of trap-loss spectroscopy is investigated. The effective temperature of cold atoms is measured by using simplified time-of-flight fluorescence imaging. …”
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    Article