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hits: 209
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  • Detection of sporadic impac... Detection of sporadic impact flashes on the Moon: Implications for the luminous efficiency of hypervelocity impacts and derived terrestrial impact rates
    Ortiz, J.L.; Aceituno, F.J.; Quesada, J.A. ... Icarus (New York, N.Y. 1962), 10/2006, Volume: 184, Issue: 2
    Journal Article
    Peer reviewed

    We present the first redundant detection of sporadic impact flashes on the Moon from a systematic survey performed between 2001 and 2004. Our wide-field lunar monitoring allows us to estimate the ...
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  • Characterization of High-po... Characterization of High-polarization Stars and Blazars with DIPOL-1 at Sierra Nevada Observatory
    Otero-Santos, J.; Piirola, V.; Escudero Pedrosa, J. ... The Astronomical journal, 03/2024, Volume: 167, Issue: 3
    Journal Article
    Peer reviewed
    Open access

    Abstract We report here the performance and first results of the new multiband optical polarimeter DIPOL-1, installed at the Sierra Nevada Observatory 90 cm T90 telescope (SNO, Granada, Spain). ...
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  • Lunar impact flashes from G... Lunar impact flashes from Geminids: analysis of luminous efficiencies and the flux of large meteoroids on Earth
    Ortiz, J. L; Madiedo, J. M; Morales, N ... Monthly Notices of the Royal Astronomical Society, 11/2015, Volume: 454, Issue: 1
    Journal Article
    Peer reviewed
    Open access

    We analyse lunar impact flashes recorded by our team during runs in December 2007, 2011, 2013 and 2014. In total, 12 impact flashes with magnitudes ranging between 7.1 and 9.3 in V band were ...
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  • Multiple water band detecti... Multiple water band detections in the CARMENES near-infrared transmission spectrum of HD 189733 b
    Alonso-Floriano, F. J.; Sánchez-López, A.; Snellen, I. A. G. ... Astronomy and astrophysics (Berlin), 01/2019, Volume: 621
    Journal Article
    Peer reviewed
    Open access

    Aims. We explore the capabilities of CARMENES for characterising hot-Jupiter atmospheres by targeting multiple water bands, in particular, those at 1.15 and 1.4 μm. Hubble Space Telescope ...
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  • Flow-induced vibrations of ... Flow-induced vibrations of a hinged cavity at the rear of a blunt-based body subject to laminar flow
    Jiménez-González, J.I.; García-Baena, C.; Aceituno, J.F. ... Journal of sound and vibration, 03/2021, Volume: 495
    Journal Article
    Peer reviewed

    We perform numerical simulations to characterize the flow-induced vibrations (FIV) of a rear cavity with elastically hinged rigid plates, placed as a passive device at the base of a blunt body that ...
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  • THE MISSION ACCESSIBLE NEAR... THE MISSION ACCESSIBLE NEAR-EARTH OBJECTS SURVEY (MANOS): FIRST PHOTOMETRIC RESULTS
    Thirouin, A.; Moskovitz, N.; Binzel, R. P. ... The Astronomical journal, 12/2016, Volume: 152, Issue: 6
    Journal Article
    Peer reviewed
    Open access

    ABSTRACT The Mission Accessible Near-Earth Objects Survey aims to physically characterize sub-km near-Earth objects (NEOs). We report the first photometric results from the survey that began in 2013 ...
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  • The CARMENES search for exo... The CARMENES search for exoplanets around M dwarfs: Two planets on opposite sides of the radius gap transiting the nearby M dwarf LTT 3780
    Nowak, G.; Luque, R.; Parviainen, H. ... Astronomy and astrophysics (Berlin), 10/2020, Volume: 642, Issue: A173
    Journal Article, Web Resource
    Peer reviewed
    Open access

    We present the discovery and characterisation of two transiting planets observed by the Transiting Exoplanet Survey Satellite (TESS) orbiting the nearby (d⋆ ≈ 22 pc), bright (J ≈ 9 mag) M3.5 dwarf ...
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  • Discovery and mass measurem... Discovery and mass measurement of the hot, transiting, Earth-sized planet, GJ 3929 b
    Kemmer, J.; Dreizler, S.; Kossakowski, D. ... Astronomy & astrophysics, 03/2022, Volume: 659
    Journal Article
    Peer reviewed
    Open access

    We report the discovery of GJ 3929 b, a hot Earth-sized planet orbiting the nearby M3.5 V dwarf star, GJ 3929 (G 180-18, TOI-2013). Joint modelling of photometric observations from TESS sectors 24 ...
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  • Stellar activity analysis o... Stellar activity analysis of Barnard’s Star: very slow rotation and evidence for long-term activity cycle
    Toledo-Padrón, B; González Hernández, J I; Rodríguez-López, C ... Monthly notices of the Royal Astronomical Society, 10/2019, Volume: 488, Issue: 4
    Journal Article
    Peer reviewed

    Abstract The search for Earth-like planets around late-type stars using ultrastable spectrographs requires a very precise characterization of the stellar activity and the magnetic cycle of the star, ...
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  • Short-term variability of a... Short-term variability of a sample of 29 trans-Neptunian objects and Centaurs
    Thirouin, A.; Ortiz, J. L.; Duffard, R. ... Astronomy & astrophysics, 11/2010, Volume: 522
    Journal Article
    Peer reviewed
    Open access

    Aims. We attempt to increase the number of trans-Neptunian objects (TNOs) whose short-term variability has been studied and compile a high quality database with the least possible biases, which may ...
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