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Sökning: WFRF:(Pinter M)

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  • Mallorquin, M., et al. (författare)
  • TOI-1801 b: A temperate mini-Neptune around a young M0.5 dwarf
  • 2023
  • Ingår i: Astronomy and Astrophysics. - 0004-6361 .- 1432-0746. ; 680
  • Tidskriftsartikel (refereegranskat)abstract
    • We report the discovery, mass, and radius determination of TOI-1801 b, a temperate mini-Neptune around a young M dwarf. TOI-1801 b was observed in TESS sectors 22 and 49, and the alert that this was a TESS planet candidate with a period of 21.3 days went out in April 2020. However, ground-based follow-up observations, including seeing-limited photometry in and outside transit together with precise radial velocity (RV) measurements with CARMENES and HIRES revealed that the true period of the planet is 10.6 days. These observations also allowed us to retrieve a mass of 5.74 +/- 1.46 M-circle plus, which together with a radius of 2.08 +/- 0.12 R-circle plus, means that TOI-1801 b is most probably composed of water and rock, with an upper limit of 2% by mass of H-2 in its atmosphere. The stellar rotation period of 16 days is readily detectable in our RV time series and in the ground-based photometry. We derived a likely age of 600-800 Myr for the parent star TOI-1801, which means that TOI-1801 b is the least massive young mini-Neptune with precise mass and radius determinations. Our results suggest that if TOI-1801 b had a larger atmosphere in the past, it must have been removed by some evolutionary mechanism on timescales shorter than 1 Gyr.
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  • Tas, E., et al. (författare)
  • Proficiency testing for conducted immunity with a new round robin test device
  • 2016
  • Ingår i: 2016 International Symposium on Electromagnetic Compatibility - EMC EUROPE. - 9781509014163 ; , s. 274-279
  • Konferensbidrag (refereegranskat)abstract
    • Last year, a new round robin test device was proposed for inter-laboratory comparisons in conducted immunity testing according to IEC 61000-4-6[1]. The device has recently been successfully evaluated among all EMRP Project partners. The device is able to confirm or to deny the testing capability of a laboratory by recording a full set of parameters. The device is now ready for deployment as the first commercial proficiency testing device for conducted immunity.
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  • Resultat 1-10 av 31

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