NIRPS is a new fiber-fed high spectral resolution (~80k) spectrograph assisted by adaptive optics installed on the 3.6m telescope of ESO at LaSilla, Chile. Operated simultaneously with HARPS, NIRPS covers the Y, J, and H bands. The commissioning phase demonstrated high stability for time-series observations along precise radial velocities reaching
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Además ofrece acceso al repositorio de preprints del IAC: https://research.iac.es/preprints/l
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First light and results for atmospheric characterization with The Near Infra-Red Planet Searcher (NIRPS)Allart, Romain et al.42024
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Light new physics in B →K<SUP>(*)</SUP>ν ν ¯ ?
The study of the rare decays B →K (*)ν ν ¯ offers a window into the dynamics operating at the electroweak scale, allowing studies of the Standard Model and searches for heavy new physics. However, the analysis of these decays is also potentially sensitive to the on shell production of new light bosons X through the process B →K (*)X . In particular
Altmannshofer, Wolfgang et al.Fecha de publicación:
42024 -
Lyman continuum leaker candidates at z ∼ 3-4 in the HDUV based on a spectroscopic sample of MUSE LAEs
Context. In recent years, a number of Lyman continuum (LyC) leaker candidates have been found at intermediate redshifts, providing insight into how the Universe was reionised at early cosmic times. There are now around 100 known LyC leakers at all redshifts, which enables us to analyse their properties statistically. Aims: Here, we identify new LyC
Kerutt, J. et al.Fecha de publicación:
42024 -
Measuring the Masses of the TOI-700 Planets with ESPRESSO
Over the past three decades, astronomers have discovered that small, rocky planets in temperate orbits are common around our neighboring stars. Whether or not these planets can maintain atmospheres is an open question in the field. Recently, considerable attention in this search has been focused on M dwarfs stars, as their small sizes make it
Gilbert, Emily et al.Fecha de publicación:
42024 -
MIGHTEE-H I: H I galaxy properties in the large-scale structure environment at z 0.37 from a stacking experiment
We present the first measurement of H I mass of star-forming galaxies in different large scale structure environments from a blind survey at z ~ 0.37. In particular, we carry out a spectral line stacking analysis considering 2875 spectra of colour-selected star-forming galaxies undetected in H I at 0.23 < z < 0.49 in the COSMOS field, extracted
Sinigaglia, Francesco et al.Fecha de publicación:
42024 -
Nodal Precession of a Hot Jupiter Transiting the Edge of a Late A-Type Star TOI-1518
TOI-1518b, a hot Jupiter around a late A-type star, is one of the few planetary systems that transit the edge of the stellar surface (the impact parameter b~0.9) among hot Jupiters around hot stars (Cabot et al. 2021). The host star's high rotation speed (Vsini s~85 km s -1) and the planet's nearly polar orbit (λ~120 deg) may cause a nodal
Watanabe, Noriharu et al.Fecha de publicación:
42024