Poster Open Access

NIRPS: the Near-InfraRed Planet Searcher joining HARPS on the 3.6-m

Grieves, Nolan

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    <subfield code="a">&lt;p&gt;The Near-InfraRed Planet Searcher (NIRPS) is designed to be an&lt;br&gt;
ultra-stable infrared spectrograph to be installed on ESO&amp;rsquo;s 3.6 m Telescope&lt;br&gt;
in La Silla, Chile. NIRPS is an adaptive optics (AO) fiber-fed spectrograph&lt;br&gt;
operating from 0.98 to 1.8 &amp;mu;m and will be operated simultaneously with the&lt;br&gt;
optical high-resolution spectrograph HARPS. NIRPS can operate in two modes&lt;br&gt;
fed by two different fiber links permanently mounted at the Cassegrain focus&lt;br&gt;
that use either 0.4 arcsecond-fibers for the High Accuracy Mode (HAM) or 0.9&lt;br&gt;
arcsecond-fibers for the High Efficiency Mode (HEM). The wavelength range of&lt;br&gt;
NIRPS is optimal for low-mass M dwarfs and the simultaneous NIRPS and HARPS&lt;br&gt;
observations will improve stellar activity filtering methods given their&lt;br&gt;
different wavelength coverages. The NIRPS front-end and AO system were&lt;br&gt;
already tested on-sky at La Silla. The spectrograph and back-end is to be&lt;br&gt;
shipped to La Silla and installed by end of 2021. Already we have adapted the&lt;br&gt;
state-of-the-art ESPRESSO data reduction pipeline for NIRPS, obtained&lt;br&gt;
accurate wavelength solutions with a Uranium Neon lamp, and obtained drift&lt;br&gt;
stability results below 50 cm/s with a Fabry&amp;ndash;P&amp;eacute;rot etalon. We discuss the&lt;br&gt;
current and expected instrument performance and the expected science results&lt;br&gt;
of NIRPS.&lt;/p&gt;</subfield>
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