The dwarf planet Makemake as seen by X-Shooter

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 11 Aug 2020Embargo end date: 01 Jan 2020 English Publisher:Oxford University Press (OUP)Journal:Monthly Notices of the Royal Astronomical Society, volume 497, pages 5,473-5,479 (issn: 0035-8711, eissn: 1365-2966,

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Authors: Alvaro Alvarez-Candal; Ana Carolina Souza-Feliciano; Walter Martins-Filho; Noemí Pinilla-Alonso; José Luis Ortiz;

doi: 10.1093/mnras/staa2329 , 10.48550/arxiv.2008.01472

arXiv: 2008.01472

handle: 10045/110601 , 10261/224334

The dwarf planet Makemake as seen by X-Shooter

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Abstract

ABSTRACT Makemake is one of the brightest known trans-Neptunian objects, as such, it has been widely observed. Nevertheless, its visibility to near-infrared spectrum has not been completely observed in medium-resolving power, aimed at studying in detail the absorption features of CH4 ice. In this paper, we present the spectrum of Makemake observed with X-Shooter at the Very Large Telescope (Chile). We analyse the detected features, measuring their location and depth. Furthermore, we compare Makemake’s spectrum with that of Eris, obtained with the same instrument and similar setup, to conclude that the bands of the CH4 ice in both objects show similar shifts.

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Keywords

Earth and Planetary Astrophysics (astro-ph.EP), Kuiper belt: individual: Makemake, Techniques: spectroscopic, FOS: Physical sciences, spectroscopic [Techniques], individual: Makemake [Kuiper belt], Methods: observational, observational [Methods], Astronomía y Astrofísica, Astrophysics - Earth and Planetary Astrophysics

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