The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition. (arXiv:1904.04907v1 [astro-ph.IM])

The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition. (arXiv:1904.04907v1 [astro-ph.IM])
The <a href="http://arxiv.org/find/astro-ph/1/au:+Team_MSE_Science/0/1/0/all/0/1">MSE Science Team</a>: <a href="http://arxiv.org/find/astro-ph/1/au:+Babusiaux_C/0/1/0/all/0/1">Carine Babusiaux</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bergemann_M/0/1/0/all/0/1">Maria Bergemann</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Burgasser_A/0/1/0/all/0/1">Adam Burgasser</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ellison_S/0/1/0/all/0/1">Sara Ellison</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Haggard_D/0/1/0/all/0/1">Daryl Haggard</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Huber_D/0/1/0/all/0/1">Daniel Huber</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kaplinghat_M/0/1/0/all/0/1">Manoj Kaplinghat</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Li_T/0/1/0/all/0/1">Ting Li</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Marshall_J/0/1/0/all/0/1">Jennifer Marshall</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Martell_S/0/1/0/all/0/1">Sarah Martell</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+McConnachie_A/0/1/0/all/0/1">Alan McConnachie</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Percival_W/0/1/0/all/0/1">Will Percival</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Robotham_A/0/1/0/all/0/1">Aaron Robotham</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Shen_Y/0/1/0/all/0/1">Yue Shen</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Thirupathi_S/0/1/0/all/0/1">Sivarani Thirupathi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tran_K/0/1/0/all/0/1">Kim-Vy Tran</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Yeche_C/0/1/0/all/0/1">Christophe Yeche</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Yong_D/0/1/0/all/0/1">David Yong</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Adibekyan_V/0/1/0/all/0/1">Vardan Adibekyan</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Aguirre_V/0/1/0/all/0/1">Victor Silva Aguirre</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Angelou_G/0/1/0/all/0/1">George Angelou</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Asplund_M/0/1/0/all/0/1">Martin Asplund</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Balogh_M/0/1/0/all/0/1">Michael Balogh</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Banerjee_P/0/1/0/all/0/1">Projjwal Banerjee</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bannister_M/0/1/0/all/0/1">Michele Bannister</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Barria_D/0/1/0/all/0/1">Daniela Barría</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Battaglia_G/0/1/0/all/0/1">Giuseppina Battaglia</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bayo_A/0/1/0/all/0/1">Amelia Bayo</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bechtol_K/0/1/0/all/0/1">Keith Bechtol</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Beck_P/0/1/0/all/0/1">Paul G. Beck</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Beers_T/0/1/0/all/0/1">Timothy C. Beers</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bellinger_E/0/1/0/all/0/1">Earl P. Bellinger</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Berg_T/0/1/0/all/0/1">Trystyn Berg</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bestenlehner_J/0/1/0/all/0/1">Joachim M. Bestenlehner</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bilicki_M/0/1/0/all/0/1">Maciej Bilicki</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bitsch_B/0/1/0/all/0/1">Bertram Bitsch</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bland_Hawthorn_J/0/1/0/all/0/1">Joss Bland-Hawthorn</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bolton_A/0/1/0/all/0/1">Adam S. Bolton</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Boselli_A/0/1/0/all/0/1">Alessandro Boselli</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bovy_J/0/1/0/all/0/1">Jo Bovy</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bragaglia_A/0/1/0/all/0/1">Angela Bragaglia</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Buzasi_D/0/1/0/all/0/1">Derek Buzasi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Caffau_E/0/1/0/all/0/1">Elisabetta Caffau</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cami_J/0/1/0/all/0/1">Jan Cami</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Carleton_T/0/1/0/all/0/1">Timothy Carleton</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Casagrande_L/0/1/0/all/0/1">Luca Casagrande</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cassisi_S/0/1/0/all/0/1">Santi Cassisi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Catelan_M/0/1/0/all/0/1">Márcio Catelan</a>, et al. (215 additional authors not shown)

(Abridged) The Maunakea Spectroscopic Explorer (MSE) is an end-to-end science
platform for the design, execution and scientific exploitation of spectroscopic
surveys. It will unveil the composition and dynamics of the faint Universe and
impact nearly every field of astrophysics across all spatial scales, from
individual stars to the largest scale structures in the Universe. Major pillars
in the science program for MSE include (i) the ultimate Gaia follow-up facility
for understanding the chemistry and dynamics of the distant Milky Way,
including the outer disk and faint stellar halo at high spectral resolution
(ii) galaxy formation and evolution at cosmic noon, via the type of
revolutionary surveys that have occurred in the nearby Universe, but now
conducted at the peak of the star formation history of the Universe (iii)
derivation of the mass of the neutrino and insights into inflationary physics
through a cosmological redshift survey that probes a large volume of the
Universe with a high galaxy density. MSE is positioned to become a critical hub
in the emerging international network of front-line astronomical facilities,
with scientific capabilities that naturally complement and extend the
scientific power of Gaia, the Large Synoptic Survey Telescope, the Square
Kilometer Array, Euclid, WFIRST, the 30m telescopes and many more.

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