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The Lyman Alpha Spectral Database (LASD) | | Axel Runnholm
; Max Gronke
; Matthew Hayes
; | | Date: |
6 Oct 2020 | | Abstract: | Lyman $alpha$ (Ly$alpha$) emission from star-forming galaxies is an
important tool to study a large range of astrophysical questions: it has the
potential to carry information about the source galaxy, its nearby
circumgalactic medium, and also the surrounding intergalactic medium. Much
observational and theoretical work has therefore focused on understanding the
details of this emission line. These efforts have been hampered, however, by an
absence of spectroscopic reference samples that can be used both as comparisons
for observational studies and as critical tests for theoretical work. For this
reason we have compiled a large sample of Ly$alpha$ spectra, at both low and
high redshift, and created a publicly available online database, at
this http URL The Lyman alpha Spectral Database (LASD) hosts
these spectra, as well as large set of spectral and kinematic quantities that
have been homogeneously measured for the entire sample. These can easily be
viewed online and downloaded in tabular form. The LASD has the capacity for
users to easily upload their own Ly$alpha$ spectra, and all the same spectral
measurements will be made, reported, and ingested into the database. We
actively invite the community to do so, and the LASD is intended to be a
long-term community resource. In this paper we present the design of the
database as well as descriptions of the underlying algorithms and the initial
Ly$alpha$ emitter samples that are in the database. | | Source: | arXiv, 2010.02927 | | Services: | Forum | Review | PDF | Favorites | |
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