Our mission


We want to promote the understanding of the physics and impact of the Lyman alpha line by collecting spectra from as many samples as possible and analyzing them in a homogeneous way.

More about LASD >>>
This is a beta version. The database is under heavy development and will most likely be purged regularly. We're hoping for feedback from the community: please send us an email, join our slack channel, or ping us on twitter.

LASD at a glance

Number of Spectra
332
Spectra with zsys
107
Measurements
13609
Downloadable spectra
332

News & announcements

No current news!

Explore

Analyze the data directly

You can search through, analyze and plot the data in the database right from your browser. You can browse through individual spectra as well as examine derived properties.

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Add your own data to the database

You can upload new spectra together with other ancillary measurements to the database. The spectrum is then processed and a bunch of Lyman alpha quantities are measured