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Sun, Jul 21, 2024

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Astronomy & Astrophysics Seminar  (Conferences / Seminars / Lectures)

Speaker: James Guillochon

Speaker's Institution: Harvard

Seminar Title: Title: Open Catalogs for Astronomical Data
The Open Supernova Catalog is a new webpage with a collection of published observations and
metadata for presently 36,000+ supernovae (SNe) and SNe candidates. The catalog is freely
available on the web (, with its main interface having been designed to be a userfriendly,
rapidly-searchable table accessible on desktop and mobile devices. In addition to the
primary table which contains SNe metadata, an individual page is generated for each SN which
displays its metadata, light curves, and spectra. The data presented in the catalog is automatically
rebuilt on a daily basis and is constructed by parsing several dozen sources, including the data
presented in the supernova literature, i.e. "primary" sources, and from "secondary" sources such
as other web-based catalogs. Individual SN data is stored in the hierarchical, human- and
machine-readable JSON format, with the entirety of each SN's data being contained within a
single JSON file bearing its name. The setup I'll present, which is based upon open source
software maintained via git repositories hosted on GitHub, enables anyone to download the
entirety of the supernova dataset to their home computer in minutes, and to easily make
contributions of their own data back to the catalog. I'll describe how the catalog framework we
have developed will be an important pillar for supporting upcoming transient surveys.

more information...

Location: Room 1400 Biomedical and Physical Sciences Building [map]
Price: free
Sponsor: Biomedical and Physical Sciences Building
Contact: Shawna Prater
email pic