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A Picture (or Ten) is Worth 10,000 Words: Unearthing the History of the Lenticular Galaxy NGC 3115

10 Apr 2021, 13:00 UTC
A Picture (or Ten) is Worth 10,000 Words: Unearthing the History of the Lenticular Galaxy NGC 3115
(200 words excerpt, click title or image to see full post)

Title: Recovering the origins of the lenticular galaxy NGC 3115 using multi-band imagingAuthors: Maria Luisa Buzzo, Arianna Cortesi, Jose A. Hernandez-Jimenez, Lodovico Coccato, Ariel Werle, Leandro Beraldo e Silva, Marco Grossi, Marina Vika, Carlos Eduardo Barbosa, Geferson Lucatelli, Luidhy Santana-Silva, Steven Bamford, Victor P. Debattista, Duncan A. Forbes, Roderik Overzier, Aaron J. Romanowsky, Fabricio Ferrari, Jean P. Brodie, Claudia Mendes de OliveiraFirst Author’s Institution: Universidade de São Paulo, IAG, Rua do Matão 1226, Cidade Universitária, São Paulo 05508-900, BrazilStatus: Accepted for publication in MNRAS [closed access]Galaxies come in all shapes and sizes–round, disky, smooth, spiraled, or even shaped like penguins! The two most commonly-mentioned types are spirals and ellipticals, but there also exists an intermediate between the two: the lenticular galaxy, which has a disk and a bulge like spirals, but does not have grand spiral arms. Over the years, astronomers have worked to not only classify galaxies based on their morphology, but also to understand how they form and evolve over time. While spirals and ellipticals are well studied, lenticular galaxies have one of the most enigmatic formation histories of the different galaxy types. The authors of today’s paper take on the role of galactic detectives as they try ...

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