The Environments of Green Pea Galaxies. II. The Hα Dot Sample

Abstract We use spectroscopic redshifts obtained with the WIYN 3.5 m telescope to study the local galactic environment around 18 Green Pea (GP) galaxies. Our sample of GPs were discovered in the H α Dot Survey via their [O iii ] λ 5007 emission and span the redshift range 0.32 < z < 0.34. We present the environmental analyses near the location of the H α Dot GPs. We utilize three different density estimators, chosen based on the geometry of the redshift survey data within the H α Dot GP fields. We classify each H α Dot GP into an environment category, from extremely isolated to highly clustered. We find that our entire sample of H α Dot GPs reside in extremely isolated or low-density environments, with none located in the intermediate- to high-density regimes. We interpret this to indicate that major mergers and interactions do not drive the activity seen in these galaxies.

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Publication Details

Journal
The Astrophysical Journal
Published
2024-12-01
DOI
https://doi.org/10.3847/1538-4357/ad8b4e
Citations
3
Primary Topic
Astronomy and Astrophysical Research
Type
article
Field-Weighted Citation Impact
1.52

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article

The Environments of Green Pea Galaxies. II. The Hα Dot Sample

John J. Salzer, Samantha W. Brunker, Brooke Kimsey-Miller
3 citations
The Astrophysical Journal
Astronomy and Astrophysical Research
1.52
article

The Environments of Green Pea Galaxies. II. The Hα Dot Sample

John J. Salzer, Samantha W. Brunker, Brooke Kimsey-Miller
article en
3 citations

Abstract

Abstract We use spectroscopic redshifts obtained with the WIYN 3.5 m telescope to study the local galactic environment around 18 Green Pea (GP) galaxies. Our sample of GPs were discovered in the H α Dot Survey via their [O iii ] λ 5007 emission and span the redshift range 0.32 < z < 0.34. We present the environmental analyses near the location of the H α Dot GPs. We utilize three different density estimators, chosen based on the geometry of the redshift survey data within the H α Dot GP fields. We classify each H α Dot GP into an environment category, from extremely isolated to highly clustered. We find that our entire sample of H α Dot GPs reside in extremely isolated or low-density environments, with none located in the intermediate- to high-density regimes. We interpret this to indicate that major mergers and interactions do not drive the activity seen in these galaxies.

The Astrophysical JournalVol. 977(1)
Indiana University Bloomington (US)
Smithsonian Institution, U.S. Department of Energy, Alfred P. Sloan Foundation, Yale University, Carnegie Institution of Washington, Vanderbilt University, Ohio State University, University of Utah, University of Washington, Johns Hopkins University, Carnegie Mellon University, University of Notre Dame, University of Portsmouth, New Mexico State University, York University, University of Oxford, Ministério da Ciência, Tecnologia e Inovação, Universidad Nacional Autónoma de México, Max-Planck-Institut für Astrophysik, Max-Planck-Institut für Astronomie, Instituto de Astrofísica de Canarias, Office of Science, University of Colorado Boulder, Indiana University Bloomington, Leibniz-Gemeinschaft, Lawrence Berkeley National Laboratory
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Openalex Percentile: Top 14%
Astronomy and Astrophysical Research
1.52
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