Influence of Jets on [O iii] Extensions in Green Pea/Bean Galaxies

We present a study investigating the influence of jets on galaxies exhibiting strong [O iii ] λ 5007 emission, known as Green Peas and Green Beans . Our sample comprised 12 nearby sources ( z ∼ 0.04–0.1, six with jets and six without jets) with high [O iii ] luminosity ( L ∼ 10 40 erg s −1 ), select...

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Bibliographic Details
Published in:The Astrophysical journal 2024-01, Vol.960 (2), p.119
Main Authors: Bhat, Harshitha K., Eckart, Andreas, Misquitta, Persis, Valencia-S., Monica, Yttergren, Madeleine, Zensus, Anton
Format: Article
Language:English
Subjects:
Active galaxies
Astrophysics
Beans
Emission analysis
Emission line galaxies
Emission lines
Emissions
Extragalactic astronomy
Galaxies
Jets
Luminosity
Sky surveys (astronomy)
Slits
Spectroscopy
Star formation
Stars & galaxies
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Summary:We present a study investigating the influence of jets on galaxies exhibiting strong [O iii ] λ 5007 emission, known as Green Peas and Green Beans . Our sample comprised 12 nearby sources ( z ∼ 0.04–0.1, six with jets and six without jets) with high [O iii ] luminosity ( L ∼ 10 40 erg s −1 ), selected from a radio-selected galaxy sample observed with the Sloan Digital Sky Survey and Radio Sky at Twenty-centimeters survey. We perform Large Binocular Telescope–Multi-Object Double Spectrograph long-slit spectroscopy at two position angles for each galaxy: one aligned with the jet direction and another perpendicular to it. By tracing the [O iii ] emission along these slits, we aimed to assess the extension of the narrow line region and examine the impact of jets. Surprisingly, our analysis revealed no preferred direction for the extension of the [O iii ] emission, indicating that jets have a limited influence on the extended emission line regions (EELRs). This also suggests the possibility of missed detection of conical-shaped EELRs aligned with the jets, attributable to our slit orientations. Furthermore, we compared the extension of [O ii ] emission, which traces star-forming regions, with that of [O iii ]. We observed a significant difference, with [O ii ] exhibiting a considerably greater extension along the galactic plane. This suggests a stronger association of [O ii ] emission with stellar processes.
ISSN:0004-637X
1538-4357
1538-4357
DOI:10.3847/1538-4357/ad0f28