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SPLUS J142445.34–254247.1: An r-process–enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST

  • Authors: Vinicius M. Placco, Felipe Almeida-Fernandes, Erika M. Holmbeck, Ian U. Roederer, Mohammad K. Mardini, Christian R. Hayes, Kim Venn, Kristin Chiboucas, Emily Deibert, Roberto Gamen, Jeong-Eun Heo, Miji Jeong, Venu Kalari, Eder Martioli, Siyi Xu, Ruben Diaz, Manuel Gomez-Jimenez, David Henderson, Pablo Prado, Carlos Quiroz, Roque Ruiz-Carmona, Chris Simpson, Cristian Urrutia, Alan W. McConnachie, John Pazder, Gregory Burley, Michael Ireland, Fletcher Waller, Trystyn A. M. Berg, J. Gordon Robertson, Zachary Hartman, David O. Jones, Kathleen Labrie, Gabriel Perez, Susan Ridgway, Joanna Thomas-Osip

Vinicius M. Placco et al 2023 The Astrophysical Journal 959 .

  • Provider: AAS Journals

Caption: Figure 1.

Top: S-PLUS magnitudes for SPLUS J1424−2542 compared to the values for SPLUS J2104−0049. Also shown are the S-PLUS filter transmission curves. The second panel from top to bottom shows the Gemini/Gemini Multi-Object Spectrograph (GMOS) spectrum, highlighting absorption features of interest. The remaining color panels show sections of the GHOST spectra and features used for the chemical abundance determinations. The 12 side panels show the S-PLUS images for SPLUS J1424−2542. The RGB colors in all panels are assigned based on the central wavelength of each filter. See text for further details.

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