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Searching for planetary nebulae at the Galactic halo via J-PAS

  • Denise R. Gonçalves (a1), T. Aparício-Villegas (a2) (a3), S. Akras (a1), A. Cortesi (a4), M. Borges-Fernandes (a2), S. Daflon (a2), C. B. Pereira (a2), S. Lorenz-Martins (a1), W. Marcolino (a1), A. Kanaan (a5), K. Viironen (a6), C. Mendes de Oliveira (a4), A. Molino (a4), A. Ederoclite (a6) and the J-PAS Collaboration...

Abstract

The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) is a narrow-band imaging, very wide field cosmological survey. It will last 5 years and will observe 8500 sq. deg. of the sky. There will be 54 contiguous narrow-band filters of 145Å FWHM, from 3,500 to 10,000Å. Two broad-band filters will be added at the extremes, UV and IR, plus the 3–g, r, and i– SDSS filters. Thus, J-PAS can be an important tool to search for new planetary nebulae (PNe) at the halo, increasing their numbers, because only 14 of them have been convincingly identified in the literature. Halo PNe are able to reveal precious information for the study of stellar evolution and the early chemical conditions of the Galaxy. The characteristic low continuum and intense emission lines of PNe make them good objects to be searched by J-PAS. Though covering a significantly smaller sky area, data from the ALHAMBRA survey were used to test our J-PAS strategy to search for PNe. Our first results are shown in this contribution.

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References

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Searching for planetary nebulae at the Galactic halo via J-PAS

  • Denise R. Gonçalves (a1), T. Aparício-Villegas (a2) (a3), S. Akras (a1), A. Cortesi (a4), M. Borges-Fernandes (a2), S. Daflon (a2), C. B. Pereira (a2), S. Lorenz-Martins (a1), W. Marcolino (a1), A. Kanaan (a5), K. Viironen (a6), C. Mendes de Oliveira (a4), A. Molino (a4), A. Ederoclite (a6) and the J-PAS Collaboration...

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