Comprehensive study of the Galactic Planetary Nebula NGC 2792

Snaid, S.; Ali, A.; Alruhaili, Aied

doi:10.1007/s10509-023-04218-x

Cited by 2 publications

(2 citation statements)

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“…Over the last 2 decades, various authors have delved into IFU spectra of Galactic PNe. Notably, our research group has published a series of papers discussing IFU spectroscopy of PNe utilizing the Wide Field Spectrograph (WiFeS) instrument, with examples including Ali et al (2015), Basurah et al (2016), Dopita et al (2017), Dopita (2019), andSnaid et al (2023). A review of the existing literature reveals a substantial body of IFU studies conducted on numerous PNe, as demonstrated by the works of Monreal-Ibero et al (2005), Tsamis et al (2007), Danehkar et al (2013), García-Rojas et al (2022) and Mari et al (2023).…”

Section: Introductionmentioning

confidence: 99%

Reviews in astronomy and space sciences

2024

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Section: Introductionmentioning

confidence: 99%

Reviews in astronomy and space sciences

2024

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Exploring the high abundance discrepancy in the planetary nebula IC 4663

Mohery,

Ali,

Khames

et al. 2023

Front. Astron. Space Sci.

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This article presents an in-depth analysis of integral field unit spectroscopy performed on the Galactic planetary nebula (PN) IC 4663, with a primary focus on investigating its physical characteristics, chemical composition, and morphological properties. The examination involved the utilization of a series of emission-line maps representing various elements and ionization zones, allowing for a comprehensive assessment of morphological and ionization structure of IC 4663. The majority of these maps depict an overall elliptical shape, featuring a relatively faint core at the center. Emanating from this core are two distinct and illuminated lobes extending in opposite directions, forming a conspicuous double-lobed configuration. The chemical analysis conducted on IC 4663 has revealed that the PN is rich in both helium and nitrogen, characterized by an N/O ratio exceeding 0.5, classifying it as a Peimbert type I nebula. Furthermore, the presence of a notably intense He II emission line at λ4686, in conjunction with the existence of high-excitation lines within the nebular spectrum, indicate its classification as a high-excitation class nebula. The computation of O2+, N2+, and N3+ through optical recombination lines has unveiled extreme abundance discrepancy factors, with values of 39.0 ± 6 for O2+ and 37.0 ± 9 for N2+ and N3+. These findings suggest the possibility that the central star of IC 4663 may be part of a binary system with a sub-stellar companion, potentially engaged in a common envelope interaction. Recent astrometric data derived from the Gaia mission further indicate a significant likelihood of interaction between the asymptotic giant branch halo of the PN and its surrounding interstellar medium, particularly in the southeast direction.

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Comprehensive study of the Galactic Planetary Nebula NGC 2792

Cited by 2 publications

References 59 publications

Reviews in astronomy and space sciences

Reviews in astronomy and space sciences

Exploring the high abundance discrepancy in the planetary nebula IC 4663

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