97 citations · 1.3k across the 112 of their papers we have counts for
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astro-ph.SR2013★ 16 cited
X-ray Emission from the Wolf-Rayet Bubble NGC 6888. I. Chandra ACIS-S Observations
J. A. Toalá, M. A. Guerrero, R. A. Gruendl +1
We analyze Chandra observations of the Wolf-Rayet (WR) bubble NGC 6888. This WR bubble presents similar spectral and morphological X-ray characteristics to those of S 308, the only…
astro-ph.SR2013★ 18 cited
Absence of hot gas within the Wolft-Rayet Bubble around WR16
J. A. Toalá, M. A. Guerrero
We present the analysis of XMM-Newton archival observations towards the Wolf-Rayet (WR) bubble around WR16. Despite the closed bubble morphology of this WR nebula, the XMM-Newton o…
astro-ph.SR2013★ 32 cited
Unveiling shocks in planetary nebulae
M. A. Guerrero, J. A. Toalá, J. J. Medina +4
The propagation of a shock wave into a medium is expected to heat the material beyond the shock, producing noticeable effects in intensity line ratios such as [O III]/Halpha. To in…