97 citations · 1.3k across the 112 of their papers we have counts for
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Planetary nebulae with Wolf-Rayet-type central stars -- IV. NGC 1501 and its mixing layer
G. Rubio, J. Toalá, H. Todt +4
Theory predicts that the temperature of the X-ray-emitting gas (10 K) detected from planetary nebulae (PNe) is a consequence of mixing or thermal conduction when in con…
QU Vul: An Integral Field Spectroscopy Case Study of a Nova Shell
E. Santamaría, M. A. Guerrero, J. A. Toalá +2
We present GTC MEGARA high-dispersion integral field spectroscopic observations of the nova remnant QU\,Vul, which provide a comprehensive 3D view of this nova shell. The tomograph…
Adjusting the bow-tie: A morpho-kinematic study of NGC40
J. B. Rodríguez-González, J. A. Toalá, L. Sabin +4
We present a comprehensive study of the ionization structure and kinematics of the planetary nebula (PN) NGC40 (a.k.a. the Bow-tie Nebula). A set of narrow-band images obtained wit…
The common envelope origins of the fast jet in the planetary nebula M 3-38
J. S. Rechy-García, J. A. Toalá, M. A. Guerrero +3
We present the analysis of Multi-Espectrógrafo en GTC de Alta Resolución para Astronomía (MEGARA) high-dispersion integral field spectroscopic observations of the bipolar planetary…
Spectral variability of the born-again ejecta in A 58
Borja Montoro Molina, Martín A. Guerrero, Jesús A. Toalá +1
Born-again planetary nebulae (PNe) allow investigating stellar evolution, dust production, and nebular shocks in human timescales. Here we present an analysis of multi-epoch optica…
Catching the Butterfly and the Homunculus of Carinae with ALMA
Luis A. Zapata, Laurent Loinard, Manuel Fernández-López +7
The nature and origin of the molecular gas component located in the circumstellar vicinity of Carinae are still far from being completely understood. Here, we present Atacama L…
Multiple variability time-scales of the early nitrogen-rich Wolf-Rayet star WR7
J. A. Toalá, D. Bowman, T. Van Reeth +7
We present the analysis of the optical variability of the early, nitrogen-rich Wolf-Rayet (WR) star WR7. The analysis of multi-sector Transiting Exoplanet Survey Satellite (TESS) l…
And then they were two: detection of non-thermal radio emission from the bow shocks of two runaway stars
M. Moutzouri, J. Mackey, C. Carrasco González +7
Winds from massive stars have recently been deemed promising sites for investigating relativistic particle acceleration. Particularly, the resulting bow shock from the interaction…
3D mapping of the Wolf-Rayet nebula M1-67: clues for post-common envelope evolution in massive stars
S. Zavala, J. A. Toalá, E. Santamarí +5
We present a 3D mapping of the Wolf-Rayet (WR) nebula M1-67 around WR124. We obtained high-resolution San Pedro Mártir (SPM) Manchester Echelle Spectrograph (MES) observations alon…
Common envelope evolution in born-again planetary nebulae -- Shaping the H-deficient ejecta of A30
J. B. Rodríguez-González, E. Santamaría, J. A. Toalá +7
Born-again planetary nebulae (PNe) are extremely rare cases in the evolution of solar-like stars. It is commonly accepted that their central stars (CSPN) experienced a very late th…
Chemistry and physical properties of the born-again planetary nebula HuBi 1
B. Montoro-Molina, M. A. Guerrero, B. Pérez-Díaz +4
The central star of the planetary nebula (PN) HuBi\,1 has been recently proposed to have experienced a very late thermal pulse (VLTP), but the dilution of the emission of the recen…