81 citations · 791 across the 39 of their papers we have counts for
39 papers
Integral field spectroscopy of the planetary nebula NGC 3242 and the puzzling nature of its low ionization structures
L. Konstantinou, S. Akras, J. Garcia-Rojas +7
The physico-chemical properties of the planetary nebula (PN) NGC 3242 are investigated in both 1D and 2D, using Integral Field Unit (IFU) data. This PN has a complex morphology wit…
Detection of the [C I] 8727 emission line. Low-ionization structures in NGC 7009
Stavros Akras, Hektor Monteiro, Jeremy R. Walsh +5
We report the first spatially resolved detection of the near-infrared [C I] 8727 emission from the outer pair of low-ionization structures in the planetary nebula NGC 7009 from…
Planetary Nebula NGC 2818: Revealing its complex 3D morphology
Sophia Derlopa, Stavros Akras, Philippe Amram +3
We carry out an advanced morpho-kinematic analysis of the Planetary Nebula (PN) NGC 2818, whose complex morphology is described by a basic bipolar component, filamentary structures…
Two shell- and wing-shaped supernova remnants. Investigating the molecular environments around VRO 42.05.01 and G 350.0-2.0
Maria Arias, Ping Zhou, Alexandros Chiotellis +6
Supernova remnants (SNRs) are profoundly affected by their ambient medium. We present carbon monoxide (CO) observations around two mixed morphology SNRs, VRO 42.05.01 and G 350.0-2…
The Hubble/STIS Near-ultraviolet Transmission Spectrum of HD 189733b
Patricio E. Cubillos, Luca Fossati, Tommi Koskinen +5
The benchmark hot Jupiter HD 189733b has been a key target to lay out the foundations of comparative planetology for giant exoplanets. As such, HD 189733b has been extensively stud…
The messy death of a multiple star system and the resulting planetary nebula as observed by JWST
Orsola De Marco, Muhammad Akashi, Stavros Akras +66
Planetary nebulae (PNe), the ejected envelopes of red giant stars, provide us with a history of the last, mass-losing phases of 90 percent of stars initially more massive than the…