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205 papers · 1 filter
Integral field spectroscopy of HII regions in M33
Jesús López-Hernández, Elena Terlevich, Roberto Terlevich +5
Integral field spectroscopy (IFS) is presented for star forming regions in M33. A central area of 300 x 500 pc^2 and the external HII region IC 132, at a galactocentric distance {\…
Formation and evolution of the water maser outflow event in AFGL 2591 VLA 3-N
M. A. Trinidad, S. Curiel, R. Estalella +8
In this paper we analyze multi-epoch Very Long Baseline Interferometry (VLBI) water maser observations carried out with the Very Long Baseline Array (VLBA) toward the high-mass sta…
Effect of the interactions and environment on nuclear activity
J. Sabater, P. N. Best, M. Argudo-Fernández
We present a study of the prevalence of optical and radio nuclear activity with respect to the environment and interactions in a sample of SDSS galaxies. We defined a local density…
Helium in natal HII regions: the origin of the X-ray absorption in gamma-ray burst afterglows
Darach Watson, Tayyaba Zafar, Anja C. Andersen +8
Soft X-ray absorption in excess of Galactic is observed in the afterglows of most gamma-ray bursts (GRBs), but the correct solution to its origin has not been arrived at after more…
Piecing together the puzzle of NGC 5253: abundances, kinematics and WR stars
M. S. Westmoquette, B. James, A. Monreal-Ibero +1
We present Gemini-S/GMOS-IFU optical spectroscopy of four regions near the centre of the nearby (3.8 Mpc) dwarf starburst galaxy NGC 5253. This galaxy is famous for hosting a radio…
An investigation of star formation and dust attenuation in major mergers using ultraviolet and infrared data
F. -T. Yuan, T. T. Takeuchi, Y. Matsuoka +3
Merger processes play an important role in galaxy formation and evolution. To study the influence of merger processes on the evolution of dust properties and cosmic star formation…