Radiative transfer (RT) problems in which the source function includes a scattering-like integral are typical two-points boundary problems. Their solution via...
-
PublicationAn improved version of the implicit integral method to solving radiative transfer problems
-
PublicationAn Infrared Census of DUST in Nearby Galaxies with Spitzer (DUSTiNGS). IV. Discovery of High-redshift AGB Analogs
The survey for DUST in Nearby Galaxies with Spitzer (DUSTiNGS) identified several candidate Asymptotic Giant Branch (AGB) stars in nearby dwarf galaxies and...
-
PublicationAn Infrared Diffuse Circumstellar Band? The Unusual 1.5272 Micron DIB In the Red Square Nebula
The molecular carriers of the ubiquitous absorption features called the diffuse interstellar bands (DIBs) have eluded identification for many decades, in part...
-
PublicationAn Interferometric and Spectroscopic Analysis of the Multiple Star System HD 193322
The star HD 193322 is a remarkable multiple system of massive stars that lies at the heart of the cluster Collinder 419. Here we report on new spectroscopic...
-
PublicationAn Intermediate-age Alpha-rich Galactic Population in K2
We explore the relationships between the chemistry, ages, and locations of stars in the Galaxy using asteroseismic data from the K2 mission and spectroscopic...
-
PublicationAn investigation of non-canonical mixing in red giant stars using APOGEE <SUP>12</SUP>C/<SUP>13</SUP>C ratios observed in open cluster stars
Standard stellar evolution theory poorly predicts the surface abundances of chemical species in low-mass, red giant branch (RGB) stars. Observations show an...
-
PublicationAn ionized superbubble powered by a protocluster at z = 6.5
We show herein that a proto-cluster of Ly α emitting galaxies, spectroscopically confirmed at redshift 6.5, produces a remarkable number of ionizing continuum...
-
PublicationAn old, metal-poor globular cluster in Sextans A and the metallicity floor of globular cluster systems
We report the confirmation of an old, metal-poor globular cluster (GC) in the nearby dwarf irregular galaxy Sextans A, the first GC known in this galaxy. The...
-
PublicationAn updated stellar census of the Quintuplet cluster
Context. Found within the central molecular zone, the Quintuplet is one of the most massive young clusters in the Galaxy. As a consequence it offers the...