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63 papers · 1 filter
Atmospheric Habitable Zones in Cool Y Dwarf Atmospheres
Jack S. Yates, Paul I. Palmer, Beth Biller +1
We use a simple organism lifecycle model to explore the viability of an atmospheric habitable zone (AHZ), with temperatures that could support Earth-centric life, which sits above…
Globular Clusters As Tracers of Fine Structure in the Dramatic Shell Galaxy NGC 474
Sungsoon Lim, Eric W. Peng, Pierre-Alain Duc +7
Globular clusters (GCs) are some of the most visible tracers of the merging and accretion history of galaxy halos. Metal-poor GCs, in particular, are thought to arrive in massive g…
Upper limits for Mass and Radius of objects around Proxima Cen from SPHERE/VLT
D. Mesa, A. Zurlo, J. Milli +36
The recent discovery of an earth-like planet around Proxima Centauri has drawn much attention to this star and its environment. We performed a series of observations of Proxima Cen…
Finding the UV-Visible Path Forward: Proceedings of the Community Workshop to Plan the Future of UV/Visible Space Astrophysics
Paul A. Scowen, Todd Tripp, Matt Beasley +30
We present the science cases and technological discussions that came from the workshop entitled "Finding the UV-Visible Path Forward" held at NASA GSFC June 25-26, 2015. The materi…
Peanut-shaped metallicity distributions in bulges of edge-on galaxies: the case of NGC 4710
Oscar A. Gonzalez, Victor P. Debattista, Melissa Ness +2
Bulges of edge-on galaxies are often boxy/peanut-shaped (B/PS), and unsharp masks reveal the presence of an X shape. Simulations show that these shapes can be produced by dynamical…
Shadows and spirals in the protoplanetary disk HD 100453
M. Benisty, T. Stolker, A. Pohl +46
Understanding the diversity of planets requires to study the morphology and the physical conditions in the protoplanetary disks in which they form. We observed and spatially resolv…