This tag is associated with 225 posts

Evryscope, Greek for “wide-seeing”

Everyscope: Opening a new window into time-resolved astronomy.

Molecular Gas in Post-Starburst Galaxies

What makes galaxies stop forming stars? Is gas removed entirely, or simply heated to prevent stars from forming? Today’s paper uses observations of carbon monoxide in post-starburst galaxies to try to answer this question.

A Crippled Kepler Discovers a New Planet

The Kepler Space Telescope was the workhorse of exoplanet discovery until its second reaction wheel failed, rendering it incapable of continuing its original mission. Now, Kepler is back in the game of planet hunting.

Are Carbon-Rich Planets Just an Observational Bias?

The recent discoveries of alien worlds seemingly rich in carbon reveal a lot of diverse information about the history and further evolutionary paths of exoplanets. However, a correct physical understanding of the investigated systems is crucial for getting the most out of incoming data and is an area of very active research. Therefore, the theoretical modeling of exoplanetary systems must be advanced to a state which includes the long-term evolution of the distribution of detectable molecular species in the planet forming environment.

Weighing galaxy clusters with the CMB

Measuring CMB distortions caused by gravitational lensing is a unique way of estimating galaxy cluster masses.

MINERVA: MINiature Exoplanet Radial Velocity Array

MINERVA: Detecting Super-Earths from the ground in a modular, cost-effective manner.

A Supernova Silhouette

Title:┬áThe 2D Distribution of Iron Rich Ejecta in the Remnant of SN 1885 in M31 Authors: Robert A. Fesen, Peter Hoeflich, Andrew J.S. Hamilton First Author’s Institution: Dartmouth College Paper Status: Submitted to The Astrophysical Journal Supernova 1885 In August of 1885, a powerful supernova erupted in our neighboring galaxy, Andromeda. Astronomers name supernovae by […]

Characterizing Cepheid Light Curves

Distance is a tricky thing to measure in astronomy. We can’t use tape measures or rulers, and even more sophisticated methods like laser ranging are only good for the very nearest of neighbors, like the moon. That’s where distance indicators like Cepheids come in.

Tick Tock of a Double Celestial Clock: Discovery of a New Stellar Remnant System

The recent discovery of two pulsating, compact stellar remnants intertwined in a binary system has uncovered a system never-before observed in our Universe, and will offer new avenues for studying the exotic objects involved.

Counting Stellar Corpses: Rethinking the Variable Initial Mass Function?

Sometimes stellar remnants cannibalize other stars, emitting x-rays that can be detected in distant galaxies. Learn how making a careful tally of these gruesome events can reveal how stars are formed.

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