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star formation

This tag is associated with 86 posts

Measuring Galaxy Star Formation

How well do the current methods of measuring the star formation rate of galaxies match then known star formation rate in simulations?

Shutting off Star Formation in Galaxies

As galaxies evolve they eventually stop forming stars. There are a host of (sometimes violent) processes that can end star formation in galaxies. The authors examine how galaxy mass plays a role in stopping star formation for nearby galaxies.

Star Formation on a String

What’s causing the “beads on a string” pattern of star formation around this interacting galaxy pair?

Accretion in Young Stars

What might be causing the accretion rates in newly formed stars to remain so high?

Filling the redshift gap with carbon monoxide mapping

Can we find galaxies using the light emitted by their star forming regions? The authors of this paper explore a technique that would allow us to reach relatively unexplored epochs of the Universe.

Massive Stars Don’t Make Good Neighbors

Massive stars emit energetic radiation and expel strong winds that can disrupt their natal environments. New simulations show that these effects are important in the evolution of stellar nurseries and can account for some of the observed low efficiency of star formation.

Forming Stars in the Stream

Orbiting our galaxy are many smaller dwarf galaxies. As they orbit, some of these galaxies produce vast streams of gas that stretch around our Milky Way galaxy. Much of this gas still has the potential for forming stars. This astrobite will summarize a recent discovery of one of these stars.

Modeling Histories of Star Formation

The authors use a cosmological simulation to characterize the rates at which galaxies form new stars.

A star with a fake ID?

Most binary stars probably formed at the same time, meaning all stars in the same system should have the same age. The authors of this paper analyze a stellar binary system where one star appears to be lying about its age, as one star appears 3 billion years older than its companion.

Galaxy in a Bottle: Simulating Spiral Galaxy Formation

How do simulations of galaxy formation stack up against each other and against observations? Find out with the Aquila project, a comparo of many different codes in current use.

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