archives

observations

This tag is associated with 199 posts
AGN Illustration

A New Galactic Yardstick

We can measure the expansion of the universe with velocities and distances of extragalactic objects. But measuring distances is tough! The authors of this paper have developed a new technique for measure the distances of AGN using the “echo” of light from heated dust.

A Planet for Every M Dwarf Star?

A recent result on the commonality of exoplanets has made headlines, but has it for the right reasons?

Tracking the Accretion Flow Geometry Around Black Holes

By looking at the spectral changes of the accretion disk emission around black holes, we can trace the physical changes of the accreting material.

A Fast Radio Burst From Close to Home?

Astronomers are hearing a new type of radio transient, but no one knows where they come from and how they are created. This paper suggests one of the six documented Fast Radio Bursts detected so far originated close to home, within our own galaxy.

Cloudy with a chance of Carbon Monoxide

Tune in now for the first extrasolar weather map of a nearby brown dwarf, made using Doppler imaging.

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.

Compact Galaxies in the Nearby Universe

Small and massive compact galaxies are some of the hardest galaxies to find, but they could potentially reveal how galaxies evolved in the early universe.

Supernovae Photospheres as Distance Indicators

By examining their expansion rate over time, Type II supernovae provide a way to measure extragalactic distances.

Fomalhaut’s Little Sibling Has a Debris Disk Too

A new debris disk is discovered by the Herschel Space Telescope around the red dwarf tertiary star in the famous Fomalhaut system.

The Noble Crab

The Crab Nebula ups its game when it’s found to host the first molecule containing a noble gas to be found in space.

Email Subscription

Follow us on Twitter

Like us on Facebook

Astroplots

    http://astrobites.tumblr.com/post/65549158012http://astrobites.tumblr.com/post/62345439779http://astrobites.tumblr.com/post/60939853775http://astrobites.tumblr.com/post/59050954779Visit Astroplots to explore astronomy research through data representation.

Archives

Our sister site