News tagged with stellar system

Bright star reveals new exoplanet

An international team of astronomers at Stellar Astrophysics Centre in Aarhus, Denmark, have discovered a new exoplanet, christened "Kepler-410A b." The planet is about the size of Neptune and orbits the ...

Jan 22, 2014
3.8 / 5 (5) 0

How engineers revamped Spitzer to probe exoplanets

(Phys.org) —Now approaching its 10th anniversary, NASA's Spitzer Space Telescope has evolved into a premier observatory for an endeavor not envisioned in its original design: the study of worlds around ...

Sep 25, 2013
4.9 / 5 (14) 1 | with audio podcast

Spitzer discovers young stars with a 'hula hoop'

(Phys.org) —Astronomers using NASA's Spitzer Space Telescope have spotted a young stellar system that "blinks" every 93 days. Called YLW 16A, the system likely consists of three developing stars, two of ...

Jul 31, 2013
4.3 / 5 (6) 0 | with audio podcast

Stellar winds may electrify exoplanets

(Phys.org) —The strangest class of exoplanets found to date might be even stranger than astronomers have thought. A new model suggests that they are partially heated by electric currents linked to their host stars. Florida ...

Jun 05, 2013
4.5 / 5 (11) 23 | with audio podcast

New Greek observatory sheds light on old star

(Phys.org)—Continuing a tradition stretching back more than 25 centuries, astronomers have used the new 2.3-m 'Aristarchos' telescope, sited at Helmos Observatory (2340m high) in the Pelοponnese Mountains ...

Feb 28, 2013
3 / 5 (2) 0

The origin and maintenance of a retrograde exoplanet

Astronomers have used the Subaru Telescope to show that the HAT-P-7 planetary system, which is about 1040 light years from Earth in the constellation Cygnus, includes at least two giant planets and one companion ...

Jan 25, 2013
5 / 5 (4) 2 | with audio podcast