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Submillimeter Array

All articles tagged with #submillimeter array

space1 month ago•3 min saved

Astronomers Catch a Gamma-Ray Burst Minutes After Detonation With Breakthrough Millimeter Observations

Scientists used the Submillimeter Array on Maunakea to observe a gamma-ray burst within minutes of its discovery, marking the fastest-ever millimeter-wavelength observations of such an event after a Swift alert. The rapid follow-up enabled near real-time imaging of the burst and its fading afterglow, offering new insights into the jet physics of these colossal explosions and paving the way to even quicker responses in the future.

via BBC Sky at Night Magazine|

#astronomy #gamma-ray-burst #interferometry

science2 years ago•4 min saved

Astronomers Unveil Largest Ever Planet-Forming Disk

Astronomers have discovered the largest planet-forming disk ever observed, surrounding a young star known as IRAS 23077, located roughly 1,000 light-years from Earth. Using data from the Pan-STARRS and the Submillimeter Array, researchers found that this massive protoplanetary disk is rich in dust and gas, essential for planet formation. This discovery provides new insights into the environments where planets form and encourages further searches for similar structures in our galaxy.

via ScienceAlert|

#astronomy #iras-23077 #planet-formation

astronomy2 years ago•4 min saved

"Violent Stellar Outburst Threatens Developing Planets"

Scientists observed an extreme eruption from a young star, HD 283572, using the Submillimeter Array, indicating that developing exoplanets may face turbulent conditions. The eruption, one of the most powerful stellar flares ever seen, could have significant impacts on the formation of planets in its system. The team is continuing to monitor the star to understand the frequency and effects of such eruptions, and hopes to better understand the physics of these flares and their underlying processes.

via Space.com|

#astronomy #exoplanets #planetary-formation

astronomy2 years ago•4 min saved

"Violent Eruption on Young Sun-like Star Threatens Exoplanet Development"

Astronomers have observed an extreme eruption from a young star, HD 283572, which became over a hundred times brighter in just a few hours, shedding light on the behavior of young sun-like stars and their impact on developing planets. The eruption, detected using the Submillimeter Array, released an immense amount of energy and poses challenges for the development of exoplanets in its vicinity. Further observations are underway to understand the frequency of such flaring activity and its effects on planetary atmospheres.

via Phys.org|

#astronomy #exoplanets #hd-283572