MPIA News

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Atmosphere around low-mass Super-Earth detected

April 06, 2017
Astronomers have detected an atmosphere around the super-Earth GJ 1132b. This marks the first detection of an atmosphere around a low-mass Super-Earth, in terms of radius and mass the most Earth-like planet around which an atmosphere has yet been detected. Thus, this is a significant step on the path towards the detection of life on an exoplanet. The team, which includes researchers from the Max Planck Institute for Astronomy, used the 2.2 m ESO/MPG telescope in Chile to take images of the planet’s host star GJ 1132, and measuring the slight decrease in brightness as the planet and its atmosphere absorbed some of the starlight while passing directly in front of their host star. [more]
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Radio astronomers tune in to the star formation channel

February 21, 2017
Some galaxies produce copious amounts of new stars. Others are less productive. Now, a team of astronomers led by Fatemeh Tabatabaei (Instituto de Astrofisica de Canarias) has developed a method to measure the rate at which galaxies form new stars, using radio observations. The scientists made use of a sample of 52 nearby galaxies that were observed with the Effelsberg 100-m radio telescope at different wavelengths. Star formation rates are a key property of galaxies, and changes in the average star formation rate are an important aspect of the overall evolution of our universe. [more]
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Probing the three-dimensional structure of a protoplanetary disk

February 07, 2017
Astronomers have detected three-dimensional structures in the protoplanetary disk around the young star TW Hydrae. Their pioneering reconstruction uses both the light reflected by dust and light emitted by certain gas molecules to reconstruct the disk’s physical structure – a step forward from previous images of such disks that could not distinguish density variations from chemical or thermodynamic patterns. The pattern, a ring-shaped gap, could either indicate the presence of a planet or instabilities that could form a planet. [more]
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Probing the three-dimensional structure of a protoplanetary disk

February 07, 2017
Astronomers have detected three-dimensional structures in the protoplanetary disk around the young star TW Hydrae. Their pioneering reconstruction uses both the light reflected by dust and light emitted by certain gas molecules to reconstruct the disk’s physical structure – a step forward from previous images of such disks that could not distinguish density variations from chemical or thermodynamic patterns. The pattern, a ring-shaped gap, could either indicate the presence of a planet or instabilities that could form a planet. [more]
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Pan-STARRS releases catalogue of 3 billion astronomical sources

December 19, 2016
The Pan-STARRS project, including astronomers at the Max Planck Institutes for Astronomy in Heidelberg and for Extraterrestrial Physics in Garching, is publicly releasing the world’s largest digital sky survey today. The catalogue is based on 4 years of observations of 3/4 of the night sky and provides extensive information on more than 3 billion stars, galaxies and other sources. [more]
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Euclid-Instrument NISP successfully passed Critical Design Review

December 14, 2016
The NISP instrument, currently under development with participation of MPIA for ESA's Euclid cosmology mission, has successfully passed its so-called Critical Design Review by an ESA review board. This affirms that the overall design is deemed sufficiently mature for launch and that now all flight hardware has green light to be built for a delivery of the instrument to ESA in about two years. [more]
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Patzer Prize 2016

November 30, 2016
Last Friday, on November 25, 2016, the solemn ceremony of the Ernst-Patzer Prize for the promotion of young scientists was held in the auditorium of the Max Planck Institute for Astronomy (MPIA). This year, the awards were given to Adriana Pohl, Sara Rezaeikhoshbakhat and Richard Teague. [more]
 
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