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NASA launches new planet hunter

NASA launches new planet hunter NEWS in NGC 7424, showed signs of is huge. “We get 14 Tb from the A&G FORUM RAS celebrates a surviving companion star in Sentinels alone,” said Joel Asch- women Fellows Gemini South data from 2004. bacher (ESA) at the European The explosion was a Type IIb Union of Geosciences meeting DIVERSITY The RAS has created stripped-envelope supernova, in in Vienna in April. “That’s more a website about the position of which most of the star’s hydrogen data from the Sentinels than is women in the Society, in the past was lost beforehand. In binary uploaded to Facebook per day.” and present. Blogs and regular systems, the companion could http://bit.ly/1nPfa8T tweets featuring women – well- draw off the hydrogen envelope. known and obscure – highlight The HST image of the surviving Galactic megamerger aspects of women’s contributions companion star to 2001ig indi- challenges models to our sciences. cates that this is the case. Astro Weekend at http://women.ras.ac.uk http://bit.ly/2KfMjcF ALMA/APEX Teams using detailed the OU data from the Atacama Large Millimetre/submillimetre Array ONLINE Open University Surprises in distant Gravitational waves (ALMA) and APEX, the ALMA students gathered on 20–22 April star formation reveal neutron stars Pathfinder Experiment, have to get together to revise, make ALMA The proportions of more STAR PROPERTIES The first detec - each resolved a clump of galax- friends and observe the skies. massive to less massive stars tion of gravitational waves from a ies in the process of forming a Read more online at A&G Forum. have been considered fixed at neutron star merger has set some galaxy cluster. The protoclusters https://aandg.org/sections/people/ birth – the initial mass func- limits on the extreme matter of SPT 2349-56 and DRC (14 and 10 ou-astro-weekend tion – because young stars and neutron stars. The gravitational galaxies) are much older than star-forming cores in molecular wave data limit the tidal deform- expected; the galaxies are sur- clouds close to the solar system abilities of the stars involved, prisingly large and forming stars. assist from the Moon. TESS will share the pattern. Now observa- in turn limiting the families of The data come from 1.5 billion survey 85% of the sky, looking for tions with the Atacama Large equations of state for neutron star years after the Big Bang, before transits on bright stars between Millimetre/submillimetre Array matter. Specic fi ally, the data rule models suggest such large galax- 30 and 300 light-years away. of a more distant and perhaps out large neuton stars, putting the ies could assemble, challenging These stars will be candidates for more typical star-forming region, radius of a 1.4-solar-mass neutron cosmological models. Miller et al. follow-up spectroscopy. TESS is W43-MM1, suggest that this is star at up to 13.6 km only. Annala published in Nature, Oteo et al. in expected to discover thousands not the case: more massive star- et al. and Fattoyev et al. published The Astrophysical Journal. of exoplanets, among them some forming cores there were much independent studies in Physical http://bit.ly/2jnKYnG 300 Earths and super-Earths. more abundant than the accepted Review Letters. http://go.nasa.gov/2FzoKYI model would suggest, and less http://journals.aps.org/prl ESA approves Ariel massive ones less common. ESA simulates planet hunter mission http://www2.cnrs.fr/en/22.htm Virtual exoplanet tour satellite collisions COSMIC VISION Ariel, the hits a million viewers Atmospheric Remote‐sensing SPACE JUNK ESA is modelling Clouds of hydrogen YOUTUBE An immersive journey Infrared Exoplanet Large‐survey what happens when satellites sulphide at Uranus to six exoplanets has proved mission, was selected by ESA on collide – and finding surprises. NIFS A longstanding question a huge outreach hit for the 20 March as the next medium- Only one out of four model colli- about the ice giant Uranus has University of Exeter, with a mil- class science mission, part of sions produced the cloud of space been resolved with the Gemini lion viewers since its launch on the Cosmic Vision programme. debris expected. Engineers are North telescope on Maunakea, YouTube in late 2017. The virtual The mission has a strong UK using two types of model, work- Hawaii. Patrick Irwin (University planet tour was made by a sci- presence, ree fl cting the strength ing at the levels of the material of Oxford) led an international ence team led by Nathan Mayne of this e fi ld nationally. “ARIEL properties and the components team using Gemini’s Near-Infra- (University of Exeter), together will study a statistically large of satellites under the high ener- red Integral Field Spectrometer with educational charity We sample of exoplanets to give us gies of collision. The goal is to (NIFS) to sample the region above The Curious and visual-effects a truly representative picture of help predict how Earth’s cloud of the main visible cloud layer in artists from Engine House. As what these planets are like,” said space junk will evolve over the Uranus’s atmosphere. Clouds well as watching on-screen, the principal investigator Giovanna coming 200 years. made of hydrogen sulphide or tour can be taken in virtual real- Tinetti (University College http://bit.ly/2rfrWUp ammonia would leave traces of ity, if you have the headset. The London). STFC RAL Space will these species there. “We were tour includes Wasp-121b, with manage the overall European Galaxy mergers mean able to detect them unambigu- stellar winds blowing away its consortium building the payload, more black holes ously thanks to the sensitivity atmosphere, possible water world which will be assembled and of NIFS on Gemini,” said Irwin. Kepler-62e and 55 Cancri e, so hot tested in Harwell, Oxfordshire. MILKY WAY Our galaxy could These data are valuable for that its surface could be molten. Other UK involvement will come contain several wandering super- understanding the origin of http://bit.ly/2w8k10G from Cardiff University, Oxford massive black holes, as well as the planets; the proportions of N and University and the UK Astron- central one, as a result of galaxy Seventh Sentinel S depend on temperature and omy Technology Centre. mergers, according to a study location in the Sun’s dusty disc. http://bit.ly/2FA4kPs published in The Astrophysical watches over Earth http://www.gemini.edu/node/21050 Journal. Modelling by Michael COPERNICUS With the launch of Tremmel (Yale University, USA) NASA launches new the Sentinel 3B Earth-observation and colleagues suggests that Did surviving star planet hunter satellite, Europe’s Sentinel there would be several such wan- cause supernova? constellation of seven, part of TESS NASA’s Transiting Exo- derers in a galaxy the size of our HUBBLE The Hubble Space Tele- Europe’s Copernicus environ- planet Survey Satellite (TESS), own. They are hard to find, the scope has imaged – for the first mental monitoring network, was launched on 18 April and team says, because there is little time – a star that survived the is now complete. Sentinel 3 is is heading for its final elliptical gas for them to accrete, outside supernova explosion of its binary directed at measuring the sea 13.7-day orbit with the help of the central bulge of galaxies. companion. Supernova 2001ig, and ice surface. The data return six thruster burns and a gravity http://bit.ly/2jkpnwG A&G • June 2018 • Vol. 59 • aandg.org 3.7 Downloaded from https://academic.oup.com/astrogeo/article-abstract/59/3/3.7/4995408 by Ed 'DeepDyve' Gillespie user on 20 June 2018 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Astronomy & Geophysics Oxford University Press

NASA launches new planet hunter

Astronomy & Geophysics , Volume Advance Article (3) – Jun 1, 2018
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Publisher
Oxford University Press
Copyright
© 2018 Royal Astronomical Society
ISSN
1366-8781
eISSN
1468-4004
DOI
10.1093/astrogeo/aty118
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Abstract

NEWS in NGC 7424, showed signs of is huge. “We get 14 Tb from the A&G FORUM RAS celebrates a surviving companion star in Sentinels alone,” said Joel Asch- women Fellows Gemini South data from 2004. bacher (ESA) at the European The explosion was a Type IIb Union of Geosciences meeting DIVERSITY The RAS has created stripped-envelope supernova, in in Vienna in April. “That’s more a website about the position of which most of the star’s hydrogen data from the Sentinels than is women in the Society, in the past was lost beforehand. In binary uploaded to Facebook per day.” and present. Blogs and regular systems, the companion could http://bit.ly/1nPfa8T tweets featuring women – well- draw off the hydrogen envelope. known and obscure – highlight The HST image of the surviving Galactic megamerger aspects of women’s contributions companion star to 2001ig indi- challenges models to our sciences. cates that this is the case. Astro Weekend at http://women.ras.ac.uk http://bit.ly/2KfMjcF ALMA/APEX Teams using detailed the OU data from the Atacama Large Millimetre/submillimetre Array ONLINE Open University Surprises in distant Gravitational waves (ALMA) and APEX, the ALMA students gathered on 20–22 April star formation reveal neutron stars Pathfinder Experiment, have to get together to revise, make ALMA The proportions of more STAR PROPERTIES The first detec - each resolved a clump of galax- friends and observe the skies. massive to less massive stars tion of gravitational waves from a ies in the process of forming a Read more online at A&G Forum. have been considered fixed at neutron star merger has set some galaxy cluster. The protoclusters https://aandg.org/sections/people/ birth – the initial mass func- limits on the extreme matter of SPT 2349-56 and DRC (14 and 10 ou-astro-weekend tion – because young stars and neutron stars. The gravitational galaxies) are much older than star-forming cores in molecular wave data limit the tidal deform- expected; the galaxies are sur- clouds close to the solar system abilities of the stars involved, prisingly large and forming stars. assist from the Moon. TESS will share the pattern. Now observa- in turn limiting the families of The data come from 1.5 billion survey 85% of the sky, looking for tions with the Atacama Large equations of state for neutron star years after the Big Bang, before transits on bright stars between Millimetre/submillimetre Array matter. Specic fi ally, the data rule models suggest such large galax- 30 and 300 light-years away. of a more distant and perhaps out large neuton stars, putting the ies could assemble, challenging These stars will be candidates for more typical star-forming region, radius of a 1.4-solar-mass neutron cosmological models. Miller et al. follow-up spectroscopy. TESS is W43-MM1, suggest that this is star at up to 13.6 km only. Annala published in Nature, Oteo et al. in expected to discover thousands not the case: more massive star- et al. and Fattoyev et al. published The Astrophysical Journal. of exoplanets, among them some forming cores there were much independent studies in Physical http://bit.ly/2jnKYnG 300 Earths and super-Earths. more abundant than the accepted Review Letters. http://go.nasa.gov/2FzoKYI model would suggest, and less http://journals.aps.org/prl ESA approves Ariel massive ones less common. ESA simulates planet hunter mission http://www2.cnrs.fr/en/22.htm Virtual exoplanet tour satellite collisions COSMIC VISION Ariel, the hits a million viewers Atmospheric Remote‐sensing SPACE JUNK ESA is modelling Clouds of hydrogen YOUTUBE An immersive journey Infrared Exoplanet Large‐survey what happens when satellites sulphide at Uranus to six exoplanets has proved mission, was selected by ESA on collide – and finding surprises. NIFS A longstanding question a huge outreach hit for the 20 March as the next medium- Only one out of four model colli- about the ice giant Uranus has University of Exeter, with a mil- class science mission, part of sions produced the cloud of space been resolved with the Gemini lion viewers since its launch on the Cosmic Vision programme. debris expected. Engineers are North telescope on Maunakea, YouTube in late 2017. The virtual The mission has a strong UK using two types of model, work- Hawaii. Patrick Irwin (University planet tour was made by a sci- presence, ree fl cting the strength ing at the levels of the material of Oxford) led an international ence team led by Nathan Mayne of this e fi ld nationally. “ARIEL properties and the components team using Gemini’s Near-Infra- (University of Exeter), together will study a statistically large of satellites under the high ener- red Integral Field Spectrometer with educational charity We sample of exoplanets to give us gies of collision. The goal is to (NIFS) to sample the region above The Curious and visual-effects a truly representative picture of help predict how Earth’s cloud of the main visible cloud layer in artists from Engine House. As what these planets are like,” said space junk will evolve over the Uranus’s atmosphere. Clouds well as watching on-screen, the principal investigator Giovanna coming 200 years. made of hydrogen sulphide or tour can be taken in virtual real- Tinetti (University College http://bit.ly/2rfrWUp ammonia would leave traces of ity, if you have the headset. The London). STFC RAL Space will these species there. “We were tour includes Wasp-121b, with manage the overall European Galaxy mergers mean able to detect them unambigu- stellar winds blowing away its consortium building the payload, more black holes ously thanks to the sensitivity atmosphere, possible water world which will be assembled and of NIFS on Gemini,” said Irwin. Kepler-62e and 55 Cancri e, so hot tested in Harwell, Oxfordshire. MILKY WAY Our galaxy could These data are valuable for that its surface could be molten. Other UK involvement will come contain several wandering super- understanding the origin of http://bit.ly/2w8k10G from Cardiff University, Oxford massive black holes, as well as the planets; the proportions of N and University and the UK Astron- central one, as a result of galaxy Seventh Sentinel S depend on temperature and omy Technology Centre. mergers, according to a study location in the Sun’s dusty disc. http://bit.ly/2FA4kPs published in The Astrophysical watches over Earth http://www.gemini.edu/node/21050 Journal. Modelling by Michael COPERNICUS With the launch of Tremmel (Yale University, USA) NASA launches new the Sentinel 3B Earth-observation and colleagues suggests that Did surviving star planet hunter satellite, Europe’s Sentinel there would be several such wan- cause supernova? constellation of seven, part of TESS NASA’s Transiting Exo- derers in a galaxy the size of our HUBBLE The Hubble Space Tele- Europe’s Copernicus environ- planet Survey Satellite (TESS), own. They are hard to find, the scope has imaged – for the first mental monitoring network, was launched on 18 April and team says, because there is little time – a star that survived the is now complete. Sentinel 3 is is heading for its final elliptical gas for them to accrete, outside supernova explosion of its binary directed at measuring the sea 13.7-day orbit with the help of the central bulge of galaxies. companion. Supernova 2001ig, and ice surface. The data return six thruster burns and a gravity http://bit.ly/2jkpnwG A&G • June 2018 • Vol. 59 • aandg.org 3.7 Downloaded from https://academic.oup.com/astrogeo/article-abstract/59/3/3.7/4995408 by Ed 'DeepDyve' Gillespie user on 20 June 2018

Journal

Astronomy & Geophysics – Oxford University Press

Published: Jun 1, 2018

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