Solar Eclipse Success!

The maximum eclipse (94%) in Glasgow.

The maximum eclipse (94%) in Glasgow.

Although the sky this morning had a Glasgow filter (i.e. the clouds) we were able to catch the progress of the moon throughout its journey across the face of the sun. At the very moment of maximum, the clouds thinned slightly, showing the eclipsed sun smiling down on us at the University of Glasgow. Thanks to all the staff and students that helped out and all the folk that came along and saw the eclipse.

The moon starts to eclipse the sun, with a sunspot also visible on the solar surface.

The moon starts to eclipse the sun, with a sunspot also visible on the solar surface.

The maximum eclipse (94%) in Glasgow.

The maximum eclipse (94%) in Glasgow.

The maximum eclipse caught on camera, with the University of Glasgow tower overlooking.

The maximum eclipse caught on camera, with the University of Glasgow tower overlooking.

The moon moving away, showing more of the solar surface again.

The moon moving away, showing more of the solar surface and sunspot again.

A large crowd gathered at the flagpole (thanks to https://twitter.com/pjasimoes)

A large crowd gathered at the flagpole watching the clouded eclipse (thanks to @pjasimoes).

And the large crowd extends further along, watching the clouded eclipse

And the large crowd extends further along, watching the clouded eclipse at the University of Glasgow (thanks to @pjasimoes)

Eclipse viewers gathered at the Library and Fraser building waiting for the eclipse to peak.

Eclipse viewers gathered at the Library and Fraser building waiting for the eclipse to peak (photo thanks to Laurence Datrier).

The moon eclipsing the sun captured on our live feed from our Acre Rd Observatory

The moon eclipsing the sun captured on our live feed from our Acre Rd Observatory

The students (Duncan Horne, Ruaridh Newman Andrew Barr, William Newman) at the observatory running the live feed

The students (Duncan Horne, Ruaridh Newman
Andrew Barr, William Newman) at the Acre Rd Observatory running the live feed

Some of the Glasgow solar PhD students (Paul Wright, Stephen Brown, Galina Motorina) broadcasting live with STV's Sean Batty during the eclipse

Some of the Glasgow solar PhD students (Paul Wright, Stephen Brown, Galina Motorina) broadcasting live with STV’s Sean Batty during the eclipse (photo thanks to Stephen Brown). You can rewatch the broadcast here.


Solar Eclipse – Live Feed

A rare partial solar eclipse will be viewable in Glasgow on Friday March 20th, with the maximum eclipse (the moon covering 94% of the Sun) occurring at 09:34am.

We have a live* feed at http://www.astro.gla.ac.uk/eclipse/live.html from University of Glasgow Observatory, updated every minute. There are also two viewing locations on the Main Campus University of Glasgow, where there will be telescopes and viewers to let you safely see the eclipse directly (weather permitting)

Thanks to the undergraduate solar project group, Peter Wakeford and Graham Kerr for setting this up and making the observations.

*The feed will be live and update during 8am to 11am Friday 20th March. Before then it will show a static test image taken with the same telescope & filter setup.


Solar Eclipse March 20th

eclipse_posterUpdate: The weather forecast for Friday morning in Glasgow is currently cloudy/variable but we will be out in force hoping for gaps in the clouds.

We also have a live feed of the eclipse from the University of Glasgow Observatory.

A rare partial solar eclipse will be viewable in Glasgow on Friday March 20th, with the maximum eclipse (the moon covering 94% of the Sun) occurring at 09:34am.

We at the University of Glasgow will be hosting (weather permitting) eclipse viewing areas where anyone can come along to safely* see the eclipse through our telescopes and viewers, with experts on hand to explain what is happening. These will be located at the Flag pole/South Front of the main University building and near the entrance to the Fraser building and Library between the times of the eclipse (08:30am to 10:43am), see the poster/map.

For more information please contact Iain Hannah.

*Do not look directly at the Sun with you naked eyes or through an unfiltered telescope/binoculars even during the eclipse. Only use specially designed filters/glasses (not sunglasses) or a pinhole or projection method to observe the eclipse. More information to safely view an eclipse is available here, this guide from the Royal Astronomical Society [pdf], or from the BBC’s Stargazing Live [pdf].


Congratulations to Graham Kerr

Graham Kerr, a PhD student in the Astronomy and Astrophysics Group, has won the School of Physics and Astronomy’s Thomson Prize for his second year report on Observations and Modelling of Solar Chromospheric Flares. Well done Graham!

Locations of optical sources in a white light flare, colour coded by time (from Kerr & Fletcher 2014)

Locations of optical sources in a white light flare, colour coded by time (from Kerr & Fletcher 2014)


Glasgow astronomers join UK DKIST consortium

The School of Physics and Astronomy has joined the UK Consortium for the Daniel K. Inouye Solar Telescope currently being constructed on the summit of Haleakala mountain in Hawai’i. This 4m diameter telescope will address fundamental questions at the core of contemporary solar physics. It will do this via high-speed (sub-second) imaging, spectroscopic and magnetic measurements of the solar photosphere, chromosphere and corona. DKIST will be mainly funded by the US National Science Foundation. The UK DKIST Consortium, funded also by the STFC and in kind by Andor Technology, exists to design and build the cameras for 4 DKIST instruments, develop processing and data analysis tools, and support UK observing proposals.

Rendering of DKIST dome. Image: NSO/NSF/AURA

Rendering of DKIST dome. Image: NSO/NSF/AURA


Congrats to Prof Hendry MBE

Congratulations to Professor Martin Hendry for being awarded an MBE in the New Year Honours List for services to Public Engagement in Science.

 

 

 

 

 

 


First NuSTAR image of the Sun

NuSTAR Sun

Above is the first image of the Sun taken by NASA’s X-ray telescope NuSTAR. The blue and green are NuSTAR X-rays in 2-3 keV and 3-5 keV, overlaid onto EUV emission from SDO/AIA (red). This image was recently released and has featured on many news sites (BBC, Time, National Geographic, etc) and made it to the Astronomy picture of the day. A&A’s Dr. Iain Hannah and Dr. Hugh Hudson are part of the NuSTAR solar team that is using this X-ray telescope, that normally looks at distant blackholes, to probe faint signatures of heating and particle acceleration in the solar atmosphere.


Lunar Mission One

This is a unique opportunity to get involved in lunar exploration. In addition the the drilling and the archive we hope to include a simple radio receiver on the lander,  which can be used to study the Moon’s tenuous exosphere and maybe even do some radio astronomy. For details of how to get involved see the Lunar Mission One homepage.


PhD student paper wins Scottish prize

nicedem_141207

Congratulations to David Graham, whose paper “The Emission Measure Distribution of Impulsive Phase Flare Footpoints“, published while he was a PhD student in the A&A group, has won this year’s Robert Cormack Bequest Postgraduate Prize. This prize, awarded annually by the Royal Society of Edinburgh, is for the best nominated paper accepted for publication in 2013/14 with a postgraduate in a Scottish Institution as prime author. David gets a cheque for a helpful sum, and an invitation to speak to the annual Cormack Astronomy Meeting in November.

The paper investigates the temperature distribution of the plasma produced in the lower atmosphere (footpoints) of a flare during the phase of primary energy injection, finding a distribution peaking at 10MK and with a slope consistent with thermal conduction. It is the first time that the properties of flare footpoints have been investigated in this way. Co-authors were Iain G. Hannah, Lyndsay Fletcher (both GU) and Ryan O. Milligan (Queen’s University Belfast)

Well done David!


Glasgow Sun

As we are heading through solar maximum there are several sunspots and filaments visible on the solar disk. The image below was obtained on the ground in Glasgow, taken by two undergraduate students (Peter Wakeford and Ruari MacKenzie) using an H-alpha telescope at our Acre Road Observatory.

solarstack1pinkcrop-2


Feeling the heat of the photons

THEMIS telescope building

THEMIS telescope building

Two solar scientists from the Glasgow group are currently observing the Sun with the THEMIS telescope at the Observatorio del Teide on the Island of Tenerife.

Dr Nicolas Labrosse and PhD student Peter Levens are leading an international team which has been awarded 20 days of observing time with THEMIS as part of the SOLARNET Transnational Access and Service Programme.

These observations will be part of a larger observing campaign in coordination with other instruments, including more ground-based observatories (Solar Tower of Observatoire de Meudon, Fuxian Solar Observatory) and satellites (SDO, Hinode, IRIS).

The objective is the measurement of magnetic fields in prominences and tornadoes, exploiting the excellent spectro-polarimetric capabilities of THEMIS in the He D3 line to infer the magnetic field vector. These phenomena represent unique examples of the small-scale coupling between magnetic field and plasma in environments with distinct dynamical behaviour. As such they represent key case studies for deepening our understanding of the Sun.

Peter Levens is pointing the telescope on an attractive target.

Peter Levens is pointing the telescope on an attractive target.

Some pictures of their trip can be found here.


Plasma publishing accolades

“Simulation of transient energy distributions in sub-ns streamer formation” by MacLachlan, Potts & Diver (http://iopscience.iop.org/0963-0252/page/Highlights-of-2013)  has been selected by the editors of Plasma Sources Science & Technology  for inclusion in the exclusive “Highlights of 2013″, on the basis of its outstanding research and impact on the low-temperature plasma community.

Additionally, a recent article on electron acceleration above thunderclouds (Fullekrug,…, Diver et al, Environ. Res. Lett. 8 035027 http://iopscience.iop.org/1748-9326/8/3/035027) has been downloaded nearly 1200 times in 5 months.


Graham Kerr wins Hunter-Cumming Prize

gkerr_picGraham Kerr, a second year Astronomy and Astrophysics PhD student has won the Hunter-Cumming Prize for his first year work, presented in his report on ‘Observations and Modelling of Solar Chromospheric Flares’. Graham has been working on observations of solar flares in the optical part of the spectrum, using data from the Hinode spacecraft to deduce the temperature and energy content of ‘white light’ flares. He has recently begun running radiation hydrodynamic simulations, to help interpret the behaviour that is observed. Congratulations Graham!


Student 2014 trip to the Burn House

February 7-10th 2014 saw the annual Astronomy 2 observing trip to the Burn House, near Edzell. Group Photo

Despite some poor weather, both night and day/solar observing were achieved. And more importantly the weekend is booked for the February 2015 trip.

Observing

H-alpha Sun

Moon

Jupiter & 4 Moons


Major funding boost to A&A group

The A&A group receives a major boost with funding from the European Commission’s Seventh Framework Programme (FP7) for space-related research.

A powerful X-class flare observed by Hinode’s Solar Optical Telescope (SOT) on Dec. 13, 2006


Dr. Lyndsay Fletcher and Dr Nicolas Labrosse from the Astronomy & Astrophysics group in the School of Physics and Astronomy will investigate the physics of solar flares.

The F-CHROMA project (Flare CHRomospheres: Observations, Models and Archives) will bring together experts from seven institutions to collect, synthesise and analyse data from satellite and earthbound observations of solar flares. Solar flares are energetic outbursts of solar radiation which span the whole electromagnetic spectrum. Mid-sized flares can release energy equivalent to a hundred million megatons of TNT in just a few minutes, most of which ultimately turns into electromagnetic radiation. This radiation is emitted primarily by a thin, and complicated, part of the Sun’s atmosphere called the chromosphere.

Lyndsay Fletcher, Principal Investigator, said that this project will allow the team to combine ultra-high detail observation of solar flare events with advanced theoretical and computational modeling to shed light on the way a flare’s energy is stored, released, and converted into other forms.

The outcomes of F-CHROMA will be used to inform preparations for major forthcoming projects including the Daniel K. Inouye Solar Telescope which will see first light in 2019 in Hawai’i and ESA’s Solar Orbiter Mission which is expected to start beaming back solar images and spectra from its orbit in the inner solar system at around the same time.

F-CHROMA is one of two projects led by the University of Glasgow receiving funding from the European Commission.


Astro group solar physicist, Dr Bian visits Southern Siberia

Dr Nic Bian (Glasgow) and a colleague from the Institute of Solar-Terrestrial Physics, Irkutsk at the Siberian Solar Radio Telescope.


Awardee of the Russian President joins the group

Galina Motorina, a winner of the all-Russia competition, was awarded a scholarship of the President of the Russian Federation to pursue solar flare research in Glasgow. The awards are for PhD students who “achieved considerable success in fundamental or applied researches”.


Ionospheric perturbations ‘decorated’ solar radio dynamic spectrum observed in December

Ionospheric perturbations strongly affect radio propagation, and can produce rather peculiar patterns in the dynamic spectra of solar radio emission (for details – see the paper Meyer-Vernet, N., Daigne, G., and Lecacheux, A., Astronomy and Astrophysics, 1981). Such unusual patterns can be seen in Glasgow radio data as well – see images and the radio data from other radio observatories (CALLISTO status report/news letter #47):


Dr. Iain Hannah – new Royal Society University Research Fellow

We congratulate Dr‌ Iain Hannah from our group who has taken up his post as one of 41 new Royal Society University Research Fellows (URFs) for 2013, to conduct a research programme into the physics of high energy solar flares. The University Research Fellowship scheme aims to provide outstanding scientists, who have the potential to become leaders in their chosen fields, with the opportunity to build an independent research career. Iain’s research into solar flares involves X-ray imaging and spectroscopy, multi-wavelength studies, statistical surveys and numerical simulations.


Big solar flares caught in Glasgow

GLASGOW_20131025_150000_59.fitThe recent flurry of solar activity has seen several large flares emitted by the Sun. The rapid release of energy in the Sun’s atmosphere heats material and accelerates particles resulting in bright emission seen by a myriad of satellite’s including NASA’s RHESSI. These were also caught by the solar radio telescope at our Acre Rd Observatory, which observes the electrons accelerated to high energies in flares. Our telescope uses a CALLISTO spectrometer and it provides live observations of the Sun at radio frequencies between 45 and 80 MHz with 0.125 second cadence. This strong radio emission can interrupt communications on the ground across many frequencies.


Glasgow Solar Physicists Honoured by NASA

rhessi_team_collage_2013In July the Science and Data Analysis Team working on NASA’s RHESSI satellite was honoured with a NASA Group Achievement Award. Of the 40 members of the team, 9 have strong links with Glasgow University, being current staff members and/or past PhD graduates in Solar Physics. The strong Glasgow representation in this international team builds on the early seminal work of Professor John C. Brown, ex Regius Chair in Astronomy in the School of Physics and Astronomy. The award was made in recognition of the team’s sustained, outstanding scientific achievement over a full solar cycle.


Royal Astronomical Society Specialist Discussion Meeting on the life of solar prominences

SDO/AIA images of a filament on the sun from August 31, 2012. From upper left and going clockwise: 335, 171, 304 and 131 Å channels

SDO/AIA images of a filament on the sun from August 31, 2012. From upper left and going clockwise: 335, 171, 304 and 131 Å channels

Registration is now open for the Royal Astronomy Society Specialist Discussion Meeting devoted to solar prominences on Friday 21st February in the RAS premises in London, UK. Abstracts can be submitted at the meeting web page.

This specialist discussion meeting aims to review our current understanding of the life-cycle of solar prominences. How do they form? How do they interact with their environment, from the photosphere to the corona? How do they disappear? What is their contribution to Space Weather? Addressing these questions relies on interactions between experts in plasma physics, MHD, magnetic field modelling and observation, spectroscopy, radiation transfer, … This will be an excellent opportunity to discuss open issues in this area of interest to solar and stellar physicists, keeping in mind recent and future developments in observations and in modelling.


500 years of Glasgow Astronomy

Dr David Clarke (Honorary Research Fellow and ex-Observatory Director) has written a book on the history of astronomy in Glasgow titled “Reflections on the Astronomy of Glasgow: A story of some 500 years” (Edinburgh University Press). In it David describes how astronomy contributed to the educational enlightenment of Glasgow and to its society and commerce.

The book is available at a special price from Edinburgh University Press till 30-Sep-2013 via this form and is also available on amazon.

How Astronomy contributed to the educational enlightenment of Glasgow, to its society and to its commerce

The book provides a comprehensive narrative concerning Glasgow’s connections with Astronomy since the University’s establishment in 1451. It covers the educational and scientific contributions of notable and sometimes notorious individuals, providing biographies of outstanding people, including George Sinclair, the Professors Dick , the Professors Wilson, James Watt, John Pringle Nichol, Robert Grant, Ludwig Becker and William Smart. Through such people, discoveries related to sunspots, the monochromaticity within light, the behaviour of dew-point and the discovery of infra-red radiation remarkably have Glasgow connections.

The early part nineteenth century saw a thirst for astronomical knowledge by the local population with the establishment of two public observatories in the City. The second was rescued financially by the University in 1845 with a remit for establishing a time service for shipping on the Clyde. Following ‘Glasgow’s Big Bang of 1863’, with an unwarranted Edinburgh intrusion for establishing a time-gun, the resulting spat was covered in heated exchanges in the Herald with the editor demeaning of the title of Astronomer Royal for Scotland; in the end the local Horselethill Observatory won out to provide telegraphic time signals for the control of City public clocks. The establishment of eight different observatories is described with details of their architecture.

Overall, the story is a collection of local material and its relationship to the general development of the subject of astronomy, with insights on commercial and social aspects, so supporting a unique picture of astronomical connections with the City of Glasgow.


Group research selected for journal cover image

A figure from a recent published paper by group members was chosen as cover image for this month’s volume of the Astronomy & Astrophysics journal. The image shows a map of heated plasma ejected from the corona and the paper (Hannah & Kontar, A&A v553 A10 2013) is focused on a method to obtain maps of the emission as a function of temperature from observations of a coronal mass ejection (CME) observed by NASA’s SDO/AIA.


Auroras Shine Light On Solar Flares — Group Research in University News

Solar flares are huge cosmic blasts of UV light, X-rays and high-energy particles from the Sun that can damage power grids and satellites. Inspired by the Northern Lights, Dr Alexander Russell and Dr Lyndsay Fletcher have shown how magnetic waves could help move energy tens of thousands of kilometres in less than a second to power flares.

See the story at: http://www.gla.ac.uk/news/headline_270276_en.html
Read the paper at: http://iopscience.iop.org/0004-637X/765/2/81/