Astronomy Observation and Theory Consolidated Grant 2012
Lead Research Organisation:
University of Cambridge
Department Name: Institute of Astronomy
Abstract
This proposal is for a single Consolidated Grant to support the
majority of research in Theoretical and Observational Astrophysics at
the Institute of Astronomy (IoA) in Cambridge. The new grant subsumes
research activity previously supported by STFC under the three generic
themes: "Theory", "X-ray Astrophysics" and "Galaxy Formation and
Evolution".
The theoretical research profile includes work to understand the
origin of the Universe itself. Members of the IoA are play a leading
role in the European Space Agency Planck mission, and will lead a
definitive determination of the parameters that both define the
geometry of the Universe and quantify the age, size, dark matter, dark
energy and baryonic content. The research links to one of the key
goals in astrophysics: constraining the properties of the dark matter
and dark energy content of the Universe.
The Universe today is filled with galaxies, of which our own Milky Way
is a not atypical example. A full understanding of galaxy formation
and evolution requires multiple lines of attack. Observations of the
resolved stellar populations in the Milky Way and its Local Group
companions provide a detailed fossil record of the dynamical
assemblies of the galaxies, the formation of stars, and the buildup of
heavy elements over a wide range of mass scales and initial
conditions. At the other end of the scale, observations of distant
galaxies spanning lookback times of up to 12 Gyr provide direct
measurements of the evolution of galaxy populations and the buildup of
stars and metals with cosmic time. Finally, measurements of the
large-scale star formation and abundance properties of nearby galaxies
form a vital astrophysical bridge between the studies of nearby
resolved stellar populations and the distant high-redshift
investigations, by allowing us to characterise the evolutionary
properties of the Hubble sequence and the complex "gastrophysical"
processes that regulate the accretion of gas and the formation of
stars in galaxies.
It is now recognised that there is an intimate link between the
evolution of galaxies and the origin and properties of super-massive
black holes, which reside at the centre of the Milky Way and other
galaxies. The regions close to black holes allow the exploration of
physics at the extremes. The formation and properties of super-massive
black holes and their relation to the galaxies in which they reside is
a research theme that involves theory, X-ray astrophysics and
observational programmes in the grant. The X-ray based research will
measure the spin of both the super-massive black holes, which power
the enormous energy emissions from quasars, and the stellar-mass black
holes in binary star systems. This work, based on spectroscopy of
relativistically-broadened iron lines, will also provide insights into
the accretion phenomena that power the systems.
Within galaxies, the grant focuses on star formation, from the giant
molecular clouds which give birth to stars, down to the more detailed
investigations of the processes that lead to the formation of stars
and star clusters within these molecular clouds. The investigations
will combine state-of-the-art numerical simulations with analytical
theory and a new set of multi-wavelength observations of nearby
galaxies being obtained with the Herschel and Spitzer space
observatories under IoA leadership.
The quest to study planetary systems around stars and their formation
is another key goal. Research activity in the grant extends from
searches for the elusive brown-dwarf companions to normal hot stars
through to theoretical work that concentrates on the properties of
debris discs, discs of asteroids, cometary objects, and dust
surrounding stars. A feature of the research is the investigation of
debris discs surrounding both stars on the main sequence (where they
spend the majority of their lives) and in the final stages of their
evolution.
majority of research in Theoretical and Observational Astrophysics at
the Institute of Astronomy (IoA) in Cambridge. The new grant subsumes
research activity previously supported by STFC under the three generic
themes: "Theory", "X-ray Astrophysics" and "Galaxy Formation and
Evolution".
The theoretical research profile includes work to understand the
origin of the Universe itself. Members of the IoA are play a leading
role in the European Space Agency Planck mission, and will lead a
definitive determination of the parameters that both define the
geometry of the Universe and quantify the age, size, dark matter, dark
energy and baryonic content. The research links to one of the key
goals in astrophysics: constraining the properties of the dark matter
and dark energy content of the Universe.
The Universe today is filled with galaxies, of which our own Milky Way
is a not atypical example. A full understanding of galaxy formation
and evolution requires multiple lines of attack. Observations of the
resolved stellar populations in the Milky Way and its Local Group
companions provide a detailed fossil record of the dynamical
assemblies of the galaxies, the formation of stars, and the buildup of
heavy elements over a wide range of mass scales and initial
conditions. At the other end of the scale, observations of distant
galaxies spanning lookback times of up to 12 Gyr provide direct
measurements of the evolution of galaxy populations and the buildup of
stars and metals with cosmic time. Finally, measurements of the
large-scale star formation and abundance properties of nearby galaxies
form a vital astrophysical bridge between the studies of nearby
resolved stellar populations and the distant high-redshift
investigations, by allowing us to characterise the evolutionary
properties of the Hubble sequence and the complex "gastrophysical"
processes that regulate the accretion of gas and the formation of
stars in galaxies.
It is now recognised that there is an intimate link between the
evolution of galaxies and the origin and properties of super-massive
black holes, which reside at the centre of the Milky Way and other
galaxies. The regions close to black holes allow the exploration of
physics at the extremes. The formation and properties of super-massive
black holes and their relation to the galaxies in which they reside is
a research theme that involves theory, X-ray astrophysics and
observational programmes in the grant. The X-ray based research will
measure the spin of both the super-massive black holes, which power
the enormous energy emissions from quasars, and the stellar-mass black
holes in binary star systems. This work, based on spectroscopy of
relativistically-broadened iron lines, will also provide insights into
the accretion phenomena that power the systems.
Within galaxies, the grant focuses on star formation, from the giant
molecular clouds which give birth to stars, down to the more detailed
investigations of the processes that lead to the formation of stars
and star clusters within these molecular clouds. The investigations
will combine state-of-the-art numerical simulations with analytical
theory and a new set of multi-wavelength observations of nearby
galaxies being obtained with the Herschel and Spitzer space
observatories under IoA leadership.
The quest to study planetary systems around stars and their formation
is another key goal. Research activity in the grant extends from
searches for the elusive brown-dwarf companions to normal hot stars
through to theoretical work that concentrates on the properties of
debris discs, discs of asteroids, cometary objects, and dust
surrounding stars. A feature of the research is the investigation of
debris discs surrounding both stars on the main sequence (where they
spend the majority of their lives) and in the final stages of their
evolution.
Planned Impact
The University of Cambridge has one of the most successful programmes for encouraging knowledge transfer and resulting societal impact between University departments and industry both in the UK and elsewhere. Postdoctoral staff employed on the grant have access to and are encouraged to undertake a full range of career development courses, organised by the University, which aid them in identifying and better transferring their applicable skills more widely. These skills include advanced statistical, computational and modelling techniques, systems design, image analysis, data handling, communication of science.
The IoA's approach to the search for impact opportunities has been guided by the mechanisms the University has in place to facilitate this. Specifically, it is now involved in the transfer of a range of techniques directly or indirectly developed to support its research. The further research breakthroughs expected though the activities supported by this grant over the period 2013-2016 will in turn drive the development of techniques and processes of wider applicability.
For instance the Planck research [3.1] involves the development of advanced modelling techniques which are now actively being applied to development of optics through a small spin out enterprise. Visualisation techniques developed to support the analysis of X-ray data [3.8] have led to the development and open source release to the wider community of a fully featured interactive plotting package].
The cutting edge IoA research themes help to inform and set vigorous demands on the processing and image analysis software developed more widely in the ioA, for instance in the IoA's Cambridge Astronomical Survey Unit. These analysis techniques in turn, have been found to be extremely powerful when utilised in other settings, for instance image analysis and data handling systems applied to the medical domain. Thus CASU recently had a one year Knowledge Exchange MRC grant to apply these techniques to the analysis of tissue micro array (TMA) data supporting oncological research programmes at Cancer Research UK's, Cambridge Research Institute (CRI). This work attracting considerable external attention (e.g. The PathGrid system formed the centrepiece of an extended xsnews feature in the Science special issue 'Dealing with Data' (vol 331, Feb 12, 2011).).
Published results demonstrate the effectiveness of the analysis applied to the measurement of ER protein expression in TMA data. With co-workers in the CR-UK, The University of Cambridge Dept of Oncology, Strangeways Laboratory, and the Department of Histopathology at Addenbrooke's Hospital in Cambridge, the latest application of PathGrid is to a significant large scale study - with a dataset of over 2400 tumours. Future beneficiaries include BBSRC's Institute of Food Health. CASU are initiating validation pilots with the Dept of Pathology at Addenbrooke's NHS hospital, aiming to deploy the PathGrid processing system in the Addenbrooke's clinical setting of high throughput analysis of routine breast cancer pathology tests. PathGrid has the potential to increase the effectiveness of clinical health care and enhance the quality of life of those with cancer, through improved outcomes through better targeted therapeutic treatments.
The IoA has a powerful 'understanding of science' programme. The outreach programme engages teachers, who in turn input IoA research ideas into their primary and secondary school curricula. It highlights women in science, providing role models to inspire future researchers The public observing programme reaches many thousands of people, inspiring them to make their own discoveries of the night sky. The IoA 'Artist in Residence' generates powerful multi-media material placing astrophysical science in the wider cultural context. Taken together IoA science, through its outreach, directly impacts in an uptake of young people entering science and public interest in science.
The IoA's approach to the search for impact opportunities has been guided by the mechanisms the University has in place to facilitate this. Specifically, it is now involved in the transfer of a range of techniques directly or indirectly developed to support its research. The further research breakthroughs expected though the activities supported by this grant over the period 2013-2016 will in turn drive the development of techniques and processes of wider applicability.
For instance the Planck research [3.1] involves the development of advanced modelling techniques which are now actively being applied to development of optics through a small spin out enterprise. Visualisation techniques developed to support the analysis of X-ray data [3.8] have led to the development and open source release to the wider community of a fully featured interactive plotting package].
The cutting edge IoA research themes help to inform and set vigorous demands on the processing and image analysis software developed more widely in the ioA, for instance in the IoA's Cambridge Astronomical Survey Unit. These analysis techniques in turn, have been found to be extremely powerful when utilised in other settings, for instance image analysis and data handling systems applied to the medical domain. Thus CASU recently had a one year Knowledge Exchange MRC grant to apply these techniques to the analysis of tissue micro array (TMA) data supporting oncological research programmes at Cancer Research UK's, Cambridge Research Institute (CRI). This work attracting considerable external attention (e.g. The PathGrid system formed the centrepiece of an extended xsnews feature in the Science special issue 'Dealing with Data' (vol 331, Feb 12, 2011).).
Published results demonstrate the effectiveness of the analysis applied to the measurement of ER protein expression in TMA data. With co-workers in the CR-UK, The University of Cambridge Dept of Oncology, Strangeways Laboratory, and the Department of Histopathology at Addenbrooke's Hospital in Cambridge, the latest application of PathGrid is to a significant large scale study - with a dataset of over 2400 tumours. Future beneficiaries include BBSRC's Institute of Food Health. CASU are initiating validation pilots with the Dept of Pathology at Addenbrooke's NHS hospital, aiming to deploy the PathGrid processing system in the Addenbrooke's clinical setting of high throughput analysis of routine breast cancer pathology tests. PathGrid has the potential to increase the effectiveness of clinical health care and enhance the quality of life of those with cancer, through improved outcomes through better targeted therapeutic treatments.
The IoA has a powerful 'understanding of science' programme. The outreach programme engages teachers, who in turn input IoA research ideas into their primary and secondary school curricula. It highlights women in science, providing role models to inspire future researchers The public observing programme reaches many thousands of people, inspiring them to make their own discoveries of the night sky. The IoA 'Artist in Residence' generates powerful multi-media material placing astrophysical science in the wider cultural context. Taken together IoA science, through its outreach, directly impacts in an uptake of young people entering science and public interest in science.
Organisations
Publications
Miller J
(2013)
NuSTAR SPECTROSCOPY OF GRS 1915+105: DISK REFLECTION, SPIN, AND CONNECTIONS TO JETS
in The Astrophysical Journal
Suyu S
(2013)
TWO ACCURATE TIME-DELAY DISTANCES FROM STRONG LENSING: IMPLICATIONS FOR COSMOLOGY
in The Astrophysical Journal
Chiang C
(2013)
Confirmation of the nature of the absorber in IRAS 09104+4109
in Monthly Notices of the Royal Astronomical Society
Gazzano J
(2013)
Characterisation of the Galactic thin disc with CoRoT targets
in Astronomy & Astrophysics
Heida M
(2013)
VLT/FORS2 observations of four high-luminosity ULX candidates?
in Monthly Notices of the Royal Astronomical Society
Sonnenfeld A
(2013)
THE SL2S GALAXY-SCALE LENS SAMPLE. IV. THE DEPENDENCE OF THE TOTAL MASS DENSITY PROFILE OF EARLY-TYPE GALAXIES ON REDSHIFT, STELLAR MASS, AND SIZE
in The Astrophysical Journal
Rudie G
(2013)
THE COLUMN DENSITY DISTRIBUTION AND CONTINUUM OPACITY OF THE INTERGALACTIC AND CIRCUMGALACTIC MEDIUM AT REDSHIFT ? z ? = 2.4
in The Astrophysical Journal
Cooke R
(2013)
The explosion energy of early stellar populations: the Fe-peak element ratios in low-metallicity damped Lya systems?
in Monthly Notices of the Royal Astronomical Society
Vasudevan R
(2013)
Three active galactic nuclei close to the effective Eddington limit for dusty gas
in Monthly Notices of the Royal Astronomical Society
Kara E
(2013)
Discovery of high-frequency iron K lags in Ark 564 and Mrk 335
in Monthly Notices of the Royal Astronomical Society
Boeche C
(2013)
The relation between chemical abundances and kinematics of the Galactic disc with RAVE
in Astronomy & Astrophysics
Walton D
(2013)
X-RAY OUTFLOWS AND SUPER-EDDINGTON ACCRETION IN THE ULTRALUMINOUS X-RAY SOURCE HOLMBERG IX X-1
in The Astrophysical Journal
Ishibashi W
(2013)
Can AGN feedback-driven star formation explain the size evolution of massive galaxies?
in Monthly Notices of the Royal Astronomical Society
Gallo L
(2013)
The origin of blueshifted absorption features in the X-ray spectrum of PG 1211+143: outflow or disc
in Monthly Notices of the Royal Astronomical Society: Letters
Sanfrutos M
(2013)
The size of the X-ray emitting region in SWIFT J2127.4+5654 via a broad line region cloud X-ray eclipse
in Monthly Notices of the Royal Astronomical Society
Veras D
(2013)
Exoplanets beyond the Solar neighbourhood: Galactic tidal perturbations
in Monthly Notices of the Royal Astronomical Society
Krogager J
(2013)
Comprehensive study of a z = 2.35 DLA Galaxy: mass, metallicity, age, morphology and SFR from HST and VLT?
in Monthly Notices of the Royal Astronomical Society
Gilmore G
(2013)
ELEMENTAL ABUNDANCES AND THEIR IMPLICATIONS FOR THE CHEMICAL ENRICHMENT OF THE BOÖTES I ULTRAFAINT GALAXY
in The Astrophysical Journal
Becker G
(2013)
A refined measurement of the mean transmitted flux in the Lya forest over 2 < z < 5 using composite quasar spectra
in Monthly Notices of the Royal Astronomical Society
Richardson C
(2013)
The nature of the H2-emitting gas in the Crab nebula?
in Monthly Notices of the Royal Astronomical Society
Watkins L
(2013)
A census of orbital properties of the M31 satellites
in Monthly Notices of the Royal Astronomical Society
Walton D
(2013)
HARD X-RAY LAGS IN ACTIVE GALACTIC NUCLEI: TESTING THE DISTANT REVERBERATION HYPOTHESIS WITH NGC 6814
in The Astrophysical Journal
Pillitteri I
(2013)
XMM-NEWTON OBSERVATION OF THE a PERSEI CLUSTER
in The Astronomical Journal
Norris John E.
(2013)
THE MOST METAL-POOR STARS. IV. THE TWO POPULATIONS WITH [Fe/H] ?-3.0
in ASTROPHYSICAL JOURNAL
Pinto C
(2013)
Interstellar medium composition through X-ray spectroscopy of low-mass X-ray binaries
in Astronomy & Astrophysics
Luo B
(2013)
WEAK HARD X-RAY EMISSION FROM TWO BROAD ABSORPTION LINE QUASARS OBSERVED WITH NuSTAR : COMPTON-THICK ABSORPTION OR INTRINSIC X-RAY WEAKNESS?
in The Astrophysical Journal
Bozek B
(2013)
LUMINOUS SATELLITES VERSUS DARK SUBHALOS: CLUSTERING IN THE MILKY WAY
in The Astrophysical Journal
Fabian A
(2013)
Long XMM observation of the narrow-line Seyfert 1 galaxy IRAS 13224-3809: rapid variability, high spin and a soft lag
in Monthly Notices of the Royal Astronomical Society
Miller J
(2013)
REVISITING PUTATIVE COOL ACCRETION DISKS IN ULTRALUMINOUS X-RAY SOURCES
in The Astrophysical Journal
Raimundo S
(2013)
The black hole and central stellar population of MCG-6-30-15?
in Monthly Notices of the Royal Astronomical Society
Sanders J
(2013)
Velocity width measurements of the coolest X-ray emitting material in the cores of clusters, groups and elliptical galaxies
in Monthly Notices of the Royal Astronomical Society
Fabian A
(2013)
X-ray emission from the ultramassive black hole candidate NGC 1277: implications and speculations on its origin
in Monthly Notices of the Royal Astronomical Society: Letters
Frebel A
(2013)
THE 300 km s -1 STELLAR STREAM NEAR SEGUE 1: INSIGHTS FROM HIGH-RESOLUTION SPECTROSCOPY OF ITS BRIGHTEST STAR
in The Astrophysical Journal
Nulsen P
(2013)
DEEP CHANDRA OBSERVATIONS OF A2199: THE INTERPLAY BETWEEN MERGER-INDUCED GAS MOTIONS AND NUCLEAR OUTBURSTS IN A COOL CORE CLUSTER
in The Astrophysical Journal
Kordopatis G
(2013)
Through thick and thin: Structure of the Galactic thick disc from extragalactic surveys
in Astronomy & Astrophysics
Werner N
(2013)
THE NATURE OF FILAMENTARY COLD GAS IN THE CORE OF THE VIRGO CLUSTER
in The Astrophysical Journal
Deason A
(2013)
BROKEN AND UNBROKEN: THE MILKY WAY AND M31 STELLAR HALOS
in The Astrophysical Journal
Clarke C
(2013)
Evolutionary constraints on the planetary hypothesis for transition discs
in Monthly Notices of the Royal Astronomical Society: Letters
Kordopatis G
(2013)
THE RADIAL VELOCITY EXPERIMENT (RAVE): FOURTH DATA RELEASE
in The Astronomical Journal
Frank K
(2013)
CHARACTERIZATION OF INTRACLUSTER MEDIUM TEMPERATURE DISTRIBUTIONS OF 62 GALAXY CLUSTERS WITH XMM-NEWTON
in The Astrophysical Journal
Tomsick J
(2013)
THE REFLECTION COMPONENT FROM CYGNUS X-1 IN THE SOFT STATE MEASURED BY NuSTAR AND SUZAKU
in The Astrophysical Journal
Munari U
(2014)
APASS LANDOLT-SLOAN BVgri PHOTOMETRY OF RAVE STARS. I. DATA, EFFECTIVE TEMPERATURES, AND REDDENINGS
in The Astronomical Journal
Maschberger T
(2014)
The relation between accretion rates and the initial mass function in hydrodynamical simulations of star formation
in Monthly Notices of the Royal Astronomical Society
Parker M
(2014)
Principal component analysis of MCG-06-30-15 with XMM-Newton
in Monthly Notices of the Royal Astronomical Society
Cackett E
(2014)
Modelling the broad Fe Ka reverberation in the AGN NGC 4151
in Monthly Notices of the Royal Astronomical Society
Alston W
(2014)
Detection of a QPO in five XMM-Newton observations of RE J1034+396
in Monthly Notices of the Royal Astronomical Society: Letters
Kara E
(2014)
The changing X-ray time lag in MCG-6-30-15
in Monthly Notices of the Royal Astronomical Society
Magrini L
(2014)
The Gaia -ESO Survey: Abundance ratios in the inner-disk open clusters Trumpler 20, NGC 4815, NGC 6705
in Astronomy & Astrophysics