astrophysics topics for research

For example, in globular clusters, LMXBs may form as a result of the tidal capture of a neutron star by a normal star. They also use data from current missions and use suborbital science investigations to advance NASA science goals. Astronomy Now: This is the site for the magazine Astronomy Now and has articles on all kinds of stuff that has to do with astronomy. term. By adjusting the distributions of stars on tori, models are obtained for the interpretation of the kinematics of stars in the Milky Way. Broadly, this research can be classified into three topics: 1. But due to excessively busy schedule of graduates it is not possible for them to manage topic and work on them as well. Experimental astro… We will do this in the Science Center, Room 309A (check for changes!). Understanding how galaxies form and unravelling the nature of the origin of the large-scale structure of the Universe are key unresolved issues in cosmology. The present paradigm for galaxy formation and evolution has galaxies assembling in their dark matter halos as these merge to form ever more massive objects over cosmic time. One current study explores the hypothesis that the dark matter in our galactic halo and in the halos of nearby galaxies consists of massive stable relic particles which occasionally annihilate to produce a substantial flux of sub-GeV cosmic ray antiprotons, high energy gamma-rays and neutrinos with unique spectral signatures. In addition, we also work on applications and refinements of the more traditional Schwarzschild method. more advanced view of astrophysics which includes astrophysical processes and Our research group combines observational, computational and theoretical techniques to explore a wide range of open questions about the physics and properties of stars, galaxies and the Universe, focusing on probing how stars and stellar systems evolve, the properties of and physics behind the most extreme astrophysical objects (neutron stars, black holes, and quasars), and the physics and structure of the Universe on extragalactic scales. SWIFT's novelty stems from the combination of a very high throughput image slicer based integral field unit, a CCD detector with very high sensitivity at red wavelengths, and the enhanced sensitivity and resolution afforded by an adaptive optics system. The astronomical instrumentation group at Oxford has expanded rapidly in the last year, with a strong influx of new personnel and new projects. List of Interesting Physics Research Project Topics. This latter, more likely, possibility may be understood by irradiation effects which can dramatically change the structure of the irradiated normal star. Astrophysics is a science that employs the methods and principles of physics in the study of astronomical objects and phenomena. These cool physics topics will give you just the calm you need for that research paper, presentation, or exam. We aim to disentangle the effects of the radio activity, and the active nuclei which power them, from the underlying starlight. These seemingly diverse realms coincide in the Big Bang cosmology, which provides a unique particle accelerator that operates up to energies of 1019 GeV. One of these surveys used the two-degree field (2dF) facility at the Anglo-Australian Telescope, which allows simultaneous measurement of the spectra of several hundred galaxies over that field. However, statistical comparisons between millisecond pulsars and LMXBs suggest that there are either too many millisecond pulsars relative to the number of LMXBs or that the duration of the LMXB phase has been overestimated by a large factor. Local galaxies can be studied with greater precision and linear resolution than high redshift galaxies allowing us to make connections between their structure, dynamics and star-formation history. Good Topics For A Physics Research Paper In College. Through a developing link with the CLRC's Rutherford Appleton Laboratory (also involved in the FMOS project) we are also contributing to the design and construction of a new 4-m. class survey telescope (VISTA) which will be sited close to the VLT in Chile in 2006. Researchers in Oxford are working in collaboration with colleagues around the world on major surveys, in particular the Supernova Legacy Survey to find and study distant supernovae, using the world's leading observational facilities. List of 64 Astronomy Research Paper Topics. After tedious research and consultations. Following the exciting discovery of low-amplitude pulsation in seventeen sdB stars, the techniques of asteroseismology are being used to constrain stellar evolution models through a determination of envelope structure. We are taking a major role in the construction of the UK-Japan near-infrared, fibre-fed, multi-object spectrograph, FMOS, for the 8m Subaru telescope. Oxford also is a node in the European networks on Type Ia Supernovae (theory and observation). An improved understanding of protogalaxy evolution will have profound implications for understanding chemical evolution and for interpreting far infrared and submillimetre observations of star- forming galaxies in the distant Universe. In the latter case, the core of the star collapses to leave a compact remnant, a neutron star or in some cases a black hole. R. Johnson, D. Rigopoulou, P. Roche, I. Soechting, The UK is a 25 percent partner in the international Gemini Observatory which operates two 8-m telescopes on the best observing sites in the world, Mauna Kea in Hawaii and Cerro Pachon in Chile. There are good opportunities for graduate students studying for t… Through statistical studies of galaxies in different environments over a range of redshift we can eliminate candidate mechanisms. A recently published better understanding of sdB star evolution should help determine the contribution of sdB stars to the observed ultraviolet upturn in giant elliptical galaxies, with the view to its calibration as an age indicator. Both sub-departments are situated close to each other on the Keble Road site, close to the centre of Oxford and the University Parks. Oxford Astrophysics has been successful in attracting long-term Royal Society, PPARC Advanced and other Senior Research Fellows funded by a grant from the Leverhulme Trust. Improved techniques for the analysis of stellar spectra are under development; these take advantage of better computer hardware, numerical methods and (most important of all) recent advances in atomic and molecular physics. The interface of cosmology and particle physics plays a critical role in motivating such research. Astrophysics and space science. The star formation histories of disk and elliptical galaxies and their high redshift counterparts provide vital clues to galactic evolution. The core is a remnant of the formation process, not the result of a late merger. mid-term exam. Topics: Astrophysics. The group also coordinates the UK scientific perspectives on the telescopes, instruments and operations and represents these to our international partners. We are also involved in a joint OPTICON-PPARC effort to define and develop science programs for the next generation of 30 and 100 meter telescopes (ELTs). Over the last decade, Binney and co-workers have been developing a new method (the Oxford Torus Project) to analyse the stellar kinematics of nearby stars. A few stars, for instance, have photospheres composed of 99% helium and 1% carbon (by numbers) with all other elements (including hydrogen) present only in trace amounts. Early results indicate that it is possible to trace cool material out to 10s of parcsec from the nucleus, and we are now extending these measurements to a larger sample of nearby galaxies. New instruments on the Gemini 8-m telescopes allow us to investigate these dusty circumnuclear regions at high spatial resolution for the first time. The increasingly refined measurements of anisotropies that have been detected over a range of angular scales are beginning to constrain and even challenge theoretical models. Determination of the three-dimensional structure of the Universe requires surveys covering a large fraction of the observable Universe, and these surveys must account for a variety of biases and projection effects. Applications for graduate study in astrophysics are considered jointly by the two sub-departments. 8. Much of the focus at Oxford, however, has been on developing a more powerful scheme that makes use of the fact that, when viewed in action-angle co-ordinates, stellar motions are particularly simple, with the stars moving on three-dimensional tori. principles. J F Wheater* Conformal symmetries and their extensions are a powerful tool in the study of field theories. It has been recognised for 30 years that the space density of quasars was much higher in the past than at the present day. limitations and uncertainties. Together with consortium partners in Germany (MPE, Garching and USM, Munich) and the UK (Univ. The formation of planets around pulsars (indeed, the first planets outside the solar system were discovered around pulsars) is a related problem of much current interest. Astrophysics and space science research efforts at JPL primarily study the physics and origins of our galaxy, and ultimately the universe. Savilian Professor of Astronomy: Professor Joe Silk Semi-analytical techniques can be applied to yield global star formation rates in disk galaxies and evolve nearby galaxies backwards in time. In addition to using normal and active galaxies as cosmological probes, there are a number of programmes at Oxford which aim to improve our understanding of how active galaxies work. Planned radio and submillimetre wavelength experiments using telescopes on balloons (the recent BOOMERANG experiments), satellites (MAP in 2001- and Planck from 2007) and ground-based interferometer arrays will approach a level of sensitivity that will definitively measure many, if not all, cosmological parameters with unprecedented precision. Or if you are a student looking for a science experiment, I have posted step-by-step instructions for a variety of projects and you can find a list of links in my article: Science Fair Experiments. As a result of a complete merger, the neutron star sinks to the centre of the massive star forming a new hybrid object, generally referred to as a Thorne-Zytkow object (TZO). Astrophysics: Interdisciplinary views of … This is an important test because the use of Type Ia supernovae for cosmology hinges on the assumption that the populations are similar and that Type Ia supernovae can be calibrated as "standard candles" out to redshifts of around one. Recently we have been looking at the details of the spectra of distant supernovae and comparing them with their nearby counterparts, in order to search for possible signs of evolution in the population. Show: News Articles. When writing your college level physics research paper, you need to begin with a great topic. Oxford researchers are carrying out a co-ordinated program to build up a larger sample of black hole mass measurements, especially at the low and high mass ends, to explore the dependence of black hole mass on galaxy morphology, level of activity, radio properties etc. Group members observe with the most technologically advanced tele… M Bureau, K Blundell, G Cotter, G Dalton, R Davies, I Hook, R Johnson, L Miller, S Rawlings, N Thatte. This will be used to identify candidate clusters of galaxies at a range of cosmological epochs, which will be followed up using the new generation of 8-m. telescopes to study the evolution of galaxies and galaxy clustering. In particular, the secondary may become inflated which leads to accelerated evolution and a shorter duration of the LMXB phase. Oxford is also a partner in consortia designing and building second generation instruments for the European Southern Observatory's VLT and the Gemini telescopes, notably KMOS, MUSE, WFMOS and ExAOC. Physics World represents a key part of IOP Publishing's mission to communicate world-class research and innovation to the widest possible audience. SN 1987A was the first naked-eye supernova since Kepler's supernova in 1604 and is a highly anomalous supernova. Perhaps you would like to determine how best to aim a rifle in order to hit a target with a bullet. This includes Type Ia supernovae which have been used as important cosmological distance candles despite the fact that the physics of these explosions are yet poorly understood. The search for gravitational lenses is based on an extensive VLA (Very Large Array, an array of 27 telescopes in the plains of New Mexico) survey, follow… Astrophysics Astrophysics is the Physics applied to the understanding of the Universe and all its celestial bodies and their interactions. Our work on these problems involves N-body simulation as well as more analytical approaches. The group is involved in a wide-range of projects covering a whole range of frequencies, from low radio frequecies to hundreds of GHz, and develops novel techniques to be used in future experiments. How the luminous components of galaxies come to have their present appearance, why some have disks and others do not and when the major star forming episodes occurred are some of the central goals of our observational work on galaxy evolution. In both cases, future observations and theoretical calculations will be required to confirm or refute the suggested binary connections. Type Ia supernovae have recently been used as cosmological distance candles (See Section 1.1.9) to measure the curvature of the Universe. It’s the foundation upon which the entire paper is built. Similarly, very little is presently known about the progenitors and the central engine of gamma-ray bursts, the largest explosions in the Universe. Spectra of the close nuclear environment also provide kinematic information about gas in the narrow line region, and allow us to probe the physical conditions and excitation mechanisms of the circumnuclear environment. We are preparing an observing project for the class which will used the Work is now underway to understand the nature of the mysterious "Dark Energy" driving this acceleration. See our list of physics research paper topics.Physics is the science that deals with matter and energy and with the interaction between them. We are presently studying various types of binary systems proposed as progenitors for Type Ia supernovae and model the evolution of the population of these progenitors since the early Universe, using binary population synthesis methods. Much of this research is driven by observations from the new generation of telescopes and instruments, including the HST and preparation for future missions, such as ALMA, PLANCK, NGST, and the new generation of cosmic microwave background experiments. Philip Wetton Professor of Astrophysics & Head of Astrophysics: Professor Roger Davies The matter fluctuations may be traced by making surveys of galaxies, clusters of galaxies, quasars or radio sources. The current suite of operational Great Observatories include the Hubble … Very different conditions hold in the nuclei of starburst and active galaxies, but here too interstellar material plays a key role, often girdling the galaxy nuclei and hiding them from direct view and leading to different classifications of Seyfert galaxies. As we probe the galaxy distribution to fainter magnitude limits, the study of galaxy clustering is affected by the evolutionary histories of the galaxies themselves, as we see more distant objects at earlier times. We are planning to use these predicted anomalies to search for these objects observationally. Physics Project Topics and Research Materials. Archaeoastronomy; Asteroid; Big bang theory; Binary star; Black hole; Brown dwarf; Calendar; Celestial mechanics; Comet; Constellation; Cosmic ray; Cosmology; Dark matter; Earth (planet) Eclipse; Extrasolar planet; Galaxy; Gamma ray; Gamma-ray burst; Gravity and gravitation; Infrared astronomy; International Ultraviolet Explorer; Interstellar matter In turn this will give new information on the fragmentation of molecular clouds as they collapse to form stars. Patrick Roche is probing star forming regions to investigate the formation of low mass stars and planetary mass objects with the aim of increasing our understanding of these common, but poorly-understood members of the Galactic stellar population and the mechanisms by which they form. At the moment, these anomalies can be best explained if the progenitor originally was in a binary and has merged with its companion in the not-too-distant past. Besides measuring the fraction of nuclear luminosity attributable to star formation, these observations also address the issue of fuelling of the active nucleus. There are good opportunities for graduate students studying for the D.Phil research degree (equivalent to Ph.D.). The Anglo-Australian 2dF Redshift Survey measured redshifts for 250,000 galaxies; this provided the first three-dimensional measurements of galaxy clustering on the large scales that may be studied at early cosmic epochs by measuring fluctuations in the microwave background. Parks Road As a student, you’ll be have to write a research … KMOS is expected to be operational in 2009. The study of the early Universe thus provides a unique laboratory for searching for relics from very early epochs for testing ideas from such theories as grand unification and supergravity. OX1 3PU, Further information - Martin Bureau & SAURON, Further information on the Experimental Cosmology group, Theoretical Astrophysics and Plasma Physics, © 2020 The University of Oxford Department of Physics, 01865 273333 (Switchboard-Denys Wilkinson Building). Another area undergoing rapid development is the study of the Bulge of the Milky Way. At present, a feasibility study is being carried out. Key questions include: why do only some active galaxies develop powerful radio-emission; what is the link between extranuclear star formation and nuclear activity; is there a link between the mass and structure of the host galaxy and the type of nuclear activity; why were there large changes in the space density of active galaxies with cosmic time? simulations which makes numerical modelling important for the laboratory plasma astrophysics. However, it can be a daunting task to find unique, interesting topics like the ones listed below: How can physics reduce global warming? We are now involved in designing, fabricating and deploying second generation instruments at three different 8-meter class telescopes - the European Southern Observatory's Very Large Telescope (VLT), the Gemini telescopes and the Japanese Subaru telescope. In addition, Oxford hosts the UK's Gemini Support Group which seeks to assist UK observers with preparation and exploitation of their Gemini programmes, putting us in an ideal position to exploit these facilities. We are also determining how the entropy injected into the intergalactic medium by jets influences galaxy formation and evolution. Oxford workers are pursuing programmes to study the most distant examples of these objects. Like quasars and other active galaxies, luminous radio sources are also concentrated in the younger Universe. Each week we will also discuss a current preprint available on the Thus by measuring both the kinematics and the ages of the stellar population we are able to deduce the evolutionary history of galaxies. Again our main interest is in understanding what type of stellar system can produce the progenitors of these spectacular events. Many massive X-ray binaries are predicted to merge in the near future. Displaying 1 - 15 of 204 news articles related to this topic. The Oxford instrumentation group have recently won a Marie Curie Excellence Grant from the European Commission for the design and realisation of SWIFT, a novel integral field spectrograph. One of the more striking results to have come out of these and other models is that most reasonably large galaxies harbour so-called `supermassive' black holes at their centres. However, star formation can sometimes play a major role in the energetics of the nuclear region. Active galactic nuclei are thought to be powered by massive black holes. SWIFT will explore the kinematics and dynamics of galaxies at moderate and high redshift, using emission lines shifted into its bandpass. Remember!! While no such TZO has yet been discovered, recent theoretical calculations predict that these objects should show anomalous surface abundances of many chemical elements which should be easily detectable spectroscopically. G Dalton, R Davies, I Hook, I Lewis, P Roche, M Tecza, N Thatte. It is a very ambitious project, as it will require major modifications to the Gemini telescope, and to the way in which the Observatory is run. Fiona Riddick is completing her D.Phil thesis on the low mass H-R diagramme in the Orion nebula, which will provide estimates of the timescale for star formation and test theoretical models of very young (~1Myr) recently formed stars and brown dwarfs. We are the principal UK partners with Japan in the construction of a wide-field, multi-object, infrared spectrograph project (FMOS). We are also involved in a large consortium that will carry out a feasibility study for WFMOS, the most challenging of the Gemini second generation instruments. High resolution observations using adaptive optics at near infrared wavelengths we can assemble galaxy... These cool physics topics list prepared specially for you like to determine best... 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