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Cordes, Jim
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- Professor, Astronomy (ASTRO), College of Arts and Sciences
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Affiliations
Research
research overview
- James Cordes's research interests include radio astronomy, neutron stars, pulsars, the interstellar medium, the search for extraterrestrial intelligence, signal processing techniques, statistical inference, and topics in computer science. He regularly makes observations using radio telescopes in Arecibo, Puerto Rico, the Very Large Array in New Mexico, the Parkes telescope in Australia, and the Very Long Baseline Array, headquartered in New Mexico. Cordes also makes infrared and optical observations using the Hale Telescope at Palomar and has taken part in joint radio and gamma-ray observations using the Compton Gamma-ray Observatory and X-ray Timing Explorer. He also uses the Hubble Space Telescope and the Chandra X-ray Satellite in his multiwavelength work. He is currently planning observations using the upgraded Arecibo Observatory and a new multiple-feed receiver system that involve deep searches for radio pulsars. He is also heavily involved in the Square Kilometer Array project, a next-generation radio telescope.
principal investigator on
- A TECHNOLOGY DEVELOPMENT PROJECT FOR THE LARGE-N / SMALL-D SQUARE KILOMETER ARRAY CONCEPT awarded by NATL SCIENCE FOUNDATION 2007 - 2012
- COLLABORATIVE RESEARCH: EINSTEIN@HOME awarded by DIRECTORATE FOR MATHEMATICAL & PHYSICAL SCIENCES NSF 2011 - 2016
- COLLABORATIVE RESEARCH: MASSIVE SURVEYS FOR PULSARS AND RADIO TRANSIENTS USING THE ARECIBO L-BAND FEED ARRAY awarded by DIRECTORATE FOR MATHEMATICAL & PHYSICAL SCIENCES NSF 2008 - 2012
- MANAGEMENT OF ARECIBO DATA awarded by NATL SCIENCE FOUNDATION 2012
- PIRE: AN INTERNATIONAL PULSAR TIMING ARRAY FOR GRAVITATIONAL WAVE DETECTION awarded by OFFICE OF INTERNATIONAL SCIENCE AND ENGINEERING NSF 2010 - 2013
- USING RADIO PULSARS TO PROBE GRAVITY, DARK MATTER, AND STELLAR POPULATIONS IN THE GALACTIC CENTER awarded by DIRECTORATE FOR MATHEMATICAL & PHYSICAL SCIENCES NSF 2011 - 2014
co-principal investigator on
Publications
individual publications
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academic article
- Multiwavelength constraints in pulsar populations in the galactic center. The Astrophysical Journal. 753. 2012
- Detecting gravitational wave memory with pulsar timing. The Astrophysical Journal. 752. 2012
- Minimum requirements for detecting a stochastic gravitational wave background using pulsars. The Astrophysical Journal. 750. 2012
- Prospects for probing the spacetime of Sgr A* with pulsars. The Astrophysical Journal. 747. 2012
- Discovery of three pulsars from a galactic center pulsar population. Astrophysical Journal Letters. 702. 2009
- Rocking the lighthouse: circumpulsar asteroids and radio intermittency. The Astrophysical Journal. 682. 2008
- The Brightest Pulses in the Universe: Multifrequency Observations of the Crab Pulsar's Giant Pulses. The Astrophysical Journal. 612. 2004
- A New Search Technique for Short Orbital-period Binary Pulsars. The Astrophysical Journal. 589. 2003
- Bow Shocks from Neutron Stars: Scaling Laws and Hubble Space Telescope Observations of the Guitar Nebula. The Astrophysical Journal. 575. 2002
- The Gamma-Ray Pulsar Population. The Astrophysical Journal. 538. 2000
-
article
- Pulsar discovery by volunteer computing. Science. 329:1305 . 2010
selected publications listing
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-Cordes, J. M., R. W. Romani, and S. C. Lundgren. "The Guitar Nebula: A Bow Shock from a Slow-Spin, High-Velocity Neutron Star." Nature 362, 133 (1993).
-Taylor, J. H., and J. M. Cordes. "Pulsar Distances and the Galactic Distribution of Free Electrons." Ap. J. 411, 674 (1993).
-Lazio, T. J. W., and J. M. Cordes. "Pulsars, Planets, and Genetics." Mercury 24, 23_26 (1995).
-Cordes, J. M., T. J. W. Lazio, and C. Sagan. "Scintillation Induced Intermittency in SETI." Ap. J., submitted (1995).
-McLaughlin, M. A. and Cordes, J. M. "The Gamma-Ray Pulsar Population", Astrophysical Journal, 538, 818, (2000).
-Chatterjee, S. and Cordes, J. M. "Bow Shocks from Neutron Stars: Scaling Laws and Hubble Space Telescope Observations of the Guitar Nebula" Astrophysical Journal, 575, 407 (2002).
-Ransom, S. M., Cordes, J. M. and Eikenberry, S. S. "A New Search Technique for Short Orbital-period Binary Pulsars" Astrophysical Journal, 589, 911 (2003).
-Cordes, J. M. et al. "The Brightest Pulses in the Universe: Multifrequency Observations of the Crab Pulsar's Giant Pulses" preprint,astro-ph/0304495 (2003).
featured in archived article
Teaching
teaching activities
- ASTRO-4940: Independent Study in Astronomy - Spring 2013
- ASTRO-6523: Signal Modeling, Statistical Inference, and Data Mining in Astronomy - Spring 2013
- ASTRO-6940: Advanced Study and Research - Spring 2013
- ASTRO-4410: Experimental Astronomy - Fall 2012
- ASTRO-4940: Independent Study in Astronomy - Fall 2012
- ASTRO-6940: Advanced Study and Research - Fall 2012
- ASTRO-2299: Search for LIfe in the Universe - Spring 2012
- ASTRO-4940: Independent Study in Astronomy - Spring 2012
- ASTRO-6940: Advanced Study and Research - Spring 2012
- ASTRO-4410: Experimental Astronomy - Fall 2011
- ASTRO-4940: Independent Study - Fall 2011
- ASTRO-6940: Advanced Study and Research - Fall 2011
Background
education and training
- Ph.D., University of California, San Diego 1975