Latest Space News
Sat, 20 Jul 2019 12:00:00 +0000
Indeed, we were witnessing “one small step for man, one giant leap for mankind.” Nevertheless, my maternal grandmother who lived with us and was born in Eastern Europe in 1890, exclaimed, “I don’t believe it and will never believe it.” SpaceNews.com
Sat, 20 Jul 2019 04:01:20 +0000
Fifty years after Apollo 11, we are in a far better position, and so much closer, to return to the moon and send humans to Mars than we ever have been in the past. There are still many technical challenges to overcome, but the biggest challenge remains the political will to do so. SpaceNews.com
Fri, 19 Jul 2019 20:22:00 +0000
Satellite and rocket hardware provider Ruag Space signed a contract with Firefly Aerospace to provide payload adapters for its small launch vehicles. SpaceNews.com
Fri, 19 Jul 2019 20:00:29 +0000
During the decades since the cancellation of the Apollo program, some have used the Chinese treasure fleets of the early 1400s as a cautionary tale. SpaceNews.com
Fri, 19 Jul 2019 19:31:29 +0000
Rocket Lab passed a milestone in the production of its Electron rocket as the company gears up for its next launch and continues work on a new launch facility. SpaceNews.com
Fri, 19 Jul 2019 17:23:00 +0000
The Connect Bidco consortium told the British government that for at least three years it would keep Inmarsat’s core network operations center and skilled engineering resources in the country once the merger, expected to close late this year, is complete.  SpaceNews.com
Fri, 19 Jul 2019 15:18:10 +0000
China carried out the controlled deorbiting of its Tiangong-2 space lab into the South Pacific, the China Manned Space Engineering Office (CMSEO) announced Friday. SpaceNews.com
Fri, 19 Jul 2019 13:36:28 +0000
Kevin O’Connell, director of the Commerce Department’s Office of Space Commerce, said the repository, called the Unified Data Library, is the first step in the transfer of some space situational awareness responsibilities as requested by the White House last year.  SpaceNews.com
Fri, 19 Jul 2019 12:00:53 +0000
The story of the Apollo program, the many heroes in the headlines and those behind-the-scenes, the unprecedented crisis and tragedies that were overcome to fulfill a martyred President’s bold promise, is a story as compelling as any great novel or Greek myth. SpaceNews.com
Fri, 19 Jul 2019 01:26:17 +0000
NASA has decided to extend the lifetimes of all eight astrophysics missions up for review, from large space telescopes to an instrument on the International Space Station. SpaceNews.com
Thu, 18 Jul 2019 23:17:32 +0000
The U.K. will invest $34 million in small satellites, will increase support for the Combined Space Operations Center. SpaceNews.com
Thu, 18 Jul 2019 17:00:44 +0000
History is now repeating itself. President Trump has declared he wants to send astronauts to the moon by 2024 and then Mars by 2033. But, in other words, NASA is saying to Trump the same thing it said to Bush: “You can’t do your program until you do my program.” SpaceNews.com
Thu, 18 Jul 2019 16:49:15 +0000
Virgin Galactic’s merger with a publicly-traded investment company is likely a one-off event based on the company and people involved, and not a sign of more fundamental changes in the industry, investors argue. SpaceNews.com
Thu, 18 Jul 2019 13:39:00 +0000
A half-century after developing the computers that guided the Apollo missions to the moon, Draper is working on technologies that it says can enable new human and robotic missions to the moon in the near future. SpaceNews.com
Thu, 18 Jul 2019 13:00:47 +0000
Just as we have built on the foundation provided by the Apollo astronauts, the next generation will build on our achievements, and future generations on theirs. SpaceNews.com
Thu, 18 Jul 2019 12:00:22 +0000
As we celebrate the 50th anniversary of the first humans to walk on the moon, you might notice we aren’t celebrating it on the moon. Why? SpaceNews.com
Thu, 18 Jul 2019 02:44:31 +0000
NASA Administrator Jim Bridenstine told a Senate committee July 17 that a cost estimate for landing humans on the moon by 2024 likely won’t be ready until the administration submits a budget request next February. SpaceNews.com
Thu, 18 Jul 2019 01:30:08 +0000
A company Cisco is poised to buy for $2.6 billion is required to pay damages to Viasat for failing to pay royalties on a decade-old technology it used from the satellite operator.  SpaceNews.com
Wed, 17 Jul 2019 23:52:21 +0000
The anomaly was detected during a routine mission assurance check. SpaceNews.com
Wed, 17 Jul 2019 20:30:51 +0000
OneWeb says its first six satellites are all healthy and have each demonstrated live video streaming in 1080 resolution from low Earth orbit. SpaceNews.com
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  • CV: Physics & Astronomy PhD

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:16-06-2015
     Last Modified:16-06-2015 (07:27)
    Job information
     Current job:Physics & Astronomy PhD
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:immediately
     Industry:Civil Agencies/International Organizations, Satellite Manufacturers and Subcontractors, Satellite Operators, , , Launch Systems, Consulting/Engineering Services
     KeywordsSoftware development, data analysis, physics, Python, C++, C
    CV

    Scientist with experience in software development looking for a technical challenge


    Education

    March 2 2015 Ph.D. in Science (Physics & Astronomy) Radboud University Nijmegen

    Thesis: “Measuring radio emission from air showers with LOFAR”. Wrote a pipeline to identify and calibrate nanosecond timescale radio pulses in data from the worlds largest low frequency radio telescope. Performed statistical analysis on the resulting dataset to characterize the radio emission. Contributed to the achievement of a major breakthrough in the field: the first high-precision radio measurement of the air shower maximum. Found a link between cosmic ray radio emission and thunderstorms opening up a new field of interdisciplinary research.

    May 27 2010 Master Physics & Astronomy (cum laude) Radboud University Nijmegen

    Thesis: “V348 Puppis”. Used non-equidistant sampling period analysis and Doppler mapping techniques on time resolved spectroscopic observations of a cataclysmic variable. Followed elective courses on numerical methods (integration, optimization, Monte Carlo simulations and neural networks) in addition to advanced courses on physics.

    August 31 2007 Bachelor Physics & Astronomy Radboud University Nijmegen

    Thesis: “LORUN - A radio telescope for the detection of cosmic rays”. Installed a prototype radio detector and wrote analysis software in C++ and Matlab/Octave.

    Skills

    Programming

    5+ years of experience with C, C++ and Python. Designed and implemented a pipeline in Python and C++, with OpenMP for parallel programming, to process many terabytes of timeseries data. Implemented an SQL database (PostgreSQL) backend and a web frontend for said pipeline. Wrote a C library with Python bindings for very fast coordinate matching of astronomical catalogs. Developed a real-time backend for a radio telescope, accepting data over a TCP or UDP socket and correlating it on the GPU using CUDA. Additional experience with many other programming languages.

    For some examples of code I have written, see my github repository at: https://github.com/pschella.

    Linux / UNIX

    15+ years of experience with OSX and Linux on both desktops and servers. Managed the purchase, configuration, installation and operation of a still growing 45 node Linux based computer cluster with 0.5 PB of storage to handle all computational needs of the Nijmegen Astrophysics department.

    Communication, collaboration and presentation

    Experience with collaborative (open source) development. Contributed the lombscargle routine to SciPy and the cubehelix colormap to matplotlib. Taught several short courses on Python for scientists and wrote an introductory tutorial on the topic that is now used by many people in multiple universities. Presented talks at international and national conferences, seminars and workgroup meetings. Published multiple papers in high-impact peer reviewed journals (3 first author, 10+ co-author, several more in preparation).

    Languages: Dutch (native), English (full professional proficiency), German (limited working proficiency).

    Work experience

    August 2009 -
    February 2010 Software developer South African Astronomical Observatory

    Implemented part of the data reduction pipeline for the slot mode of the SALTICAM photometer and the Berkeley Visible Imaging Tube instruments of the Southern African Large Telescope. Using Python, C, FORTRAN, IRAF/PyRAF and Qt.

    July 2008 -
    April 2009 Student Assistant Radboud University Nijmegen

    Developed data acquisition and analysis software for a two-element radio interferometer in C, Python and LabView. Assisted in teaching a course on Radio Astronomy for freshmen and co-wrote the lecture notes for this course. Taught an introductory practicum on Radio Astronomy with distributed antenna arrays.

    Selected Publications

    • Probing Atmospheric Electric Fields in Thunderstorms through Radio Emission from Cosmic-Ray-Induced Air Showers, Schellart, P., Trinh, T. N. G., et al., LOFAR Collaboration, 2015, Physical Review Letters, 114, 16
    • Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR, Nelles, A., Schellart, P., et al., LOFAR Collaboration, 2015, Astroparticle Physics, 65, 11
    • The shape of the radio wavefront of extensive air showers as measured with LOFAR, Corstanje, A., Schellart, P., et al., LOFAR Collaboration, 2015, Astroparticle Physics, 61, 22
    • Polarized radio emission from extensive air showers measured with LOFAR, Schellart, P. et al., LOFAR Key Science Project Cosmic Rays, 2014, Journal of Cosmology and Astroparticle Physics, 10, 14
    • Detecting cosmic rays with the LOFAR radio telescope, Schellart, P., Nelles, A., et al., LOFAR Collaboration, 2013, Astronomy and Astrophysics, 560, A98
    • LOFAR: The Low-Frequency Array, van Haarlem, M. P. et al., LOFAR Collaboration, 2013, Astronomy and Astrophysics, 556, A2
    • Radio galaxies of the local universe. All-sky catalog, luminosity functions, and clustering, van Velzen, S., Falcke, H., Schellart, P., Nierstenhöffer, N., & Kampert, K.-H., 2012, Astronomy and Astrophysics, 544, A18

    Full list of publications available online or upon request.

    Personal Note

    Outside of work I enjoy traveling & nature, seeing the world, meeting old friends and making new ones. In rock climbing and bouldering, both indoor and outdoor, is where I find the perfect combination of challenging myself and working together to solve problems.


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