Latest Space News
Wed, 19 Sep 2018 23:51:28 +0000
Bezos: At a time of increasing global competition, “You have to be able to go to space more frequently, with less lead time." SpaceNews.com
Wed, 19 Sep 2018 23:32:28 +0000
Kleos Space, a company developing a constellation of satellites for radiofrequency geolocation work, will launch its first satellites in 2019 with Rocket Lab under a deal announced Sept. 19. SpaceNews.com
Wed, 19 Sep 2018 20:27:57 +0000
A Georgia county seeking to develop a spaceport has attracted a small launch vehicle company to set up operations and, hopefully, launch from there. SpaceNews.com
Wed, 19 Sep 2018 19:28:56 +0000
Shanahan on space reorganization: “We’re going to find the best way. There will be some hammering and arm wresting. " SpaceNews.com
Wed, 19 Sep 2018 15:12:29 +0000
Gen. Jay Raymond: “There’s an explosion of things happening in the commercial industry. We want to capitalize on that." SpaceNews.com
Wed, 19 Sep 2018 08:17:39 +0000
Boeing and SpaceX, who have been struggling to meet safety thresholds established by NASA for commercial crew vehicles, now believe their vehicles can meet those requirements as they prepare for test flights scheduled in the next several months. SpaceNews.com
Wed, 19 Sep 2018 03:39:09 +0000
Orbital Insight, a Silicon Valley geospatial analytics company, announced the purchase Sept. 18 of FeatureX, a Boston-based artificial intelligence firm specializing in computer vision for satellite imagery. The terms of the purchase were not disclosed. SpaceNews.com
Wed, 19 Sep 2018 01:11:48 +0000
Wilson suggested her proposal is only the opening salvo. “I expect there will be a lot of discussion about how to implement the president’s vision.” SpaceNews.com
Tue, 18 Sep 2018 18:14:02 +0000
Melanie Stricklan, Slingshot Aerospace: “We see a big need for SSA solutions, not just in the military but also in academia and in satellite owners and operators." SpaceNews.com
Tue, 18 Sep 2018 18:01:02 +0000
Air Force Secretary Heather Wilson’s Space Force proposal dropped on the first day of the Air Force Association’s Air Space Cyber symposium, and it took the community by storm. SpaceNews.com
Tue, 18 Sep 2018 18:00:33 +0000
The Air Force’s advocacy group, the Air Force Association, is taking off the gloves and pointedly voicing opposition to separating space out of the Air Force. SpaceNews.com
Tue, 18 Sep 2018 17:12:29 +0000
Three months after its inaugural meeting, the advisory group supporting the National Space Council is working to organize itself and identify topics for study while preparing for its next full meeting. SpaceNews.com
Tue, 18 Sep 2018 07:40:17 +0000
AFA: "Standing up a separate space bureaucracy amplifies the problem by driving more money to a headquarters function, not space operations. " SpaceNews.com
Tue, 18 Sep 2018 03:04:32 +0000
SpaceX announced Sept. 17 that a Japanese billionaire will be paying an undisclosed but significant sum to buy a flight of the company’s next-generation rocket for a flight around the moon carrying a group of artists. SpaceNews.com
Tue, 18 Sep 2018 01:00:54 +0000
Airline customers are well aware of the financial troubles plaguing satellite-enabled inflight connectivity providers. SpaceNews.com
Mon, 17 Sep 2018 23:18:08 +0000
Shotwell: “Failure is bad. But failure while you’re trying and you’re testing is not terrible. You’re learning from it.” SpaceNews.com
Mon, 17 Sep 2018 20:25:27 +0000
Ten years after then-U.S. Air Force Secretary Michael Wynne called for maximizing use of secondary payload adapters to launch small satellites on large rockets, the Air Force, NASA and the National Oceanic and Atmospheric Administration are working together to make that happen. SpaceNews.com
Mon, 17 Sep 2018 20:16:24 +0000
As the military sometimes must operate in contested environments, they will need more resilient communications system to overcome any intentional interference. SpaceNews.com
Mon, 17 Sep 2018 19:39:33 +0000
Satellite operators Yahsat of the United Arab Emirates, Brazil's Star One and Bermuda-based ABS are moving into new markets in Latin America and around the world, according to speakers at the World Satellite Business Week conference here Sept. 10. SpaceNews.com
Mon, 17 Sep 2018 17:09:14 +0000
The launch, India’ first in five months, highlighted the United Kingdom’s desire to bolster trade with India as well as India’s desire to further commercialize production of the PLSV, a rocket often used for smallsat missions. 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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