Latest Space News
Tue, 24 Apr 2018 02:47:23 +0000
Speedcast’s revenues more than doubled in 2017 as the satellite network operator began leveraging its acquisitions of U.S. companies Harris CapRock and UltiSat. SpaceNews.com
Tue, 24 Apr 2018 01:18:18 +0000
NGA Director Cardillo: “I want the market to work … but government shouldn’t be their first customer. We should be their second customer.” SpaceNews.com
Mon, 23 Apr 2018 23:00:57 +0000
NASA’s new administrator said he’s “very excited” about leading the space agency as he takes office after an extended confirmation process. SpaceNews.com
Mon, 23 Apr 2018 19:24:12 +0000
USD Kernan: "we really haven’t taken all the advantage we can of technology.” SpaceNews.com
Mon, 23 Apr 2018 19:01:42 +0000
Wilson sat down with SpaceNews at the recent Space Symposium in Colorado Springs to discuss the ongoing reorganization of the Space and Missile Systems Center, space investment priorities and her plans to secure congressional support for budgets and management reforms. SpaceNews.com
Mon, 23 Apr 2018 17:54:23 +0000
In the months preceding the launch of Avanti’s Hylas-4 satellite, the British operators didn’t mince words when it described the importance of a successful mission as “critical.” SpaceNews.com
Mon, 23 Apr 2018 12:23:19 +0000
"We are trying to effectively link air, land, sea and space. The geospatial context on the ground may give you some type of indications and warning of something happening in space," said Chirag Parikh, director of NGA's Office of Source Strategies. SpaceNews.com
Mon, 23 Apr 2018 00:53:45 +0000
NASA’s next administrator, Jim Bridenstine, is set to be sworn into office April 23 as the space industry breathes a sigh of relief that his extended confirmation process is finally over. SpaceNews.com
Sun, 22 Apr 2018 23:31:54 +0000
Within the top five space contractors, from 2011 to 2017, ULA surpassed Boeing and became the top overall vendor. SpaceNews.com
Sat, 21 Apr 2018 16:53:32 +0000
"Other transactions authorities" allow the Air Force to go faster to prototyping. SpaceNews.com
Fri, 20 Apr 2018 23:19:54 +0000
GEOShare, a Lockheed Martin subsidiary matching missions with orbital slots in an effort to boost satellite sales, has signed up over 150 missions and over 100 orbital locations, said Lon Levin, GEOShare president and chief executive. SpaceNews.com
Fri, 20 Apr 2018 16:46:40 +0000
As Lockheed Martin prepares to complete assembly of the Orion spacecraft flying on the first SLS mission, the company says it’s making progress in lowering the costs of the future spacecraft, including through reuse. SpaceNews.com
Fri, 20 Apr 2018 00:03:03 +0000
Air Force and NRO leaders emphasized their close ties at the 34th Space Symposium here and offered proof the relationship is helping them share capabilities. SpaceNews.com
Thu, 19 Apr 2018 22:22:38 +0000
David Hartshorn, one of the satellite industry’s most vocal advocates and a prominent defender of its spectrum rights, is resigning from the Global VSAT Forum. SpaceNews.com
Thu, 19 Apr 2018 21:46:47 +0000
Blue Origin's CEO says he expects the company’s BE-4 engine to complete qualification testing by the end of the year as the company ramps up work on its New Glenn orbital rocket. SpaceNews.com
Thu, 19 Apr 2018 21:42:00 +0000
The number of space-related technology patent applications filed in China over the five-year period grew by 13.3 percent. SpaceNews.com
Thu, 19 Apr 2018 20:23:51 +0000
WASHINGTON — French fleet operator Eutelsat finished a lengthy 302 million euro ($372.9 million) sale of its stake in Spanish fleet operator Hispasat after gaining long-awaited approval from Spain’s government. The divestiture was first announced last May and expected to close that year, but required approval from Spain’s Council of Ministers, which didn’t occur until […] SpaceNews.com
Thu, 19 Apr 2018 18:55:51 +0000
The most contentious nomination process for a NASA administrator in the agency’s six-decade history came to an end April 19 when the Senate voted to confirm Jim Bridenstine. SpaceNews.com
Thu, 19 Apr 2018 18:42:07 +0000
Harris Corp. plans to offer the U.S. Air Force an updated version of a legacy sensor for future weather satellite. SpaceNews.com
Thu, 19 Apr 2018 17:21:02 +0000
Arianespace on April 19 announced a agreement Japan’s Broadcasting Satellite System Corporation BSAT and satellite manufacturer Space Systems Loral to launch the BSAT-4b satellite on an Ariane 5 rocket in 2020. SpaceNews.com
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  • CV: Independent astrophysics researcher

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    Personal information
     Name:<withheld>
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    Contact information
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    Candidate Profile
     Date Submitted:08-12-2016
     Last Modified:08-12-2016 (05:31)
    Job information
     Current job:Independent astrophysics researcher
     Employment Term:Either
     Job location:US only
     Date available:within 2 months
     Industry:
     KeywordsAstrophysicist researcher
    CV

    Summary


    Research scientist with 4 years experience as a professional theoretical astrophysicist. Skilled at independent research involving novel lines of inquiry and technical writing.

     

    Work Experience


    Postdoctoral Member

    Institute for Advanced Study – Princeton, NJ

    September 2014 – September 2015

    Wrote and published peer-reviewed scientific papers on independent scientific research

    Presented research talks throughout the USA


    Jansky Fellow

    National Radio Astronomy Observatory – Princeton, NJ

    September 2011 – August 2014

    Wrote and published peer-reviewed scientific papers on independent scientific research

    Presented research talks at international scientific conferences in the USA, Europe, and Japan

     

    Projects


    Cosmic rays in star-forming galaxies

    Cosmic rays and magnetic fields shape space weather. My primary work in astronomy is understanding the “space climate” of galaxies: how cosmic rays and magnetic fields interact with matter and starlight in the space between stars and regulate star formation. I constrained the properties of cosmic rays in other galaxies and in distant regions of the Milky Way from radio and gamma-ray emission. I concluded that interstellar plasma turbulence controls their magnetic fields.

    Example Papers

    “The Physics of the FIR-Radio Correlation: I. Calorimetry, Conspiracy, and Implications” (2011) by Lacki et al. in The Astrophysical Journal volume 717, pg. 1-28

    “The Star-Forming Galaxy Contribution to the Cosmic MeV and GeV Gamma-Ray Background” (2014) by Lacki et al. in The Astrophysical Journal volume 786, article 40

    “The Fermi Bubbles as Starburst Wind Termination Shocks” (2014) by Lacki in The Monthly Notices of the Royal Astronomical Society Letters volume 444, pg. L39-L43

    Sturm und Drang: Supernova-Driven Turbulence, Magnetic Fields, and Cosmic Rays in the Chaotic Starburst Interstellar Medium” (2013) by Lacki at arXiv:1308.5232

     

    Cherenkov telescopes for visible light remote sensing

    The highest energy gamma-rays are observed using Cherenkov telescopes stationed on the ground. These are giant telescopes (up to 10 meters in aperture) that detect the <1 ms long flash of light emitted when gamma-rays hit the upper atmosphere. They collect enormous amounts of light – comparable to the largest normal telescopes – but have poor angular resolution. I showed that these instruments are excellent for making measurements of bright astronomical sources, and calculated signal-to-noise ratios for photometric, spectroscopic, and polarimetric observations. I also demonstrated how they could be used for remote sensing of objects in the Kuiper Belt, using Fisher matrices and Bayesian models. The use of Cherenkov telescopes as receivers for optical laser communications has been proposed.

    Papers

    “Cherenkov Telescopes as Optical Telescopes for Bright Sources: Today's Specialised Thirty Metre Telescopes?” (2011) by Lacki in The Monthly Notices of the Royal Astronomical Society volume 416, pg. 3075-3082

    “On the Use of Cherenkov Telescopes for Outer Solar System Body Occultations” (2014) by Lacki in The Monthly Notices of the Royal Astronomical Society volume 445, pg. 1858-1877

     

    Generalized interferometry

    Standard interferometry applies the Fourier transform of electric field measurements to reconstruct the direction that radio waves are coming from. I have shown how interferometry could be generalized with other transforms. The entire class of Linear Canonical Transforms allows one to instantiate a linear optical system digitally. Of special importance is the Fractional Fourier Transform, which allows an interferometer to focus on nearby sources rather than at infinity, an important consideration for satellites in low Earth orbit. I also noted that the signal can be decomposed in time with non-Fourier transforms, which could prove useful for brief radio pulses.

    Paper

    “Arbitrary Transform Telescopes: The Generalization of Interferometry” (2015) by Lacki at arXiv:1501.07309

     

    New methods in SETI

    The viability of space travel is directly related to the Search for Extraterrestrial Intelligence (SETI) by Fermi’s Paradox. As an independent researcher, I have explored the feasibility of “cosmic engineering” enabled by interstellar travel. I demonstrated that it is possible to collect starlight very efficiently on planetary, stellar, and galactic scales using smart dust fashioned into resonant dipole antennas. The lack of such engineering strengthens Fermi’s Paradox. Other work includes the feasibility of cosmic-scale particle accelerators, Bayesian estimates for the rate that intelligence evolves on planets, and the commonality of the mysterious “Boyajian’s Star” phenomenon.

    Papers

    “SETI at Planck Energy: When Particle Physicists Become Cosmic Engineers” (2015) by Lacki at arXiv:1503.01509

    “Type III Societies (Apparently) Do Not Exist” (2016) by Lacki at arXiv:1604.07844

    “The Log-Log Prior for the Frequency of Extraterrestrial Intelligences” (2016) by Lacki at arXiv:1609.05931

    “The High Rate of the Boyajian's Star Anomaly as a Phenomenon” (2016) by Lacki at arXiv:1610.03219

     

    Technical Skills


    Programming languages: C (including GNU Scientific Library), Perl, Bourne shell scripts

    Operating systems: Windows, Linux

    Additional software: Microsoft Word, Excel, and PowerPoint; LaTeX typesetting; gnuplot

    Photometric and spectroscopic data reduction


    Education


    Ph. D. in Astronomy from Ohio State University (July 2011)

    Thesis: “Cosmic Rays in Star-Forming Galaxies” (adviser: Professor Todd A. Thompson)
     

    B. S. in Astronomy & Astrophysics and in Physics from Pennsylvania State University (June 2006)


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