Latest Space News
Mon, 24 Jul 2017 21:00:00 +0100
Hughes Network Systems, LLC (HUGHES), the global leader in broadband satellite networks and services, today announced it has been awarded a Wideband Communications Architecture Study (WCAS) contract to support the U.S. Department of Defense (DoD) plan for resilient, cost-effective satellite communications (SATCOM) capabilities. Under the contract, Hughes will investigate a wide-ranging commercial perspective on how different satellite transports can interoperate for wideband government applicati...
Mon, 24 Jul 2017 08:37:00 +0100
It was midafternoon, but it was dark in an area in Boulder, Colorado on Aug. 3, 1998. A thick cloud appeared overhead and dimmed the land below for  more than 30 minutes. Well-calibrated radiometers showed that there were very low levels of light reaching the ground, sufficiently low that researchers decided to simulate this interesting event with computer models. Now in 2017, inspired by the event in Boulder, NASA scientists will explore the moon’s eclipse of the sun to learn more ...
Fri, 21 Jul 2017 15:08:00 +0100
International Lunar Observatory Association (ILOA) and Moon Express have announced a collaboration for the delivery of the first International Lunar Observatory to the South Pole of the Moon in 2019 (ILO-1). Moon Express has been contracted by ILOA to develop advanced landing technologies supporting the mission. The ILO-1 astrophysical observatory and research station will be the world's first instrument to image the Milky Way Galaxy and to conduct international astrophysical observations and...
Thu, 20 Jul 2017 19:05:00 +0100
LONDON - July 20, 2017 - Northrop Grumman Corporation (NYSE: NOC) highlighted NASA's James Webb Space Telescope (JWST) programme to audiences around the U.K. in a series of special screenings of the documentary film Into the Unknown as part of the company's science, technology, engineering and mathematics (STEM) education outreach efforts. This is the first time Into the Unknown has been screened in the U.K. The film, developed by the Northrop Grumman Foundation as a resource for teachers, s...
Thu, 20 Jul 2017 18:00:00 +0100
Refurbishing a shuttle-era cargo container used to transfer cargo to the International Space Station, Lockheed Martin (NYSE: LMT) is prototyping a deep space habitat for NASA at Kennedy Space Center. This prototype will integrate evolving technologies to keep astronauts safe while onboard and operate the spacecraft autonomously when unoccupied. Under a public-private partnership, NASA recently awarded Lockheed Martin a Phase II contract for the Next Space Technologies for Exploration Partners...
Thu, 20 Jul 2017 11:55:00 +0100
KBR, Inc. (NYSE: KBR) announced today its global Government Services business, KBRwyle, is one of the winning bidders on the National Oceanic and Atmospheric Administration's (NOAA) Professional and Technical (ProTech) Satellite Domain contract in support of NOAA's satellite activities worldwide. The contract has a two-year base period and three one-year options, and belongs to the ProTech program's suite of contracts that shares a maximum ceiling value of $3 billion. Under the ProTech contr...
Thu, 20 Jul 2017 08:15:00 +0100
One night three months ago, Rosa Castro finished her dinner, opened her laptop, and uncovered a novel object that was neither planet nor star. Therapist by day and amateur astronomer by night, Castro joined the NASA-funded Backyard Worlds: Planet 9 citizen science project when it began in February — not knowing she would become one of four volunteers to help identify the project's first brown dwarf, formally known as WISEA J110125.95+540052.8. After devoting hours to skimming onli...
Thu, 20 Jul 2017 08:09:00 +0100
Working well after midnight on this day in 1977, a Rockwell Collins engineer named David Van Dusseldorp sat on the rooftop of a company building in Cedar Rapids, Iowa, adjusting an antenna every five minutes to receive a signal from the world's first Global Positioning System (GPS) satellite known as NTS-2. Within a small window of time, the satellite was turned on and the message was successfully received and decoded by the team working the GPS receiver below. Since then the technology has g...
Wed, 19 Jul 2017 12:00:00 +0100
The MASCARA (Multi-site All-Sky CAmeRA) station at ESO's La Silla Observatory in Chile has achieved first light. This new facility will seek out transiting exoplanets as they pass in front of their bright parent stars and create a catalogue of targets for future exoplanet characterisation observations. In June 2016, ESO reached an agreement with Leiden University to site a station of MASCARA at ESO's La Silla Observatory in Chile, taking advantage of the excellent observing conditions of the ...
Wed, 19 Jul 2017 08:35:00 +0100
The lightweight Vega launcher for Arianespace’s upcoming mission is undergoing final checkout in French Guiana, readying it to receive a dual payload of Earth observation satellites – consisting of OPTSAT-3000 (as the upper passenger) and Venµs (in the lower passenger position). Vega was integrated at the Spaceport’s SLV launch site, bringing together the solid propellant P80 first stage, Zefiro 23 second stage and Zefiro 9 third stage; followed by the liquid biprope...
Wed, 19 Jul 2017 08:27:00 +0100
In the search for planets similar to our own, an important point of comparison is the planet's density. A low density tells scientists a planet is more likely to be gaseous like Jupiter, and a high density is associated with rocky planets like Earth. But a new study suggests some are less dense than previously thought because of a second, hidden star in their systems. As telescopes stare at particular patches of sky, they can't always differentiate between one star and two. A system...
Wed, 19 Jul 2017 08:00:00 +0100
Sierra Nevada Corporation (SNC) announced that it selected United Launch Alliance's (ULA's) commercially developed Atlas V rocket to launch the first two missions of its Dream Chaser cargo system in support of NASA's Cargo Resupply Services 2 (CRS2) contract. "ULA is pleased to partner with Sierra Nevada Corporation to launch its Dream Chaser cargo system to the International Space Station in less than three years," said Gary Wentz, ULA vice president of Human and Commercial Systems. "We reco...
Tue, 18 Jul 2017 00:56:00 +0100
QuintessenceLabs was awarded a $3.26 million AUD ($2.4 million USD) investment from the Australian Department of Defence to continue the expansion of its quantum key distribution (QKD) capabilities and extend it to free space communications. This was the largest of the eight investments recently made by the Defence Innovation Hub, a part of the Australian Department of Defence. QuintessenceLabs, which has already developed a QKD solution using commercially available off-the-shelf products, ...
Mon, 17 Jul 2017 15:20:00 +0100
In Cassini's Grand Finale orbits - the final chapter of its nearly 20-year mission - the spacecraft travels in an elliptical path that sends it diving at tens of thousands of kilometers per hour through the 2400-km space between the rings and the planet where no spacecraft has ventured before. May, June and July have been busy months for Cassini, as a series of complex ground-station tracking passes involving ESA's Deep Space Antennas (DSA) and NASA's Deep Space Network (DSN) captured a serie...
Mon, 17 Jul 2017 08:37:00 +0100
Images of Jupiter’s Great Red Spot reveal a tangle of dark, veinous clouds weaving their way through a massive crimson oval. The JunoCam imager aboard NASA's Juno mission snapped pics of the most iconic feature of the solar system’s largest planetary inhabitant during its Monday (July 10) flyby. The images of the Great Red Spot were downlinked from the spacecraft’s memory on Tuesday and placed on the mission’s JunoCam website Wednesday morning. “For hundred...
Fri, 14 Jul 2017 20:37:00 +0100
The Space Flight Laboratory (SFL) announced today the successful launch of two Norwegian microsatellites developed and built by SFL for the Norwegian Space Centre with support from the Norwegian Coastal Authority, Space Norway, and the European Space Agency. The Soyuz-2.1a rocket carrying the satellites into orbit launched from Baikonur at 06:36:49 UTC Friday 14 July 2017. Shortly after launch both satellites were contacted from ground stations in Svalbard and Vardo, Norway. Both satellites a...
Thu, 13 Jul 2017 16:24:00 +0100
The final days of the LISA Pathfinder mission are some of the busiest, as controllers make final tests and get ready to switch off the gravitational pioneer next Tuesday. Following 16 months of scientific effort, LISA Pathfinder completed its main mission on 30 June, having demonstrated the technology needed to operate ESA's future LISA space observatory to study gravitational waves - ripples in spacetime predicted by Albert Einstein in his General Theory of Relativity. The LISA mission wi...
Thu, 13 Jul 2017 13:00:00 +0100
Kratos Defense & Security Solutions, Inc. (Nasdaq:KTOS), a leading National Security Solutions provider, announced today that The Regulatory Authority (TRA) of the Sultanate of Oman has formally accepted the Advanced Space Radio Monitoring System (ASRMS) from Kratos. The multi-million dollar project started in late 2014 and includes ten years of long-term support services for the ASRMS system. The most advanced system of its kind, ASRMS is a unique satellite monitoring and geolocation solutio...
Wed, 12 Jul 2017 16:00:00 +0100
Comtech Telecommunications Corp. (Nasdaq:CMTL) announced today that during its fourth quarter of fiscal 2017, its Command & Control Technologies group, which is part of Comtech's Government Solutions segment, has been awarded orders totaling approximately $1.9 million by an international Space and Communications customer. "Comtech supports a number of key projects within the global space industry," said Fred Kornberg, President and Chief Executive Officer of Comtech Telecommunications Corp. "...
Wed, 12 Jul 2017 10:23:00 +0100
NASA's Juno mission completed a close flyby of Jupiter and its Great Red Spot on July 10, during its sixth science orbit. All of Juno's science instruments and the spacecraft's JunoCam were operating during the flyby, collecting data that are now being returned to Earth. Juno's next close flyby of Jupiter will occur on Sept. 1. Raw images from the spacecraft’s latest flyby will be posted in coming days. "For generations people from all over the world and all...
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  • CV: Post-doctoral Fellow

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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:19-05-2010
     Last Modified:19-05-2010 (02:12)
    Job information
     Current job:Post-doctoral Fellow
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:
     Industry:Consulting/Engineering Services
     KeywordsAstronomy, optics, detectors, cryogenics.
    CV

    Brief Summary of Technical Skills

     

    • Optical Design using ZEMAX: ray tracing, optical design procedure and optimization, specification of optics, image analysis and tolerancing.
    • Mechanical Design using AutoCad/Pro-E: design of vacuum enclosure for optics, design of mounts for optical elements, stress analysis (due to gravity, differential thermal expansion etc), thermal analysis.
    • Integration, alignment and assembly of opto-mechanical instrument.
    • Hardware and Data-acquisition system: Controllers for CCDs and infrared arrays. FPGA based Master and waveform generation card, ADC and signal processing card, clock driver and bias card using DACs, telemetry.
    • PCB design using Orcad Capture and Layout: Design of high speed Data Acquisition Board (DAB)  for optical and infrared detectors using USB 2.0.
    • Testing of CCDs and infrared detectors: readnoise, gain, dark current and flat field estimation. Readout schemes for detectors. Single sampling, correlated double sampling, ramp sampling, Fowler sampling.
    • Use of optical measurement instruments, wavefront sensor etc.
    • Cryogenics and Vacuum Techniques: estimation and reduction of heat load on the instrument, instrument and detector cooling, radiation shield, use of O-rings, vacuum feedthrough etc for vacuum sealing.
    • Image Processing using IRAF: flat-fielding, illumination correction, bad pixel removal, sky-subtraction (using cl script), image alignment and co-addition, aperture photometry, astrometry.
    • Software programming in C, Fortran77, Fortran90, IDL. Use of numerical recipes and statistical methods like χ2– minimization, interpolation, three-dimensional integration etc. Simulation of astronomical images.
    • Formulation of specifications: for optical, mechanical and electronic components. Interaction with vendors. Choosing best possible technological solution within budgetary constraints.

     

    Computational and Software Skills

     

    Operating Systems

    Linux, Unix, Solaris, Windows

    Programming Languages

    C, Fortran90, Fortran77

    Scientific Computing

    IDL

    Optical Design Software

    ZEMAX-EE

    Mechanical Design Software

    AutoCad, Pro-E

    Electronics Design Software

    Orcad Capture and Layout

    Image Processing Software

    Iraf

    Languages

    Hindi (Native), English (very fluent)

     

    Other Skills

    • Good communication skills, presented thesis and post-doctoral work at various national and international conferences.
    • Good documentation skills. Experience in writing proposals/reports/ and other documents to be reviewed by external referees.
    • Very strong mathematical and analytical skills. Specialization in Real Mathematics during MSc programme.
    • Ability to work in a team with multi- disciplinary skills.

     

    Education

    • PhD, 2006 : The Design and Fabrication of Near Infrared PICNIC Imager, IUCAA (Inter-University Centre for Astronomy and Astrophysics), Pune.
    • Integrated MSc Physics, 1997 : IIT (Indian Institute of Technology), Kanpur
    • ISC 1991 : Hartmann College, Bareilly (U.P)
    • ICSE 1989 : Hartmann College, Bareilly (U.P)

     

    Publications

     

    1. Near Infrared PICNIC Imager(NIPI) : Deep, A.  et al., 2002, BASI, 30, 791
    2. Near Infrared PICNIC Imager(NIPI) - A Progress Report : Deep, A. et al., 2003,    BASI, 31, 465
    3. ASSIST : Development of a test infrastructure for the VLT AO Facility : Stuik, R., Arsenault, R., Deep, A.,  Delabre, B., Hallibert, P., Jolissaint, J., Hubin,  N.,  Kendrew, S.,Madec, P.Y.,  Paufique, J. and Stroebele, S., 2007, Proc. Of SPIE, 6691.
    4. A. Deep & R. Stuik, “ASSIST MAIV plan for Preliminary Design Review”, Garching 2007 : Technical Report
    5. A. Deep, “ASSIST Star Simulator Module for Preliminary Design Review”, Garching 2007: Technical Report
    6. R. Stuik, R. Arsenault, R. Conzelmann, A. Deep,  B. Delabre,  P. Hallibert,  L. Jolissaint,  N. Hubin, S. Kendrew, P.-Y. Madec, F. Molster,  J. Paufique,  E. Pauwels, Evert; S. Stroebele,  E. Wiegers, “ASSIST: the test setup for the VLT AO facility,” Proc. SPIE 7015-160 (2008).
    7. A. Deep, G. Fiorentino,  L. Jolissaint,  E. Tolstoy, “Use of AO PSF models for the Study of Resolved Stellar Populations”,  AO4ELT Conference,  Paris, 2009.
    8. A. Deep & R. Stuik, “ASSIST MAIV plan for Final Design Review”, Garching 2009 : Technical Report
    9. A. Deep, “ASSIST Star Simulator Module for Final Design Review”, Garching 2009: Technical Report
    10. A. Deep, G. Fiorentino,  R. Falomo and E. Tolstoy , “MICADO Photometric  Studies”.  Technical Report for E-ELT Phase A studies for MICADO instrument.

     

    Employment

     

    June 2007- : Research Associate at Leiden Observatory, Netherlands.Currently, I am working on project ASSIST (Adaptive Secondary Setup and Instrument STimulator) at Leiden Observatory. This system is being designed to allow for the testing of Adaptive Optics facility of Very Large Telescope. I am responsible for the development of MAIV (manufacturing, alignment, integration and verification) plan for this project. As the name suggests, the following items have been covered as a part of this procedure:

    • Procurement of various items for ASSIST.
    • Plan to assemble and integrate ASSIST bench for testing in Leiden; which handling and testing tools are required.
    • Development of a strategy for the alignment of various optics and opto-mechanics of ASSIST.
    • Identifying tools and equipments required during alignment and integration, such as alignment telescope and measurement arm.
    • Identify the tests which are to be performed on the subsystems, and on the assembly.
    • Assembly of ASSIST at ESO, which also includes assembly of DSM (Deformable Secondary Mirror) on top of ASSIST.

     

    In this role, I take part in preparing Call for tender documents for the optical modules and preparing reports for Preliminary Design Review and Final Design Review.

     

    In the same project, I am in-charge for the Star Simulator module which will simulate NGS (Natural Guide Stars) and LGS (Laser Guide Stars) for ASSIST. The main tasks for this module are:

     

    • Converting technical specifications of ASSIST into size, brightness and wavelength of required sources for ASSSIST.
    • Talk with different vendors to find out correct LED, fibers etc for NGS sources.
    • Experiments conducted in Leiden Optical Lab to check whether theoretical calculations match with experimental results.
    • Interaction with Mechanical Workshop to build a prototype for NGS and LGS.

     

    I also take part in testing phase screens which simulate turbulence of the atmosphere. These phase screens are being tested at European Southern Observatory in Garching using a Shack Hartmann wavefront sensor.

     

    I am also involved in project MICADO (MCAO Imaging CAmera for Deep Observations). MICADO is the imaging camera for the multi-conjugate adaptive optics system on the 42-m European Extremely Large Telescope. We create simulations assuming most of the parameters such as background, pixel scale, read-noise, throughput etc what might be expected from the E-ELT instrument MICADO. Then we compute the accuracy with which photometry can be done on these images using current software packages.

     

    • 2006 – June 2007: Research scholar, IUCAA, Pune, India. A high speed Data Acquisition Board (DAB) for optical and infrared detectors using USB 2.0 was designed using Orcad software. DAB has five fiber-optic links with each link connected to a separate detector/Controller. Simultaneous data transfer is possible through all fiber links. It has 1GB flash-memory and the fibre link data can be acquired either to the flash memory or to the USB port. A minimum data rate per fiber link of 1Mbps is sustainable (if USB is shared by multiple fiber links).  In the unshared or read-to-flash mode, maximum data rate per fiber link of at least 10 Mbps is possible.
    • 2000 - 2006: Research Fellow of CSIR, IUCAA, Pune, India. During this period I worked on my PhD thesis. My work mainly involved the design and fabrication of a near-infrared imager to be used with IUCAA telescope. I worked on all the aspects of astronomical instrumentation – optical design, mechanical design, data acquisition, detector testing, vacuum and cryogenics, data reduction, programming in C etc.
    • 1998 - 2000: Lecturer in Bareilly College, Bareilly.
    • 1997 - 1998: Research assistant at Indian Institute of Technology, Kanpur.

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