Latest Space News
Wed, 22 Mar 2017 14:47:00 +0100
Space Situational Awareness remains a key priority for armed forces capable of operating above the Earth. Space is now extremely contested, congested and competitive as more and more countries and organisation gain access to space technology. However, high amounts of orbiting traffic is not the only threat; space weather, debris and ground based electronic and cyber threats could also have a massive impact on our operations by disrupting satellite activity and therefore military ability on the...
Wed, 22 Mar 2017 08:33:00 +0100
Arianespace’s second Ariane 5 launch of 2017 has been rescheduled for March 23, as continuation of the social movement in French Guiana has prevented today’s transfer of the heavy-lift vehicle to its ELA-3 launch zone. If the situation permits, the mission – designated Flight VA236 in Arianespace’s numbering system – will lift off on March 23 as early as possible within the following window: Between 4:31 p.m. and 7:20 p.m., Washington D.C. time Between ...
Tue, 21 Mar 2017 15:30:00 +0100
Rosetta scientists have made the first compelling link between an outburst of dust and gas and the collapse of a prominent cliff, which also exposed the pristine, icy interior of the comet. Sudden and short-lived outbursts were observed frequently during Rosetta's two-year mission at Comet 67P/Churyumov-Gerasimenko. Although their exact trigger has been much debated, the outbursts seem to point back to the collapse of weak, eroded surfaces, with the sudden exposure and heating of volatile m...
Tue, 21 Mar 2017 10:00:00 +0100
ESA's Swarm satellites are seeing fine details in one of the most difficult layers of Earth's magnetic field to unpick - as well as our planet's magnetic history imprinted on Earth's crust. Earth's magnetic field can be thought of as a huge cocoon, protecting us from cosmic radiation and charged particles that bombard our planet in solar wind. Without it, life as we know it would not exist. Most of the field is generated at depths greater than 3000 km by the movement of molten iron in ...
Mon, 20 Mar 2017 22:21:00 +0100
Teledyne Technologies Incorporated (NYSE:TDY) announced today that its subsidiary, Teledyne Scientific & Imaging, LLC (TS&I), was awarded a $9.98 million contract from the French Space Agency, the Centre National d'Etudes Spatiales (CNES), to provide infrared detectors and electronics for the European Space Agency (ESA) JUICE mission to Jupiter. JUICE is expected to launch in 2022 and reach Jupiter in 2030 to undertake a three and a half year study of Jupiter and three of its moons: Callisto, Ga...
Mon, 20 Mar 2017 15:57:00 +0100
Serionix, a startup fundamentally changing the way we look at air, received a $750,000 contract from NASA to fund continued development of filters to remove toxic gases from next-generation spacesuit life support systems. The same technology is on its way into consumer products expected to launch within the year. Poor indoor air quality is widely associated with significant negative health impacts; however, as awareness of this connection increases, Serionix is committed to making air fresher...
Mon, 20 Mar 2017 13:02:00 +0100
Orbital ATK (NYSE:OA), a global leader in aerospace and defense technologies, provided propulsion, composite and spacecraft technologies to enable the successful launch of both the United Launch Alliance (ULA) Delta IV rocket and the ninth Wideband Global SATCOM (WGS-9) satellite that was launched yesterday from Cape Canaveral Air Force Station, Florida. "Orbital ATK's is proud to contribute a number of key technologies to ULA's Delta IV launch vehicle," said Scott Lehr, President of Orbital ...
Mon, 20 Mar 2017 09:01:00 +0100
Arianespace’s dual-payload mission to orbit telecommunications satellites for Brazil and South Korea has been given the go-ahead for a March 21 liftoff from the Spaceport in French Guiana, carrying the SGDC and KOREASAT-7 relay platforms. The approval came at the completion of today’s Launch Readiness Review, which confirmed the “go” status of Ariane 5, its two payloads, the Spaceport launch infrastructure and the network of flight trajectory tracking stations. Th...
Sun, 19 Mar 2017 02:45:00 +0100
A United Launch Alliance (ULA) Delta IV rocket carrying the ninth Wideband Global SATCOM (WGS-9) satellite for the United States Air Force lifted off from Space Launch Complex-37 on March 18 at 8:18 p.m. EDT. "This launch commemorates the 70th anniversary of the USAF." said Laura Maginnis, ULA vice president of Government Satellite Launch. "We are absolutely honored to play a role in this important milestone, while safely delivering WGS-9 to orbit." This mission was launched aboard a Delta...
Sun, 19 Mar 2017 02:42:00 +0100
Boeing’s [NYSE: BA] ninth Wideband Global SATCOM (WGS) satellite launched into orbit today and will provide the United States and six allied nations with increased communications capabilities to prevent, protect against and respond to attacks. The WGS-9 satellite was funded through an agreement between the United States and Canada, Denmark, Luxembourg, the Netherlands and New Zealand, and will also serve Australia (which funded the WGS-6 satellite). Each partner country gains access t...
Fri, 17 Mar 2017 11:14:00 +0100
ESA astronaut Thomas Pesquet will make two more spacewalks under NASA's plans to maintain the International Space Station during his mission. Though intended for the end of March and April, the dates may change because the sorties require equipment yet to be launched on a Cygnus supply vessel. The first will see Thomas and NASA astronaut Shane Kimbrough head outside to install a new computer, work on the electrical power distribution system, and disconnect a docking adapter to allow its mo...
Thu, 16 Mar 2017 15:00:00 +0100
Demanding electric, magnetic and power requirements, harsh radiation, and strict planetary protection rules are some of the critical issues that had to be tackled in order to move ESA's Jupiter Icy Moons Explorer - Juice - from the drawing board and into construction. Scheduled for launch in 2022, with arrival in the Jovian system in 2029, Juice will spend three-and-a-half years examining the giant planet's turbulent atmosphere, enormous magnetosphere, its set of tenuous dark rings and its sa...
Thu, 16 Mar 2017 11:00:00 +0100
The ExoMars Trace Gas Orbiter has completed another set of important science calibration tests before a year of aerobraking gets underway. The mission was launched a year ago this week, and has been orbiting the Red Planet since 19 October. During two dedicated orbits in late November, the science instruments made their first calibration measurements since arriving at Mars. The latest tests were carried out 5-7 March from a different orbit, and included checking procedures associated with ...
Thu, 16 Mar 2017 08:28:00 +0100
French Guiana has welcomed another payload for Arianespace’s fast-paced mission schedule in 2017 with yesterday's arrival of SES-15 – the first hybrid satellite for SES, which will be launched in April by a medium-lift Soyuz. SES-15 was delivered by a cargo jetliner that landed at Félix Eboué Airport near Cayenne. After unloading in its protective shipping container, the satellite was readied for transfer by road to the Spaceport. Designed and manufactured b...
Thu, 16 Mar 2017 08:17:00 +0100
Cobham's products and services contributed to the recent successful orbital deployment of Iridium NEXT satellites. Cobham's antennas, motion control solutions, and RadHard microelectronics enable various Iridium NEXT systems. Iridium NEXT is the company's next-generation satellite constellation which replaces and enhances Iridium's existing network of low-Earth orbit satellites. "Cobham Advanced Electronic Solutions is proud to contribute to the next generation of commercial telecommunication...
Wed, 15 Mar 2017 19:00:00 +0100
New observations indicate that massive, star-forming galaxies during the peak epoch of galaxy formation, 10 billion years ago, were dominated by baryonic or "normal" matter. This is in stark contrast to present-day galaxies, where the effects of mysterious dark matter seem to be much greater. This surprising result was obtained using ESO's Very Large Telescope and suggests that dark matter was less influential in the early Universe than it is today. The research is presented in four papers, one ...
Wed, 15 Mar 2017 15:36:00 +0100
Just over a week after being lofted into orbit, the European Union's Sentinel-2B satellite delivered its first images of Earth, offering a glimpse of the 'colour vision' it will provide for the Copernicus environmental monitoring programme. With a swath width of 290 km, the satellite's first acquisition began over the Baltic Sea and made a strip-like observation through eastern Europe, ending in northern Libya. The data were relayed in real time to the Matera ground station in Italy, where...
Wed, 15 Mar 2017 14:00:00 +0100
Space Systems Loral (SSL), a leading provider of innovative satellites and spacecraft systems, today announced that MDA US Systems, a division of MDA managed by SSL, was recognized by NASA's Johnson Space Center for its outstanding support of a robotic upgrade to the International Space Station's (ISS) power system which took place in January. The MDA team based in Houston played a critical role in planning and validating the robotic maneuvering both before and during the mission. NASA JSC Gr...
Wed, 15 Mar 2017 08:26:00 +0100
For its fourth launch of the year, and the second Ariane 5 mission in 2017 from the Guiana Space Center in French Guiana, Arianespace will orbit two satellites: SGDC for VISIONA Tecnologia Espacial S.A. on behalf of the Brazilian operator Telebras S.A., and KOREASAT-7 for the South Korean operator ktsat. This mission, designated Flight VA236 in Arianespace’s launcher family numbering system, will be the seventh all-Thales Alenia Space mission, as both satellites were built by this man...
Tue, 14 Mar 2017 15:20:00 +0100
Astronomers have found evidence for a star that whips around a black hole about twice an hour. This may be the tightest orbital dance ever witnessed for a likely black hole and a companion star. This discovery was made using NASA’s Chandra X-ray Observatory as well as NASA’s NuSTAR and CSIRO’s Australia Telescope Compact Array (ATCA). aEURuaEURu The close-in stellar couple – known as a binary – is located in the globular cluster 47 Tucanae, a dense cluster o...
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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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