[FPSPACE] FW: ESA: Chandrayaan-1 starts observations of the Moon

LARRY KLAES ljk4 at msn.com
Mon Nov 24 19:36:26 EST 2008


> Date: Mon, 24 Nov 2008 12:20:24 -0500> From: steve.maran at aas.org> To: steve.maran at aas.org> Subject: ESA: Chandrayaan-1 starts observations of the Moon> > THE FOLLOWING RELEASE WAS RECEIVED FROM THE EUROPEAN SPACE AGENCY'S> "ESA WEB PORTAL - SCIENCE," IN NOORDWIJK, THE NETHERLANDS AND IS> FORWARDED FOR YOUR INFORMATION. (FORWARDING DOES NOT IMPLY ENDORSEMENT> BY THE AMERICAN ASTRONOMICAL SOCIETY). Steve Maran, American> Astronomical Society: steve.maran at aas.org, 1-202-328-2010 x116.> **Contact data are at the end.**> > http://www.esa.int/esaSC/SEMMVL5DHNF_index_0.html> 24 November 2008> > Chandrayaan-1 starts observations of the Moon> > The Indian Space Research Organisation's lunar orbiter Chandrayaan-1> released a probe that impacted close to the lunar south pole on 14> November. Following this, the instruments on the spacecraft are being> switched on to get the science observations started.> > The Moon Impact Probe was dropped close to Shackleton crater, a place> close to the south pole, where ice may exist in areas that are never> illuminated by the Sun. It carried three instruments: a video imaging> system, a radar altimeter and a mass spectrometer. The imaging system> took pictures of the Moon as it approached the surface, the radar was> used to determine the altitude, and the mass spectrometer was used to> study the thin lunar atmosphere.> > The probe was released from the spacecraft at 15:36 CET (20:06 Indian> Standard Time), on 14 November and took 25 minutes to reach the> surface. As it descended, the probe transmitted pictures to the> orbiter that were later downloaded to Earth.> > The Terrain Mapping Camera, TMC, and the Radiation Dose Monitor,> RADOM, were functional by that time on the orbiter. After the impact> of the probe, the remaining orbiter instruments were switched on> consecutively for their commissioning activities.> > During commissioning all standard operating modes of an instrument are> exercised and the data and housekeeping parameters are examined to> verify that everything is working properly.> > The European near-infrared spectrometer SIR-2 was commissioned> successfully on 19 November. The instrument was switched on and sent> back housekeeping data indicating normal functionality. Science> observations were started successfully on 20 November.> > The Chandrayaan-1 X-ray Spectrometer, C1XS, was first activated on 23> November, and its commissioning is in progress.> > The Sub-keV Atom Reflecting Analyser, SARA will be commissioned from 7> to 10 December. The commissioning for this instrument will take longer> than usual because the instrument operates at a high-voltage, which> will be increased in steps.> > Notes for editors:> Chandrayaan-1, India's first mission to venture beyond Earth orbit,> was launched on 22 October 2008. The mission is led by ISRO. ESA has> coordinated and supported the provision of the three European> instruments on board (C1XS, SARA, SIR-2), and assisted ISRO in areas> such as flight dynamics and is supporting data archiving and> processing. As a result of the collaboration, ESA and ISRO will share> the data from their respective instruments. Other international> partners in the mission include Bulgaria and the USA.> > For more information:> Detlef Koschny, ESA Chandrayaan-1 Project Scientist> Email: Detlef.Koschny @ esa.int> > Christian Erd, ESA Chandrayaan-1 Project Manager> Email: Christian.Erd @ esa.int> > ESA PIO Source:> Monica Talevi> Science Information Manager> ESA - Communication Dept.> Tel: +31 71 565 3223> Fax: +31 71 565 4101> Email: Monica.Talevi at esa.int> --------------------------------------------------------------------------> If you do not wish to receive press releases that are forwarded to the> news media by the American Astronomical Society, just reply> accordingly to any incoming press release, or write to> steve.maran at aas.org. Requests for referrals to experts on astronomy> and space exploration should be sent to the same address. Steve Maran,> AAS Press Officer: steve.maran at aas.org, telephone 1-202-328-2010 x116.
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