Tech

March 30, 2012

NASA’s SOFIA captures images of the planetary nebula M2-9


NASA/DLR/USRA/DSI/FORCAST team photograph
NASA's SOFIA telescope and the FORCAST instrument captured this color-composite image of the planetary nebula Minkowski 2-9 (M2-9) showing a dying sun-like star.

Researchers using NASA’s Stratospheric Observatory for Infrared Astronomy have captured infrared images of the last exhalations of a dying sun-like star.

The object observed by SOFIA, planetary nebula Minkowski 2-9, or M2-9 for short, is seen in this three-color composite image.

The SOFIA observations were made at the mid-infrared wavelengths of 20, 24, and 37 microns. The 37-micron wavelength band detects the strongest emissions from the nebula and is impossible to observe from ground-based telescopes.

Objects such as M2-9 are called planetary nebulae due to a mistake made by early astronomers who discovered these objects while sweeping the sky with small telescopes. Many of these nebulae have the color, shape and size of Uranus and Neptune, so they were dubbed planetary nebulae. The name persists despite the fact that these nebulae are now known to be distant clouds of material, far beyond our solar system, that are shed by stars about the size of our sun undergoing upheavals during their final life stages.

Although the M2-9 nebular material is flowing out from a spherical star, it is extended in one dimension, appearing as a cylinder or hourglass. Astronomers hypothesize that planetary nebulae with such shapes are produced by opposing flows of high-speed material caused by a disk of material around the dying star at the center of the nebula. SOFIA’s observations of M2-9 were designed to study the outflow in detail with the goal of better understanding this stellar life cycle stage that is important in our galaxy’s evolution.

“The SOFIA images provide our most complete picture of the outflowing material on its way to being recycled into the next generation of stars and planets,” said Michael Werner of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., principal investigator of these observations. “We were gratified to see the lobes so clearly using SOFIA. These early results demonstrate the scientific potential of this important new observatory.”

The observations were made using the Faint Object Infrared Camera for the SOFIA Telescope instrument in June 2011 by a team consisting of astronomers from JPL, the California Institute of Technology, the University of California at Los Angeles, Cornell University and Ithaca College, Ithaca, N.Y. Preliminary analyses of these data were first presented in January 2012 at the American Astronomical Society meeting in Austin, Texas.

The SOFIA observatory combines an extensively modified Boeing 747SP aircraft and a 17-metric-ton reflecting telescope with an effective diameter of 2.5 meters (100 inches) to altitudes as high as 45,000 feet (14 km), above more than 99 percent of the water vapor in Earth’s atmosphere that blocks most infrared radiation from celestial sources.

SOFIA is a joint project of NASA and the German Aerospace Center, and is based and managed at NASA’s Dryden Aircraft Operations Facility in Palmdale, Calif. NASA’s Ames Research Center in Moffett Field, Calif., manages the SOFIA science and mission operations in cooperation with the Universities Space Research Association, headquartered in Columbia, Md., and the German SOFIA Institute at the University of Stuttgart.




All of this week's top headlines to your email every Friday.


 
 

 

Headlines April 24, 2015

News: More than $1 billion in U.S. emergency reconstruction aid goes missing in Afghanistan - A total of $1.3 billion that the Pentagon shipped to its force commanders in Afghanistan between 2004 and 2014 for the most critical reconstruction projects can’t be accounted for by the Defense Department, 60 percent of all such spending under an...
 
 

News Briefs April 24, 2015

German defense minister: widely used rifle has no future A widely used assault rifle has “no future” with the German military in its current form, Germany’s defense minister said April 22, escalating a dispute over the weapon’s alleged shortcomings. Ursula von der Leyen said last month that a study showed the G36 rifle has a...
 
 
Army photograph

Composites key to tougher, lighter armaments

Army photograph XM-360 test firing at Aberdeen Proving Ground, Md., in 2007, is shown. The Army is on the cusp of revolutionizing materials that go into armament construction, making for stronger, lighter and more durable weapo...
 

 

Northrop Grumman signs long-term agreement with Raytheon

Northrop Grumman has entered a long-term agreement with Raytheon to supply its LN-200 Inertial Measurement Unit for Raytheon optical targeting systems. The long-term agreement with Raytheon’s Space and Airborne Systems business extends through 2018. The LN-200 provides camera stabilization on optical targeting systems that conduct long-range surveillance and target acquisition for various...
 
 

NTTR supports first F-35B integration into USMC’s weapons school exercise

The Nevada Test and Training Range was part of history April 21, when four U.S. Marine Corps-assigned F-35B Lightning IIs participated in its first Marine Corps’ Final Exercise of the Weapons and Tactics Instructor course on the NTTR’s ranges. The Final Exercise, or FINEX, is the capstone event to the U.S. Marine Corps Marine Aviation...
 
 
AAR-Textron

AAR awarded new contract from Bell Helicopter Textron to support T64 engines

AAR announced April 22 that Bell Helicopter Textron Inc. awarded its Defense Systems & Logistics business unit a contract providing warehouse and logistics services in support of upgrading T64 engines for the Bell V-280 Val...
 




0 Comments


Be the first to comment!


Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>