News tagged with pulsar

Geriatric pulsar still kicking

(PhysOrg.com) -- The oldest isolated pulsar ever detected in X-rays has been found with NASA's Chandra X-ray Observatory. This very old and exotic object turns out to be surprisingly active.

Feb 26, 2009
4.6 / 5 (11) 7

Einstein@Home detects unusual stellar pair

(PhysOrg.com) -- Neutron stars are quite unique: the material they are made of is packed much more densely than conventional matter. They rotate extremely fast about their own axis, emitting radiation in the ...

Apr 07, 2011
4.6 / 5 (9) 42 | with audio podcast

9 new gamma pulsars

Pulsars are the lighthouses of the universe. These compact and fast-rotating neutron stars flash many times per second in the radio or gamma-ray band. Pure gamma-ray pulsars are extremely difficult to find ...

Nov 03, 2011
4 / 5 (1) 3 | with audio podcast

A pulsar's mysterious tail

(PhysOrg.com) -- A spinning neutron star is tied to a mysterious tail -- or so it seems. Astronomers using NASA's Chandra X-ray Observatory have found that this pulsar, known as PSR J0357+3205 (or PSR J0357 ...

Jul 14, 2011
4.6 / 5 (7) 4 | with audio podcast

Finger on the pulse of the pulsars

(PhysOrg.com) -- An international team of astronomers including German scientists has succeeded in recording the most sensitive observations to date of pulsars at low frequency. The measurement was undertaken ...

May 06, 2011
5 / 5 (2) 6 | with audio podcast

Gamma-ray emission from Terzan 5

(PhysOrg.com) -- The H.E.S.S. telescope system in Namibia discovered a new source of very-high-energy gamma-rays from the direction of the globular cluster Terzan 5. Being very likely located in the outer ...

Jun 24, 2011
4.8 / 5 (4) 2 | with audio podcast

LOFAR takes the pulse of the radio sky

(PhysOrg.com) -- A powerful new telescope is allowing an international team led by University of Manchester scientists to have their “best-ever look” at pulsars – rapidly rotating neutron stars ...

Apr 14, 2011
4.3 / 5 (4) 5 | with audio podcast

Image: Pulsar encased in a supernova bubble

(Phys.org) —Massive stars end their lives with a bang: exploding as spectacular supernovas, they release huge amounts of mass and energy into space. These explosions sweep up any surrounding material, creating ...

Jun 02, 2014
5 / 5 (4) 0

Upgraded telescope opens window to universe

An international team of astrophysicists including University of Adelaide researchers have announced the successful detection of pulsed gamma rays from the neutron star, the Vela pulsar, using their newly upgraded telescope ...

Jul 18, 2014
4.7 / 5 (3) 0