An international team of astronomers reports the detection of gamma-ray pulsations from the millisecond pulsar (MSP) known as PSR J0952−0607. The finding, available in a paper published May 27 on arXiv.org, sheds more light ...
For the first time, astronomers from MIT and elsewhere have observed a star pulsing in response to its orbiting planet.
Astronomy
Feb 14, 2017
67
802
Astronomers using the Swiss 1.2-metre Euler telescope at ESO's La Silla Observatory in Chile have found a new type of variable star. The discovery was based on the detection of very tiny changes in brightness of stars in ...
Astronomy
Jun 12, 2013
5
0
(PhysOrg.com) -- By discovering the first double star where a pulsating Cepheid variable and another star pass in front of one another, an international team of astronomers has solved a decades-old mystery. The rare alignment ...
Astronomy
Nov 24, 2010
5
0
(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen and is in its mature ...
Astronomy
Dec 21, 2009
2
0
(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet out to Mars in our ...
Astronomy
Dec 15, 2009
5
0
RR Lyrae stars are old, pulsating stars that burn helium in their cores for fuel. Their progenitors were similar to our sun, but they are now much larger and brighter than our sun. We know of hundreds of thousands of RR Lyrae ...
Astronomy
Sep 7, 2023
0
105
Researchers from the Yunnan Observatories of the Chinese Academy of Sciences (CAS) have conducted a detailed asteroseismic analysis on an extremely low-mass white dwarf (WD) that exhibits suspected pressure mode (p-mode) ...
Astronomy
Feb 24, 2023
0
182
In the last few years, astronomers have achieved an incredible milestone: the detection of gravitational waves, vanishingly weak ripples in the fabric of space and time emanating from some of the most cataclysmic events in ...
Astronomy
Jun 7, 2022
0
271
Betelgeuse is normally one of the brightest, most recognizable stars of the winter sky, marking the left shoulder of the constellation Orion. But lately, it has been behaving strangely: an unprecedentedly large drop in its ...
Astronomy
Feb 8, 2021
7
1414
