Rare earth element synthesis confirmed in neutron star mergers
A group of researchers has, for the first time, identified rare earth elements produced by neutron star mergers.
Astronomy
Oct 27, 2022
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News tagged with optical spectra
Flattening the curve: Nano-film enhanced supercontinuum edition
Providing light with tailored properties through ultrafast supercontinuum generation represents an active field of nonlinear science research. A German-Australian research collaboration has presented a new concept that includes ...
Optics & Photonics
Nov 12, 2021
0
9
Nature of unknown gamma-ray sources revealed
An international team of astronomers has unveiled the nature of hundreds of gamma-ray emitting sources, discovering that most of them belong to the class of active galaxies known as blazars.
Astronomy
Oct 11, 2021
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1341
Chinese astronomers investigate black hole X-ray binary MAXI J1820+070
Astronomers from China have performed a comprehensive multiwavelength monitoring of a low-mass black hole X-ray binary system known as MAXI J1820+070. Results of this study, published April 21 on the arXiv pre-print repository, ...
Astronomers observe nova V659 Sct during outburst
Using the TIGRE telescope, astronomers have conducted spectroscopic observations of recently discovered nova known as V659 Sct during multiple phases of its outburst. Results of this observational campaign, presented in a ...
BSNIP project releases spectra of more than 200 Type Ia supernovae
The Berkeley Supernova Ia Program (BSNIP) has released a dataset containing over 600 spectra of 242 Type Ia supernovae (SNe Ia). The new data release, available for astronomers worldwide, was presented in a paper published ...
New study sheds more light on the properties of three polars
Cataclysmic variables (CVs) are binary star systems consisting of a white dwarf and a normal star companion. They irregularly increase in brightness by a large factor, then drop back down to a quiescent state. Although over ...
Astronomers investigate extreme variability of the 'Big Dipper' active galactic nucleus
Astronomers have carried out an observational campaign to study the extreme variability of the active galactic nucleus (AGN) SDSS J2232−0806, nicknamed the Big Dipper. Results of these observations, described in a paper ...
Hen 3-160 is a symbiotic binary with Mira variable star, study suggests
A new study conducted by a team of astronomers from Poland and South Africa provides more insights into the nature of Hen 3-160, a symbiotic binary system in the southern Milky Way. The research, presented in a paper published ...
Astronomers pin down origins of 'mile markers' for expansion of universe
(Phys.org)—A study using a unique new instrument on the world's largest optical telescope has revealed the likely origins of especially bright supernovae that astronomers use as easy-to-spot "mile markers" to measure the ...
Astronomy
Nov 19, 2012
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