There will be no more than 15 years before the Laser Interferometer Space Antenna (LISA) The observatory is launched into space, but astronomers are already looking forward to the possible discoveries that could bring their introduction. A recent study suggests that LISA may be able to detect "dozens" of binary stars or pairs of gravitationally bound compact objects in the globular cluster of the Milky Way.
A news release published in EurekAlert described the study, which was released Friday by a team of researchers from Northwestern University, suggesting that our galaxy could be full of binaries and that LISA will be able to would recognize these pairings of objects. The binaries may contain a variety of mating, including combinations involving black holes, neutron stars, and white dwarf stars alongside conventional counterparts. Interestingly, the researchers also predicted that LISA could find binaries that have their own peculiarities that distinguish them from those that were isolated.
As further noted in the EurekAlert News Release, the Northwestern study was published in the journal Physical Review Letters is the first of its kind to release LISA binary sources with globular cluster Predict models. It is expected that LISA will be launched in 2034, with the ability to detect low-frequency gravitational waves, as the Laser Interferometer Gravitational Wave Observatory (LIGO), a terrestrial observatory known to be the first to detect gravitational waves distant collisions of black holes.
"LISA is sensitive to Milky Way systems and will broaden the breadth of the gravitational wave spectrum so that we can study different types of objects that are unobservable with LIGO," says study author Kyle Kremer, Doctor of Physics and Astronomy at the Weinberg Colleges of Arts and Sciences of Northwestern University.
LISA was able to detect dozens of binary black holes in globular clusters on the Milky Way ̵1; https://t.co/hEjiNHcSPJ pic. twitter.com/lFh5WCl3XZ
– Fraser Cain (@fcain) May 12, 2018
The methods used by Kremer and his colleagues included the analysis of more than 10 0 "fully developed" globular cluster models using the 150 or similar, which were previously detected in our galaxy. These models were created at the Northwestern Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) and tested on Quest's Supercluster Cluster Quest, which takes just days to predict the lifecycle of the 12 billion-year average globular cluster
" This study helps us understand what science will be included in the LISA data, "said CIERA associate director and study co-author Shane Larson.
All in all, the researchers believe that LISA will be able to detect binaries in about one-third of the Milky Way's known globular clusters. In addition, the study suggests that LISA will be able to detect about eight black hole binaries in the neighboring galaxy Andromeda of the Milky Way and about ten times more in Virgo, another neighboring galaxy.