A planet believed to be a Neptune-like world is suspected to be orbiting a hypervelocity star moving at a staggering 1.9 million kilometres per hour, making it the fastest known exoplanetary system ever observed. If confirmed, this would mark the first institution of a planet being found accounaking thinking a rapidly moving star. The discovery was made by a team of nasa results who analysed data that Dates Back to 2011. Lativity, which allows the detection of distant cosmic bodies by observing How their gravity bends the light from background stars.
Discovery through microolensing
According to a studyPublished in the Astronomical Journal, a signal indicating the presence of two objects was detected. Nasa’s Goddard Space Flight Center Researcher Sean Terry statedto space.com that system is thought to consist of a super-neptune orbiting a low-mass star at a distance comparable to the spaceBetween Venus and Earth.
The gravitational lensing effect enabled scientists to determine the mass ratio between the two objects, thought the exact measurements remain uncertain. David benett, a Senior research scientist at the university of maryland and nasa goddard, explained to space.com that calculating the mass ratio is straightforward, but pinting the extra Complex due to the system’s distance.
A Star and Its Planet or a Rogue Planet and A Moon?
Data from 2011 suggested that the larger object could eater be a low-mass star or a rogue planet, with the smaller body potentially being eite a Neptune-LIEKE EXOPLANET or a Moon. To class this, Researchers revisited observational records from the key observator in Hawaii and the European Space Agency’s Gaia Mission.
The team concluded that if the primary object was a rogue plan, it would not be visible with gravitational lensing. If it was a star, its brightness would confirm its identity. The latter Scenario was supported by follow-up observations, which identified a bright object approach Approximately 24,000 light-yars aweers the densaly Populated center
Potential intergalactic journey
The star’s movement over a decade was assessed, revaling its extreme velocity. If additional three-dimensional velocity components are factored in, The Speed Cold Exced 1.3 Million Million Miles per hour (600 kilometres per second), surpassing the Milky Way‘s escape velocity. This would sugest that bot the star and its expenses and its evil
University of Maryland Researcher Aparna Bhattacharya mentioned to space.com that further high-resolution observations are planned to determine whether the 2011 lensing Event CORRECT CORRESPONDS to this Suspected Hypervoleocity.
The upcoming launch of the nancy grace roman space telescope in 2027 is expected to provide more insights into hypervelocity stars and their potential planetary companys, with mission laad sean Terry HINDITING Acity for Comprehensive Surveys without the need for additional telescopes.
(Tagstotranslate) ITATIONAL LENSING (T) Keck observatorry
