The universe is full of spherical objects: stars, planets, black holes and a part of the satellites that we can find in our environment have more or less round shapes. However, there are other types of spheres (or rather other types), spheres that are not formed of compact matter but whose circular nature can be captured by our instruments.
Teleios. A few days ago, an international team led by researchers at the Western Sydney University announced The discovery of a unique object spherical located in our own galaxy. Although the main hypothesis about the origin of this object is in the outbreak of an IA type supernova, the team admitted that some pieces did not fit. This leaves the door open to different possibilities.
One of the details we know about this object is that it can be detected “almost exclusively” in radio frequencies, something not so conventional in this type of objects. This and other details of the discovery make the object an immense enigma. An enigma that does not even escape its location.
The problem of distance. We know that this sphere is found at a not very large distance from our solar system, inside the Milky Way. The problem is that the team responsible for its study has only been able to delimit two possible distances to which the object could be found: either at around 7,175 years-years of us, or about 25,114 light years of our location.
This has an obvious involvement and we don’t know what size this sphere is either. If we assume that it is located at the closest point, its size would be about 45.7 light years in diameter. However, it could also be further and be larger: it would be more than 156.6 light years of length if it was found in the farthest location contemplated.
Unknown age. The size is in turn a temporary implication. Being an explosion, the object would have formed from inside out, as an expansive wave. That is, if the radius of this explosion is longer, we would be facing a burst occurred longer than if we were watching a shorter radius.
The team’s estimates indicate that, if located at the closest point, the supernova that this remnant would have left would have been given less than one millennium; While if it was about the location, we would be talking about an event that occurred more than 10,000 years ago.
The problem of X -rays. One of the enigmas that surrounds Teleios has to do with the X -rays or, rather, with the absence of these. The models used by the equipment suggest that the remnants of a supernova as the detected should emit radiation not only in radio frequencies but also in X -rays.
IAX type supernovae. The fact that this is not the case has led the team to raise a somewhat different hypothesis: that it is not the remnants of a Ia supernova but of a IAX type. The IAX supernovas are a subtype of the former. The IA Supernovas occur in binary systems dominated by a white dwarf star that absorbs the subject of its companion star until reaching a critical mass that leads it to explode.
The explosions of this type of supernovas are very predictable: as they always explode when reaching the same critical conditions, these supernovas shine with a predictable intensity. But not always: There are cases in which the outbreak is lower speed and luminosity. Something that makes these supernovae unique is that they leave behind a important remnanta “zombie star” that we cannot find in conventional supernovae.
This hypothesis however poses another problem, and for this to be the case, Teleios would have to be much closer to our planet than the estimates of the team itself posed. As noted, none of the hypotheses raised can answer all the issues raised by this enigmatic object, so more observations will be necessary and determine exactly what we have in front.
Askap. The finding of G305.4–2.2, another designation for teleIos, was made in the context of the creation of the evolutionary map of the universe or EMU (Evolutionary Map of the Universe), A work done by the Askap Observatory (Australian Square Kilometre Array Pathfinder).
The team recently sent an article to the magazine Publications of the Astronomical Society of Australia detailing the details of the finding. The drafteven under review, it can be consulted through the repository Arxiv.
ORCS. In recent years it has been done relatively common Topar with strange circular objects with a certain resemblance to teleIos. Some of these objects are usually classified as a strange circle of radio or orcs (Odd Radio Circles), A name that already accounts for the strangeness they generate in astronomers.
These circles usually occur in the Intergalactic space So the scale in which they are given is different from that of Teleios. Initially cataloged as Supernovas, these circles still consider an important enigma for astronomers.
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Image | SUPERNOVA TYCHO, NASA/CXC/SAO/JPL-CALTECH/MPIA/HIGH CALAR/O. Krause et al.
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