This is the first time that so many such pale clusters have been discovered at once
No fewer than 96 open clusters were discovered by an international team of astronomers, who analyzed infrared data from the VISTA telescope in Chile. Most of the discovered clusters are very small, and include 10-20 stars. Compared to other open clusters, such as M44 (Beehive Cluster) in the Cancer group, where there are over 1000 stars, these are not record breakers. In addition, the clusters are very pale. If it weren't for the dust that separates us, we would see the clusters between 10,000 and 100 million times brighter (!). This is the first time that so many such pale clusters have been discovered at once.
Most stars that are just over half a solar mass form in open clusters. The sixty-nine new clusters join about 2500 clusters that we know. Researchers estimate that another 30,000 clusters lie in and behind the dust in the Milky Way and await their turn. So the new clusters may be the tip of the iceberg when it comes to discovering new clusters.
For a year now, the VISTA (Visible and Infrared Survey Telescope for Astronomy), which is located at the Paranal Observatory of the European Southern Observatory, has been surveying parts of the center of the Milky Way in infrared wavelengths. This is a project to search for variable objects in the center of the galaxy. The duration of the survey is about 2000 hours of observation in 100 observations that will span 5 years. At the end, it will be possible to compile a three-dimensional map of the center of the galaxy as seen in infrared light. The discovery will be published in the Journal of Astronomy & Astrophysics.
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A. No one thought that there were no stars or clusters behind the band of the Milky Way - the enthusiasm here is for the technological ability that makes it possible to see them for the first time (the day they identify a Benmath stone on a planet in another galaxy with a telescope, it will be exciting, even though it is clear that there are stones there)
B. The brightness of the stars is between ten thousand times and a hundred million times - although it is still a factor of ten thousand, but it is definitely better. The truth is that it is not clear to me what this huge error comes from, the reason for this may be that there is a difficulty in taking spectroscopic data on the stars and therefore it is not possible to characterize them (which means that it is impossible to know what their original illumination is).
There are some strange facts (to say the least) in this news. In a galaxy that has about 100 billion stars - what is the probability of "discovering" how many very small star clusters are behind the dust lane in the Milky Way? And because someone thought that behind the dust lane there are no stars and the discovery is sensational?
And even more strange is the assertion that if it weren't for the dust lane, we would see these stars between 10.000 and 100 million times brighter.
It's like saying that... this car is worth between 10.000 and 100 million shekels. is it serious
We didn't download anything, it just went down because of the site's frequent updates
https://www.hayadan.org.il/nasa-spacecraft-data-suggest-water-flowing-on-mars-0508114/
Hi, wasn't there an article about it being proven that there is water on Mars?
where is she?
And if you downloaded it because of its reliability, you shouldn't write a class about it or something... that I won't mislead my friend 🙂
http://en.wikipedia.org/wiki/Open_cluster
What is an "open cluster"? Is there also a "closed cluster"?
There is a lot to complain about. I personally was on Sderot Rothschild (by the way, also in some cases with Michael Rothschild) and we talked with people.
Until when will the main page of the science website ignore the protest in Israel?
As if scientists have nothing to protest in this country
If I'm not mistaken, it's a few stars that accumulate together
There are several clusters, some are open, some are scattered
Pale, it seems to me that you can hardly see them...
What are pale clusters?
Now will they enter the Mass catalog?