Hubble Space Telescope Captures Creepy Carbon Star CW Leonis


To rejoice Halloween, this week’s picture from the Hubble House Telescope exhibits the star CW Leonis, which Hubble scientists say “resembles a baleful orange eye obtrusive from behind a shroud of smoke.”

CW Leonis is a carbon star, a kind of purple large that accommodates extra carbon than oxygen and subsequently creates a sooty environment with a reddish colour. Carbon monoxide is fashioned within the higher layers of its environment, consuming the oxygen and leaving different carbon atoms free to create soot-like compounds. It’s these sooty compounds that create the mud shroud surrounding the star.

A striking observation of the carbon star CW Leonis, which resembles a baleful orange eye glaring from behind a shroud of smoke.
The NASA/ESA Hubble House Telescope celebrates Halloween this yr with a placing remark of the carbon star CW Leonis, which resembles a baleful orange eye obtrusive from behind a shroud of smoke. ESA/Hubble & NASA, T. Ueta, H. Kim

In addition to being a enjoyable Halloween celebration, imaging CW Leonis can be vital for scientists learning carbon stars. It’s the closest carbon star to Earth, so astronomers can see extra about the way it interacts with the envelope of mud and fuel round it. “This can be a significantly fascinating object to check because the envelope of CW Leonis is comparatively turbulent, with a fancy inside construction that astronomers imagine could also be sculpted by a close-by companion star,” the European House Company writes.

The information that was used to create this picture was captured by Hubble over a interval between 2011 and 2016 by its Broad Discipline Digital camera 3. Nevertheless, extra just lately Hubble has had an issue with its methods. This week, all the telescope’s devices have been positioned into secure mode, throughout which they don’t acquire information, as a result of a synchronization problem.

“Hubble’s science devices went into secure mode on Monday after experiencing synchronization points with inner spacecraft communications,” the official Hubble account tweeted on October 25. “Science observations have been quickly suspended whereas the workforce investigates the problem. The devices stay in good well being.”

This follows an issue with Hubble {hardware} that occurred this summer season. The telescope was in secure mode for greater than a month whereas engineers investigated the issue and stuck it by switching to backup {hardware}. Hubble is greater than 30 years previous now, and its ageing {hardware} may proceed to expertise such points. However engineers have confirmed expert at overcoming these issues, so fingers crossed that this newest problem may be mounted quickly as nicely.

Editors’ Suggestions