Astronomers discover a small massive white dwarf star

Astronomers have found white dwarf stars that are a little contradictory. It’s small, but at the same time, it is the most massive white dwell ever seen. The star was formed when two less large white dwarves joined and around 4300 kilometers, made it a little bigger than the moon. 

Even though the size is small, he packs a mass larger than the sun into the body size of the moon. Astronomers say that the smaller white dwarf, the greater they tend. It was because the white skin did not have nuclear fuel combustion which made normal stars not faint under their own gravity.

The researchers found a star using Zwicky or ZTF facilities operating at Caltech Palomar Observatory. The white dwarf is the remnant of the star that collapsed once about eight times the sun or less. These stars show what will happen to our sun in the distant future.

Within around 5 billion years, the sun will develop into a red giant star before losing the outer layer and shrink to small white dwarfs. Scientists say that around 97 percent of each star in the universe will eventually become a white dwarf. Many orbit stars in binary pairs, and as they get older, if they are less than eight solar masses, they both become white dwarf stars. The newly discovered white dwarf shows what can happen after the phase when a pair of spiral white dwarfs around each other and finally joined.

If the star couple is quite large, it will explode into the type of he supernova, but they only combine under a certain bulk threshold, creating new white dwarfsher than separate stars. The process of merging increases the star magnetic field and accelerates the rotation compared to the stars that form it.

The newly discovered white dwarf is named ZTF J1901 + 1458, and it’s interesting because of the mass of the stars that make it or right below the mass limit that will cause a supernova. The merger produces white dwarf 1.35 times the mass of the sun while having a magnetic field almost one billion times stronger than the sun. It also orbits on its axis with a revolution every seven minutes.