In the universe of unending stars, planets and galaxies, India has made a spot for itself via finding a sub-Saturn or super-Neptune sized planet, which is ready 27 instances the mass of Earth and measures six instances its radius. With this discovery, the country has joined a select league of countries, which has discovered planets around stars.
A group of scientists at Physical Research Laboratory (PRL), Ahmedabad, discovered the planet, which revolves around a sun-like star some 600 gentle years away, via measuring the mass of the planet the use of the indigenously designed PRL Advance Radial-velocity Abu-Sky Search (Paras) spectrograph built-in with a 1.2m telescope at PRL’s Gurushikar Observatory in Mount Abu.
After staring at the planet for greater than a yr, the group led via professor Abhijit Chakraborty came up with the deductions, the details of which is able to seem within the June issue of the Astronomical Journal of the American Astronomical Society.
In a post on the Indian Space Research Organisation’s site, scientists mentioned the name of the host star is EPIC 211945201 or K2-236 and the planet will probably be known as EPIC 211945201b or K2-236b. With a surface temperature of 600°C, the planet was once discovered take 19.five Earth days to move around the star. Being seven instances closer its star compared to the Earth-Sun distance, it's uninhabitable.
According to scientists, the invention is of significance for working out the formation of such super-Neptune or sub-Saturn planets that are too just about the host star.
Initially, it was once Nasa’s K2 (Kepler2) photometry that discovered that the source was once a planetary candidate as it was once transiting, where the planet body is available in between the star and the observer on Earth. Transiting is the method when the planet is going around the star and blocks a tiny amount of star-light. By measuring the volume of sunshine blocked via the planet, its diameter or dimension may also be measured. In this situation Nasa knowledge was once not sufficient to confirm the planetary nature of the machine.
Paras spectrograph, an software that separates gentle into a frequency spectrum and records the sign the use of a digital camera, made an unbiased measurement of the mass of the planet. PRL scientists seen the target for about 18 months and made calculations that recommended that components like ice, silicates and iron content material make 60% to 70% of the entire mass. This detection was once necessary as it adds to a sparse catalogue of showed exoplanets.
A group of scientists at Physical Research Laboratory (PRL), Ahmedabad, discovered the planet, which revolves around a sun-like star some 600 gentle years away, via measuring the mass of the planet the use of the indigenously designed PRL Advance Radial-velocity Abu-Sky Search (Paras) spectrograph built-in with a 1.2m telescope at PRL’s Gurushikar Observatory in Mount Abu.
After staring at the planet for greater than a yr, the group led via professor Abhijit Chakraborty came up with the deductions, the details of which is able to seem within the June issue of the Astronomical Journal of the American Astronomical Society.
In a post on the Indian Space Research Organisation’s site, scientists mentioned the name of the host star is EPIC 211945201 or K2-236 and the planet will probably be known as EPIC 211945201b or K2-236b. With a surface temperature of 600°C, the planet was once discovered take 19.five Earth days to move around the star. Being seven instances closer its star compared to the Earth-Sun distance, it's uninhabitable.
According to scientists, the invention is of significance for working out the formation of such super-Neptune or sub-Saturn planets that are too just about the host star.
Initially, it was once Nasa’s K2 (Kepler2) photometry that discovered that the source was once a planetary candidate as it was once transiting, where the planet body is available in between the star and the observer on Earth. Transiting is the method when the planet is going around the star and blocks a tiny amount of star-light. By measuring the volume of sunshine blocked via the planet, its diameter or dimension may also be measured. In this situation Nasa knowledge was once not sufficient to confirm the planetary nature of the machine.
Paras spectrograph, an software that separates gentle into a frequency spectrum and records the sign the use of a digital camera, made an unbiased measurement of the mass of the planet. PRL scientists seen the target for about 18 months and made calculations that recommended that components like ice, silicates and iron content material make 60% to 70% of the entire mass. This detection was once necessary as it adds to a sparse catalogue of showed exoplanets.
Exoplanet find that put India in select league
![Exoplanet find that put India in select league]()
Reviewed by Kailash
on
June 12, 2018
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