KELT-9b

KELT-9b is the hottest planet ever discovered.

Discovered by the KELT research team in 2017, the temperature at KELT-9b exceeds that of most stars. This page contains press coverage and general information about our discovery; more technical information is available here.

Quick facts

Source: @exo_cast on Twitter

Video about KELT-9b on SciShow Space:

Winner of the 2018 Exocup

We are honored to have been chosen by Exocast as the "hottest" planet of 2018, as decided by exoplanet enthusiasts on Twitter. Our road to victory was covered in a recent article in the Ohio State student newspaper.

In the news

Science: This exoplanet is hotter than most stars

USA Today: Scientists discover strange KELT-9b planet 'hotter than most stars'

The Guardian: Kelt-9b: astronomers discover hottest known giant planet

CNN: Newly discovered exoplanet is 'hotter than most stars

Newsweek: KELT-9b: This Planet’s Atmosphere Is so Hot It Can Vaporize Heavy Metals

Washington Post: The hottest planet ever discovered has an atmosphere as warm as a star’s

Mic: Scientists discover giant, burning-hot planet KELT-9b

Daily Mail: Revealed: The hottest planet ever found! KELT-9b is a hellish world 650 light years away that reaches 4,327°C - smashing the previous record by more than 1,100°C

Scientific American: Feeling Hot, Hot, Hot: Astronomers Discover a Giant Planet Hotter Than Most Stars

BGR: Astronomers spot an exoplanet so hot it has iron and titanium in its atmosphere

Gizmodo: Astronomers Directly Detect Iron and Titanium on an Exoplanet for the First Time

Space.com: Iron and Titanium Found on 'Ultrahot Jupiter,' an Exoplanet First

Space.com: Hottest Alien Planet Ever Discovered Is a Real Scorcher

Sky & Telescope: KELT-9b: Hottest Hot Jupiter Exoplanet Yet

JPL: Astronomers Find Planet Hotter Than Most Stars

Vanderbilt University: Astronomers discover exoplanet hotter than most stars


News

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New 'hot Jupiter' with short orbital period discovered

Jul 12

(Phys.org)—An international team of astronomers reports the discovery of a new "hot Jupiter" exoplanet with a short orbital period of just three and a half days. The newly detected giant planet, designated KELT-20b, circles a rapidly rotating star known as HD 185603 (or KELT-20). The finding was presented in a paper published July 5 on arXiv.org.

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Mysterious Stellar Eclipse Point To A Giant Ringed Gas Planet Surrounded By A Ring Of Dust

Jun 07

Scientists have discovered a giant ringed gas planet which is likely caused by a mysterious stellar eclipse. The planet has 50 times mass of Jupiter and it is surrounded by a ring of dust. According to researchers from the University of Warwick, this planet is hurtling around a star more than 1000 light years away from Earth.

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New 'hellish,' hot planet rivals most stars

Jun 06

Researchers recently discovered a strange, scorching-hot planet that is only slightly cooler than our sun.

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Major KELT-South Planet discovery

Apr 13

KELT-11b is the latest discovery from KELT-South. It is extraordinarily inflated, with a mass one fifth that of Jupiter but a size almost 40% larger, so the bulkdensity is below 0.1 grams per cc.

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