constellation of Hercules, orbiting the 10th magnitude F-type main-sequence star HAT-P-14. This planet was discovered in 2010 by the HATNet Project using the transit...

of Finnish soldier Sissi, name given to the exoplanet HAT-P-14b, which orbits the star HAT-P-14 in the constellation of Hercules Cissy (disambiguation)...

Red Hat, Inc. (formerly Red Hat Software, Inc.) is an American software company that provides open source software products to enterprises and is a subsidiary...

HAT-P-1b is an extrasolar planet orbiting the Sun-like star HAT-P-1, also known as ADS 16402 B. HAT-P-1 is the dimmer component of the ADS 16402 binary...

HAT-P-11b (or Kepler-3b) is an extrasolar planet orbiting the star HAT-P-11. It was discovered by the HATNet Project team in 2009 using the transit method...

HAT-P-67 is a binary star system, made up of a F-type subgiant and a red dwarf star, which is located about 1,200 light-years away in the constellation...

HAT-P-38, formally named Horna, is a star located in the northern constellation Triangulum. It has an apparent magnitude of 12.51, making it readily visible...

A hat is a head covering which is worn for various reasons, including protection against weather conditions, ceremonial reasons such as university graduation...

The cowboy hat is a high-crowned, wide-brimmed hat best known as the defining piece of attire for the North American cowboy. Today it is worn by many...

football hat-trick scoring, including exceptional numbers of hat-tricks; exceptional feats in scoring a hat-trick; and achievements relating to the hat-trick...

published on 17 December 2019, with an additional pair of names (for the star HAT-P-21 and its planet) approved on 1 March 2020. An additional two star names...

A campaign hat, sometimes called campaign cover, is a broad-brimmed felt or straw hat, with a high crown, pinched symmetrically at the four corners. The...

HAT-P-17 is a K-type main-sequence star about 92.4 parsecs (301 ly) away. It has a mass of about 0.857 ± 0.039 M☉. It is the host of two planets, HAT-P-17b...

A pork pie hat is one of several different styles of hat that have been worn since the mid-19th century. The pork pie hat gained further popularity in...

HAT-P-30, also known as WASP-51, is the primary of a binary star system about 700 light-years away. It is a G-type main-sequence star. HAT-P-30 has a similar...

The bowler hat, also known as a Coke hat, billycock, bob hat, bombín (Spanish) or derby (United States), is a hard felt hat with a rounded crown, originally...

A hat-trick or hat trick is the achievement of a generally positive feat three times in a match, or another achievement based on the number three. The...

The Cat in the Hat is a 1957 children's book written and illustrated by American author Theodor Geisel, using the pen name Dr. Seuss. The story centers...

HAT-P-18 is a K-type main-sequence star about 530 light-years away. The star is very old and has a concentration of heavy elements similar to solar abundance...

HAT-P-24 is an F8 dwarf star about 413 parsecs away. A planet was discovered with the transit method by the HATNet Project in 2010. HAT-P-24b, is a typical...

HAT-P-23 is a G-type main-sequence star 1192 light-years away. It has a rapid rotation (rotation period equal to 7 days) for its advanced age of 4 billion...

HAT-P-5 is a 12th magnitude star in the constellation Lyra, approximately 1,000 light years away from Earth. It is a spectral type G star, about 1.16...

HAT-P-13, also known as GSC 03416-00543, is a G-type main sequence star approximately 800 light-years away in the constellation Ursa Major. In 2009 it...

HAT-P-8 is a magnitude 10 star located 700 light-years away in Pegasus. It is a F-type star about 28% more massive than the Sun. Two red dwarf companions...

romanized: ṭarbūš), is a felt headdress in the shape of a short, cylindrical, peakless hat, usually red, typically with a black tassel attached to the top. The name...

HAT-P-33b is a planet in the orbit of HAT-P-33, which lies 1,310 light years away from Earth. Its discovery was reported in June 2011, although it was...

HAT-P-9 is a magnitude 12 F star approximately 1500 light years away in the constellation Auriga. A search for a binary companion star using adaptive...

English terms for the hat include sedge hat, rice hat, paddy hat, bamboo hat, and—historically but now only offensively—coolie hat. In Southeast Asia, it...

A hi-hat (hihat, high-hat, etc.) is a combination of two cymbals and a pedal, all mounted on a metal stand. It is a part of the standard drum kit used...

HAT-P-5b is a transiting extrasolar planet located approximately 1000 light-years away in the constellation of Lyra, orbiting the star HAT-P-5. It is a...