G1, G01, G.I, G-1, or G One may refer to:

Science and technology

G1 phase The G1 phase, gap 1 phase, or growth 1 phase, is the first of four phases of the cell cycle that takes place in eukaryotic cell division. In this part of interphase, the cell synthesizes mRNA and proteins in preparation for subsequent steps lead ...

, in the cellular cycle * G1 regulatory sequence for the insulin gene * ATC code G01 ''Gynecological antiinfectives and antiseptics'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Alkali metal, Group 1 of the periodic table * G1, an informal group of fossil bird eggs from the Gobi desert that were later named '' Gobioolithus minor''

Astronomy

* Globular cluster

Mayall II Mayall II, also known as NGC-224-G1, SKHB 1, GSC 2788:2139, HBK 0-1, M31GC J003247+393440 or Andromeda's Cluster, is a globular cluster orbiting M31, the Andromeda Galaxy. It is located from the Andromeda Galaxy's galactic core, and is the brig ...

YGKOW G1 The Twin Quasar (also known as Twin QSO, Double Quasar, SBS 0957+561, TXS 0957+561, Q0957+561 or QSO 0957+561 A/B), was discovered in 1979 and was the first identified gravitationally lensed object. It is a quasar that appears as two images, a r ...

, a giant elliptical galaxy that lensed the Twin Quasar * G1 star, a subclass of G-class stars * G1, a cloud that passed by

Sagittarius A* Sagittarius A* ( ), abbreviated Sgr A* ( ), is the supermassive black hole at the Galactic Center of the Milky Way. It is located near the border of the constellations Sagittarius and Scorpius, about 5.6° south of the ecliptic, ...

around 2001-2002 * g1, temporary designation of minor planet , a ''New Horizons'' flyby candidate

Computing

Garbage-first collector The garbage-first collector (G1) is a garbage collection algorithm introduced in the Oracle HotSpot Java virtual machine (JVM) 6 and supported from 7 Update 4. It was planned to replace concurrent mark sweep collector (CMS) in JVM 7 and was made ...

, of the Oracle HotSpot Java virtual machine * G1, in

ISO 2022 ISO/IEC 2022 ''Information technology—Character code structure and extension techniques'', is an ISO/ IEC standard (equivalent to the ECMA standard ECMA-35, the ANSI standard ANSI X3.41 and the Japanese Industrial Standard JIS X 0202) in the ...

character sets, one of 4 groups of characters that may be swapped into the encoding space via control codes

Cameras

Contax G1 The Contax G camera line consists of two cameras, the G1 and G2, interchangeable-lens cameras sold by Kyocera under the Contax brand in competition with the Leica M7, Cosina Voigtländer Bessa-R, and Konica Hexar RF. The G1 was introduced in 199 ...

, a Rangefinder camera made by Contax * DSC-G1, a 2007 Sony Cyber-shot G series camera model *

PowerShot G1 The Canon PowerShot G is a series of digital cameras introduced by Canon in its PowerShot line in 2000. The G series cameras are Canon's flagship compact models aimed at photography enthusiasts desiring more flexibility than a point-and-shoot with ...

, a Canon camera *

Panasonic Lumix DMC-G1 The Panasonic Lumix DMC-G1 was the first digital mirrorless interchangeable-lens camera (MILC) adhering to the Micro Four Thirds system design standard. The G1 camera is similar to the larger Four Thirds system format DSLR cameras, but replaces ...

, a digital camera made by Panasonic

Military

Ordnance QF 25 pounder The Ordnance QF 25-pounder, or more simply 25-pounder or 25-pdr, was the major British field gun and howitzer during the Second World War. Its calibre is 3.45-inch (87.6 mm). It was introduced into service just before the war started, comb ...

(South African Army designation: G1) *

G-1 (submarine) G1, G01, G.I, G-1, or G One may refer to: Science and technology * G1 phase, in the cellular cycle * G1 regulatory sequence for the insulin gene * ATC code G01 ''Gynecological antiinfectives and antiseptics'', a subgroup of the Anatomical Thera ...

, a class of early-20th century submarines constructed by the Lake Torpedo Boat Company of Bridgeport, Connecticut and purchased by the US Navy *

Char G1 The Char G1 was a French replacement project for the Char D2 medium tank. Several prototypes from different companies were developed from 1936 onwards, but not a single one had been fully completed at the time of the Fall of France in 1940. The ...

, a French tank * G1, the designation used by the West German and Turkish armies for the FN FAL rifle * G.I, a German designation for several World War I heavy bombers: ** AEG G.I **

Albatros G.I The Albatros G.I, (post-war company designation L.4), was a four-engined German biplane bomber of World War I. Development Founded on 27 April 1914 the Ostdeutsche Albatroswerke G.m.b.H. at Schneidemühl by Otto Wiener and Dr. Walter Huth, the ...

, a German aircraft whose development was the Albatros G.II 1916 aircraft ** Friedrichshafen G.I ** Gotha G.I ** Hansa-Brandenburg G.I, a 1916 bomber aircraft * Fokker G.I, a 1937 Dutch heavy twin-engined fighter plane *

G-1 military flight jacket The "G-1" military flight jacket is the commonly accepted name for the fur-lined-collar World War II-era leather flight jacket of the United States Navy, Marine Corps, and Coast Guard. A similar jacket used by the United States Army Air Corps/Un ...

, a type of flight jacket *

Kampfgeschwader 55 ''Kampfgeschwader'' 55 "Greif" (KG 55 or Battle Wing 55) was a Luftwaffe bomber unit during World War II. was one of the longest serving and well-known in the Luftwaffe. The wing operated the Heinkel He 111 exclusively until 1943, when only ...

(historic ''Geschwaderkennung'' code ''G1''), with the Luftwaffe in World War II

Sports

G1 Climax The is a professional wrestling tournament held each August by the New Japan Pro-Wrestling (NJPW) promotion. Though it has sometimes been held as a single-elimination tournament, it is usually (and currently) held as a round-robin, with winners ...

, an annual professional wrestling singles tournament held by New Japan Pro Wrestling * Group One, the highest level races in horseracing

Transportation

G1 Aviation G1 The G1 Aviation G1 is a French STOL ultralight aircraft, designed and produced by G1 Aviation of Tallard. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; e ...

, French ultralight aircraft *

G1 Beijing–Harbin Expressway The Beijing–Harbin Expressway (), designated as G1 and commonly abbreviated as Jingha Expressway () is an expressway linking the cities of Beijing and Harbin, Heilongjiang. The Beijing–Harbin Expressway is commonly referred to as th ...

, in China * Alfa Romeo G1, a 1921 Italian car * Gorkha Airlines (IATA airline designator) * One of the G-series Toronto subway cars

Other uses

G1 (website) G1, stylized as g1, is a Brazilian news portal maintained by Grupo Globo and under the guidance of Central Globo de Jornalismo. It was released on September 18, 2006, the year Rede Globo was 41 years old. The portal provides the journalism conten ...

, a Brazilian news portal owned by Grupo Globo *

G1 Group The Scotsman Group (previously G1 Group and King City Leisure) is a Scottish hospitality and leisure operator based in Glasgow, Scotland. It is run by its founder Stefan King. The company operates more than 50 venues in cities all over Scotlan ...

, a Scottish hospitality and leisure operator * G1 licence, the first tier in the graduated licensing programme for Ontario's new drivers * G.One (character), an android super hero * Gangwon No.1 Broadcasting, a Seoul Broadcasting System television channel in Gangwon Province * T-Mobile G1, the first publicly available Android smartphone * Transformers: Generation 1, a toy line which ran from 1984 to 1992 ** ''The Transformers'' (TV series), an animated television series meant to promote the toy line (popularly referred to as Generation 1)