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Encyclopedia > Triangulum (galaxy)
Triangulum Galaxy
Galaxy List of galaxies

The Triangulum Galaxy NGC 4414, a typical spiral galaxy in the constellation Coma Berenices, is about 56,000 light years in diameter and approximately 60 million light years distant. ... List of galaxies: Abell 1835 IR1916 AM 0644-741 Andromeda Galaxy (M31/NGC 224) Andromeda I Andromeda II Andromeda III Aquarius Dwarf Barnards Galaxy (NGC 6822) Black Eye Galaxy (M64/NGC 4826) Bodes Galaxy (M81/NGC 3031) Canis Major Dwarf Galaxy Carina Dwarf Centaurus A Galaxy Draco Dwarf Fornax...

Observation data
(Epoch J2000.0)
Type SAdm
Right ascension 01h 33.9m 50.8s
Declination +30° 39' 37"
Distance 2.59 million ly [1]
Redshift  ?
Apparent magnitude (V) +5.7
Apparent dimensions (V) 73 × 45 arcmin
Constellation Triangulum
Physical characteristics
Radius 30,000 (or 25,000) ly
Absolute magnitude (V) unknown
Notable features none
Other designations M33, NGC 598

The Triangulum Galaxy (also known as M33 or NGC 598) is a spiral galaxy about 2.6 million light-years away in the constellation Triangulum. The Triangulum Galaxy is small relative to its larger neighbors such as the Milky Way Galaxy and the Andromeda Galaxy, but is about average compared to most spiral galaxies in the universe. The Triangulum Galaxy is a member of the Local group of galaxies and may be a gravitationally bound companion of Andromeda. The Pisces Dwarf (LGS 3), one of the small Local Group member galaxies, is possibly a satellite of Triangulum. In astronomy, an epoch is a moment in time for which celestial coordinates or orbital elements are specified. ... The J2000. ... Astronomers classify galaxies based on their overall shape (elliptical, spiral or barred spiral) and further by the specific properties of the individual galaxy (for example degree of ellipse, number of spirals or definition of bar). ... Right ascension (RA; symbol α: Greek letter alpha; celestial longitude) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ... In astronomy, declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ... (Redirected from 1 E22 m) Categories: Orders of magnitude (length) ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... Redshift of spectral lines in the optical spectrum of a supercluster of distant galaxies (right), as compared to that of the Sun (left). ... // Headline text HEY!! HOW ARE YOU ALL?? Its nice of you to come read this page. ... A minute of arc, arcminute, or MOA is a unit of angular measurement, equal to one sixtieth (1/60) of one degree. ... Pierce this website is not very reliable!!!!!!!!!!!!!!!!! Some well-known constellations contain striking and familiar patterns of bright stars. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... In classical geometry, a radius of a circle or sphere is any line segment with one endpoint on the circle (i. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... In astronomy, absolute magnitude is the apparent magnitude, m, an object would have if it were at a standard luminosity distance away from us. ... Table of all 110 Messier objects. ... A spiral galaxy is a type of galaxy in the Hubble sequence which is characterized by the following physical properties: Spiral Galaxy M74 presents a face-on view of its spiral arms. ... (Redirected from 1 E22 m) Categories: Orders of magnitude (length) ... A light year (or light-year, or lightyear), abbreviated ly, is the distance light travels in one year: about 9. ... Pierce this website is not very reliable!!!!!!!!!!!!!!!!! Some well-known constellations contain striking and familiar patterns of bright stars. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Galaxia Kuklos; or simply the Galaxy) is a barred spiral galaxy in the Local Group, and has special significance to humanity as the location of the solar system, which is located near the Orion... The Andromeda Galaxy (also known as M31 or NGC 224; older texts often call it the Andromeda Nebula) is a giant spiral galaxy in the Local Group, together with the Milky Way galaxy. ... Map of the local group The Local Group is the group of galaxies that includes our galaxy, the Milky Way. ... A satellite is any object that orbits another object (which is known as its primary). ...


Andreas Brunthaler reported research in 2005 that showed the proper motion of the Triangulum Galaxy, from maser-produced radio emissions, to be approaching Andromeda at 190 km/s. This was the first measurement of the proper motion of any galaxy, and amounts to tens of micro-arcseconds per year. 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... The proper motion of a star is the motion of the position of the star in the sky (the change in direction in which we see it, as opposed to the radial velocity) after eliminating the improper motions of the stars, which affect their measured coordinates but are not real... An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. ... A kilometre (American spelling: kilometer), symbol: km is a unit of length in the metric system equal to 1000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ... A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 ≈ 7. ...

Contents


General information

The Triangulum Galaxy was probably discovered by Giovanni Batista Hodierna before 1654, who may have grouped it together with open cluster NGC 752. It was independently discovered by Charles Messier in 1764, who catalogued it as M33 on August 25. M33 was also catalogued independently by William Herschel on September 11, 1784, who assigned it the number H V.17. It was among the first "spiral Nebulae" identified as such by Lord Rosse. Giovanni Batista Hodierna (1597-1660) was an astronomer at the court of the Duke of Montechiaro. ... Events April 5 - Signing of the Treaty of Westminster, ending the First Anglo-Dutch War. ... Globular Cluster M92 in the Hercules constellation. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... Charles Messier Charles Messier (June 26, 1730 – April 12, 1817) was a French astronomer who in 1774 published a catalogue of 45 deep sky objects such as nebulae and star clusters. ... 1764 was a leap year starting on Sunday (see link for calendar). ... Table of all 110 Messier objects. ... August 25 is the 237th day of the year in the Gregorian Calendar (238th in leap years), with 128 days remaining. ... Sir Wilhelm Friedrich Herschel, FRS (Hanover, November 15, 1738 – August 25, 1822 Slough, then in Buckinghamshire now in Berkshire) was a German-born British astronomer and composer who became famous for discovering the planet Uranus, and made many other astronomical discoveries. ... September 11 is the 254th day of the year in the Gregorian calendar (255th in leap years). ... 1784 was a leap year starting on Thursday (see link for calendar). ... Lord Rosse William Parsons, 3rd Earl of Rosse (June 17, 1800 – October 31, 1867) was an Irish astronomer. ...


Herschel also cataloged The Triangulum Galaxy's brightest and largest H II region (diffuse emission nebula containing ionized hydrogen) as H III.150 separately from the galaxy itself, which eventually obtained NGC number 604. As seen from Earth NGC 604 is located northeast of the galaxy's central core, and is one of the largest H II regions known with a diameter of nearly 1500 light years and a spectrum similar to the Orion Nebula. NGC 604, a giant H II region in the Triangulum Galaxy. ... An emission nebula is a cloud of ionized gas ( a plasma) emitting light of various colors. ... // An ion is an atom or group of atoms with a net electric charge. ... Italic textLink titleLink titlelink titlelink titleBold text General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... Legend: γ = Gamma rays HX = Hard X-rays SX = Soft X-Rays EUV = Extreme ultraviolet NUV = Near ultraviolet Visible light NIR = Near infrared MIR = Moderate infrared FIR = Far infrared Radio waves: EHF = Extremely high frequency (Microwaves) SHF = Super high frequency (Microwaves) UHF = Ultrahigh frequency VHF = Very high frequency HF = High frequency... The entire Orion Nebula in visible light Optical images reveal clouds of gas and dust in the Orion Nebula; an infrared image (right) reveals the new stars shining within. ...


This galaxy can be seen with the naked eye under exceptionally good conditions.


References in fiction

In the fictional Star Trek universe, the Triangulum Galaxy is where the USS Enterprise is warped to after a being known as The Traveler uses his powers to influence the ship's warp drive. M33 is said to be approximately 2.7 million light years away from the United Federation of Planets territories. The galaxy was first encountered in the Star Trek: The Next Generation episode "Where No One Has Gone Before." Star Trek collectively refers to a science-fiction franchise spanning six unique television series, 726 episodes and ten feature films in addition to hundreds of novels, computer and video games, fan stories and other works of fiction all set within the same fictional universe created by Gene Roddenberry in the... In the Star Trek fictional universe, the USS Enterprise (NCC-1701-D) is the Galaxy class starship that is the principal setting of the television series Star Trek: The Next Generation (TNG). ... In the fictional Star Trek universe, The Traveler is a highly advanced humanoid from Tau Alpha C. The Traveler is exceptionally skilled mentally and is able to make a bridge between space, time, and thought which he, and presumably those of his kind, uses to travel throughout the galaxy. ... In the Star Trek fictional universe, the United Federation of Planets (UFP) – widely referred to and known amongst fans as merely the Federation – is an interstellar federal state of more than 150 member planets and thousands of colonies. ... The title as it appeared in most episodes opening credits. ... Where No One Has Gone Before is a first season episode of Star Trek: The Next Generation. ...


On Gene Roddenberry's Andromeda the Systems Commonwealth had territory in the Triangulum Galaxy in addition to the Andromeda and Milky Way Galaxies. Gene Roddenberry, the creator of Star Trek Eugene Wesley Roddenberry (August 19, 1921 – October 24, 1991 Born in El Paso, Texas) was an American scriptwriter and producer. ... Gene Roddenberry’s Andromeda was a science fiction television series, created by Gene Roddenberry but produced posthumously. ... The All Systems Commonwealth or just simply the Systems Commonwealth (from Gene Roddenberrys science fiction TV series Andromeda) was born out of the Vedran Empire. ... The Andromeda Galaxy (also known as M31 or NGC 224; older texts often call it the Andromeda Nebula) is a giant spiral galaxy in the Local Group, together with the Milky Way galaxy. ... The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Galaxia Kuklos; or simply the Galaxy) is a barred spiral galaxy in the Local Group, and has special significance to humanity as the location of the solar system, which is located near the Orion...


See also

Table of images of all 110 Messier objects. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ...

References

  1. ^  McConnachie, A. W. et al. (2004). "Determining the Location of the Tip of the Red Giant Branch in Old Stellar Populations: M33, Andromeda I & II". MNRAS 350: 243. arXiv:astro-ph/0401453.
  • The Geometric Distance and Proper Motion of the Triangulum Galaxy (M33). Andreas Brunthaler et al. URL accessed on April 3, 2005. Paper 296KB PDF
  • Galaxies in motion. eurekalert.org. URL accessed on April 3, 2005.
  • Distant galaxy's subtle sidling measured. NewScientist.com. URL accessed on April 3, 2005.

arXiv. ... April 3 is the 93rd day of the year (94th in leap years) in the Gregorian calendar, with 272 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... April 3 is the 93rd day of the year (94th in leap years) in the Gregorian calendar, with 272 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... April 3 is the 93rd day of the year (94th in leap years) in the Gregorian calendar, with 272 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...

External link

  • Messier 33, SEDS Messier pages

  Results from FactBites:
 
Triangulum Galaxy (261 words)
Triangulum is small relative to its larger neighbors such as the Milky Way and Andromeda Galaxy, but is about average compared to most spiral galaxies in the universe.
Triangulum is a member of the Local Group of galaxies and may be a gravitationally bound companion of the Andromeda Galaxy.
NGC 604 is located in the northeastern corner of the galaxy as seen from Earth, and is one of the largest H II regions known with a diameter of nearly 1500 light years and a spectrum similar to the Orion Nebula.
The Triangulum Transmission (1283 words)
Finally, while there are transcendent minds within Triangulum, the Source oversees the development of all first toposophic and above mentalities and, using a combination of memetic and technic manipulation, causes all minds above the level of fifth toposophic to merge with itself.
Although the Triangulums cannot be completely sure, they postulate that the unknown creators of the Leviathan have imploded their entire galaxy down to a fraction of its former size before converting it into a single artificial structure or complex of structures and launching it across intergalactic space.
The Triangulum are beaming their transmission and its data to all of the galaxies within the Local Group so that all may be aware of this visitor from beyond.
  More results at FactBites »

 
 

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