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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... Image File history File links PIA03033. ...

Observation data
(Epoch J2000)
Constellation Triangulum
Right ascension 01h 33m 50.9s[1]
Declination +30° 39′ 36″[1]
Redshift -179 ± 3 km/s[1]
Distance 3.14 ± 0.17 Mly (960 ± 50 Mpc)[2]
Type SA(s)cd[1]
Apparent dimensions (V) 70′.8 × 41′.7[1]
Apparent magnitude (V) +6.3[1]
Notable features NGC 604
Other designations
Messier 33, NGC 598, UGC 1117, PGC 5818[1]

The Triangulum Galaxy (also known as Messier 33 or NGC 598) is a spiral galaxy about 3.14 million light-years away in the constellation Triangulum. The Triangulum Galaxy is small relative to its larger neighbors, the Milky Way Galaxy and the Andromeda Galaxy, but is about average compared to most spiral galaxies in the universe. It is the smallest of the three largest galaxies (all of them spiral galaxies) in 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. ... This article or section does not cite its references or sources. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... Right ascension (RA; symbol α: Greek letter alpha) 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. ... Redshift of spectral lines in the optical spectrum of a supercluster of distant galaxies (right), as compared to that of the Sun (left). ... A kilometer (Commonwealth spelling: kilometre), symbol: km is a unit of length in the metric system equal to 1,000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ... Look up second in Wiktionary, the free dictionary. ... (Redirected from 1 E22 m) Categories: Orders of magnitude (length) ... A light-year, symbol ly, is the distance light travels in one year: exactly 9. ... Stellar parallax motion The parsec (symbol pc) is a unit of length used in astronomy. ... 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). ... // Headline text HEY!! HOW ARE YOU ALL?? Its nice of you to come read this page. ... Nebula NGC 604 NGC 604 is an H II region inside the Triangulum Galaxy. ... The Messier objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12921 galaxies visible from the northern hemisphere. ... The Principal Galaxies Catalogue (PGC) is an astronomical catalogue that contains all available primary information for each of the known galaxies: morphological type, major and minor axes, magnitude, radial velocity and position angle. ... The Messier objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. ... The New General Catalogue (NGC) is the most well-known catalogue of deep sky objects in amateur astronomy. ... 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, symbol ly, is the distance light travels in one year: exactly 9. ... This article or section does not cite its references or sources. ... 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... M31 in a small telescope The Andromeda Galaxy (IPA: , also known as Messier 31, M31, or NGC 224; older texts often called it the Andromeda Nebula) is a spiral galaxy approximately 2. ... A member of the Local Group of galaxies, irregular galaxy Sextans A is 4. ... Pisces Dwarf is an irregular dwarf galaxy that is part of the Local Group. ... MILSTAR:A communication satellite A satellite is any object that orbits another object (which is known as its primary). ...


In 2005 observations of two water masers on opposite sides Triangulum via the VLBA, researchers, for the first time, were able to estimate the angular rotation and proper motion of Triangulum. A velocity of 190 ± 60 km/s relative to the Milky Way is computed which gives the velocity of Triangulum is moving towards Andromeda.[3] 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. ... VLBA locations. ... A kilometer (Commonwealth spelling: kilometre), symbol: km is a unit of length in the metric system equal to 1,000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ... Look up second in Wiktionary, the free dictionary. ... M31 in a small telescope The Andromeda Galaxy (IPA: , also known as Messier 31, M31, or NGC 224; older texts often called it the Andromeda Nebula) is a spiral galaxy approximately 2. ...

Contents

General information

NGC 604 in the Triangulum Galaxy is a very massive open cluster surrounded by an H II region.
NGC 604 in the Triangulum Galaxy is a very massive open cluster surrounded by an H II region.

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 number H V.17. It was among the first "spiral nebulae" identified as such by Lord Rosse. Download high resolution version (1127x1201, 2479 KB) Wikipedia does not have an article with this exact name. ... Download high resolution version (1127x1201, 2479 KB) Wikipedia does not have an article with this exact name. ... Categories: Astronomy stubs | Nebulae | NGC objects ... An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud, and are still loosely gravitationally bound to each other. ... NGC 604, a giant H II region in the Triangulum Galaxy. ... 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). ... The Messier objects are a set of astronomical objects catalogued by Charles Messier in his catalogue of Nebulae and Star Clusters first published in 1774. ... August 25 is the 237th day of the year in the Gregorian Calendar (238th in leap years), with 128 days remaining. ... Sir Frederick William Herschel, FRS KH (November 15, 1738 – August 25, 1822) was a German-born British astronomer and composer who became famous for discovering the planet Uranus. ... 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). ... Spiral nebula is an old term for a spiral galaxy. ... 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. Herschel also noted 3 other smaller H II regions (NGC 588, 592 and 595). 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 that normally are electrically neutral and achieve their status as an ion by loss (or addition) of (an) electron(s). ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... Categories: Astronomy stubs | Nebulae | NGC objects ... A light-year, symbol ly, is the distance light travels in one year: exactly 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 = Ultra high frequency VHF = Very high frequency HF = High... 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, but is often confused with the nearby and brighter NGC 752.


References in fiction

See Galaxies in fiction.

Galaxies other than the Milky Way are popular settings for creators of science fiction, particularly those working with broad-scale space opera settings. ...

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. ^ a b c d e f g NASA/IPAC Extragalactic Database. Results for NGC 598. Retrieved on 2006-10-29.
  2. ^ Bonanos, A. Z.; Stanek, K. Z.; Kudritzki, R. P.; Macri, L.; Sasselov, D. D.; Kaluzny, J.; Bersier, D.; Bresolin, F.; Matheson, T.; Mochejska, B. J.; Przybilla, N.; Szentgyorgyi, A. H.; Tonry, J.; Torres, G. (2006). "The First DIRECT Distance to a Detached Eclipsing Binary in M33". Astrophysics and Space Science Online First.
  3. ^ Brunthaler, Andreas; Reid, Mark J.; Falcke, Heino; Greenhill, Lincoln J.; Henkel, Christian (2005). "The Geometric Distance and Proper Motion of the Triangulum Galaxy (M33)". Science 307 (5714): 1440-1443.


2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... October 29 is the 302nd day of the year (303rd in leap years) in 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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