RCW Catalogue
The RCW Catalogue (from Rodgers, Campbell & Whiteoak) is an astronomical catalogue of Hα-emission regions in the southern Milky Way, described in . It contains 182 objects, including many of the earlier Gum catalogue (84 items) objects. The later Caldwell catalogue included some objects from the RCW catalogue. There is also some overlap with the Sharpless catalogue-2 (312 items), although that primarily covered the northern hemisphere, whereas RCW and Gum primarily covered the southern hemisphere. The RCW catalogue was compiled by Alexander William Rodgers, Colin T. Campbell and John Bartlett Whiteoak. They catalogued southern nebulae while working under Bart Bok at the Mount Stromlo Observatory in Australia in the 1960s. Examples List * RCW 1 * RCW 2 * RCW 3 * RCW 4 * RCW 5 * RCW 6 * RCW 7 * RCW 8 * RCW 9 * RCW 10 * RCW 11 * RCW 12 * RCW 13 * RCW 14 * RCW 15 * RCW 16 * RCW 17 * RCW 18 * RCW 19 * RCW 20 * RCW 21 * RCW 22 * RCW 23 * RCW 24 * RCW 25 * RCW 26 * RCW 27 * RCW ...
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Astronomical Catalogue
An astronomical catalog or catalogue is a list or tabulation of astronomical objects, typically grouped together because they share a common type, morphology, origin, means of detection, or method of discovery. The oldest and largest are star catalogues. Hundreds have been published, including general ones and special ones for such items as infrared stars, variable stars, giant stars, multiple star systems, star clusters, and so forth. General catalogs for deep space objects or for objects other than stars are also large. Again, there are specialized ones for nebulas, galaxies, X-ray sources, radio sources, quasars and other classes. The same is true for asteroids, comets and other solar system bodies. Astronomical catalogs such as those for asteroids may be compiled from multiple sources, but most modern catalogs are the result of a particular astronomical survey of some kind. Since the late 20th century catalogs are increasingly often compiled by computers from an automated ...
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The Young Stellar Cluster RCW 38 In X-ray
''The'' () is a grammatical article in English, denoting persons or things that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the most frequently used word in the English language; studies and analyses of texts have found it to account for seven percent of all printed English-language words. It is derived from gendered articles in Old English which combined in Middle English and now has a single form used with nouns of any gender. The word can be used with both singular and plural nouns, and with a noun that starts with any letter. This is different from many other languages, which have different forms of the definite article for different genders or numbers. Pronunciation In most dialects, "the" is pronounced as (with the voiced dental fricative followed by a schwa) when followed by a consonant sound, and as (homophone of the archaic p ...
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RCW 108 Xray
RCW may refer to * Rare Coin Wholesalers * Ramial Chipped Wood * Runtime Callable Wrapper in Microsoft Component Object Model and .NET interoperability * Revolutionary Championship Wrestling, a professional wrestling promotion * RCW Catalogue, an astronomical catalogue * Revised Code of Washington, laws and statutes effective in the jurisdiction of Washington state * Return to Castle Wolfenstein, a video game originally published in 2001 * Red cockaded woodpecker, an endangered woodpecker native to the southeastern United States. * Riot City Wrestling, a professional wrestling promotion * Russian Civil War, a civil war that took place between 1918–20 following the 1917 Russian Revolution * Rwandan Civil War The Rwandan Civil War was a large-scale civil war in Rwanda which was fought between the Rwandan Armed Forces, representing the country's government, and the rebel Rwandan Patriotic Front (RPF) from 1October 1990 to 18 July 1994. The war aro ...

The Sky Around The Star Formation Region RCW 106
''The'' () is a grammatical article in English, denoting persons or things that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the most frequently used word in the English language; studies and analyses of texts have found it to account for seven percent of all printed English-language words. It is derived from gendered articles in Old English which combined in Middle English and now has a single form used with nouns of any gender. The word can be used with both singular and plural nouns, and with a noun that starts with any letter. This is different from many other languages, which have different forms of the definite article for different genders or numbers. Pronunciation In most dialects, "the" is pronounced as (with the voiced dental fricative followed by a schwa) when followed by a consonant sound, and as (homophone of the archaic p ...
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RCW 106
RCW may refer to * Rare Coin Wholesalers * Ramial Chipped Wood * Runtime Callable Wrapper in Microsoft Component Object Model and .NET interoperability * Revolutionary Championship Wrestling, a professional wrestling promotion * RCW Catalogue, an astronomical catalogue * Revised Code of Washington, laws and statutes effective in the jurisdiction of Washington state * Return to Castle Wolfenstein, a video game originally published in 2001 * Red cockaded woodpecker, an endangered woodpecker native to the southeastern United States. * Riot City Wrestling, a professional wrestling promotion * Russian Civil War, a civil war that took place between 1918–20 following the 1917 Russian Revolution * Rwandan Civil War The Rwandan Civil War was a large-scale civil war in Rwanda which was fought between the Rwandan Armed Forces, representing the country's government, and the rebel Rwandan Patriotic Front (RPF) from 1October 1990 to 18 July 1994. The war aro ...

Red Cocoon Harbours Young Stars
Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the complementary color of cyan. Reds range from the brilliant yellow-tinged scarlet and vermillion to bluish-red crimson, and vary in shade from the pale red pink to the dark red burgundy. Red pigment made from ochre was one of the first colors used in prehistoric art. The Ancient Egyptians and Mayans colored their faces red in ceremonies; Roman generals had their bodies colored red to celebrate victories. It was also an important color in China, where it was used to color early pottery and later the gates and walls of palaces. In the Renaissance, the brilliant red costumes for the nobility and wealthy were dyed with kermes and cochineal. The 19th century brought ...
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RCW 88
RCW 88 is an emission nebula in the southern constellation of Circinus that first appeared in the 1960 astronomical catalogue by Rodgers, Campbell & Whiteoak ( RCW) of Hα-emission regions within the southern Milky Way. Earlier observers, like James Wray in 1966, misclassified this as a likely 12.0v magnitude planetary nebula, but later spectroscopic investigations revealed this as a diffuse nebulae. RCW 88 was then to be identified by the infrared satellite IRAS as an HII region. Deep red images reveal that the inner nebula is divided into two parts by a central dark lane, and there is evidence of a larger halo of fainter nebulosity extending perhaps out to 10 arcmin. The RCW catalogue states the Hα image size is 3'×2. RCW 88 is located about 3300 parsecs (10,000 light years) from us, though other estimates place this at a closer 1800±300 pc. or 1800±200 pc. Assuming the former distance and the diameter as 5'-6' across, finds by simple trigonometry the true size subtends ...
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RCW 86
SN 185 was a transient astronomical event observed in the year AD 185, likely a supernova. The transient occurred in the direction of Alpha Centauri, between the constellations Circinus and Centaurus, centered at RA Dec , in Circinus. This "guest star" was observed by Chinese astronomers in the ''Book of Later Han'' (后汉书), and might have been recorded in Roman literature. It remained visible in the night sky for eight months. This is believed to be the first supernova for which records exist. History ''The Book of Later Han'' gives the following description: In the 2nd year of the epoch Zhongping ��平 the 10th month, on the day Guihai ��亥 ecember 7, Year 185 a 'guest star' appeared in the middle of the Southern Gate ��門 α Centauri], The size was half a bamboo mat. It displayed various colors, both pleasing and otherwise. It gradually lessened. In the 6th month of the succeeding year it disappeared. The gaseous shell RCW 86 is probably the supernova remnant o ...
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Stock 16
Stock 16 is a very young Galactic open cluster in the H II region RCW 75 (= Gum 48a). This region lies at the end of an "elephant trunk" shaped molecular cloud and may be a region with triggered star formation. The primary ionizing source for the H II region is the star HD 115455, with spectral type O7.5 III. RCW 75 is also Gum 48a In the 1985 paper ''The young open cluster Stock 16: an example of star formation in an elephant trunk?'' it was proposed the Stock 16 cluster was an example of star formation. The study included UBV photometry Photometry can refer to: * Photometry (optics), the science of measurement of visible light in terms of its perceived brightness to human vision * Photometry (astronomy), the measurement of the flux or intensity of an astronomical object's electrom ... of over thirty stars in the cluster. References Open clusters Centaurus (constellation) Star-forming regions {{star-cluster-stub ...
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Wide Field Imager View Of The Star Formation Region NGC 3582
WIDE or Wide may refer to: *Wide (cricket) *Wide and narrow data, terms used to describe two different presentations for tabular data *WIDE Project, Widely Integrated Distributed Environment *Wide-angle Infinity Display Equipment *WIDE-LP, a radio station (99.1 FM) licensed to Madison, Wisconsin *Women in Development Europe; see * wide (tennis), meaning beyond the sidelines People with the name Wide *Ernst Wide (1888–1950), a Swedish Olympic long-distance runner *Edvin Wide (1896–1996), a Swedish Olympic long-distance runner *Samuel Wide (1861–1918), a Swedish archaeologist See also * * * *Widen *Width (other) Width is a measure of distance from side to side, measuring across an object at right angles to the length. Width may also refer to: Graph theory * Width of a partial order - the cardinality of a maximum antichain. * Width of a tree decomposit ...