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NGC 4038 Group
The NGC 4038 Group is a group of galaxies in the constellations Corvus and Crater. The group may contain between 13 and 27 galaxies. The group's best known galaxies are the Antennae Galaxies (NGC 4038/NGC4039), a well-known interacting pair of galaxies. Members The table below lists galaxies that have been consistently identified as group members in the Nearby Galaxies Catalog, the survey of Fouque et al., the Lyons Groups of Galaxies (LGG) Catalog, and the three group lists created from the Nearby Optical Galaxy sample of Giuricin et al. Additionally, the references above frequently but inconsistently identify PGC 37513, PGC 37565, and UGCA 270 The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12,921 galaxy, galaxies visible from the northern hemisphere. It was first published in 1973. The catalogue includes essentially all galaxies north of declination -02°30' and to a ... as members of this group. Based on the above references, the exact membersh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New General Catalogue
The ''New General Catalogue of Nebulae and Clusters of Stars'' (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and emission nebulae. Dreyer published two supplements to the NGC in 1895 and 1908, known as the ''Index Catalogues'' (abbreviated IC), describing a further 5,386 astronomical objects. Thousands of these objects are best known by their NGC or IC numbers, which remain in widespread use. The NGC expanded and consolidated the cataloguing work of William and Caroline Herschel, and John Herschel's ''General Catalogue of Nebulae and Clusters of Stars''. Objects south of the celestial equator are catalogued somewhat less thoroughly, but many were included based on observation by John Herschel or James Dunlop. The NGC contained multiple errors, but attempts to eliminate them were made by the ''Revised New General Catalogue'' (RNGC) by Jack W. Sulent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Second
The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of Units ( SI) is more precise:The second ..is defined by taking the fixed numerical value of the caesium frequency, Δ''ν''Cs, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be when expressed in the unit Hz, which is equal to s−1. This current definition was adopted in 1967 when it became feasible to define the second based on fundamental properties of nature with caesium clocks. Because the speed of Earth's rotation varies and is slowing ever so slightly, a leap second is added at irregular intervals to civil time to keep clocks in sync with Earth's rotation. Uses Analog clocks and watches often ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PGC 37513
PGC may refer to: *Pennsylvania Game Commission *Persian Gulf Cup, Iran's highest association football league *PGC (gene) *PGC 1000714, a ring galaxy *PGC-1α, a protein which is the master regulator of mitochondrial biogenesis *Playwrights Guild of Canada * Postgraduate Certificate, usually written as PgC *Presbyterian Girls' College in Warwick, Australia, now part of Scots PGC College *Primordial germ cell *Prince George's County, Maryland *Principal Galaxies Catalogue *Principle of Generic Consistency, see Alan Gewirth * Professional Graphics Controller * Program chain, which defines the order in which cells, tiles (video, menus, etc.) are played back on a DVD * Psychiatric Genomics Consortium, founded 2007 as the Psychiatric Genome Wide Association Consortium *Punjab Group of Colleges, Pakistan *The University of Pennsylvania Glee Club Founded in 1862, the University of Pennsylvania Glee Club (Penn Glee Club) is one of the oldest continually running glee clubs in the United Sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
UGCA 257
The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12,921 galaxies visible from the northern hemisphere. It was first published in 1973. The catalogue includes essentially all galaxies north of declination -02°30' and to a limiting diameter of 1.0 arcminute or to a limiting apparent magnitude of 14.5. The primary source of data is the blue prints of the Palomar Observatory Sky Survey (POSS). It also includes galaxies smaller than 1.0 arcminute in diameter but brighter than 14.5 magnitude from the Catalogue of Galaxies and of Clusters of Galaxies (CGCG). The catalogue contains descriptions of the galaxies and their surrounding areas, plus conventional system classifications and position angles for flattened galaxies. Galaxy diameters are included and the classifications and descriptions are given in such a way as to provide as accurate an account as possible of the appearance of the galaxies on the prints. The accuracy of coordinates is only what is necessary for ide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
UGCA 254
The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12,921 galaxies visible from the northern hemisphere. It was first published in 1973. The catalogue includes essentially all galaxies north of declination -02°30' and to a limiting diameter of 1.0 arcminute or to a limiting apparent magnitude of 14.5. The primary source of data is the blue prints of the Palomar Observatory Sky Survey (POSS). It also includes galaxies smaller than 1.0 arcminute in diameter but brighter than 14.5 magnitude from the Catalogue of Galaxies and of Clusters of Galaxies (CGCG). The catalogue contains descriptions of the galaxies and their surrounding areas, plus conventional system classifications and position angles for flattened galaxies. Galaxy diameters are included and the classifications and descriptions are given in such a way as to provide as accurate an account as possible of the appearance of the galaxies on the prints. The accuracy of coordinates is only what is necessary for ide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PGC 38087
PGC may refer to: *Pennsylvania Game Commission *Persian Gulf Cup, Iran's highest association football league *PGC (gene) *PGC 1000714, a ring galaxy *PGC-1α, a protein which is the master regulator of mitochondrial biogenesis *Playwrights Guild of Canada * Postgraduate Certificate, usually written as PgC *Presbyterian Girls' College in Warwick, Australia, now part of Scots PGC College *Primordial germ cell *Prince George's County, Maryland *Principal Galaxies Catalogue *Principle of Generic Consistency, see Alan Gewirth * Professional Graphics Controller * Program chain, which defines the order in which cells, tiles (video, menus, etc.) are played back on a DVD * Psychiatric Genomics Consortium, founded 2007 as the Psychiatric Genome Wide Association Consortium *Punjab Group of Colleges, Pakistan *The University of Pennsylvania Glee Club Founded in 1862, the University of Pennsylvania Glee Club (Penn Glee Club) is one of the oldest continually running glee clubs in the United Sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
PGC 37476
PGC may refer to: *Pennsylvania Game Commission *Persian Gulf Cup, Iran's highest association football league *PGC (gene) *PGC 1000714, a ring galaxy *PGC-1α, a protein which is the master regulator of mitochondrial biogenesis *Playwrights Guild of Canada * Postgraduate Certificate, usually written as PgC *Presbyterian Girls' College in Warwick, Australia, now part of Scots PGC College *Primordial germ cell *Prince George's County, Maryland *Principal Galaxies Catalogue *Principle of Generic Consistency, see Alan Gewirth * Professional Graphics Controller * Program chain, which defines the order in which cells, tiles (video, menus, etc.) are played back on a DVD * Psychiatric Genomics Consortium, founded 2007 as the Psychiatric Genome Wide Association Consortium *Punjab Group of Colleges, Pakistan *The University of Pennsylvania Glee Club Founded in 1862, the University of Pennsylvania Glee Club (Penn Glee Club) is one of the oldest continually running glee clubs in the United Sta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NGC 4050
NGC commonly refers to: * New General Catalogue of Nebulae and Clusters of Stars, a catalogue of deep sky objects in astronomy NGC may also refer to: Companies * NGC Corporation, name of US electric company Dynegy, Inc. from 1995 to 1998 * National Gas Company of Trinidad and Tobago, state-owned natural gas company in Trinidad and Tobago * National Grid plc, a former name of National Grid Electricity Transmission plc, the operator of the British electricity transmission system * Northrop Grumman Corporation, aerospace and defense conglomerate formed from the merger of Northrop Corporation and Grumman Corporation in 1994 * Numismatic Guaranty Corporation, coin certification company in the United States Other uses * National Gallery of Canada, art gallery founded in 1880 in Ottawa, Canada * National Geographic, documentary and reality television channel established in the United States in 2001 formerly called National Geographic Channel * Native Girls Code, US non-profit organisat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NGC 4033
NGC 4033 is an elliptical galaxy located in the constellation Corvus. It was discovered on 31 December 1785, by William Herschel Frederick William Herschel (; german: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer and composer. He frequently collaborated with his younger sister and fellow astronomer Caroline H .... References External links * Elliptical galaxies 4033 Corvus (constellation) {{Galaxy-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NGC 4027
NGC 4027 (also known as ''Arp 22'') is a barred spiral galaxy approximately 83 million light-years away in the constellation Corvus. It is also a peculiar galaxy because one of its spiral arms goes out more than the other. This is probably due to a galactic collision in NGC 4027's past. One supernova has been observed in NGC 4027: SN 1996W ( type II, mag. 16). Retrieved 30 March 2023. 
Galaxy group information NGC 4027 is part of the NGC 4038 Group, a |
NGC 4024
NGC commonly refers to: * New General Catalogue of Nebulae and Clusters of Stars, a catalogue of deep sky objects in astronomy NGC may also refer to: Companies * NGC Corporation, name of US electric company Dynegy, Inc. from 1995 to 1998 * National Gas Company of Trinidad and Tobago, state-owned natural gas company in Trinidad and Tobago * National Grid plc, a former name of National Grid Electricity Transmission plc, the operator of the British electricity transmission system * Northrop Grumman Corporation, aerospace and defense conglomerate formed from the merger of Northrop Corporation and Grumman Corporation in 1994 * Numismatic Guaranty Corporation, coin certification company in the United States Other uses * National Gallery of Canada, art gallery founded in 1880 in Ottawa, Canada * National Geographic, documentary and reality television channel established in the United States in 2001 formerly called National Geographic Channel * Native Girls Code, US non-profit organisat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NGC 3981
NGC 3981 is an unbarred spiral galaxy located 62 million light-years away in the constellation of Crater. It was discovered on February 7, 1785 by William Herschel. NGC 3981 is a member of the NGC 4038 Group which is part of the Virgo Supercluster. See also * Galaxy A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. ... References External links *NGC 3981 on SIMBAD {{DEFAULTSORT:NGC 3981 3981 NGC 4038 Group Crater (constellation) Unbarred spiral galaxies 037496 UGCA objects 289 Astronomical objects discovered in 1785 Discoveries by William Herschel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
