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Nova

Index Nova

A nova (plural novae or novas) or classical nova (CN, plural CNe) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star, that slowly fades over several weeks or many months. [1]

82 relations: Absolute magnitude, Accretion (astrophysics), American Association of Variable Star Observers, Andromeda Galaxy, Apparent magnitude, Binary star, Cambridge University Press, Cassiopeia (constellation), Cataclysmic variable star, Cengage, Central Bureau for Astronomical Telegrams, Cepheid variable, Chandrasekhar limit, Chemical element, CNO cycle, Cosmic distance ladder, Crab Nebula, Cygnus (constellation), Degenerate matter, Deneb, Dwarf nova, Fermi Gamma-ray Space Telescope, Galactic Center, Galaxy, Galaxy cluster, Goddard Space Flight Center, Guest star (astronomy), Hydrogen, IM Normae, Interstellar medium, IOP Publishing, Jet Propulsion Laboratory, John Wiley & Sons, Kelvin, Kilonova, Latin, List of novae in the Milky Way galaxy, Luminosity, Luminous red nova, Magnitude (astronomy), Messier 81, Milky Way, Multimodal distribution, NASA, Nature Publishing Group, Nebula, Nova, Nova Centauri 2013, Nova remnant, Nuclear fusion, ..., Phys.org, Red dwarf, Red giant, Roche lobe, RS Ophiuchi, SN 1572, Solar mass, Spectroscopy, Springer Science+Business Media, Sternberg Astronomical Institute, Super soft X-ray source, Supergiant star, Superluminous supernova, Supernova, Supernova impostor, Symbiotic nova, T Coronae Borealis, T Pyxidis, Thermal runaway, Transient astronomical event, Triangulum Galaxy, Tycho Brahe, Type Ia supernova, U Scorpii, V1280 Scorpii, V1500 Cygni, V339 Delphini, V445 Puppis, Variable star, VizieR, White dwarf, X-ray burster. Expand index (32 more) »

Absolute magnitude

Absolute magnitude is a measure of the luminosity of a celestial object, on a logarithmic astronomical magnitude scale.

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Accretion (astrophysics)

In astrophysics, accretion is the accumulation of particles into a massive object by gravitationally attracting more matter, typically gaseous matter, in an accretion disk.

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American Association of Variable Star Observers

Since its founding in 1911, the American Association of Variable Star Observers (AAVSO) has coordinated, collected, evaluated, analyzed, published, and archived variable star observations made largely by amateur astronomers and makes the records available to professional astronomers, researchers, and educators.

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Andromeda Galaxy

The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.

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Apparent magnitude

The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.

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Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Cassiopeia (constellation)

Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.

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Cataclysmic variable star

Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state.

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Cengage

Cengage is an educational content, technology, and services company for the higher education, K-12, professional, and library markets worldwide.

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Central Bureau for Astronomical Telegrams

The Central Bureau for Astronomical Telegrams (CBAT) is the official international clearing house for information relating to transient astronomical events.

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Cepheid variable

A Cepheid variable is a type of star that pulsates radially, varying in both diameter and temperature and producing changes in brightness with a well-defined stable period and amplitude.

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Chandrasekhar limit

The Chandrasekhar limit is the maximum mass of a stable white dwarf star.

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Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

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CNO cycle

The CNO cycle (for carbon–nitrogen–oxygen) is one of the two known sets of fusion reactions by which stars convert hydrogen to helium, the other being the proton–proton chain reaction.

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Cosmic distance ladder

The cosmic distance ladder (also known as the extragalactic distance scale) is the succession of methods by which astronomers determine the distances to celestial objects.

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Crab Nebula

The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant in the constellation of Taurus.

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Cygnus (constellation)

Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.

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Degenerate matter

Degenerate matter is a highly dense state of matter in which particles must occupy high states of kinetic energy in order to satisfy the Pauli exclusion principle.

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Deneb

Deneb, also designated α Cygni (Latinised alpha Cygni, abbreviated Alpha Cyg, α Cyg), is the brightest star in the constellation of Cygnus.

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Dwarf nova

A U Geminorum-type variable star, or dwarf nova (pl. novae) is a type of cataclysmic variable star consisting of a close binary star system in which one of the components is a white dwarf that accretes matter from its companion.

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Fermi Gamma-ray Space Telescope

The Fermi Gamma-ray Space Telescope (FGST), formerly called the Gamma-ray Large Area Space Telescope (GLAST), is a space observatory being used to perform gamma-ray astronomy observations from low Earth orbit.

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Galactic Center

The Galactic Center is the rotational center of the Milky Way.

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Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.

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Galaxy cluster

A galaxy cluster, or cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by gravity with typical masses ranging from 1014–1015 solar masses.

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Goddard Space Flight Center

The Goddard Space Flight Center (GSFC) is a major NASA space research laboratory located approximately northeast of Washington, D.C. in Greenbelt, Maryland, United States.

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Guest star (astronomy)

In Chinese astronomy, a guest star is a star which has suddenly appeared in a place where no star had previously been observed and becomes invisible again after some time.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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IM Normae

IM Normae is a recurrent nova in the constellation Norma, one of only ten known in the Milky Way.

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Interstellar medium

In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.

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IOP Publishing

IOP Publishing (previously named Institute of Physics Publishing) is the publishing company of the Institute of Physics.

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Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

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John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.

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Kelvin

The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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Kilonova

A kilonova (macronova or r-process supernova) is a transient astronomical event that occurs in a compact binary system when two neutron stars or a neutron star and a black hole merge into each other.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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List of novae in the Milky Way galaxy

This is a partial list of novae in the Milky Way galaxy that have been discovered and recorded since 1891.

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Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

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Luminous red nova

A luminous red nova (abbr. LRN, pl. luminous red novae, pl.abbr. LRNe) is a stellar explosion thought to be caused by the merging of two stars.

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Magnitude (astronomy)

In astronomy, magnitude is a logarithmic measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths.

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Messier 81

Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away, in the constellation Ursa Major.

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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Multimodal distribution

In statistics, a bimodal distribution is a continuous probability distribution with two different modes.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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Nature Publishing Group

Nature Publishing Group is a division of the international scientific publishing company Springer Nature that publishes academic journals, magazines, online databases, and services in science and medicine.

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Nebula

A nebula (Latin for "cloud" or "fog"; pl. nebulae, nebulæ, or nebulas) is an interstellar cloud of dust, hydrogen, helium and other ionized gases.

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Nova

A nova (plural novae or novas) or classical nova (CN, plural CNe) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star, that slowly fades over several weeks or many months.

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Nova Centauri 2013

Nova Cen 2013 or V1369 Cen (PNV J13544700-5909080) was a bright nova in the constellation Centaurus.

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Nova remnant

A nova remnant is made up of the material either left behind by a sudden explosive fusion eruption by classical novae, or from multiple ejections by recurrent novae.

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Nuclear fusion

In nuclear physics, nuclear fusion is a reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons or protons).

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Phys.org

Phys.org is a science, research and technology news aggregator where much of the content is republished directly from press releases and news agencies-in a practice known as churnalism.

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Red dwarf

A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.

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Red giant

A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.

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Roche lobe

The Roche lobe (or Roche limit) is the region around a star in a binary system within which orbiting material is gravitationally bound to that star.

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RS Ophiuchi

RS Ophiuchi (RS Oph) is a recurrent nova system approximately 5,000 light-years away in the constellation Ophiuchus.

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SN 1572

SN 1572 (Tycho's Supernova, Tycho's Nova), or B Cassiopeiae (B Cas), was a supernova of Type Ia in the constellation Cassiopeia, one of about eight supernovae visible to the naked eye in historical records.

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Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

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Spectroscopy

Spectroscopy is the study of the interaction between matter and electromagnetic radiation.

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Springer Science+Business Media

Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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Sternberg Astronomical Institute

The Sternberg Astronomical Institute (Государственный астрономический институт имени Штернберга in Russian), also known as GAISh (ГАИШ), is a research institution in Moscow, Russia, a division of Moscow State University.

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Super soft X-ray source

A luminous supersoft X-ray source (SSXS, or SSS) is an astronomical source that emits only low energy (i.e., soft) X-rays.

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Supergiant star

Supergiants are among the most massive and most luminous stars.

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Superluminous supernova

A superluminous supernova (SLSN, plural superluminous supernovae or SLSNe; also known as hypernova) is a type of stellar explosion with a luminosity 10 or more times higher than that of standard supernovae.

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Supernova

A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.

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Supernova impostor

Supernova impostors are stellar explosions that appear at first to be a type of supernova but do not destroy their progenitor stars.

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Symbiotic nova

Symbiotic novae are slow irregular eruptive variable stars with very slow nova-like outbursts with an amplitude of between 9 and 11 magnitudes.

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T Coronae Borealis

T Coronae Borealis (T CrB), is a recurring nova in the constellation Corona Borealis.

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T Pyxidis

T Pyxidis (T Pyx) is a recurrent nova and nova remnant in the constellation Pyxis.

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Thermal runaway

Thermal runaway occurs in situations where an increase in temperature changes the conditions in a way that causes a further increase in temperature, often leading to a destructive result.

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Transient astronomical event

A transient astronomical event, often shortened by astronomers to a transient, is an astronomical object or phenomenon whose duration may be from seconds to days, weeks, or even several years.

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Triangulum Galaxy

The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years (ly) from Earth in the constellation Triangulum.

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Tycho Brahe

Tycho Brahe (born Tyge Ottesen Brahe;. He adopted the Latinized form "Tycho Brahe" (sometimes written Tÿcho) at around age fifteen. The name Tycho comes from Tyche (Τύχη, meaning "luck" in Greek, Roman equivalent: Fortuna), a tutelary deity of fortune and prosperity of ancient Greek city cults. He is now generally referred to as "Tycho," as was common in Scandinavia in his time, rather than by his surname "Brahe" (a spurious appellative form of his name, Tycho de Brahe, only appears much later). 14 December 154624 October 1601) was a Danish nobleman, astronomer, and writer known for his accurate and comprehensive astronomical and planetary observations.

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Type Ia supernova

A type Ia supernova (read "type one-a") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf.

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U Scorpii

U Scorpii (U Sco) is a recurrent nova system; one of 10 known recurring novae in the Milky Way galaxy.

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V1280 Scorpii

V1280 Scorpii (or Nova Scorpii 2007) is a nova observed in February 2007 in the constellation Scorpius, just south of M62.

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V1500 Cygni

V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus.

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V339 Delphini

V339 Delphini or Nova Delphini 2013 (PNV J20233073+2046041) is a bright nova star in the constellation Delphinus.

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V445 Puppis

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Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

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VizieR

The VizieR Catalogue Service is an astronomical catalog service provided by Centre de données astronomiques de Strasbourg.

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White dwarf

A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.

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X-ray burster

X-ray bursters are one class of X-ray binary stars exhibiting periodic and rapid increases in luminosity (typically a factor of 10 or greater) that peak in the X-ray regime of the electromagnetic spectrum.

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CNe, Classical nova, Helium nova, Nova and Supernova, Novas, RNe, Recurrent Nova, Recurrent Novae, Recurrent nova, Recurrent novae, Recurring nova, Stellar surface fusion.

References

[1] https://en.wikipedia.org/wiki/Nova

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