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circumstellar dust wikipedia jump to content main menu main menu move to sidebar hide navigation main page contents current events random article about wikipedia contact us contribute help learn to edit community portal recent changes upload file special pages search search appearance donate create account log in personal tools donate create account log in contents move to sidebar hide top 1 see also 2 sources 3 references toggle the table of contents circumstellar dust 8 languages català español hrvatski 日本語 македонски slovenčina українська 中文 edit links article talk english read edit view history tools tools move to sidebar hide actions read edit view history general what links here related changes upload file permanent link page information cite this page get shortened url switch to legacy parser print export download as pdf printable version in other projects wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia dust around a star circumstellar dust is cosmic dust around a star it can be in the form of a spherical shell or a disc e g an accretion disk circumstellar dust can be responsible for significant extinction and is usually the source of an infrared excess for stars that have it for some evolved stars on the asymptotic giant branch the dust can be composed of silicate emissions 1 according to a study it is still uncertain whether the dust is a result of crystalline silicate or polycyclic aromatic hydrocarbon 2 however recent observations revealed that vega type stars display broad silicate emission 2 it is suggested that the circumstellar dust components can depend on the evolutionary stage of a star and is related to the changes in its physical conditions 3 the study of the composition of this dust is dubbed astrominerology the circumstellar dust around aging stars has been observed to include almost pure crystalline mg rich silicates forsterite and clinoenstatite amorphous silicates diopside spinel oxides corundum and fe0 9mg0 1o and also carbon rich solids such as hydrogenated amorphous carbons aromatic hydrocarbons and silicon carbide 4 the motion of circumstellar dust is governed by forces due to stellar gravity and radiation pressure circumstellar dust in the solar system causes the zodiacal light see also edit accretion disc circumplanetary disk circumstellar envelope tabby s star oddly dimming star list of stars that have unusual dimming periods wd 1145 017 star destroying planetesimal producing a dusty disk sources edit j mayo greenberg h c van de hulst 17 april 2013 interstellar dust and related topics springer science business media 2013 isbn 978 9401026642 hans peter gail erwin sedlmayr 2014 physics and chemistry of circumstellar dust shells cambridge university press 2013 isbn 978 0521833790 k s krishna swamy 2005 chapter 6 circumstellar dust dust in the universe similarities and differences world scientific 2005 isbn 9812562931 marshall dimsey perrin a high angular resolution survey of circumstellar dust around herbig ae be stars university of california berkeley 2006 isbn 1109923074 wilfred henry sorrell a theoretical study of circumstellar dust around ae be stars university of wisconsin madison 1989 references edit nakada y honma m seki m 2003 mass losing pulsating stars and their circumstellar matter observations and theory dordrecht kluwer academic publishers p 258 isbn 1402011628 1 2 käufl hans u siebenmorgen ralf 2013 the role of dust in the formation of stars proceedings of the eso workshop held at garching germany 11 14 september 1995 berlin springer science business media p 170 isbn 9783662225158 hony sacha 2003 infrared light on the composition of the dust surrounding carbon rich stars amsterdam amsterdam university press p 7 isbn 9053566686 jones anthony p 2019 the mineralogy of cosmic dust astromineralogy european journal of mineralogy 19 6 771 782 doi 10 1127 0935 1221 2007 0019 1766 v t e stars list formation accretion molecular cloud bok globule young stellar object protostar pre main sequence herbig ae be t tauri herbig haro object hayashi track henyey track evolution main sequence red giant branch horizontal branch red clump asymptotic giant branch post agb super agb blue loop planetary nebula protoplanetary wolf rayet nebula pg1159 dredge up oh ir instability strip luminous blue variable stellar population supernova superluminous hypernova classification early late main sequence o b a f g k m subdwarf o b wr ob subgiant hertzsprung gap giant blue red yellow bright giant supergiant blue red yellow hypergiant yellow carbon s cn ch white dwarf chemically peculiar am ap bp cemp hgmn he weak barium lambda boötis lead technetium be shell b e helium extreme blue straggler remnants compact star white dwarf helium planet neutron radio quiet pulsar binary x ray magnetar black hole stellar black hole supermassive black hole x ray binary burster sgr hypothetical blue dwarf black dwarf exotic boson electroweak strange preon planck dark dark energy quark q black quasi star gravastar thorne żytkow object iron blitzar white hole nucleosynthesis deuterium burning lithium burning proton proton chain cno cycle helium flash triple alpha process alpha process c burning ne burning o burning si burning s process r process p process nova symbiotic remnant luminous red nova recurrent micronova supernova structure core convection zone microturbulence oscillations radiation zone atmosphere photosphere starspot chromosphere stellar corona alfvén surface stellar wind bubble bipolar outflow accretion disk protoplanetary disk proplyd asteroseismology helioseismology circumstellar dust cosmic dust circumstellar envelope eddington luminosity kelvin helmholtz mechanism properties designation dynamics effective temperature luminosity kinematics magnetic field absolute magnitude mass loss metallicity rotation gravity darkening starlight variable photometric system color index hertzsprung russell diagram color color diagram strömgren sphere kraft break star systems binary contact common envelope eclipsing symbiotic multiple cluster open globular super planetary system earth centric observations sun solar eclipse solar radio emission solar system sunlight pole star circumpolar constellation asterism magnitude apparent extinction photographic radial velocity proper motion parallax photometric standard lists proper names arabic chinese extremes most massive highest temperature lowest temperature largest volume smallest volume brightest historical brightest most luminous nearest bright most distant with resolved images with multiple exoplanets brown dwarfs red dwarfs white dwarfs milky way novae supernovae candidates remnants planetary nebulae timeline of stellar astronomy related substellar object brown dwarf desert sub planet galactic year galaxy guest gravity intergalactic neutron star merger planet hosting stars stellar collision stellar engulfment tidal disruption event category stars portal commons retrieved from https en wikipedia org w index php title circumstellar_dust oldid 1373529744 categories stellar astronomy circumstellar disks cosmic dust hidden categories articles with short description short description is different from wikidata this page was last edited on 6 september 2026 at 13 56 utc page was rendered with parsoid text is available under the creative commons attribution sharealike 4 0 license additional terms may apply by using this site you agree to the terms of use and privacy policy wikipedia is a registered trademark of the wikimedia foundation inc a non profit organization privacy policy about wikipedia disclaimers contact wikipedia legal safety contacts code of conduct developers statistics cookie statement mobile view search search toggle the table of contents circumstellar dust 8 languages add topic