Academic literature on the topic 'Supernovae: individual (SN 1987A)'

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Journal articles on the topic "Supernovae: individual (SN 1987A)"

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Liljegren, S., A. Jerkstrand, and J. Grumer. "Carbon monoxide formation and cooling in supernovae." Astronomy & Astrophysics 642 (October 2020): A135. http://dx.doi.org/10.1051/0004-6361/202038116.

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Context. The inclusion of molecular physics is an important piece that tends to be missing from the puzzle when modeling the spectra of supernovae (SNe). Molecules have both a direct impact on the spectra, particularly in the infrared, and an indirect one as a result of their influence on certain physical conditions, such as temperature. Aims. In this paper, we aim to investigate molecular formation and non-local thermodynamic equilibrium (NLTE) cooling, with a particular focus on CO, the most commonly detected molecule in supernovae. We also aim to determine the dependency of supernova chemis
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Cappellaro, Enrico. "The Rate of Supernovae in Normal Galaxies." Symposium - International Astronomical Union 171 (1996): 81–84. http://dx.doi.org/10.1017/s0074180900232191.

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The rate of supernovae (SNe) is a key number linking stellar evolution with galaxy evolution models. Stellar evolution theories predict life times, fates and nucleosysntesis yields of individual stars which are used to predicted the galaxy chemical evolution once the star formation history in the galaxy is known. Constraints to the models are the present chemical content of galaxies but also the present observed SN rate (Arimoto & Yoshi, 1987; Ferrini & Poggianti, 1993; Matteucci, 1994; Renzini et al., 1993; Bressan et al., 1994; Elbaz et al., 1995).
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Alexeyeva, L. N. "Neutrinos: Detection and Interpretation." Highlights of Astronomy 8 (1989): 229–37. http://dx.doi.org/10.1017/s1539299600007838.

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AbstractObservations of the neutrino burst from Supernova 1987A by water Cherenkov detectors (KAMIOKANDE II, IMB) and liquid scintillator detectors (Baksan, Mont Blanc) are reviewed. It is shown that neutrino signal from SN 1987A was observed. There are 24 events in three detectors (KAMIOKANDE II, IMB, Baksan) recorded at 7:35 UT. The average properties of the signal (effective neutrino temperature, total energy of neutrino emission, burst duration) are consistent with the general theoretical description of supernova explosions. Special attention is concentrated on individual characteristics o
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Dopita, Michael A. "SN 1987A: an Overview." Publications of the Astronomical Society of Australia 7, no. 4 (1988): 344–51. http://dx.doi.org/10.1017/s1323358000022451.

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Chevalier, R. A. "Type II Supernovae SN 1987A and SN 1993J." Science 276, no. 5317 (1997): 1374–78. http://dx.doi.org/10.1126/science.276.5317.1374.

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Fu, Albert. "Simple Perspectives on SN 1987A." Publications of the Astronomical Society of Australia 7, no. 4 (1988): 505–12. http://dx.doi.org/10.1017/s1323358000022700.

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AbstractThis conference has shown that the accumulated wealth of data on SN 1987A has enabled us to learn an unprecedented amount of physical information about a single supernova event and supernovae in general, as well as to confirm much of the heretofore established theory. While some difficult problems remain, I discuss some particularly simple and useful theoretical notions concerning the bolometric and γ-ray light curves which can be gleaned from our current body of knowledge, drawing primarily upon results of analytic work performed by W.D. Arnett and myself. Also, the work of Lamb, Meli
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Lundqvist, P., and C. Fransson. "The Circumstellar Structure Around Supernovae." International Astronomical Union Colloquium 101 (1988): 15–18. http://dx.doi.org/10.1017/s0252921100102039.

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AbstractThe time dependent ionization and temperature structure of the circumstellar medium around supernovae has been calculated, in order to interpret recent supernova radio observations. For a stellar wind origin of the circumstellar medium, we relate the time of radio turn-on to the progenitor mass loss rate. We also show that large column densities for the UV resonance lines are expected. The results are applied to SN 1979c, SN 1980k and SN 1987A.
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Filippenko, Alexei V. "Taxonomy of Supernovae." Publications of the Astronomical Society of Australia 7, no. 4 (1988): 540–47. http://dx.doi.org/10.1017/s132335800002275x.

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AbstractI review the observed properties of supernovae (SNe), concentrating on recent results obtained from high-quality optical spectra. Although most SNe Ia have similar characteristics at comparable phases, there are some notable variations, particularly in the velocities of the ejecta. Moreover, there is very preliminary evidence for significant differences between the spectra of SNe Ia in H II regions and in elliptical galaxies. SNe II exhibit a wide range of spectral properties, as expected if they are produced by massive stars. At late times strong lines of [O I] and [Ca II] appear in m
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van den Bergh, Sidney, and R. D. McClure. "The intrinsic frequency of faint supernovae resembling SN 1987A." Astrophysical Journal 347 (December 1989): L29. http://dx.doi.org/10.1086/185599.

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Wood, K. S., and P. F. Michelson. "Delayed gravity wave emission from supernovae: application to SN 1987A." Monthly Notices of the Royal Astronomical Society 232, no. 2 (1988): 225–37. http://dx.doi.org/10.1093/mnras/232.2.225.

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Dissertations / Theses on the topic "Supernovae: individual (SN 1987A)"

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Larsson, J., C. Fransson, J. Spyromilio, et al. "THREE-DIMENSIONAL DISTRIBUTION OF EJECTA IN SUPERNOVA 1987A AT 10,000 DAYS." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/622678.

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Due to its proximity, SN. 1987A offers a unique opportunity to directly observe the geometry of a stellar explosion as it unfolds. Here we present spectral and imaging observations of SN. 1987A obtained similar to 10,000 days after the explosion with HST/STIS and VLT/SINFONI at optical and near-infrared wavelengths. These observations allow us to produce the most detailed 3D map of Ha to date, the first 3D maps for [Ca II] lambda lambda 7292, 7324, [O I] lambda lambda 6300, 6364, and Mg. II lambda lambda 9218, 9244, as well as new maps for [Si I]+[Fe II] 1.644 mu m and He I 2.058 mu m. A compa
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Kelly, P. L., G. Brammer, J. Selsing, et al. "SN REFSDAL: CLASSIFICATION AS A LUMINOUS AND BLUE SN 1987A-LIKE TYPE II SUPERNOVA." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/624069.

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We have acquired Hubble Space Telescope (HST) and Very Large Telescope near-infrared spectra and images of supernova (SN) Refsdal after its discovery as an Einstein cross in fall 2014. The HST light curve of SN Refsdal has a shape consistent with the distinctive, slowly rising light curves of SN. 1987A-like SNe, and we find strong evidence for a broad H alpha P-Cygni profile and Na I D absorption in the HST grism spectrum at the redshift (z = 1.49) of the spiral host galaxy. SNe. IIn, largely powered by circumstellar interaction, could provide a good match to the light curve of SN Refsdal, but
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Sawada, Ryo. "Nucleosynthesis Constraints on the Energy Growth Timescale of a Core-collapse Supernova Explosion." Kyoto University, 2020. http://hdl.handle.net/2433/253085.

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Porter, Amber L., Mark D. Leising, G. Grant Williams, et al. "ASYMMETRIES IN SN 2014J NEAR MAXIMUM LIGHT REVEALED THROUGH SPECTROPOLARIMETRY." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/622057.

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We present spectropolarimetric observations of the nearby Type Ia supernova SN 2014J in M82 over six epochs: +0, +7, +23, +51, +77, +109, and +111 days with respect to B-band maximum. The strong continuum polarization, which is constant with time, shows a wavelength dependence unlike that produced by linear dichroism in Milky Way dust. The observed polarization may be due entirely to interstellar dust or include a circumstellar scattering component. We find that the polarization angle aligns with the magnetic field of the host galaxy, arguing for an interstellar origin. Additionally, we confir
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Tinyanont, Samaporn, Mansi M. Kasliwal, Ori D. Fox, et al. "A SYSTEMATIC STUDY OF MID-INFRARED EMISSION FROM CORE-COLLAPSE SUPERNOVAE WITH SPIRITS." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/622682.

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We present a systematic study of mid-infrared emission from 141 nearby supernovae (SNe). observed with Spitzer/IRAC as part of the ongoing SPIRITS survey. We detect 8 Type Ia and 36 core-collapse SNe. All Type. Ia/Ibc SNe. become undetectable within three. years of explosion, whereas 22 +/- 11% of Type. II SNe. continue to be detected. Five Type. II SNe are detected even two decades after discovery (SN 1974E, 1979C, 1980K, 1986J, and 1993J). Warm dust luminosity, temperature, and a lower limit on mass are obtained by fitting the two IRAC bands, assuming an optically thin dust shell. We derive
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Gröningsson, Per. "The rebirth of Supernova 1987A : a study of the ejecta-ring collision." Doctoral thesis, Stockholms universitet, Institutionen för astronomi, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-8290.

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Supernovae are some of the most energetic phenomena in the Universe and they have throughout history fascinated people as they appeared as new stars in the sky. Supernova (SN) 1987A exploded in the nearby satellite galaxy, the Large Magellanic Cloud (LMC), at a distance of only 168,000 light years. The proximity of SN 1987A offers a unique opportunity to study the medium surrounding the supernova in great detail. Powered by the dynamical interaction of the ejecta with the inner circumstellar ring, SN 1987A is dramatically evolving at all wavelengths on time scales less than a year. This makes
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Margutti, Raffaella, A. Kamble, D. Milisavljevic, et al. "Ejection of the Massive Hydrogen-rich Envelope Timed with the Collapse of the Stripped SN 2014C." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/624387.

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We present multi-wavelength observations of SN 2014C during the first 500 days. These observations represent the first solid detection of a young extragalactic stripped-envelope SN out to high-energy X-rays similar to 40 keV. SN 2014C shows ordinary explosion parameters (E-k similar to 1.8 x 10(51) erg and M-ej similar to 1.7M circle dot). However, over an similar to 1 year timescale, SN 2014C evolved from an ordinary hydrogen-poor supernova into a strongly interacting, hydrogen-rich supernova, violating the traditional classification scheme of type-I versus type-II SNe. Signatures of the SN s
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Pastorello, A., C. S. Kochanek, M. Fraser, et al. "Supernovae 2016bdu and 2005gl, and their link with SN 2009ip-like transients: another piece of the puzzle." OXFORD UNIV PRESS, 2018. http://hdl.handle.net/10150/627142.

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Supernova (SN) 2016bdu is an unusual transient resembling SN 2009ip. SN 2009ip-like events are characterized by a long-lasting phase of erratic variability that ends with two luminous outbursts a few weeks apart. The second outburst is significantly more luminous (about 3 mag) than the first. In the case of SN 2016bdu, the first outburst (Event A) reached an absolute magnitude M-r approximate to -15.3 mag, while the second one (Event B) occurred over one month later and reached M-r approximate to -18 mag. By inspecting archival data, a faint source at the position of SN 2016bdu is several time
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Smith, Nathan, Charles D. Kilpatrick, Jon C. Mauerhan та ін. "Endurance of SN 2005ip after a decade: X-rays, radio and Hα like SN 1988Z require long-lived pre-supernova mass-loss". OXFORD UNIV PRESS, 2017. http://hdl.handle.net/10150/623937.

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Supernova (SN) 2005ip was a Type IIn event notable for its sustained strong interaction with circumstellar material (CSM), coronal emission lines and infrared (IR) excess, interpreted as shock interaction with the very dense and clumpy wind of an extreme red supergiant. We present a series of late- time spectra of SN 2005ip and a first radio detection of this SN, plus late-time X-rays, all of which indicate that its CSM interaction is still strong a decade post- explosion. We also present and discuss new spectra of geriatric SNe with continued CSM interaction: SN 1988Z, SN 1993J and SN 1998S.
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Smith, Nathan, Jennifer E. Andrews, and Jon C. Mauerhan. "Massive stars dying alone: the extremely remote environment of SN 2009ip." OXFORD UNIV PRESS, 2016. http://hdl.handle.net/10150/622955.

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We present late-time Hubble Space Telescope (HST) images of the site of supernova (SN) 2009ip taken almost 3 yr after its bright 2012 luminosity peak. SN 2009ip is now slightly fainter in broad filters than the progenitor candidate detected by HST in 1999. The current source continues to be dominated by ongoing late-time circumstellar material interaction that produces strong Ha emission and a weak pseudo-continuum, as found previously for 1-2 yr after explosion. The intent of these observations was to search for evidence of recent star formation in the local (similar to 1 kpc; 10 arcsec) envi
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Books on the topic "Supernovae: individual (SN 1987A)"

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George, Sonneborn, and United States. National Aeronautics and Space Administration., eds. The evolution of ultraviolet emission lines from circumstellar material surroundings SN 1987A. Stockholm Observatory, 1997.

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Book chapters on the topic "Supernovae: individual (SN 1987A)"

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Whitelock, Patricia, Robin Catchpole, and Michael Feast. "SN 1987A Light Curves." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_2.

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Benz, Willy, and F. C. Thielemann. "Mixing in SN 1987A." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_34.

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Arnett, David, Bruce Fryxell, and Ewald Muller. "Instabilities and Mixing in SN 1987A." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_32.

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Xu, Yueming, and Richard McCray. "Late Time Spectrum of SN 1987A." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_65.

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Podsiadlowski, Philipp. "The Progenitor of SN 1987A." In Handbook of Supernovae. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-21846-5_123.

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Podsiadlowski, Philipp. "The Progenitor of SN 1987A." In Handbook of Supernovae. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-20794-0_123-1.

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Suntzeff, Nicholas B., and Patrice Bouchet. "The Bolometric Light Curve of SN 1987A." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_1.

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Chevalier, Roger A. "Circumstellar and Interstellar Interaction Around SN 1987A." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_19.

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Leising, Mark D., and Gerald H. Share. "SMM γ-Ray Observations of SN 1987A." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_36.

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Miekle, W. Peter S., David A. Allen, Jason Spyromilio, and Gian Varani. "Spectroscopy of SN 1987A at 1–4 Microns." In Supernovae. Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-2988-9_10.

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Conference papers on the topic "Supernovae: individual (SN 1987A)"

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Podsiadlowski, Ph, T. S. Morris, N. Ivanova, Stefan Immler, and Kurt Weiler. "The progenitor of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.3682893.

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Pun, C. S. J., Stefan Immler, and Kurt Weiler. "Circumstellar Materials of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.3682898.

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Pun, C. S. J., Stefan Immler, and Kurt Weiler. "Circumstellar Materials of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.2803558.

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Podsiadlowski, Ph, T. S. Morris, N. Ivanova, Stefan Immler, and Kurt Weiler. "The progenitor of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.2803552.

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Aschenbach, Bernd, Stefan Immler, and Kurt Weiler. "X-ray Evolution of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.3682880.

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Kjær, K., B. Leibundgut, C. Fransson, J. Spyromilio, Stefan Immler, and Kurt Weiler. "Integral Field Spectroscopy of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.3682885.

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Aschenbach, Bernd, Stefan Immler, and Kurt Weiler. "X-ray Evolution of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.2803588.

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Kjær, K., B. Leibundgut, C. Fransson, J. Spyromilio, Stefan Immler, and Kurt Weiler. "Integral Field Spectroscopy of SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.2803625.

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Dwarkadas, Vikram V., Stefan Immler, and Kurt Weiler. "SN Shock Evolution in the Circumstellar Medium surrounding SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.3682892.

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Dwarkadas, Vikram V., Stefan Immler, and Kurt Weiler. "SN Shock Evolution in the Circumstellar Medium surrounding SN 1987A." In SUPERNOVA 1987A: 20 YEARS AFTER: Supernovae and Gamma-Ray Bursters. AIP, 2007. http://dx.doi.org/10.1063/1.2803551.

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