Results 181 to 190 of about 7,219,823 (215)

Numerical Hydrodynamics in General Relativity. [PDF]

Living Rev Relativ, 2003
Font JA.
europepmc   +1 more source

Numerical Hydrodynamics and Magnetohydrodynamics in General Relativity. [PDF]

Living Rev Relativ, 2008
Font JA.
europepmc   +1 more source

Gravitational Lensing in Astronomy. [PDF]

Living Rev Relativ, 1998
Wambsganss J.
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Cosmological implications of light element abundances: theory. [PDF]

Proc Natl Acad Sci U S A, 1993
Schramm DN.
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A binary merger product as the direct progenitor of a Type II-P supernova

Niu* Z, Sun* N, Zapartas* E, Souropanis D, Cui Y, Maund JR, Andrews JJ, Briel MM, Fraser M, Gossage S, Kruckow MU, Liotine C, Liu Z, Srivas PM, Teng E, Wang X, Yang Y, Liu J.   +17 more
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Causes and effects of the first quasars. [PDF]

Proc Natl Acad Sci U S A, 1993
Rees MJ.
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Type Ib Supernovae

2017
In this chapter presents supernovae of Type Ib (SN Ib), the distinguishing characteristic of which is presence of helium spectral lines in optical spectra. Hydrogen lines are absent or inconspicuous, indicating that most or all of the hydrogen envelope was lost prior to explosion.
David Branch, J. Craig Wheeler
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The X-ray Emission of Type Ib∕c Supernovae

AIP Conference Proceedings, 2007
Before the launch of Chandra and XMM‐Newton, only two type Ib/c supernovae had been observed in X‐rays (1994I and 1998bw). I will review briefly the advances of the past seven years in the early (days to weeks) X‐ray detection of type Ib/c supernovae, a recent effort to characterize the X‐ray emission of years‐old Ib/c supernovae (e.g., 2001em, 2003bg,
D. Pooley, Stefan Immler, Kurt Weiler
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Supernova 1993J as a spectroscopic link between type II and type Ib supernovae

Nature, 1993
Supernova 1993J in the nearby galaxy M81 is one of the closest - and hence brightest - supernovae to be witnessed this century. The early spectrum of SN1993J showed the characteristic hydrogen signature of type II supernovae, but its subsequent evolution is atypical for this class of supernova. Here we present optical and infrared spectra of SN1993J up
D. A. Swartz, A. Clocchiattit, R. Benjamin, D. F. Lester, J. C. Wheeler   +4 more
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On the Nature of Type Ib Supernova Progenitors

1991
The realization that there is a separate subclass of Type I supernovae (SNe) to be denoted as Type Ib came after the detailed study of the SN 1983N in M83 (PANAGIA et al [1]; see also PANAGIA [2], WHEELER and LEVREAULT [3], UOMOTO and KIRSHNER [4]). It was immediately clear that SN 1983N is distinctly different from the classical variety of Type I SNe (
Nino Panagia, Victoria G. Laidler
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