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Unidentified Anomalous Phenomena (UAP) have historically been stigmatized and regarded as pseudoscience due to a general lack of robust evidence. Recently, however, the subject has gained interest among astronomers and the military. This…

天体物理仪器与方法 · 物理学 2024-11-06 Beatriz Villarroel , Kevin Krisciunas

The Milky Way hosts on average a few supernova explosions per century, yet in the past millennium only five supernovae have been identified confidently in the historical record. This deficit of naked-eye supernovae is at least partly due to…

太阳与恒星天体物理 · 物理学 2021-09-08 C. Tanner Murphey , Jacob W. Hogan , Brian D. Fields , Gautham Narayan

Supernovae release an enormous amount of energy into the interstellar medium. Their remnants can observationally be traced up to several ten-thousand years. So far more than 230 Galactic supernova remnants (SNRs) have been identified in the…

天体物理学 · 物理学 2007-05-23 W. Reich

We present the result of trawling through the WISE archive for data on classical and recurrent novae. The data show a variety of spectral energy distributions, including stellar photospheres, dust and probable line emission. During the…

太阳与恒星天体物理 · 物理学 2013-02-19 A. Evans , R. D. Gehrz , C. E. Woodward , L. A. Helton

Classical nova explosions and type I X-ray bursts are the most frequent types of thermonuclear stellar explosions in the Galaxy. Both phenomena arise from thermonuclear ignition in the envelopes of accreting compact objects in close binary…

太阳与恒星天体物理 · 物理学 2014-01-22 A. Parikh , J. Jose , G. Sala

The ultimate fate of the universe, infinite expansion or a big crunch, can be determined by measuring the redshifts, apparent brightnesses, and intrinsic luminosities of very distant supernovae. Recent developments have provided tools that…

This paper summarizes our theoretical understanding of supernova events in a "back of the envelope" way. It is intended to aid in the recognition and understanding of those events which are not "standard", and which may provide the most…

天体物理学 · 物理学 2009-11-13 D. Arnett

Views on mechanics and cosmology by the observers of the supernova of 1572

天体物理学 · 物理学 2007-05-23 P. Ruiz-Lapuente

The new gamma-ray burst mission Swift has obtained pointed observations of several classical novae in outburst. We analyzed all the observations of classical novae from the Swift archive up to 30 June, 2006. We analyzed usable observations…

Over the past decade, supernovae have emerged as some of the most powerful tools for measuring extragalactic distances. A well developed physical understanding of type II supernovae allow them to be used to measure distances independent of…

天体物理学 · 物理学 2009-10-16 Saul Perlmutter , Brian P. Schmidt

Several of the inconsistencies plaguing the field of novae are resolved once we consider novae to be steady state super-Eddington objects. In particular, we show that the super-Eddington shell burning state is a natural consequence of the…

天体物理学 · 物理学 2009-11-07 Nir J. Shaviv

The spectrum of a supernova is a summation of numerous overlapping atomic line signatures. Consequently, empirical measurements are limited in application when compound features are assumed to be due to one or two spectral lines. Here I…

高能天体物理现象 · 物理学 2014-12-24 J. T. Parrent

The Kamilaroi people and their neighbours, the Euahlayi, Ngemba, and Murrawarri, are an Aboriginal cultural grouping located in the northwest and north central of New South Wales. They have a rich history, but have been missed in much of…

物理学史与哲学 · 物理学 2013-11-04 Robert S. Fuller , Ray P. Norris , Michelle Trudgett

Supernova 1987A became a milestone in physics and astronomy. The most important things that have been learned from it, the most important problems yet to be solved and the prospects for learning important new physics from future…

高能物理 - 唯象学 · 物理学 2007-05-23 Arnon Dar

We briefly reviewed some recent progress on the studies of supernova remnants (SNRs), including the radio SNRs (the structure, polarization, spectrum etc.), observational characteristics of X-ray emission, pulsar wind nebulae (PWNe),…

高能天体物理现象 · 物理学 2009-09-03 Jian-Wen Xu

Thermonuclear (Type Ia) supernovae are bright stellar explosions, the light curves of which can be calibrated to allow for use as "standard candles" for measuring cosmological distances. Contemporary research investigates how the brightness…

太阳与恒星天体物理 · 物理学 2017-06-28 Alan C. Calder , Brendan K. Krueger , Aaron P. Jackson , Don E. Willcox , Broxton J. Miles , Dean M. Townsley

From an anthropological point of view, the whole concept of a "path of progress" in astronomical discovery is anathema, since it implicitly downgrades other cultural perspectives, such as the many "indigenous cosmologies" that still exist…

物理学史与哲学 · 物理学 2010-10-26 Clive Ruggles

Pulsar wind nebulae are now well established as important probes both of neutron stars' relativistic winds and of the surrounding interstellar medium. Amongst this diverse group of objects, pulsar bow shocks have long been regarded as an…

天体物理学 · 物理学 2009-11-10 Bryan M. Gaensler

Core-collapse Supernovae (CCSNe) mark the deaths of stars more massive than about eight times the mass of the sun and are intrinsically the most common kind of catastrophic cosmic explosions. They can teach us about many important physical…

高能天体物理现象 · 物理学 2019-08-08 Maryam Modjaz , Claudia P. Gutierrez , Iair Arcavi

A new method to study the effects of neutrino masses on a supernova neutrino signal is proposed. The method relies exclusively on the analysis of the full statistics of neutrino events, it is independent of astrophysical assumptions, and…

天体物理学 · 物理学 2016-11-09 Enrico Nardi