English
Related papers

Related papers: AAO Observer Number 121 (February 2012)

200 papers

We present an update of our low-resolution spectroscopic follow-up and model atmosphere analysis of hot subdwarf stars from the Galaxy Evolution Explorer (GALEX) survey. Targets were selected on the basis of colour indices calculated from…

Solar and Stellar Astrophysics · Physics 2012-12-06 Péter Németh , Adéla Kawka , Stéphane Vennes

Ten years after the publication of the previous release, we present a new edition of the Asiago Supernova Catalogue updated to December 31, 1998 and containing data for 1447 supernovae and their parent galaxies\footnote{Tables 1 and 2 are…

Astrophysics · Physics 2009-10-31 R. Barbon , V. Buondi' , E. Cappellaro , M. Turatto

Persistent gravitational waves from rapidly rotating neutron stars, such as those found in some young supernova remnants, may fall in the sensitivity band of the advanced Laser Interferometer Gravitational-wave Observatory (aLIGO). Searches…

General Relativity and Quantum Cosmology · Physics 2020-10-26 Margaret Millhouse , Lucy Strang , Andrew Melatos

We present distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color light-curves measured using the…

This paper describes the on-telescope performance of the Wide Field Spectrograph (WiFeS). The design characteristics of this instrument, at the Research School of Astronomy and Astrophysics (RSAA) of the Australian National University (ANU)…

Instrumentation and Methods for Astrophysics · Physics 2010-02-25 Michael Dopita , Jonghwan Rhee , Catherine Farage , Peter McGregor , Gabe Bloxham , Anthony Green , Bill Roberts , Jon Nielson , Greg Wilson , Peter Young

The Nearby Supernova Factory has made spectrophotometric observations of Type Ia supernovae since $2004$. This work presents an interim version of the data produced, including $210$ supernovae observed between $2004$ and $2013$.

High resolution maps of maser emission provide very detailed information on processes occurring in circumstellar envelopes of late-type stars. A particularly detailed picture of the innermost shells around AGB stars is provided by SiO…

Solar and Stellar Astrophysics · Physics 2009-06-02 Francisco Colomer

Supernova remnants serve as nearby laboratories relevant to many areas in Astrophysics, from stellar and galaxy evolution to extreme astrophysics and the formation of the heavy elements in the Universe. The Chandra X-ray mission has enabled…

High Energy Astrophysical Phenomena · Physics 2019-04-16 Samar Safi-Harb , Elena Amato , Eric V. Gotthelf , Satoru Katsuda , Manami Sasaki , Yasunobu Uchiyama , Naomi Tsuji , Benson Guest

Joint observations of gravitational waves and electromagnetic counterparts will answer questions about cosmology, gamma-ray bursts, and the behaviour of matter at supranuclear densities. The addition of a Southern-Hemisphere…

General Relativity and Quantum Cosmology · Physics 2024-01-12 James W. Gardner , Ling Sun , Ssohrab Borhanian , Paul D. Lasky , Eric Thrane , David E. McClelland , Bram J. J. Slagmolen

This Special Issue of the Astrophysical Journal Letters is dedicated to presenting initial results from the Great Observatories Origins Deep Survey (GOODS) that are primarily, but not exclusively, based on multi--band imaging data obtained…

Astrophysics · Physics 2009-11-10 M. Giavalisco , the GOODS Team

Atmospheric neutrino oscillations with DeepCore; Supernova detection with IceCube and beyond; Study of South Pole ice transparency with IceCube flashers; Submitted papers to the 32nd International Cosmic Ray Conference, Beijing 2011.

Instrumentation and Methods for Astrophysics · Physics 2012-08-27 The IceCube Collaboration

Supernova remnants (SNRs) are likely sources of hadronic particle acceleration within our galaxy, contributing to the galactic cosmic ray flux. Next-generation instruments, such as the Southern Wide-field Gamma-ray Observatory (SWGO), will…

High Energy Astrophysical Phenomena · Physics 2025-06-24 Nick Scharrer , Samuel T. Spencer , Vikas Joshi , Alison M. W. Mitchell

Long-baseline interferometry at optical and near-infrared wavelengths is an emerging technology which is quickly becoming a useful tool to investigate stellar atmospheres and to compare observations with models. Stellar atmosphere models…

Astrophysics · Physics 2007-05-23 Markus Wittkowski

The world astronomical image archives represent huge opportunities to time-domain astronomy sciences and other hot topics such as space defense, and astronomical observatories should improve this wealth and make it more accessible in the…

Instrumentation and Methods for Astrophysics · Physics 2019-12-18 Ovidiu Vaduvescu , Lucian Curelaru , Marcel Popescu

This paper reviews the field of gamma-ray astronomy and describes future experiments and prospects for advances in fundamental physics and high-energy astrophysics through gamma-ray measurements. We concentrate on recent progress in the…

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…

Astrophysics · Physics 2007-05-23 W. Reich

The first observations by a worldwide network of advanced interferometric gravitational wave detectors offer a unique opportunity for the astronomical community. At design sensitivity, these facilities will be able to detect coalescing…

Motivated by the wealth of past, existing, and upcoming X-ray and gamma-ray missions, we have developed the first public database of high-energy observations of all known Galactic Supernova Remnants (SNRs):…

Astrophysics of Galaxies · Physics 2015-06-11 Samar Safi-Harb , Gilles Ferrand , Heather Matheson

Gamma-ray line observations provide a versatile tool for studies of nucleosynthesis processes and supernova physics. In particular, the observation of radioactive species in the interstellar medium probes recent nucleosynthesis activity on…

Astrophysics · Physics 2009-12-30 Jurgen Knodlseder

This paper reviews recent advances in the study or circumstellar masers and masers found toward supernova remnants. The review is organized by science focus area, including the astrophysics of extended stellar atmospheres, stellar mass-loss…

Astrophysics · Physics 2009-11-13 Athol J. Kemball