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Related papers: Asteroseismology with the WIRE satellite

200 papers

WFIRST microlensing observations will return high-precision parallaxes, sigma(pi) < 0.3 microarcsec, for the roughly 1 million stars with H<14 in its 2.8 deg^2 field toward the Galactic bulge. Combined with its 40,000 epochs of high…

Solar and Stellar Astrophysics · Physics 2017-01-18 A. Gould , D. Huber , M. Penny , D. Stello

Asteroseismology has been extremely successful in determining the properties of stars in different evolutionary stages with a remarkable level of precision. However, to fully exploit its potential, robust methods for estimating stellar…

Solar and Stellar Astrophysics · Physics 2015-06-11 V. Silva Aguirre , L. Casagrande , S. Basu , T. L. Campante , W. J. Chaplin , D. Huber , A. Miglio , A. M. Serenelli , KASC WG#1

We analyse the orbital kinematics of the Milky Way (MW) satellite system utilizing the latest systemic proper motions for 38 satellites based on data from Gaia Data Release 2. Combining these data with distance and line-of-sight velocity…

The KEYSTONE project aims to enhance our understanding of solar-like oscillators by delivering a catalogue of global asteroseismic parameters (${\Delta\nu}$ and ${\nu_{\rm max}}$) for 173 stars, comprising mainly dwarfs and subgiants,…

Space-based projects are providing a wealth of high-quality asteroseismic data, including frequencies for a large number of stars showing solar-like oscillations. These data open the prospect for precise determinations of key stellar…

Solar and Stellar Astrophysics · Physics 2015-05-20 P. -O. Quirion , J. Christensen-Dalsgaard , T. Arentoft

We have compiled the first all-sky mid-infrared variable-star catalog based on Wide-field Infrared Survey Explorer (WISE) five-year survey data. Requiring more than 100 detections for a given object, 50,282 carefully and robustly selected…

Solar and Stellar Astrophysics · Physics 2018-08-08 Xiaodian Chen , Shu Wang , Licai Deng , Richard de Grijs , Ming Yang

Asteroseismology involves using the resonant frequencies of a star to infer details about its internal structure and evolutionary state. Oscillation frequencies are most useful when accompanied by accurate measurements of the more…

Astrophysics · Physics 2007-05-23 Timothy R. Bedding

We monitored the light variations of 22 weak-line T Tauri stars (WTTS) discovered among the X-ray sources in the field of the Taurus-Auriga cloud. The photometric variability of 12 out of these WTTS samples is confirmed. They are all proved…

Astrophysics · Physics 2007-05-23 Li-Feng Xing , Xiao-Bin Zhang , Jian-Yan Wei

The Kepler mission, launched in March 2009, has revolutionized asteroseismology, providing detailed observations of thousands of stars. This has allowed in-depth analysis of stars ranging from compact hot subdwarfs to red giants, and…

Solar and Stellar Astrophysics · Physics 2011-10-25 J. Christensen-Dalsgaard

RAVE, the RAdial Velocity Experiment, is an ambitious program to conduct a survey to measure the radial velocities, metallicities and abundance ratios for up to a million stars using the 1.2-m UK Schmidt Telescope of the Anglo-Australian…

Astrophysics · Physics 2009-11-13 A. Siebert , the RAVE collaboration

I present an overview of the Swift mission, which was launched on November 20, 2004 to discover and observe the most energetic of astrophysical phenomena, gamma-ray bursts (GRBs). After almost 6 years in space the Observatory is in…

High Energy Astrophysical Phenomena · Physics 2010-10-14 P. Romano

Swift is a satellite equipped with gamma-ray, X-ray, and optical-UV instruments aimed at discovering, localizing and collecting data from gamma-ray bursts (GRBs). Launched at the end of 2004, this small-size mission finds about a hundred…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 S. Savaglio , U. Grothkopf

Red-giant stars are proving to be an incredible source of information for testing models of stellar evolution, as asteroseismology has opened up a window into their interiors. Such insights are a direct result of the unprecedented data from…

Solar and Stellar Astrophysics · Physics 2013-11-15 Patrick Gaulme

In this review paper, we summarise the goals of asteroseismic studies of close binary stars. We first briefly recall the basic principles of asteroseismology, and highlight how the binarity of a star can be an asset, but also a…

Astrophysics · Physics 2009-11-13 Conny Aerts

NASA's Kepler mission will fly a photometer based on a wide-field Schmidt camera with a 0.95 m aperture, staring at a single field continuously for at least 4 years. Although the mission's principal aim is to locate transiting extrasolar…

We have imaged seventeen recently discovered Sirius-like binary systems with HST/WFPC2 and resolved the white dwarf secondary in eight cases. Most of the implied orbital periods are of order several hundred years, but in three cases (56…

Astrophysics · Physics 2007-05-23 Matt Burleigh , Martin Barstow , Howard E. Bond , Jay Holberg

RAVE (RAdial Velocity Experiment) is an ambitious program to conduct an all-sky survey (complete to V = 16) to measure the radial velocities, metallicities and abundance ratios of 50 million stars using the 1.2-m UK Schmidt Telescope of the…

Astrophysics · Physics 2019-08-14 Matthias Steinmetz

The results of our six year systematic observational survey on candidate eclipsing binaries with a delta Sct component are briefly presented. A new catalogue for this kind of systems as well as the properties of their delta Sct members are…

Solar and Stellar Astrophysics · Physics 2016-06-29 Alexios Liakos , Panagiotis Niarchos

After highlighting the principle and power of asteroseismology for stellar physics, we briefly emphasize some recent progress in this research for various types of stars. We give an overview of high-precision high duty-cycle space…

Solar and Stellar Astrophysics · Physics 2015-06-22 Conny Aerts

We have performed a statistical study of $152$ Type III radio bursts observed by Solar TErrestrial RElations Observatory (STEREO)/Waves between May 2007 and February 2013. We have investigated the flux density between $125$kHz and $16$MHz.…

Solar and Stellar Astrophysics · Physics 2014-10-09 V. Krupar , M. Maksimovic , O. Santolik , E. P. Kontar , B. Cecconi , S. Hoang , O. Kruparova , J. Soucek , H. Reid , A. Zaslavsky