Showing 2012 · astro-ph.HEShow all

10 papers · 2 filters

astro-ph.HE2012★ 1 cited

Results from Long-Term Optical Monitoring of the Soft X-Ray Transient SAX J1810.8-2609

Ling Zhu, Rosanne DiStefano, Lukasz Wyrzykowski

In this paper we report the long-term optical observation of the faint soft X-ray transient SAX J1810.8-2609 from OGLE and MOA. We have focused on the 2007 outburst, and also did t…

astro-ph.HE2012★ 15 cited

Chandra and HST Observations of the Supersoft ULX in NGC 247: Candidate for Standard Disk Emission

Lian Tao, Hua Feng, Philip Kaaret +2

We report on multiwavelength observations of the supersoft ultraluminous X-ray source (ULX) in NGC 247 made with the Chandra X-ray Observatory and Hubble Space Telescope (HST). We…

astro-ph.HE2012★ 48 cited

A First Search for coincident Gravitational Waves and High Energy Neutrinos using LIGO, Virgo and ANTARES data from 2007

The ANTARES Collaboration, the LIGO Scientific Collaboration, the Virgo Collaboration +959

We present the results of the first search for gravitational wave bursts associated with high energy neutrinos. Together, these messengers could reveal new, hidden sources that are…

astro-ph.HE2012★ 127 cited

Search for gravitational waves associated with gamma-ray bursts during LIGO science run 6 and Virgo science runs 2 and 3

The LIGO Scientific Collaboration, Virgo Collaboration, J. Abadie +807

We present the results of a search for gravitational waves associated with 154 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments in 2009-2010, dur…

astro-ph.HE2012★ 71 cited

Swift follow-up observations of candidate gravitational-wave transient events

P. A. Evans, J. K. Fridriksson, N. Gehrels +813

We present the first multi-wavelength follow-up observations of two candidate gravitational-wave (GW) transient events recorded by LIGO and Virgo in their 2009-2010 science run. Th…

astro-ph.HE2012★ 31 cited

The Nature of the UV/optical Emission of the Ultraluminous X-Ray Source in Holmberg II

Lian Tao, Philip Kaaret, Hua Feng +1

We report on UV and X-ray spectroscopy and broad-band optical observations of the ultraluminous X-ray source in Holmberg II. Fitting various stellar spectral models to the combined…

astro-ph.HE2012★ 8 cited

Intermediate-Mass Black Holes in Globular Clusters

Yu-Qing Lou, Yi-Hong Wu

There have been reports of possible detections of intermediate-mass black holes (IMBHs) in globular clusters (GCs). Empirically, there exists a tight correlation between the centra…

astro-ph.HE2012★ 85 cited

Black Hole Powered Nebulae and a Case Study of the Ultraluminous X-ray Source IC342 X-1

D. Cseh, S. Corbel, P. Kaaret +6

We present new radio, optical, and X-ray observations of three Ultraluminous X-ray sources (ULXs) that are associated with large-scale nebulae. We report the discovery of a radio n…

astro-ph.HE2012★ 78 cited

Implications For The Origin Of GRB 051103 From LIGO Observations

The LIGO Scientific Collaboration, J. Abadie, B. P. Abbott +568

We present the results of a LIGO search for gravitational waves (GWs) associated with GRB 051103, a short-duration hard-spectrum gamma-ray burst (GRB) whose electromagnetically det…

astro-ph.HE2012★ 2 cited

The missing compact star of SN1987A: a solid quark star?

X. W. Liu, J. D. Liang, R. X. Xu +2

To investigate the missing compact star of Supernova 1987A, we analyzed both the cooling and the heating processes of a possible compact star based on the upper limit of observatio…