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A directed search for gravitational waves from Scorpius X-1 with initial LIGO
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +891
We present results of a search for continuously-emitted gravitational radiation, directed at the brightest low-mass X-ray binary, Scorpius X-1. Our semi-coherent analysis covers 10…
Narrow-band search of continuous gravitational-wave signals from Crab and Vela pulsars in Virgo VSR4 data
The LIGO Scientific Collaboration, the Virgo Collaboration, J. Aasi +894
In this paper we present the results of a coherent narrow-band search for continuous gravitational-wave signals from the Crab and Vela pulsars conducted on Virgo VSR4 data. In orde…
Long-term Photometric Behavior of Outbursting AM CVn Systems
David Levitan, Paul J. Groot, Thomas A. Prince +5
The AM CVn systems are a class of He-rich, post-period minimum, semi-detached, ultra-compact binaries. Their long-term light curves have been poorly understood due to the few syste…
Advanced Virgo: a 2nd generation interferometric gravitational wave detector
F. Acernese, M. Agathos, K. Agatsuma +231
Advanced Virgo is the project to upgrade the Virgo interferometric detector of gravitational waves, with the aim of increasing the number of observable galaxies (and thus the detec…
On the use of the Fourier Transform to determine the projected rotational velocity of line-profile variable B stars
C. Aerts, S. Simon-Diaz, P. J. Groot +1
The Fourier Transform method is a popular tool to derive the rotational velocities of stars from their spectral line profiles. However, its domain of validity does not include line…
First release of the IPHAS Catalogue of New Extended Planetary Nebulae
L. Sabin, Q. A. Parker, R. L. M Corradi +21
We present the first results of our search for new, extended Planetary Nebulae (PNe) based on careful, systematic, visual scrutiny of the imaging data from the INT Photometric H-al…