For more than 400 years, astronomers both professional and amateur have taken a special interest in observing Mira stars, a class of variable red giants famous for pulsations that last for 80-1,000 ...

Purdue faculty dedicate countless hours to exploring the frontiers of their respective fields, pushing the boundaries of knowledge and contributing to the ever-evolving landscape of academia. To ...

The ESO (European Southern Observatory) has announced the successful observation of an exoplanet using optical interferometry. It's the first time an exoplanet has been "seen" in this manner and the ...

ABSTRACT This paper describes the OI (Optical Interferometry) Exchange Format, a standard for exchanging calibrated data from optical (visible/infrared) stellar interferometers. The standard is based ...

Another advanced astronomical telescope has just been installed at the Paranal Observatory, located in the heart of the Chilean Atacama Desert and home of the ESO Very Large Telescope (VLT). The new ...

The first findings from Georgia State University’s CHARA Array at the Mount Wilson Observatory appeared 20 years ago this month ATLANTA — Georgia State University’s Center for High Angular Resolution ...

Publications of the Astronomical Society of the Pacific, Vol. 116, No. 823 (September 2004), pp. 876-885 (10 pages) ABSTRACT Water vapor, while usually a small contributor to the atmospheric ...

Astronomy is one of the most ancient sciences that humanity has ever pursued. Since the dawn of civilisation, mankind has gazed at the night sky, awed and inspired by its black emptiness, the apparent ...

With 2009 being the International Year of Astronomy, it is an apt time to reflect on just how far telescope technologies have come, and speculate about the future. Just over 400 years ago, Hans ...

The quantification of large optics demands metrology systems that operate in the context of turbulence, vibration and additional challenges. Figure 1. Measurement of large optics, such as this 8-meter ...