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Probing Stars with Optical and Near Infrared Interferometry
Each time a piece of observational phase space is opened up, new discoveries are made and existing theories are challenged. In astronomy, therefore, there is a constant push to build instruments capable of greater sensitivity and higher spatial, temporal, and spectral resolution. The technique of interferometry has for many decades provided high angular resolution at radio wavelengths (see the article by Kenneth Kellermann and David Heeschen, Physics Today, April 1991, page 40), and astronomers have been following a similar path at near-IR (1-11 um) and visible (0.5-0.8 um) wavelengths.
Host of the Coast
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The Relationship Between Gamma Cassiopeiae's X-ray Emission and Its Circumstellar Environment
"[Greek letter] gamma Cas is the prototypical classical Be star and is best known for its variable hard X-ray emission. To elucidate the reasons for this emission, we mounted a multiwavelength campaign in 2010 centered around 4 XMM observations. The observational techniques included long baseline optical interferometry (LBOI), monitoring by an Automated Photometric Telescope and Halpha observations. Because gamma Cas is also known to be in a binary, we measured Halpha radial velocities and redetermined its period as 203.55+/-0.2 days and an eccentricity near zero. The LBOI observations suggest that the star's decretion disk was axisymmetric in 2010, has an inclination angle near 45^o, and a ...
Mass-Losing Pulsating Stars and their Circumstellar Matter
Editing the proceedings of a scientific meeting is not an easy task. Sometimes people who give an excellent talk do not send the manuscript by the deadline. However, this time, thanks to the punctuality of all the participants, we have this excellent volume for the workshop on mass losing pulsating stars and their circumstellar matter prepared in time. Almost all of the oral presentations including the summary are collected in this volume. We regret that we cannot put in this volume a few posters that we failed to receive before the editorial work. The workshop was planned as a small meeting with less than fifty attendants because the city of Sendai was far from the most of the active institutions. However, the number of submitted papers exceeded the SOC's expectation; many interesting contributions had to be scheduled in the poster session. Still, the oral sessions were so tight that many participants might have felt frustrated for the shortage of discussions. The organizers of the workshop have to apologize to the attendants for the inconvenience caused from such a happy underestimate about the size of the workshop.
Optical Interferometry in Astronomy
Here I review the current state of the field of optical stellar interferometry, concentrating on ground-based work although a brief report of space interferometry missions is included. We pause both to reflect on decades of immense progress in the field as well as to prepare for a new generation of large interferometers just now being commissioned (most notably, the CHARA, Keck and VLT Interferometers). First, this review summarizes the basic principles behind stellar interferometry needed by the lay-physicist and general astronomer to understand the scientific potential as well as technical challenges of interferometry. Next, the basic design principles of practical interferometers are disc...
Advances in Stellar Interferometry
Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Current List of Medical Literature
Includes section, "Recent book acquisitions" (varies: Recent United States publications) formerly published separately by the U.S. Army Medical Library.
Pure and Applied Chemistry
Some vols. include: Plenary lectures of the International Conference on Organometallic Chemistry.
