Astrometry with the Keck-Interferometer: the ASTRA project and its science (2008)
Pott, Jorg-Uwe, Woillez, Julien, Akeson, Rachel L., Berkey, Ben, Colavita, Mark M., Cooper, Andrew, ...
The sensitivity and astrometry upgrade ASTRA of the Keck Interferometer is introduced. After a brief overview of the underlying interferometric principles, the technology and concepts of the upgrade...
The prototype colliding-wind pinwheel WR 104 (2007)
Tuthill, Peter, Monnier, John, Lawrance, Nicholas, Danchi, William, Owocki, Stan, Gayley, Kenneth
Results from the most extensive study of the time-evolving dust structure around the prototype "Pinwheel" nebula WR 104 are presented. Encompassing 11 epochs in three near-infrared filter bandpasses,...
Pinwheels in the Quintuplet Cluster (2006)
Tuthill, Peter, Monnier, John, Tanner, Angelle, Figer, Donald, Ghez, Andrea, Danchi, William
The five enigmatic Cocoon stars after which the Quintuplet cluster was christened have puzzled astronomers since their discovery. Their extraordinary cool, featureless thermal spectra have been...
The Circumstellar Environments of Young Stars at AU Scales (2006)
Millan-Gabet, Rafael, Malbet, Fabien, Akeson, Rachel, Leinert, Christoph, Monnier, John, Waters, Rens
We review recent advances in our understanding of the innermost regions of the circumstellar environment around young stars, made possible by the technique of long baseline interferometry at infrared...