... Home Page . ... By default, page links are between pages of the same group; to create a link to a page in another group, add the name of the other group and a dot or slash to the page name. ... Creating a new group is as easy as creating new pages ; simply edit an existing page to include a link to the new group's default home page (or any page in the new group) then click on the '?' to edit the page. ... For example, to make a default page in the group Foo, create a link to [[Foo/]] (or [[Foo.] ...

Next: Observational Data Previous: Rotation Periods of PMS Stars . ... 1993,1995; Grankin 1993, 1994; Prosser 1993, 1994, 1995; Adams 1995; Choi & Herbst 1996) cover a wide range of stellar ages, but with exception of the ONC, the nTTs have been underrepresented. ... Because some nTTs may have very recently lost their disks, they could be stars undergoing rapid change in their rotational properties. ... 1996). In this dissertation, I will discuss the results of observations of nTTs in Orion. ...

... This talk will describe some of the features that have lead to the success of the ftools project and have enabled it to produce and manage a large package of software with low development costs. The ftools software package is a modular, platform-independent set of programs for analyzing FITS format data files in general, with a strong emphasis on data from high energy astrophysics missions. ... Platform-independence has been achieved in part by adopting FITS as the run-time data analysis format. ...

... Tonight's Sky . ... galaxies . ... Subaru Telescope discovers the most distant protocluster of galaxies . ... Using the Subaru Telescope, a team of astronomers led by Jun Toshikawa from The Graduate University for Advanced Studies in Japan; Nobunari Kashikawa from the National Astronomical Observatory of Japan; and Kazuaki Ota from Kyoto University in Japan has discovered the most distant protocluster of galaxies ever found т?? one that existed less than 1 billion years after the Big Bang. ...

... With the FORS1 instrument of the ESO VLT, we have performed during the 2007 apparition of 133P/Elst-Pizarro quasisimultaneous photometry and polarimetry of its nucleus at nine epochs in the phase angle range 0 - 20 . ... Geometric information about the dust tails of 133P/Elst-Pizarro. ... The most logical explanation of the almost absent coma and the narrow dust tails is low nucleus activity and the small terminal expansion velocity of the dust grains after release by the nucleus of 133P/Elst...

... More Than Just a Planet, It's a Meal . ... Can a star swallow a planet? ... Planets like Jupiter, it was thought, could not form that close to a star because the high temperatures there would have prevented "icy" and "rocky" solids from condensing out of the gas. ... The heavy element enrichment of a more massive star's surface by a Jupiter-like planet (which did not completely dissolve in the convection zone) could range up to 50% if the planet's heavy elements were uniformly distributed. ...

... Bad Astronomy . ... I mention Molniya orbits below, which are highly elliptical orbits that dip down as low as 200 miles, but get very high up. ... To someone on Earth, a satellite in geosynchronous orbit will stay at the same longitude (east-west) direction in the sky, but will move north and south over the orbit. ... Either way, geostationary or geosynchronous, the advantage of these orbits in intelligence gathering is obvious; it's like always having an eye in the sky over one part of the Earth. ...