Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd..13e...7k&link_type=abstract
Exploiting Large Surveys for Galactic Astronomy, 26th meeting of the IAU, Joint Discussion 13, 22-23 August 2006, Prague, Czech
Astronomy and Astrophysics
Astronomy
Scientific paper
The Pan-STARRS project is proceeding in two phases; PS1 is a single aperture system that has been deployed on Haleakala, Maui and will become operational at the end of 2006. PS4 is a 4-aperture system that will be deployed on Mauna Kea and which is planned to become operational in 2010. The Pan-STARRS telescopes feature 1.4 giga-pixel cameras that cover a massive 7 square degree field of view, and have low noise and rapid read-out that will allow them to survey the sky in a range of pass-bands from 400-1000nm at an unprecedented rate and depth. The Pan-STARRS PS1 3-pi survey will revolutionize galactic astronomy. It will cover 3/4 of the entire sky; individual exposures will be able to detect sources to r-magnitude of approximately 23; and each patch of sky will be visited approximately 70 times over the 3 year lifetime of the survey. Even in the first year of the survey, this will result in high quality parallaxes, proper motions and high precision photometry. The advance over existing all-sky surveys will be truly dramatic, with astrometric precision of a few milli-arcsec (as compared to a few hundred mas) and with 1-percent photometry as a design requirement and even higher precision as a realistic goal. PS4 will provide even greater astrometric precision --- by virtue of the better seeing on Mauna-Kea --- and will sample fainter and deeper, as will other planned surveys such as LSST. These surveys will have performance orders of magnitude higher than existing surveys, though ultimately they will in turn be eclipsed by future planned space missions such as GAIA.
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