Mathematics – Logic
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20717103s&link_type=abstract
American Astronomical Society Meeting 207, #171.03; Bulletin of the American Astronomical Society, Vol. 37, p.1431
Mathematics
Logic
Scientific paper
The Nearby Supernova Factory (SNfactory) is a project to obtain time series spectrophotometry of a large sample of type Ia supernovae (SNe Ia) in the redshift range 0.03 < z < 0.08. To produce a sample of supernovae unbiased with respect to host galaxy type, SNfactory searches wide-field imaging data taken with the QUEST-II camera on the Samuel Oschin 1.2-m telescope on Mt. Palomar. The camera covers up to 500 square degrees per night to a depth of B = 21, and can be operated either in a point-and-track mode, as by the Near Earth Asteroid Tracking (NEAT) project at JPL, or in a drift-scan mode, as by the Palomar Consortium (Yale/JPL/Caltech). Promising candidates are screened, either photometrically (e.g. with the Nickel 1-meter telescope at Lick Observatory) or spectroscopically with the Supernova Integral Field Spectrograph (SNIFS) on the University of Hawaii 2.2-meter telescope on Mauna Kea (see Lee et al. poster, this session). In its current form, the search discovers some 25 spectroscopically confirmed SNe per month in the NEAT point-and-track data, of which 10-15 are typed as SNe Ia. We present a review of the status and performance of the search, and of future plans for expansion and improvement.
Support for SNfactory is provided in the United States by the DOE Office of Science, the National Science Foundation through the High Performance Wireless Research and Education Network (HPWREN), the Kavli Institute for Cosmological Physics (KICP), and the Gordon and Betty Moore Foundation, and in France by the Centre National de la Recherche Scientifique (CNRS) through the Institut National de Physique Nucleaire et de Physique des Particules (IN2P3), the Institut National des Sciences de l'Univers (INSU) and the Programme National de Cosmologie (PNC).
Aldering Greg
Antilogus Pierre
Aragon C.
Bailey Stephen
Baltay Charles
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