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The Seventh Data Release of the Sloan Digital Sky Survey
K. Abazajian
This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDS…
Science with UT's Dichroic-Mirror Camera (DMC), 15-band simultaneous imager
Hanindyo Kuncarayakti, Mamoru Doi, Hakim L. Malasan +20
We introduce the Dichroic-Mirror Camera (DMC), an instrument developed at the University of Tokyo which is capable of performing simultaneous imaging in fifteen bands. The main fea…
Proper motions with Subaru I. Methods and a first sample in the Subaru Deep Field
Michael W. Richmond, Tomoki Morokuma, Mamoru Doi +4
We search for stars with proper motions in a set of twenty deep Subaru images, covering about 0.28 square degrees to a depth of i ~ 25, taken over a span of six years. In this pape…
Clusters of Galaxies in the First Half of the Universe from the IRAC Shallow Survey
Peter R. M. Eisenhardt, Mark Brodwin, Anthony H. Gonzalez +13
We have identified 335 galaxy cluster and group candidates, 106 of which are at z > 1, using a 4.5 um selected sample of objects from a 7.25 deg^2 region in the Spitzer Infrared Ar…
The Milky Way Tomography with SDSS: II. Stellar Metallicity
Zeljko Ivezic, Branimir Sesar, Mario Juric +50
Using effective temperature and metallicity derived from SDSS spectra for ~60,000 F and G type main sequence stars (0.2<g-r<0.6), we develop polynomial models for estimating these…
Delay Time Distribution Measurement of Type Ia Supernovae by the Subaru/XMM-Newton Deep Survey and Implications for the Progenitor
Tomonori Totani, Tomoki Morokuma, Takeshi Oda +2
The delay time distribution (DTD) of type Ia supernovae (SNe Ia) from star formation is an important clue to reveal the still unknown progenitor system of SNe Ia. Here we report on…