منابع مشابه
Deep R-band photometry of the Chandra Deep Field South from the COMBO-17 survey
We report on deep multi-color imaging (R5σ = 26.0) of the Chandra Deep Field South, obtained with the Wide Field Imager (WFI) at the MPG/ESO 2.2 m telescope on La Silla as part of the COMBO-17 survey. We include an overview of the COMBO-17 project and a detailed reduction scheme for WFI survey data. We discuss particular treatment necessary for accurate flatfielding of WFI images taken in the s...
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Four-color and HP photometry has been cam& out of stars in three sparse and distant clusters which are thought to contain Cepheids. From these data the distance moduli and color excesses of the clusters have been derived. In general the new values agree with those in the literature but are somewhat more precise.
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Globular Cluster Systems (GCSs) of most early-type galaxies feature two peaks in their optical colour distributions. Blue-peak GCs are believed to be old and metal-poor, whereas the ages, metallicities, and the origin of the red-peak GCs are still being debated. We obtained deep K-band photometry and combined it with HST observations in g and z to yield a full SED from optical to near-infrared....
متن کاملMosaic wide-field multi-band photometry
We present Johnson UBV , and Kron-Cousins I photometry for about 60,000 stars in a region of 44 × 33 arcmin2 centered on the Galactic globular cluster (GGC) NGC 2808. The central r < 100 arcsec region has been mapped also in the F218W, F439W, and F555W bands with the HST WFPC2 camera. Overall, we cover a field which extends from the center to about 1.7 tidal radii. Photometric calibration has b...
متن کاملUsing Multi-Band Photometry to Classify Supernovae
1 School of Physics & Astronomy, Tel-Aviv University, Tel-Aviv 69978, Israel (dovip, avishay, dani)@wise.tau.ac.il 2 Department of Astronomy, 601 Campbell Hall, University of California, Berkeley, CA 94720-3411 [email protected] 3 Five College Astronomy Department, University of Massachusetts, Amherst, MA 01003-9305 [email protected] 4 Harvard-Smithsonian Center for Astrophy...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2014
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361/201322924