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J/ApJS/127/1 UGRK Photometry in the Hubble Deep field region (Hogg+, 2000)
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Beginning of ReadMe :J/ApJS/127/1 UGRK Photometry in the Hubble Deep field region (Hogg+, 2000)
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Caltech Faint Galaxy Redshift Survey. IX. Source Detection and Photometry
in the Hubble Deep Field Region
Hogg D.W., Pahre M.A., Adelberger K.L., Blandford R., Cohen J.G.,
Gautier T.N., Jarrett T., Neugebauer G., Steidel C.C.
<Astrophys. J. Suppl. Ser. 127, 1 (2000)>
=2000ApJS..127....1H
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ADC_Keywords: Colors ; Galaxies, photometry ; Photometry, CCD
Keywords: cosmology: observations - galaxies: evolution -
galaxies: fundamental parameters - galaxies: photometry
Abstract:
Detection and photometry of sources in the U_n_, G, R, and K_s_ bands
in a 9x9 arcmin^2^ region of the sky, centered on the Hubble Deep
Field, are described. The data permit construction of complete
photometric catalogs to roughly U_n_=25, G=26, R=25.5, K_s_=20
mag and significant photometric measurements somewhat fainter. Galaxy
catalogs selected in the R and K_s_ bands are presented, containing
3607 and 488 sources in field areas of 74.8 and 59.4arcmin^2^, to
R=25.5 and K_s_=20mag.
Description:
For visual data, U_n_=0.53F300W+0.47F450W-0.29mag,
G=0.83F450W+0.18F606W-0.07mag, and R=0.46F606W+0.54F814W-0.02mag
images taken with the COSMIC camera (Kells et al.,
1998PASP..110.1487K) at the prime focus of the 200 inch Hale Telescope
at the Palomar Observatory were used. The U_n_, G, and R filters are
described in Steidel & Hamilton (1993AJ....105.2017S); briefly, they
have effective wavelengths of 3570, 4830, and 6930AA, FWHM
bandpasses of 700, 1200, and 1500AA, and zero-magnitude flux
densities of roughly 1550, 3890, and 2750Jy. These magnitudes are Vega
relative, not AB. For near-infrared data, an 8' diameter circular
region centered on the HDF was imaged on 1997 March 19 - 21 using a
K_s_ filter with a near-infrared camera (Jarrett et al., 1994) mounted
at the prime focus of the 200 inch Hale Telescope. The K_s_ filter has
an effective wavelength of 2.15mum, a FWHM bandpass of 0.3mum,
and a zero-magnitude flux density of roughly 708Jy.