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CALIFA, the Calar Alto Legacy Integral Field Area survey: III. Second public data release

AuthorsGarcía-Benito, Rubén ; González Delgado, Rosa M. ; López-Fernandez, R. ; Mendoza, M. A.; Pérez Jiménez, Enrique ; Cortijo Ferrero, Clara ; Iglesias-Páramo, J. ; Kehrig, C. ; Márquez, Isabel ; Masegosa, J.; Olmo, Ascensión del ; Sánchez-Menguiano, L.; Vílchez Medina, José Manuel ; Quintana, José María ; Aceituno, Jesús
Techniques: spectroscopic
Galaxies: general
Issue Date2015
PublisherEDP Sciences
CitationAstronomy and Astrophysics 576 (2015)
Abstract© ESO, 2015. This paper describes the Second Public Data Release (DR2) of the Calar Alto Legacy Integral Field Area (CALIFA) survey. The data for 200 objects are made public, including the 100 galaxies of the First Public Data Release (DR1). Data were obtained with the integral-field spectrograph PMAS/PPak mounted on the 3.5 m telescope at the Calar Alto observatory. Two different spectral setups are available for each galaxy, (i) a low-resolution V500 setup covering the wavelength range 3745-7500 Å with a spectral resolution of 6.0 Å (FWHM); and (ii) a medium-resolution V1200 setup covering the wavelength range 3650-4840 Å with a spectral resolution of 2.3 Å (FWHM). The sample covers a redshift range between 0.005 and 0.03, with a wide range of properties in the color-magnitude diagram, stellar mass, ionization conditions, and morphological types. All the cubes in the data release were reduced with the latest pipeline, which includes improvedspectrophotometric calibration, spatial registration, and spatial resolution. The spectrophotometric calibration is better than 6% and the median spatial resolution is 2.4. In total, the second data release contains over 1.5 million spectra.
DescriptionGarcía-Benito, R. et. al.
Identifiersdoi: 10.1051/0004-6361/201425080
issn: 1432-0746
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