CALIFA, the Calar Alto Legacy Integral Field Area survey III. Second public data release
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SurveysTechniques: spectroscopicGalaxies: general
Garcia-Benito, R., Zibetti, S., Sánchez, S. F., Husemann, B., De Amorim, A. L., Castillo-Morales, A., ... & De Paz, A. G. (2015). CALIFA, the Calar Alto Legacy Integral Field Area survey-III. Second public data release. Astronomy & Astrophysics, 576, A135. [https://doi.org/10.1051/0004-6361/201425080]
SponsorshipInstituto de Salud Carlos III Spanish Government AYA2010-15081 AYA2010-15196; European Union (EU) PCIG12-GA-2012-326466; Spanish Ministry of Economy and Competitiveness (MINECO) AYA2010-21322-C03-02 AIB-2010-DE-00227; FP7 Marie Curie Actions of the European Commission, via the Initial Training Network DAGAL under REA 289313; Ministry of Economy, Development, and Tourism's Millennium Science Initiative IC12009; Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT) CONICYT FONDECYT 3140566; Fundacao para a Ciencia e a Tecnologia (FCT) from FCT (Portugal) SFRH/BPD/66958/2009; Spanish programme of International Campus of Excellence Moncloa (CEI); European Research Council (ERC); Junta de Andalucia TIC 114 PO08-TIC-3531; French National Research Agency (ANR) ANR-12-BS05-0016-02; Spanish Government AYA2010-21887-C04-02; FCT Investigador Contract - FCT/MCTES (Portugal); European Commission Joint Research Centre European Social Fund (ESF); FCT - FCT-MEC (PIDDAC) FCOMP-01-0124-FEDER-029170 FCT PTDC/FIS-AST/3214/2012; European Union (EU); Spanish Ministerio de Educacion, Cultura y Deporte by FPU; Ramon y Cajal program from the Spanish Ministry of Economy and Competitiveness (MINECO) ATA2010-21322-C03-02; European Union (EU) 303912; European Career Re-integration Grant; Spanish Government RyC-2011-09461 AYA2013-47742-C4-3-P; European Union (EU) FP7-PEOPLE-2013-IRSES-612701; PTDC/FIS-AST/3214/2012; Science & Technology Facilities Council (STFC) ST/K000985/1
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 lowresolution 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 improved spectrophotometric calibration, spatial registration, and spatial resolution. The spectrophotometric calibration is better than 6% and the median spatial resolution is 200 : 4. In total, the second data release contains over 1.5 million spectra.