[HTML][HTML] Sloan digital sky survey IV: Mapping the Milky Way, nearby galaxies, and the distant universe
MR Blanton, MA Bershady, B Abolfathi…�- The Astronomical�…, 2017 - iopscience.iop.org
The Astronomical Journal, 2017•iopscience.iop.org
The Sloan Digital Sky Survey (SDSS; York et al. 2000) started observations in 1998 and has
completed three different phases. The data collected includes optical imaging of most of the
northern high Galactic latitude sky as well as optical and nearinfrared spectroscopy of over
3.5 million stars, galaxies, and quasars. These observations all used the 2.5 m Sloan
Foundation Telescope at Apache Point Observatory (APO; Gunn et al. 2006). This paper
describes SDSS-IV, the fourth phase, and how it builds upon and extends both the�…
completed three different phases. The data collected includes optical imaging of most of the
northern high Galactic latitude sky as well as optical and nearinfrared spectroscopy of over
3.5 million stars, galaxies, and quasars. These observations all used the 2.5 m Sloan
Foundation Telescope at Apache Point Observatory (APO; Gunn et al. 2006). This paper
describes SDSS-IV, the fourth phase, and how it builds upon and extends both the�…
The Sloan Digital Sky Survey (SDSS; York et al. 2000) started observations in 1998 and has completed three different phases. The data collected includes optical imaging of most of the northern high Galactic latitude sky as well as optical and nearinfrared spectroscopy of over 3.5 million stars, galaxies, and quasars. These observations all used the 2.5 m Sloan Foundation Telescope at Apache Point Observatory (APO; Gunn et al. 2006). This paper describes SDSS-IV, the fourth phase, and how it builds upon and extends both the infrastructure and scientific legacy of the previous generations of surveys.
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