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These surveys were combined into the DESI Legacy Imaging Surveys, or Legacy Surveys. [17] [18] Colored images of the survey can be viewed in the Legacy Survey Sky Browser. [19] The legacy survey covers 16,000 square degrees of the night sky containing 1.6 billion objects including galaxies and quasars out to 11 billion years ago.
UM 287 was first discovered between 1974 and 1976, where it was observed as a part of the Curtis Schmidt-thin prism survey for extragalactic emission-line objects and possible quasars. The name UM comes from the University of Michigan .
The Dark Energy Survey (DES) is an astronomical survey designed to constrain the properties of dark energy.It uses images taken in the near-ultraviolet, visible, and near-infrared to measure the expansion of the universe using Type Ia supernovae, baryon acoustic oscillations, the number of galaxy clusters, and weak gravitational lensing. [1]
The DESI Legacy Imaging Surveys (2013–present) looks at 14,000 square degrees of the northern and southern sky with the Bok 2.3-meter telescope, the 4-meter Mayall telescope, and the 4-meter Víctor M. Blanco Telescope. The Legacy Surveys make use of the Mayall z-band Legacy Survey, the Beijing–Arizona Sky Survey, and the Dark Energy Survey.
IRAS 01003-2238 is the brightest galaxy of a small group. [4] It has two companions located 14.5 arcsec east and 18.5 arcsec southeast respectively. [5] It has an infrared luminosity of 10 12.2 L ʘ, [6] and a far-infrared luminosity of 1.9 x 10 12 L ʘ. [7]
DESI Legacy Imaging Surveys (Legacy Surveys) - large imaging survey of the extragalactic sky, in three bands and covering one third of the sky, 2013–present; GSNST - Global Supernovae Search Team - an all sky survey launched in August 2018 to look for Astronomical Transients; Gaia catalogues of over a billion parallax distances
ESO 383-76 would be additionally recorded in many subsequent galaxy surveys, such as the survey of the Hydra–Centaurus Supercluster by L.N. da Costa et al in 1986, [10] and moreover a photometric catalogue by Lauberts and Valentijn in 1989 that made the first angular diameter measurements of the galaxy. [11]
NGC 1, as seen on DESI Legacy Surveys. Observation data (J2000 epoch) Constellation: Pegasus: Right ascension: 00 h 07 m 15.84 s [1] Declination +27° 42′ 29.1 ...