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Sökning: L773:0004 6256 OR L773:1538 3881 > APOGEE Data and Spe...

APOGEE Data and Spectral Analysis from SDSS Data Release 16 : Seven Years of Observations Including First Results from APOGEE-South

Jönsson, Henrik (författare)
Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Malmö Univ, Mat Sci & Appl Math, SE-20506 Malmö, Sweden.;Lund Univ, Dept Astron & Theoret Phys, Lund Observ, Box 43, SE-22100 Lund, Sweden.,Astronomi - Genomgår omorganisation,Institutionen för astronomi och teoretisk fysik - Genomgår omorganisation,Naturvetenskapliga fakulteten,Lund Observatory - Undergoing reorganization,Department of Astronomy and Theoretical Physics - Undergoing reorganization,Faculty of Science
Holtzman, Jon A. (författare)
New Mexico State Univ, Las Cruces, NM 88003 USA.,New Mexico State University
Prieto, Carlos Allende (författare)
Inst Astrofis Canarias IAC, E-38205 Tenerife, Spain.;Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain.,University of La Laguna (ULL),Instituto de Astrofísica de Canarias
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Cunha, Katia (författare)
Univ Arizona, Steward Observ, 933 North Cherry Ave, Tucson, AZ 85721 USA.;Observ Nacl, Rua Gen Jose Cristino, BR-20921400 Rio De Janeiro, RJ, Brazil.,National Observatory Brazil,University of Arizona
Garcia-Hernandez, D. A. (författare)
Inst Astrofis Canarias IAC, E-38205 Tenerife, Spain.;Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain.,University of La Laguna (ULL),Instituto de Astrofísica de Canarias
Hasselquist, Sten (författare)
Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.,University of Utah
Masseron, Thomas (författare)
Inst Astrofis Canarias IAC, E-38205 Tenerife, Spain.;Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain.,Instituto de Astrofísica de Canarias,University of La Laguna (ULL)
Osorio, Yeisson (författare)
Inst Astrofis Canarias IAC, E-38205 Tenerife, Spain.;Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain.,University of La Laguna (ULL),Instituto de Astrofísica de Canarias
Shetrone, Matthew (författare)
Univ Texas Austin, McDonald Observ, Ft Davis, TX 79734 USA.,University of Texas at Austin
Smith, Verne (författare)
Natl Opt Astron Observ, 950 North Cherry Ave, Tucson, AZ 85719 USA.,National Optical Astronomy Observatory
Stringfellow, Guy S. (författare)
Univ Colorado, Ctr Astrophys & Space Astron, Dept Astrophys & Planetary Sci, Campus Box 391, Boulder, CO 80309 USA.,University of Colorado
Bizyaev, Dmitry (författare)
Apache Point Observ, POB 59, Sunspot, NM 88349 USA.;New Mexico State Univ, POB 59, Sunspot, NM 88349 USA.;Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow, Russia.,Sternberg Astronomical Institute,Apache Point Observatory
Edvardsson, Bengt, Associate Professor, 1956- (författare)
Uppsala University,Uppsala universitet,Teoretisk astrofysik
Majewski, Steven R. (författare)
Univ Virginia, Dept Astron, POB 400325, Charlottesville, VA 22904 USA.,University of Virginia
Meszaros, Szabolcs (författare)
Eotvos Lorand Univ, Gothard Astrophys Observ, Szent Imre H St 112, H-9700 Szombathely, Hungary.;MTA ELTE Exoplanet Res Grp, Szent Imre H St 112, H-9700 Szombathely, Hungary.,Eötvös Loránd University
Souto, Diogo (författare)
Univ Fed Sergipe, Dept Fis, Av Marechal Rondon S-N, BR-49000000 Sao Cristovao, SE, Brazil.;MCTIC, Observ Nacl, R Gen Jose Cristino 77, BR-20921400 Rio De Janeiro, Brazil.,Federal University of Sergipe,National Observatory Brazil
Zamora, Olga (författare)
Inst Astrofis Canarias IAC, E-38205 Tenerife, Spain.;Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain.,Instituto de Astrofísica de Canarias,University of La Laguna (ULL)
Beaton, Rachael L. (författare)
Princeton Univ, Dept Astrophys Sci, 4 Ivy Lane, Princeton, NJ 08544 USA.;Observ Carnegie Inst Sci, 813 Santa Barbara St, Pasadena, CA 91101 USA.,Carnegie Observatories,Princeton University
Bovy, Jo (författare)
Univ Toronto, David A Dunlap Dept Astron & Astrophys, 50 St George St, Toronto, ON M5S 3H4, Canada.;Univ Toronto, Dunlap Inst Astron & Astrophys, 50 St George St, Toronto, ON M5S 3H4, Canada.,University of Toronto
Donor, John (författare)
Texas Christian Univ, Dept Phys & Astron, TCU Box 298840, Ft Worth, TX 76129 USA.,Texas Christian University
Pinsonneault, Marc H. (författare)
Ohio State Univ, Dept Astron, 140 West 18th Ave, Columbus, OH 43210 USA.,Ohio State University
Poovelil, Vijith Jacob (författare)
Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.,University of Utah
Sobeck, Jennifer (författare)
Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA.,University of Washington
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 (creator_code:org_t)
2020-08-17
2020
Engelska.
Ingår i: Astronomical Journal. - : Institute of Physics Publishing (IOPP). - 0004-6256 .- 1538-3881. ; 160:3
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The spectral analysis and data products in Data Release 16 (DR16; 2019 December) from the high-resolution near-infrared Apache Point Observatory Galactic Evolution Experiment (APOGEE)-2/Sloan Digital Sky Survey (SDSS)-IV survey are described. Compared to the previous APOGEE data release (DR14; 2017 July), APOGEE DR16 includes about 200,000 new stellar spectra, of which 100,000 are from a new southern APOGEE instrument mounted on the 2.5 m du Pont telescope at Las Campanas Observatory in Chile. DR16 includes all data taken up to 2018 August, including data released in previous data releases. All of the data have been re-reduced and re-analyzed using the latest pipelines, resulting in a total of 473,307 spectra of 437,445 stars. Changes to the analysis methods for this release include, but are not limited to, the use of MARCS model atmospheres for calculation of the entire main grid of synthetic spectra used in the analysis, a new method for filling "holes" in the grids due to unconverged model atmospheres, and a new scheme for continuum normalization. Abundances of the neutron-capture element Ce are included for the first time. A new scheme for estimating uncertainties of the derived quantities using stars with multiple observations has been applied, and calibrated values of surface gravities for dwarf stars are now supplied. Compared to DR14, the radial velocities derived for this release more closely match those in the Gaia DR2 database, and a clear improvement in the spectral analysis of the coolest giants can be seen. The reduced spectra as well as the result of the analysis can be downloaded using links provided on the SDSS DR16 web page.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Nyckelord

Galactic abundances
Galaxy radial velocities
Stellar abundances
Near infrared astronomy
High resolution spectroscopy

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