Sökning: WFRF:(Fernandez Trincado J. G.)
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The chemical compos...
The chemical compositions of accreted and in situ galactic globular clusters according to SDSS/APOGEE
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- Horta, Danny (författare)
- Liverpool John Moores Univ, Astrophys Res Inst, 146 Brownlow Hill, Liverpool L3 5RF, Merseyside, England.,Liverpool John Moores University
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- Schiavon, Ricardo P. (författare)
- Liverpool John Moores Univ, Astrophys Res Inst, 146 Brownlow Hill, Liverpool L3 5RF, Merseyside, England.,Liverpool John Moores University
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- Mackereth, J. Ted (författare)
- Liverpool John Moores Univ, Astrophys Res Inst, 146 Brownlow Hill, Liverpool L3 5RF, Merseyside, England.;Univ Birmingham, Sch Astron & Astrophys, Birmingham B15 2TT, W Midlands, England.,Liverpool John Moores University,University of Birmingham
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- Beers, Timothy C. (författare)
- Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA.;Univ Notre Dame, JINA Ctr Evolut Elements, Notre Dame, IN 46556 USA.,University of Notre Dame
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- Fernandez-Trincado, Jose G. (författare)
- Univ Atacama, Inst Astronom & Ciencias Planetarias, Copayapu 485, Copiapo, Chile.,University of Atacama
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- Frinchaboy, Peter M. (författare)
- Texas Christian Univ, Dept Phys & Astron, Ft Worth, Ft Worth, TX 76129 USA.,Texas Christian University
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- Garcia-Hernandez, D. A. (författare)
- IAC, E-38205 Tenerife, Spain.;Univ La Laguna ULL, Dept Astrofis, E-38206 Tenerife, Spain.,University of La Laguna (ULL),Instituto de Astrofísica de Canarias
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- Geisler, Doug (författare)
- Univ Concepcion, Dept Astron, Casilla 160-C, Concepcion, Chile.;Univ La Serena, Fac Ciencias, Dept Astron, Av Juan Cisternas 1200, La Serena, Chile.,University of Concepción,Universidad de La Serena
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- Hasselquist, Sten (författare)
- New Mexico State Univ, Las Cruces, NM 88003 USA.;Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.,New Mexico State University,University of Utah
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- Jönsson, Henrik (författare)
- Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),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
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- Lane, Richard R. (författare)
- Univ Atacama, Inst Astron & Ciencias Planetaria, Copayapu 485, Copiapo, Chile.;Pontificia Univ Catolica Chile, Inst Astrofis, Av Vicuna Mackenna 4860, Santiago 7820436, Chile.,Pontifical Catholic University of Chile,University of Atacama
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- Majewski, Steven R. (författare)
- Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA.,University of Virginia
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- Meszaros, Szabolcs (författare)
- Eotvos Lorand Univ, Gothard Astrophys Observ, ELTE, Szent Imre H St 112, H-9700 Szombathely, Hungary.;ELTE Exoplanet Res Grp, MTA, Szent Imre H St 112, H-9700 Szombathely, Hungary.,Eötvös Loránd University
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- Moni Bidin, Christian (författare)
- Univ Catolica Norte, Inst Astron, Av Angamos 0610, Antofagasta, Chile.,Catholic University of the North
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- Nataf, David M. (författare)
- Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA.,Johns Hopkins University
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- Roman-Lopes, Alexandre (författare)
- Univ La Serena, Fac Ciencias, Dept Fis, Cisternas 1200, La Serena, Chile.,Universidad de La Serena
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- Nitschelm, Christian (författare)
- Univ Antofagasta, Ctr Astron CITEVA, Ave Angamos 601, Antofagasta 1270300, Chile.,University of Antofagasta
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- Vargas-Gonzalez, J. (författare)
- Univ Hertfordshire, Sch Phys Astron & Math, Ctr Astrophys Res, Coll Lane, Hatfield AL10 9AB, Herts, England.,University of Hertfordshire
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- Zasowski, Gail (författare)
- Univ Utah, Dept Phys & Astron, Salt Lake City, UT 84112 USA.,University of Utah
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Liverpool John Moores Univ, Astrophys Res Inst, 146 Brownlow Hill, Liverpool L3 5RF, Merseyside, England Liverpool John Moores University (creator_code:org_t)
- 2020-02-18
- 2020
- Engelska.
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Ingår i: Monthly notices of the Royal Astronomical Society. - : Oxford University Press. - 0035-8711 .- 1365-2966. ; 493:3, s. 3363-3378
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Studies of the kinematics and chemical compositions of Galactic globular clusters (GCs) enable the reconstruction of the history of star formation, chemical evolution, and mass assembly of the Galaxy. Using the latest data release (DR16) of the SDSS/APOGEE survey, we identify 3090 stars associated with 46 GCs. Using a previously defined kinematic association, we break the sample down into eight separate groups and examine how the kinematics-based classification maps into chemical composition space, considering only a (mostly Si and Mg) elements and Fe. Our results show that (i) the loci of both in situ and accreted subgroups in chemical space match those of their field counterparts; (ii) GCs from different individual accreted subgroups occupy the same locus in chemical space. This could either mean that they share a similar origin or that they are associated with distinct satelliteswhich underwent similar chemical enrichment histories; (iii) the chemical compositions of the GCs associated with the low orbital energy subgroup defined by Massari and collaborators is broadly consistent with an in situ origin. However, at the low-metallicity end, the distinction between accreted and in situ populations is blurred; (iv) regarding the status of GCs whose origin is ambiguous, we conclude the following: the position in Si-Fe plane suggests an in situ origin for Liller 1 and a likely accreted origin for NGC 5904 and NGC 6388. The case of NGC 288 is unclear, as its orbital properties suggest an accretion origin, its chemical composition suggests it may have formed in situ.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geokemi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geochemistry (hsv//eng)
Nyckelord
- Galaxy: formation
- Globular Clusters
- Galaxy: evolution
- Galaxy: formation
- Globular Clusters; Galaxy: evolution
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Horta, Danny
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Schiavon, Ricard ...
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Mackereth, J. Te ...
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Beers, Timothy C ...
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Fernandez-Trinca ...
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Frinchaboy, Pete ...
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Garcia-Hernandez ...
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Geisler, Doug
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Hasselquist, Ste ...
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Jönsson, Henrik
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Lane, Richard R.
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Majewski, Steven ...
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Meszaros, Szabol ...
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Moni Bidin, Chri ...
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Nataf, David M.
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Roman-Lopes, Ale ...
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Nitschelm, Chris ...
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Vargas-Gonzalez, ...
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Zasowski, Gail
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