Skip to content
Back to outputs

Physical properties of star clusters in the outer LMC as observed by the DES

Research output: Contribution to journalArticle

Standard

Physical properties of star clusters in the outer LMC as observed by the DES. / Pieres, A.; Santiago, B.; Balbinot, E.; Luque, E.; Queiroz, A. B. A.; Costa, L. N. da; Maia, M. A. G.; Drlica-Wagner, A.; Roodman, A.; Abbott, C.; Allam, S.; Benoit-Levy, A.; Bertin, E.; Brooks, D.; Buckley-Geer, E.; Burke, D. L.; Rosell, A. Carnero; Kind, M. Carrasco; Carretero, J.; Cunha, C. E.; Desai, S.; Diehl, H. T.; Eifler, T. F.; Finley, D. A.; Flaugher, B.; Fosalba, P.; Frieman, J.; Gerdes, D. W.; Gruen, D.; Gruendl, R. A.; Gutierrez, G.; Honscheid, K.; James, D. J.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; Li, T. S.; Marshall, J. L.; Martini, P.; Miller, C. J.; Miquel, R.; Nichol, R. C.; Nord, B.; Ogando, R.; Plazas, A. A.; Romer, A. K.; Sanchez, E.; Scarpine, V.; Schubnell, M.; Sevilla-Noarbe, I.; Smith, R. C.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Thaler, J.; Thomas, D.; Tucker, D.; Walker, A. R.

In: Monthly Notices of the Royal Astronomical Society, Vol. 461, No. 1, 01.09.2016, p. 519-541.

Research output: Contribution to journalArticle

Harvard

Pieres, A, Santiago, B, Balbinot, E, Luque, E, Queiroz, ABA, Costa, LND, Maia, MAG, Drlica-Wagner, A, Roodman, A, Abbott, C, Allam, S, Benoit-Levy, A, Bertin, E, Brooks, D, Buckley-Geer, E, Burke, DL, Rosell, AC, Kind, MC, Carretero, J, Cunha, CE, Desai, S, Diehl, HT, Eifler, TF, Finley, DA, Flaugher, B, Fosalba, P, Frieman, J, Gerdes, DW, Gruen, D, Gruendl, RA, Gutierrez, G, Honscheid, K, James, DJ, Kuehn, K, Kuropatkin, N, Lahav, O, Li, TS, Marshall, JL, Martini, P, Miller, CJ, Miquel, R, Nichol, RC, Nord, B, Ogando, R, Plazas, AA, Romer, AK, Sanchez, E, Scarpine, V, Schubnell, M, Sevilla-Noarbe, I, Smith, RC, Soares-Santos, M, Sobreira, F, Suchyta, E, Swanson, MEC, Tarle, G, Thaler, J, Thomas, D, Tucker, D & Walker, AR 2016, 'Physical properties of star clusters in the outer LMC as observed by the DES', Monthly Notices of the Royal Astronomical Society, vol. 461, no. 1, pp. 519-541. https://doi.org/10.1093/mnras/stw1260

APA

Pieres, A., Santiago, B., Balbinot, E., Luque, E., Queiroz, A. B. A., Costa, L. N. D., ... Walker, A. R. (2016). Physical properties of star clusters in the outer LMC as observed by the DES. Monthly Notices of the Royal Astronomical Society, 461(1), 519-541. https://doi.org/10.1093/mnras/stw1260

Vancouver

Pieres A, Santiago B, Balbinot E, Luque E, Queiroz ABA, Costa LND et al. Physical properties of star clusters in the outer LMC as observed by the DES. Monthly Notices of the Royal Astronomical Society. 2016 Sep 1;461(1):519-541. https://doi.org/10.1093/mnras/stw1260

Author

Pieres, A. ; Santiago, B. ; Balbinot, E. ; Luque, E. ; Queiroz, A. B. A. ; Costa, L. N. da ; Maia, M. A. G. ; Drlica-Wagner, A. ; Roodman, A. ; Abbott, C. ; Allam, S. ; Benoit-Levy, A. ; Bertin, E. ; Brooks, D. ; Buckley-Geer, E. ; Burke, D. L. ; Rosell, A. Carnero ; Kind, M. Carrasco ; Carretero, J. ; Cunha, C. E. ; Desai, S. ; Diehl, H. T. ; Eifler, T. F. ; Finley, D. A. ; Flaugher, B. ; Fosalba, P. ; Frieman, J. ; Gerdes, D. W. ; Gruen, D. ; Gruendl, R. A. ; Gutierrez, G. ; Honscheid, K. ; James, D. J. ; Kuehn, K. ; Kuropatkin, N. ; Lahav, O. ; Li, T. S. ; Marshall, J. L. ; Martini, P. ; Miller, C. J. ; Miquel, R. ; Nichol, R. C. ; Nord, B. ; Ogando, R. ; Plazas, A. A. ; Romer, A. K. ; Sanchez, E. ; Scarpine, V. ; Schubnell, M. ; Sevilla-Noarbe, I. ; Smith, R. C. ; Soares-Santos, M. ; Sobreira, F. ; Suchyta, E. ; Swanson, M. E. C. ; Tarle, G. ; Thaler, J. ; Thomas, D. ; Tucker, D. ; Walker, A. R. / Physical properties of star clusters in the outer LMC as observed by the DES. In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 461, No. 1. pp. 519-541.

Bibtex

@article{88f1279c3a4f4a9aa8d0cb52be27c0e6,
title = "Physical properties of star clusters in the outer LMC as observed by the DES",
abstract = "The Large Magellanic Cloud (LMC) harbours a rich and diverse system of star clusters, whose ages, chemical abundances and positions provide information about the LMC history of star formation. We use Science Verification imaging data from the Dark Energy Survey (DES) to increase the census of known star clusters in the outer LMC and to derive physical parameters for a large sample of such objects using a spatially and photometrically homogeneous data set. Our sample contains 255 visually identified cluster candidates, of which 109 were not listed in any previous catalogue. We quantify the crowding effect for the stellar sample produced by the DES Data Management pipeline and conclude that the stellar completeness is <10 per cent inside typical LMC cluster cores. We therefore reanalysed the DES co-add images around each candidate cluster and remeasured positions and magnitudes for their stars. We also implement a maximum-likelihood method to fit individual density profiles and colour–magnitude diagrams. For 117 (from a total of 255) of the cluster candidates (28 uncatalogued clusters), we obtain reliable ages, metallicities, distance moduli and structural parameters, confirming their nature as physical systems. The distribution of cluster metallicities shows a radial dependence, with no clusters more metal rich than [Fe/H] ≃ −0.7 beyond 8 kpc from the LMC centre. The age distribution has two peaks at ≃1.2 and ≃2.7 Gyr.",
keywords = "astro-ph.GA, RCUK, STFC, methods: statistical, Magellanic Cloud, galaxies: star clusters: general",
author = "A. Pieres and B. Santiago and E. Balbinot and E. Luque and Queiroz, {A. B. A.} and Costa, {L. N. da} and Maia, {M. A. G.} and A. Drlica-Wagner and A. Roodman and C. Abbott and S. Allam and A. Benoit-Levy and E. Bertin and D. Brooks and E. Buckley-Geer and Burke, {D. L.} and Rosell, {A. Carnero} and Kind, {M. Carrasco} and J. Carretero and Cunha, {C. E.} and S. Desai and Diehl, {H. T.} and Eifler, {T. F.} and Finley, {D. A.} and B. Flaugher and P. Fosalba and J. Frieman and Gerdes, {D. W.} and D. Gruen and Gruendl, {R. A.} and G. Gutierrez and K. Honscheid and James, {D. J.} and K. Kuehn and N. Kuropatkin and O. Lahav and Li, {T. S.} and Marshall, {J. L.} and P. Martini and Miller, {C. J.} and R. Miquel and Nichol, {R. C.} and B. Nord and R. Ogando and Plazas, {A. A.} and Romer, {A. K.} and E. Sanchez and V. Scarpine and M. Schubnell and I. Sevilla-Noarbe and Smith, {R. C.} and M. Soares-Santos and F. Sobreira and E. Suchyta and Swanson, {M. E. C.} and G. Tarle and J. Thaler and D. Thomas and D. Tucker and Walker, {A. R.}",
note = "41 pages, 16 figures, 1 appendix",
year = "2016",
month = "9",
day = "1",
doi = "10.1093/mnras/stw1260",
language = "English",
volume = "461",
pages = "519--541",
journal = "MNRAS",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "1",

}

RIS

TY - JOUR

T1 - Physical properties of star clusters in the outer LMC as observed by the DES

AU - Pieres, A.

AU - Santiago, B.

AU - Balbinot, E.

AU - Luque, E.

AU - Queiroz, A. B. A.

AU - Costa, L. N. da

AU - Maia, M. A. G.

AU - Drlica-Wagner, A.

AU - Roodman, A.

AU - Abbott, C.

AU - Allam, S.

AU - Benoit-Levy, A.

AU - Bertin, E.

AU - Brooks, D.

AU - Buckley-Geer, E.

AU - Burke, D. L.

AU - Rosell, A. Carnero

AU - Kind, M. Carrasco

AU - Carretero, J.

AU - Cunha, C. E.

AU - Desai, S.

AU - Diehl, H. T.

AU - Eifler, T. F.

AU - Finley, D. A.

AU - Flaugher, B.

AU - Fosalba, P.

AU - Frieman, J.

AU - Gerdes, D. W.

AU - Gruen, D.

AU - Gruendl, R. A.

AU - Gutierrez, G.

AU - Honscheid, K.

AU - James, D. J.

AU - Kuehn, K.

AU - Kuropatkin, N.

AU - Lahav, O.

AU - Li, T. S.

AU - Marshall, J. L.

AU - Martini, P.

AU - Miller, C. J.

AU - Miquel, R.

AU - Nichol, R. C.

AU - Nord, B.

AU - Ogando, R.

AU - Plazas, A. A.

AU - Romer, A. K.

AU - Sanchez, E.

AU - Scarpine, V.

AU - Schubnell, M.

AU - Sevilla-Noarbe, I.

AU - Smith, R. C.

AU - Soares-Santos, M.

AU - Sobreira, F.

AU - Suchyta, E.

AU - Swanson, M. E. C.

AU - Tarle, G.

AU - Thaler, J.

AU - Thomas, D.

AU - Tucker, D.

AU - Walker, A. R.

N1 - 41 pages, 16 figures, 1 appendix

PY - 2016/9/1

Y1 - 2016/9/1

N2 - The Large Magellanic Cloud (LMC) harbours a rich and diverse system of star clusters, whose ages, chemical abundances and positions provide information about the LMC history of star formation. We use Science Verification imaging data from the Dark Energy Survey (DES) to increase the census of known star clusters in the outer LMC and to derive physical parameters for a large sample of such objects using a spatially and photometrically homogeneous data set. Our sample contains 255 visually identified cluster candidates, of which 109 were not listed in any previous catalogue. We quantify the crowding effect for the stellar sample produced by the DES Data Management pipeline and conclude that the stellar completeness is <10 per cent inside typical LMC cluster cores. We therefore reanalysed the DES co-add images around each candidate cluster and remeasured positions and magnitudes for their stars. We also implement a maximum-likelihood method to fit individual density profiles and colour–magnitude diagrams. For 117 (from a total of 255) of the cluster candidates (28 uncatalogued clusters), we obtain reliable ages, metallicities, distance moduli and structural parameters, confirming their nature as physical systems. The distribution of cluster metallicities shows a radial dependence, with no clusters more metal rich than [Fe/H] ≃ −0.7 beyond 8 kpc from the LMC centre. The age distribution has two peaks at ≃1.2 and ≃2.7 Gyr.

AB - The Large Magellanic Cloud (LMC) harbours a rich and diverse system of star clusters, whose ages, chemical abundances and positions provide information about the LMC history of star formation. We use Science Verification imaging data from the Dark Energy Survey (DES) to increase the census of known star clusters in the outer LMC and to derive physical parameters for a large sample of such objects using a spatially and photometrically homogeneous data set. Our sample contains 255 visually identified cluster candidates, of which 109 were not listed in any previous catalogue. We quantify the crowding effect for the stellar sample produced by the DES Data Management pipeline and conclude that the stellar completeness is <10 per cent inside typical LMC cluster cores. We therefore reanalysed the DES co-add images around each candidate cluster and remeasured positions and magnitudes for their stars. We also implement a maximum-likelihood method to fit individual density profiles and colour–magnitude diagrams. For 117 (from a total of 255) of the cluster candidates (28 uncatalogued clusters), we obtain reliable ages, metallicities, distance moduli and structural parameters, confirming their nature as physical systems. The distribution of cluster metallicities shows a radial dependence, with no clusters more metal rich than [Fe/H] ≃ −0.7 beyond 8 kpc from the LMC centre. The age distribution has two peaks at ≃1.2 and ≃2.7 Gyr.

KW - astro-ph.GA

KW - RCUK

KW - STFC

KW - methods: statistical

KW - Magellanic Cloud

KW - galaxies: star clusters: general

U2 - 10.1093/mnras/stw1260

DO - 10.1093/mnras/stw1260

M3 - Article

VL - 461

SP - 519

EP - 541

JO - MNRAS

JF - MNRAS

SN - 0035-8711

IS - 1

ER -

ID: 5519611