Main belt asteroids taxonomical information from dark energy survey data

被引：0

作者：

Carruba, V. ^{[1
,2
]}

Camargo, J. I. B. ^{[2
,3
]}

Aljbaae, S. ^{[4
]}

Ferreira, F. S. ^{[2
,3
]}

Lin, E. ^{[5
]}

Figueiredo-Peixoto, V. ^{[2
,3
,6
]}

Banda-Huarca, M. V. ^{[2
,3
]}

Pieres, A. ^{[2
]}

Boufleur, R. C. ^{[2
,3
]}

da Costa, L. N. ^{[2
]}

Abbott, T. M. C. ^{[7
]}

Aguena, M. ^{[2
]}

Allam, Sahar S. ^{[8
]}

Alves, O. ^{[5
]}

Bernardinelli, P. H. ^{[9
]}

Bertin, E. ^{[10
,11
]}

Brooks, D. ^{[12
]}

Carnero Rosell, A. ^{[2
,13
,14
]}

Carretero, J. ^{[15
]}

Pereira, M. E. S. ^{[16
]}

Davis, T. M. ^{[17
]}

De Vicente, J. ^{[18
]}

Desai, S. ^{[19
]}

Doel, P. ^{[12
]}

Ferrero, I. ^{[20
]}

Friedel, D. ^{[21
]}

Frieman, J. ^{[8
,22
]}

Garcia-Bellido, J. ^{[23
]}

Gatti, M. ^{[24
]}

Giannini, G. ^{[15
]}

Gruen, D. ^{[25
]}

Gruendl, R. A. ^{[26
]}

Herner, K. ^{[8
]}

Hinton, S. R. ^{[17
]}

Hollowood, D. L. ^{[27
]}

James, D. J. ^{[28
]}

Kent, S. ^{[8
,22
]}

Kuehn, K. ^{[29
,30
]}

Lahav, O. ^{[12
]}

Marshall, J. L. ^{[31
,32
]}

Mena-Fernandez, J. ^{[18
]}

Miquel, R. ^{[15
,33
]}

Palmese, A. ^{[34
]}

Malagon, A. A. Plazas ^{[35
,36
]}

Rodriguez-Monroy, M. ^{[37
]}

Sanchez, E. ^{[18
]}

Santiago, B. ^{[2
,38
]}

Schubnell, M. ^{[5
]}

Smith, M. ^{[39
]}

Suchyta, E. ^{[40
]}

机构：

[1] Sao Paulo State Univ UNESP, Sch Nat Sci & Engn, BR-12516410 Guaratingueta, SP, Brazil

[2] Lab Interinst eAstron LIneA, BR-20765000 Rio De Janeiro, RJ, Brazil

[3] Observ Nacl, Rua Gal Jose Cristino 77, BR-20921400 Rio de Janeiro, RJ, Brazil

[4] Natl Space Res Inst INPE, Div Space Mech & Control, CP 515, BR-12227310 Sao Jose Dos Campos, Brazil

[5] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[6] Univ Fed Rio de Janeiro, IGeo, Av Athos,Silveira Ramos 274, BR-21841916 Rio De Janeiro, RJ, Brazil

[7] NSFs Natl Opt, Infrared Astron Res Lab, Cerro Tololo Inter Amer Observ, La Serena 603, Chile

[8] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[9] Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA

[10] Inst Astrophys Paris, CNRS, UMR 7095, F-75014 Paris, France

[11] UPMC Univ Paris 06, Sorbonne Univ, Inst Astrophys Paris, UMR 7095, F-75014 Paris, France

[12] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[13] Inst Astrofis Canarias, E-38205 San Cristobal la Laguna, Spain

[14] Univ La Laguna, Dpto AstrofAsica, E-38206 San Cristobal la Laguna, Spain

[15] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Campus UAB, E-08193 Bellaterra, Spain

[16] Univ Hamburg, Hamburger Sternwarte, Gojenbergsweg 112, D-21029 Hamburg, Germany

[17] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4072, Australia

[18] Ctr Invest Energet Medioambient & Technol CIEMAT, Madrid 28040, Spain

[19] IIT Hyderabad, Dept Phys, Kandi 502285, Telangana, India

[20] Univ Oslo, Inst Theoret Astrophys, POB 1029, N-0315 Oslo, Norway

[21] Natl Ctr Supercomp Applicat, Ctr Astrophys Surveys, 1205 West Clark St, Urbana, IL 61801 USA

[22] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[23] Univ Autonoma Madrid, Inst Fis Teor, CSIC, E-28049 Madrid, Spain

[24] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[25] Ludwig Maximilians Univ Munchen, Fac Phys, Univ Observ, Scheinerstr 1, D-81679 Munich, Germany

[26] Univ Illinois, Dept Astron, 1002 W Green St, Urbana, IL 61801 USA

[27] Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA

[28] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[29] Macquarie Univ, Australian Astron Opt, N Ryde, NSW 2113, Australia

[30] Lowell Observ, 1400 Mars Hill Rd, Flagstaff, AZ 86001 USA

[31] Texas A&M Univ, George P & Cynthia Woods Mitchell Inst Fundamenta, College Stn, TX 77843 USA

[32] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

[33] Inst Catalana Rec & Estudis Avan, E-08010 Barcelona, Spain

[34] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15312 USA

[35] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, POB 2450, Stanford, CA 94305 USA

[36] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[37] Univ Paris Saclay, CNRS, Lab Phys Infinis Irene Joliot Curie 2, Fac Sci, Bat100, F-91405 Orsay, France

[38] Univ Fed Rio Grande do Sul, Inst Fis, Caixa Postal 15051, BR-91501970 Porto Alegre, RS, Brazil

[39] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[40] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA

[41] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2023年 / 527卷 / 03期

基金：

美国国家科学基金会; 欧洲研究理事会; 英国科学技术设施理事会;

关键词：

catalogues; celestial mechanics; minor planets; asteroids: general; SPECTROSCOPIC SURVEY;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

While proper orbital elements are currently available for more than 1 million asteroids, taxonomical information is still lagging behind. Surveys like SDSS-MOC4 provided preliminary information for more than 100 000 objects, but many asteroids still lack even a basic taxonomy. In this study, we use Dark Energy Survey (DES) data to provide new information on asteroid physical properties. By cross-correlating the new DES data base with other data bases, we investigate how asteroid taxonomy is reflected in DES data. While the resolution of DES data is not sufficient to distinguish between different asteroid taxonomies within the complexes, except for V-type objects, it can provide information on whether an asteroid belongs to the C- or S-complex. Here, machine learning methods optimized through the use of genetic algorithms were used to predict the labels of more than 68 000 asteroids with no prior taxonomic information. Using a high-quality, limited set of asteroids with data on gri slopes and i - z colours, we detected 409 new possible V-type asteroids. Their orbital distribution is highly consistent with that of other known V-type objects.

引用

页码：6495 / 6505

页数：11

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