A Search of the Full Six Years of the Dark Energy Survey for Outer Solar System Objects

被引：50

作者：

Bernardinelli, Pedro H. ^{[1
]}

Bernstein, Gary M. ^{[1
]}

Sako, Masao ^{[1
]}

Yanny, Brian ^{[2
]}

Aguena, M. ^{[3
]}

Allam, S. ^{[2
]}

Andrade-Oliveira, F. ^{[3
,4
]}

Bertin, E. ^{[5
,6
]}

Brooks, D. ^{[7
]}

Buckley-Geer, E. ^{[2
,8
]}

Burke, D. L. ^{[9
,10
]}

Rosell, A. Carnero ^{[3
]}

Kind, M. Carrasco ^{[11
,12
]}

Carretero, J. ^{[13
]}

Conselice, C. ^{[14
,15
]}

Costanzi, M. ^{[16
,17
,18
]}

da Costa, L. N. ^{[3
,19
]}

De Vicente, J. ^{[20
]}

Desai, S. ^{[21
]}

Diehl, H. T. ^{[2
]}

Dietrich, J. P. ^{[22
]}

Doel, P. ^{[7
]}

Eckert, K. ^{[1
]}

Everett, S. ^{[23
]}

Ferrero, I ^{[24
]}

Flaugher, B. ^{[2
]}

Fosalba, P. ^{[25
,26
]}

Frieman, J. ^{[2
,27
]}

Garcia-Bellido, J. ^{[28
]}

Gerdes, D. W. ^{[29
,30
]}

Gruen, D. ^{[22
]}

Gruendl, R. A. ^{[11
,12
]}

Gschwend, J. ^{[3
,19
]}

Hinton, S. R. ^{[31
]}

Hollowood, D. L. ^{[23
]}

Honscheid, K. ^{[32
,33
]}

James, D. J. ^{[34
]}

Kent, S. ^{[2
,27
]}

Kuehn, K. ^{[35
,36
]}

Kuropatkin, N. ^{[2
]}

Lahav, O. ^{[7
]}

Maia, M. A. G. ^{[3
,19
]}

March, M. ^{[1
]}

Menanteau, F. ^{[11
,12
]}

Miquel, R. ^{[13
,37
]}

Morgan, R. ^{[38
]}

Myles, J. ^{[9
,10
,39
]}

Ogando, R. L. C. ^{[3
,19
]}

Palmese, A. ^{[2
,27
]}

Paz-Chinchon, F. ^{[11
,40
]}

机构：

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

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

[3] Lab Interinst E Astron LIneA, Rua Gal Jose Cristino 77, BR-20921400 Rio De Janeiro, RJ, Brazil

[4] Univ Estadual Paulista, Inst Fis Teor, Sao Paulo, Brazil

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

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

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

[8] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

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

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

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

[12] Univ Illinois, Dept Astron, 1002 West Green St, Urbana, IL 61801 USA

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

[14] Univ Manchester, Jodrell Bank Ctr Astrophys, Sch Phys & Astron, Oxford Rd, Manchester M13 9PL, Lancs, England

[15] Univ Nottingham, Sch Phys & Astron, Nottingham NG7 2RD, England

[16] Univ Trieste, Dept Phys, Astron Unit, Via Tiepolo 11, I-34131 Trieste, Italy

[17] INAF Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy

[18] Inst Fundamental Phys Universe, Via Beirut 2, I-34014 Trieste, Italy

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

[20] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain

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

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

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

[24] Univ Oslo, Inst Theoret Astrophys, POB 1029, NO-0315 Oslo, Norway

[25] Inst Estudis Espacials Catalunya IEEC, E-08034 Barcelona, Spain

[26] CSIC, Inst Space Sci ICE, Campus UAB,Caner Can Magrans S-N, E-08193 Barcelona, Spain

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

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

[29] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

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

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

[32] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[33] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

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

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

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

[37] Inst Catalana Recerca & Estudis Avancats, E-08010 Barcelona, Spain

[38] Univ Wisconsin, Phys Dept, 2320 Chamberlin Hall,1150 Univ Ave, Madison, WI 53706 USA

[39] Stanford Univ, Dept Phys, 382 Via Pueblo Mall, Stanford, CA 94305 USA

[40] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

[41] Princeton Univ, Dept Astrophys Sci, Peyton Hall, Princeton, NJ 08544 USA

[42] Univ Sussex, Dept Phys & Astron, Pevensey Bldg, Brighton BN1 9QH, E Sussex, England

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

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

[45] Max Planck Inst Extraterr Phys, Giessenbachstr, D-85748 Garching, Germany

[46] Ludwig Maximilians Univ Munchen, Fak Phys, Univ Sternwarte, Scheinerstr 1, D-81679 Munich, Germany

[47] NSFs NOIRLab, Cerro Tololo Interamer Observ, Casilla 603, La Serena, Chile

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2022年 / 258卷 / 02期

基金：

英国科学技术设施理事会; 欧洲研究理事会; 美国国家科学基金会;

关键词：

TRANS-NEPTUNIAN OBJECTS; DEEP ECLIPTIC SURVEY; KUIPER-BELT OBJECTS; DYNAMICAL CLASSIFICATION; DATA RELEASE; ORIGIN; ORBIT; DISCOVERY; MIGRATION; CENTAURS;

D O I：

10.3847/1538-4365/ac3914

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a search for outer solar system objects in the 6 yr of data from the Dark Energy Survey (DES). The DES covered a contiguous 5000 deg(2) of the southern sky with approximate to 80,000 3 deg(2) exposures in the grizY filters between 2013 and 2019. This search yielded 812 trans-Neptunian objects (TNOs), one Centaur and one Oort cloud comet, 458 reported here for the first time. We present methodology that builds upon our previous search on the first 4 yr of data. All images were reprocessed with an optimized detection pipeline that leads to an average completeness gain of 0.47 mag per exposure, as well as improved transient catalog production and algorithms for linkage of detections into orbits. All objects were verified by visual inspection and by the "sub-threshold significance," the signal-to-noise ratio in the stack of images in which its presence is indicated by the orbit, but no detection was reported. This yields a pure catalog complete to r approximate to 23.8 mag and distances 29 < d < 2500 au. The TNOs have minimum (median) of 7 (12) nights' detections and arcs of 1.1 (4.2) yr, and will have grizY magnitudes available in a further publication. We present software for simulating our observational biases for comparisons of models to our detections. Initial inferences demonstrating the catalog's statistical power are: the data are inconsistent with the CFEPS-L7 model for the classical Kuiper Belt; the 16 "extreme" TNOs (a > 150 au, q > 30 au) are consistent with the null hypothesis of azimuthal isotropy; and nonresonant TNOs with q > 38 au, a > 50 au show a significant tendency to be sunward of major mean-motion resonances.

引用

页数：20

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