THE OUTER SOLAR SYSTEM ORIGINS SURVEY. I. DESIGN AND FIRST-QUARTER DISCOVERIES

被引：88

作者：

Bannister, Michele T. ^{[1
,2
]}

Kavelaars, J. J. ^{[1
,2
]}

Petit, Jean-Marc ^{[3
]}

Gladman, Brett J. ^{[4
]}

Gwyn, Stephen D. J. ^{[2
]}

Chen, Ying-Tung ^{[5
]}

Volk, Kathryn ^{[6
]}

Alexandersen, Mike ^{[4
,5
]}

Benecchi, Susan D. ^{[7
]}

Delsanti, Audrey ^{[8
]}

Fraser, Wesley C. ^{[9
]}

Granvik, Mikael ^{[10
,11
]}

Grundy, Will M. ^{[12
]}

Guilbert-Lepoutre, Aurelie

Hestroffer, Daniel ^{[13
]}

Ip, Wing-Huen ^{[14
,15
]}

Jakubik, Marian ^{[16
]}

Jones, R. Lynne ^{[17
]}

Kaib, Nathan ^{[18
]}

Kavelaars, Catherine F. ^{[1
]}

Lacerda, Pedro ^{[9
]}

Lawler, Samantha ^{[2
]}

Lehner, Matthew J. ^{[5
,19
,20
]}

Lin, Hsing Wen ^{[14
]}

Lister, Tim ^{[20
]}

Lykawka, Patryk Sofia ^{[21
]}

Monty, Stephanie ^{[1
]}

Marsset, Michael ^{[22
]}

Murray-Clay, Ruth ^{[23
]}

Noll, Keith S. ^{[24
]}

Parker, Alex ^{[25
]}

Pike, Rosemary E. ^{[1
]}

Rousselot, Philippe ^{[3
]}

Rusk, David ^{[1
]}

Schwamb, Megan E. ^{[5
]}

Shankman, Cory ^{[1
]}

Sicardy, Bruno ^{[26
]}

Vernazza, Pierre

Wang, Shiang-Yu ^{[5
]}

机构：

[1] Univ Victoria, Dept Phys & Astron, Elliott Bldg,3800 Finnerty Rd, Victoria, BC V8P 5C2, Canada

[2] Natl Res Council Canada, NRC Herzberg Astron & Astrophys, 5071 West Saanich Rd, Victoria, BC V9E 2E7, Canada

[3] Univ Bourgogne Franche Comte, CNRS, Inst UTINAM UMR6213, OSU Theta, F-25000 Besancon, France

[4] Univ British Columbia, Dept Phys & Astron, Vancouver, BC, Canada

[5] Acad Sinica, Inst Astron & Astrophys, 11F AS NTU,1 Roosevelt Rd,Sec 4, Taipei 10617, Taiwan

[6] Univ Arizona, Dept Planetary Sci, Lunar & Planetary Lab, 1629 Univ Blvd, Tucson, AZ 85721 USA

[7] Planetary Sci Inst, 1700 East Ft Lowell,Suite 106, Tucson, AZ 85719 USA

[8] Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France

[9] Queens Univ Belfast, Astrophys Res Ctr, Belfast BT7 1NN, Antrim, North Ireland

[10] Univ Helsinki, Dept Phys, POB 64, FI-00014 Helsinki, Finland

[11] Finnish Geospatial Res Inst, POB 15, FI-02430 Masala, Finland

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

[13] Univ Lille 1, Univ Paris 06, CNRS, IMCCE,Observ Paris,PSL Res Univ, F-75014 Paris, France

[14] Natl Cent Univ, Inst Astron, Taoyuan, Taiwan

[15] Macau Univ Sci & Technol, Space Sci Inst, Macau, Peoples R China

[16] Slovak Acad Sci, Astron Inst, Tatranska Lomnica 05960, Slovakia

[17] Univ Washington, Washington, DC USA

[18] Univ Oklahoma, HL Dodge Dept Phys & Astron, Norman, OK 73019 USA

[19] Univ Penn, Dept Phys & Astron, 209 S 33rd St, Philadelphia, PA 19104 USA

[20] Las Cumbres Observ Global Telescope Network Inc, 6740 Cortona Dr Suite 102, Goleta, CA 93117 USA

[21] Kinki Univ, Sch Interdisciplinary Social & Human Sci, Astron Grp, Higashiosaka, Osaka 577, Japan

[22] ESO, Alonso de Cordova 3107,1900 Casilla Vitacura, Santiago, Chile

[23] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA

[24] NASA, Goddard Space Flight Ctr, Code 693, Greenbelt, MD 20771 USA

[25] Southwest Res Inst, Boulder, CO USA

[26] Univ Paris 06, Univ Paris Diderot, CNRS UMR 8109, LESIA,Observ Paris, 5 Pl Jules Janssen, F-92195 Meudon, France

来源：

ASTRONOMICAL JOURNAL | 2016年 / 152卷 / 03期

关键词：

Kuiper Belt: general; surveys; ABSOLUTE MAGNITUDE DISTRIBUTION; TRANS-NEPTUNIAN BELT; KUIPER-BELT; SIZE DISTRIBUTION; DATA RELEASE; DYNAMICAL CLASSIFICATION; ORBITAL STRUCTURE; PLANE; SEARCH; EVOLUTION;

D O I：

10.3847/0004-6256/152/3/70

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery, tracking, and detection circumstances for 85 trans-Neptunian objects (TNOs) from the first 42 deg(2) of the Outer Solar System Origins Survey. This ongoing r-band solar system survey uses the 0.9 deg(2) field of view MegaPrime camera on the 3.6m Canada-France-Hawaii Telescope. Our orbital elements for these TNOs are precise to a fractional semimajor axis uncertainty <0.1%. We achieve this precision in just two oppositions, as compared to the normal three to five oppositions, via a dense observing cadence and innovative astrometric technique. These discoveries are free of ephemeris bias, a first for large trans-Neptunian surveys. We also provide the necessary information to enable models of TNO orbital distributions to be tested against our TNO sample. We confirm the existence of a cold "kernel" of objects within the main cold classical Kuiper Belt and infer the existence of an extension of the "stirred" cold classical Kuiper Belt to at least several au beyond the 2:1 mean motion resonance with Neptune. We find that the population model of Petit et al. remains a plausible representation of the Kuiper Belt. The full survey, to be completed in 2017, will provide an exquisitely characterized sample of important resonant TNO populations, ideal for testing models of giant planet migration during the early history of the solar system.

引用

页数：25

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