Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey

被引：48

作者：

Henderson, Calen B. ^{[1
]}

Poleski, Radoslaw ^{[2
,3
]}

Penny, Matthew ^{[2
]}

Street, Rachel A. ^{[4
]}

Bennett, David P. ^{[5
]}

Hogg, David W. ^{[6
,7
]}

Gaudi, B. Scott ^{[2
]}

Zhu, W. ^{[2
]}

Barclay, T. ^{[8
]}

Barentsen, G. ^{[8
]}

Howell, S. B. ^{[8
]}

Mullally, F. ^{[8
]}

Udalski, A. ^{[3
]}

Szymanski, M. K. ^{[3
]}

Skowron, J. ^{[3
]}

Mroz, P. ^{[3
]}

Kozlowski, S. ^{[3
]}

Wyrzykowski, L. ^{[3
]}

Pietrukowicz, P. ^{[3
]}

Soszynski, I. ^{[3
]}

Ulaczyk, K. ^{[3
]}

Pawlak, M. ^{[3
]}

Sumi, T. ^{[9
]}

Abe, F. ^{[10
]}

Asakura, Y. ^{[9
]}

Barry, R. K. ^{[5
]}

Bhattacharya, A. ^{[11
]}

Bond, I. A. ^{[12
]}

Donachie, M. ^{[13
]}

Freeman, M. ^{[13
]}

Fukui, A. ^{[14
]}

Hirao, Y. ^{[9
]}

Itow, Y. ^{[10
]}

Koshimoto, N. ^{[9
]}

Li, M. C. A. ^{[13
]}

Ling, C. H. ^{[12
]}

Masuda, K. ^{[10
]}

Matsubara, Y. ^{[10
]}

Muraki, Y. ^{[10
]}

Nagakane, M. ^{[9
]}

Ohnishi, K. ^{[15
]}

Oyokawa, H. ^{[9
]}

Rattenbury, N. ^{[13
]}

Saito, To. ^{[16
]}

Sharan, A. ^{[13
]}

Sullivan, J. ^{[17
]}

Tristram, P. J. ^{[18
]}

Yonehara, A. ^{[19
]}

Bachelet, E. ^{[4
]}

Bramich, D. M. ^{[20
]}

机构：

[1] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[2] Ohio State Univ, Dept Astron, 140 W 18th Ave, Columbus, OH 43210 USA

[3] Univ Warsaw Observ, Al Ujazdowskie 4, PL-00478 Warsaw, Poland

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

[5] NASA, Goddard Space Flight Ctr, Lab Exoplanets & Stellar Astrophys, Greenbelt, MD 20771 USA

[6] NYU, Dept Phys, Ctr Cosmol & Particle Phys, 4 Washington Pl,Room 424, New York, NY 10003 USA

[7] NYU, Ctr Data Sci, 726 Broadway,7th Floor, New York, NY 10003 USA

[8] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA

[9] Osaka Univ, Grad Sch Sci, Dept Earth & Space Sci, Toyonaka, Osaka 5600043, Japan

[10] Nagoya Univ, Inst Space Earth Environm Res, Nagoya, Aichi 4648601, Japan

[11] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA

[12] Massey Univ, Inst Informat & Math Sci, Private Bag 102-904,North Shore Mail Ctr, Auckland, New Zealand

[13] Univ Auckland, Dept Phys, Private Bag 92019, Auckland, New Zealand

[14] Natl Astron Observ Japan, Okayama Astrophys Observ, 3037-5 Honjo, Asakuchi, Okayama 7190232, Japan

[15] Nagano Natl Coll Technol, Nagano 3818550, Japan

[16] Tokyo Metropolitan Coll Aeronaut, Tokyo 1168523, Japan

[17] Victoria Univ, Sch Chem & Phys Sci, Wellington, New Zealand

[18] Mt John Univ Observ, POB 56, Lake Tekapo 8770, New Zealand

[19] Kyoto Sangyo Univ, Fac Sci, Dept Phys, Kyoto 6038555, Japan

[20] Qatar Fdn, HBKU, QEERI, Doha, Qatar

[21] UPMC Univ Paris 6, Sorbonne Univ, 98 Bis Bd Arago, F-75014 Paris, France

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

[23] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews KY16 9SS, Fife, Scotland

[24] Univ Copenhagen, Niels Bohr Inst, Oster Voldgade 5, DK-1350 Copenhagen, Denmark

[25] Univ Copenhagen, Ctr Star & Planet Format, Oster Voldgade 5, DK-1350 Copenhagen, Denmark

[26] Tsinghua Univ, Dept Phys & Ctr Astrophys, Beijing 100084, Peoples R China

[27] Chinese Acad Sci, Natl Astron Observ, 20A Datun Rd, Beijing 100012, Peoples R China

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

[29] Zentrum Univ Heidelberg ZAH, Astron Rechen Inst, D-69120 Heidelberg, Germany

[30] Open Univ, Dept Phys Sci, Planetary & Space Sci, Milton Keynes MK7 6AA, Bucks, England

[31] Liverpool John Moores Univ, Astrophys Res Inst, Liverpool CH41 1LD, Merseyside, England

[32] Univ Salerno, Dipartimento Fis ER Caianiello, Via Giovanni Paolo 2 132, I-84084 Fisciano, SA, Italy

[33] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy

[34] Univ Hamburg, Meteorol Inst, Bundesstr 55, D-20146 Hamburg, Germany

[35] CALTECH, NASA Exoplanet Sci Inst, 770 S Wilson Ave, Pasadena, CA 91125 USA

[36] IIASS, Via G Pellegrino 19, I-84019 Vietri Sul Mare, SA, Italy

[37] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany

[38] Keele Univ, Astrophys Grp, Keele ST5 5BG, Staffs, England

[39] Georg August Univ, Inst Astrophys, Friedrich Hund Pl 1, D-37077 Gottingen, Germany

[40] Korea Astron & Space Sci Inst, 776 Daedukdae Ro, Daejeon 305348, South Korea

[41] Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Ave Vicuna Mackenna 4860, Santiago 7820436, Chile

[42] Sharif Univ Technol, Dept Phys, POB 11155-9161, Tehran, Iran

[43] Open Univ, Dept Phys Sci, Ctr Elect Imaging, Milton Keynes MK7 6AA, Bucks, England

[44] Univ Antofagasta, Fac Ciencias Basicas, Unidad Astron, Avda Univ Antofagasta 02800, Antofagasta, Chile

[45] Ball Aerosp & Technol, Boulder, CO 80301 USA

[46] Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO 80303 USA

[47] CALTECH, Ctr Infrared Proc & Anal, Pasadena, CA 91125 USA

[48] Univ Tasmania, Sch Phys Sci, Private Bag 37, Hobart, Tas 7001, Australia

[49] Univ Washington, Dept Astron, Seattle, WA 98195 USA

[50] CFHT Corp, 65-1238 Mamalahoa Hwy, Kamuela, HI 96743 USA

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 2016年 / 128卷 / 970期

基金：

中国国家自然科学基金; 美国国家航空航天局;

关键词：

binaries: general; Galaxy: bulge; gravitational lensing: micro; planets and satellites: detection; planets and satellites: fundamental parameters; GRAVITATIONAL LENSING EXPERIMENT; SYNTHESIZING EXOPLANET DEMOGRAPHICS; PARALLAX SATELLITE MASS; OGLE-III; GALACTIC BULGE; SPITZER OBSERVATIONS; TERRESTRIAL PLANET; RADIAL-VELOCITY; M DWARF; EVENT;

D O I：

10.1088/1538-3873/128/970/124401

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

K2's Campaign 9 (K2C9) will conduct a similar to 3.7 deg(2) survey toward the Galactic bulge from 2016 April 22 through July 2 that will leverage the spatial separation between K2 and the Earth to facilitate measurement of the microlens parallax pi(E) for greater than or similar to 170 microlensing events. These will include several that are planetary in nature as well as many short-timescale microlensing events, which are potentially indicative of free-floating planets (FFPs). These satellite parallax measurements will in turn allow for the direct measurement of the masses of and distances to the lensing systems. In this article we provide an overview of the K2C9 space-and ground-based microlensing survey. Specifically, we detail the demographic questions that can be addressed by this program, including the frequency of FFPs and the Galactic distribution of exoplanets, the observational parameters of K2C9, and the array of resources dedicated to concurrent observations. Finally, we outline the avenues through which the larger community can become involved, and generally encourage participation in K2C9, which constitutes an important pathfinding mission and community exercise in anticipation of WFIRST.

引用

页数：22

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