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

Henderson, CB and Poleski, R and Penny, M and Street, RA and Bennett, DP and Hogg, DW and Gaudi, BS and Zhu, W and Barclay, T and Barentsen, G and Howell, SB and Mullally, F and Udalski, A and Szymanski, MK and Skowron, J and Mroz, P and Kozlowski, S and Wyrzykowski, L and Pietrukowicz, P and Soszynski, I and Ulaczyk, K and Pawlak, M and Sumi, T and Abe, F and Asakura, Y and Barry, RK and Bhattacharya, A and Bond, IA and Donachie, M and Freeman, M and Fukui, A and Hirao, Y and Itow, Y and Koshimoto, N and Li, MCA and Ling, CH and Masuda, K and Matsubara, Y and Muraki, Y and Nagakane, M and Ohnishi, K and Oyokawa, H and Rattenbury, N and Saito, T and Sharan, A and Sullivan, J and Tristram, PJ and Yonehara, A and Bachelet, E and Bramich, DM and Cassan, A and Dominik, M and Jaimes, RF and Horne, K and Hundertmark, M and Mao, S and Ranc, C and Schmidt, R and Snodgrass, C and Steele, IA and Tsapras, Y and Wambsganss, J and Bozza, V and Burgdorf, MJ and Jorgensen, UG and Novati, SC and Ciceri, S and D'Ago, G and Evans, DF and Hessman, FV and Hinse, TC and Husser, T-O and Mancini, L and Popovas, A and Rabus, M and Rahvar, S and Scarpetta, G and Skottfelt, J and Southworth, J and Unda-Sanzana, E and Bryson, ST and Caldwell, DA and Haas, MR and Larson, K and McCalmont, K and Packard, M and Peterson, C and Putnam, D and Reedy, L and Ross, S and Van Cleve, JE and Akeson, R and Batista, V and Beaulieu, J-P and Beichman, CA and Bryden, G and Ciardi, D and Cole, A and Coutures, C and Foreman-Mackey, D and Fouque, P and Friedmann, M and Gelino, C and Kaspi, S and Kerins, E and Korhonen, H and Lang, D and Lee, C-H and Lineweaver, CH and Maoz, D and Marquette, J-B and Mogavero, F and Morales, JC and Nataf, D and Pogge, RW and Santerne, A and Shvartzvald, Y and Suzuki, D and Tamura, M and Tisserand, P and Wang, D (2016) Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 128 (970). ISSN 0004-6280

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K2's Campaign 9 (K2C9) will conduct a ~3.7 deg2 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 ${\pi }_{{\rm{E}}}$ for $\gtrsim 170$ 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.

Item Type: Article
Uncontrolled Keywords: 0201 Astronomical And Space Sciences
Subjects: Q Science > QB Astronomy
Divisions: Astrophysics Research Institute
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Date Deposited: 11 Apr 2017 15:05
Last Modified: 26 Oct 2017 00:50
DOI or Identification number: 10.1088/1538-3873/128/970/124401
URI: http://researchonline.ljmu.ac.uk/id/eprint/6247

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