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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, Calen B.; Poleski, Radosław; Penny, Matthew; Street, Rachel A.; Bennett, David P.; Hogg, David W.; Scott Gaudi, B.; Microlensing Science Team, K2 Campaign 9; Zhu, W.; Barclay, T.; Barentsen, G.; Howell, S.B.; Mullally, F.; Udalski, A.; Szymański, M.K.; Skowron, J.; Mróz, P.; Kozłowski, S.; Ł. Wyrzykowski; Pietrukowicz, P.; Soszyński, I.; Ulaczyk, K.; Pawlak, M.; OGLE Project, The; Sumi, T.; Abe, F.; Asakura, Y.; Barry, R.K.; Bhattacharya, A.; Bond, I.A.; Donachie, M.; Freeman, M.; Fukui, A.; Hirao, Y.; Itow, Y.; Koshimoto, N.; Li, M.C.A.; Ling, C.H.; Masuda, K.; Matsubara, Y.; Muraki, Y.; Nagakane, M.; Ohnishi, K.; Oyokawa, H.; Rattenbury, N.; To. Saito; Sharan, A.; Sullivan, D.J.; Tristram, P.J.; Yonehara, A.; MOA Collaboration, The; Bachelet, E.; Bramich, D.M.; Cassan, A.; Dominik, M.; Figuera Jaimes, R.; Horne, K.; Hundertmark, M.; Mao, S.; Ranc, C.; Schmidt, R.; Snodgrass, C.; Steele, I.A.; Tsapras, Y.; Wambsganss, J.; RoboNet Project, The; Bozza, V.; Burgdorf, M.J.; Jør...

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


Authors

Calen B. Henderson

Radosław Poleski

Matthew Penny

Rachel A. Street

David P. Bennett

David W. Hogg

B. Scott Gaudi

K2 Campaign 9 Microlensing Science Team

W. Zhu

T. Barclay

G. Barentsen

S.B. Howell

F. Mullally

A. Udalski

M.K. Szymański

J. Skowron

P. Mróz

S. Kozłowski

Ł. Wyrzykowski

P. Pietrukowicz

I. Soszyński

K. Ulaczyk

M. Pawlak

The OGLE Project

T. Sumi

F. Abe

Y. Asakura

R.K. Barry

A. Bhattacharya

I.A. Bond

M. Donachie

M. Freeman

A. Fukui

Y. Hirao

Y. Itow

N. Koshimoto

M.C.A. Li

C.H. Ling

K. Masuda

Y. Matsubara

Y. Muraki

M. Nagakane

K. Ohnishi

H. Oyokawa

N. Rattenbury

To. Saito

A. Sharan

D.J. Sullivan

P.J. Tristram

A. Yonehara

The MOA Collaboration

E. Bachelet

D.M. Bramich

A. Cassan

M. Dominik

R. Figuera Jaimes

K. Horne

M. Hundertmark

S. Mao

C. Ranc

R. Schmidt

C. Snodgrass

I.A. Steele

Y. Tsapras

J. Wambsganss

The RoboNet Project

V. Bozza

M.J. Burgdorf

U.G. Jørgensen

S. Calchi Novati

S. Ciceri

G. D'Ago

D.F. Evans

F.V. Hessman

T.C. Hinse

T. -O. Husser

L. Mancini

A. Popovas

M. Rabus

S. Rahvar

G. Scarpetta

J. Skottfelt

E. Unda-Sanzana

The MiNDSTEp Team

S.T. Bryson

D.A. Caldwell

M.R. Haas

K. Larson

K. McCalmont

M. Packard

C. Peterson

D. Putnam

L. ReedyS. Ross

J.E. Van Cleve

K2C9 Engineering Team

R. Akeson

V. Batista

J. -P. Beaulieu

C.A. Beichman

G. Bryden

D. Ciardi

A. Cole

C. Coutures

D. Foreman-Mackey

P. Fouqué

M. Friedmann

C. Gelino

S. Kaspi

E. KerinsH. Korhonen

D. Lang

C. -H. Lee

C.H. Lineweaver

D. Maoz

J. -B. Marquette

F. Mogavero

J.C. Morales

D. Nataf

R.W. Pogge

A. Santerne

Y. Shvartzvald

D. Suzuki

M. Tamura

P. Tisserand

D. Wang



Abstract

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.

Journal Article Type Article
Acceptance Date Jul 15, 2016
Online Publication Date Oct 26, 2016
Publication Date Dec 1, 2016
Publicly Available Date Mar 28, 2024
Journal Publications of the Astronomical Society of the Pacific
Print ISSN 0004-6280
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 128
Issue 124401
DOI https://doi.org/10.1088/1538-3873/128/970/124401
Keywords binaries, general, Galaxy, bulge, gravitational lensing, micro, planets and satellites, detection, planets and satellites, fundamental parameters
Publisher URL http://dx.doi.org/10.1088/1538-3873/128/970/124401

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