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The KELT Follow-Up Network and Transit False Positive Catalog: Pre-vetted False Positives for TESS | | Karen A. Collins
; Kevin I. Collins
; Joshua Pepper
; Jonathan Labadie-Bartz
; Keivan Stassun
; B. Scott Gaudi
; Daniel Bayliss
; Joao Bento
; Knicole D. Colón
; Dax Feliz
; David James
; Marshall C. Johnson
; Rudolf B. Kuhn
; Michael B. Lund
; Matthew T. Penny
; Joseph E. Rodriguez
; Robert J. Siverd
; Daniel J. Stevens
; Xinyu Yao
; George Zhou
; Mundra Akshay
; Giulio F. Aldi
; Cliff Ashcraft
; Supachai Awiphan
; Özgür Baştürk
; David Baker
; Thomas G. Beatty
; Paul Benni
; Perry Berlind
; G. Bruce Berriman
; Zach Berta-Thompson
; Allyson Bieryla
; Valerio Bozza
; Sebastiano Calchi Novati
; Michael L. Calkins
; Jenna M. Cann
; David R. Ciardi
; Ian R. Clark
; William D. Cochran
; David H. Cohen
; Dennis Conti
; Justin R. Crepp
; Ivan A. Curtis
; Giuseppe D'Ago
; Kenny A. Diazeguigure
; Courtney D. Dressing
; Franky Dubois
; Erica Ellingson
; Tyler G. Ellis
; Gilbert A. Esquerdo
; Phil Evans
; Alison Friedli
; Akihiko Fukui
; Benjamin J. Fulton
; Erica J. Gonzales
; John C. Good
; Joao Gregorio
; Tolga Gumusayak
; Daniel A. Hancock
; Caleb K. Harada
; Rhodes Hart
; Eric G. Hintz
; Hannah Jang-Condell
; Elizabeth J. Jeffery
; Eric L. N. Jensen
; Emiliano Jofré
; Michael D. Joner
; Aman Kar
; David H. Kasper
; Burak Keten
; John F. Kielkopf
; Siramas Komonjinda
; Cliff Kotnik
; David W. Latham
; Jacob Leuquire
; Tiffany R. Lewis
; Ludwig Logie
; Simon J. Lowther
; Phillip J. MacQueen
; Trevor J. Martin
; Dimitri Mawet
; Kim K. McLeod
; Gabriel Murawski
; Norio Narita
; Jim Nordhausen
; Thomas E. Oberst
; Caroline Odden
; Peter A. Panka
; Romina Petrucci
; Peter Plavchan
; Samuel N. Quinn
; Steve Rau
; Phillip A. Reed
; Howard Relles
; Joe P. Renaud
; Gaetano Scarpetta
; Rebecca L. Sorber
; Alex D. Spencer
; Michelle Spencer
; Denise C. Stephens
; Chris Stockdale
; Thiam-Guan Tan
; Mark Trueblood
; Patricia Trueblood
; Siegfried Vanaverbeke
; Steven Villanueva Jr.
; Elizabeth M. Warner
; Mary Lou West
; Selçuk Yalçınkaya
; Rex Yeigh
; Roberto Zambelli
; | | Date: |
5 Mar 2018 | | Abstract: | The Kilodegree Extremely Little Telescope (KELT) project has been conducting
a photometric survey for transiting planets orbiting bright stars for over ten
years. The KELT images have a pixel scale of ~23 arsec per pixel (similar to
TESS) and a large point spread function, and the KELT reduction pipeline uses a
weighted photometric aperture with radius 3 arcmin. At this angular scale,
multiple stars are typically blended in the photometric apertures. In order to
identify false positives and confirm transiting exoplanets, we have assembled a
follow-up network (KELT-FUN) to conduct imaging with higher spatial resolution,
cadence, and photometric precision than the KELT telescopes, as well as
spectroscopic observations of the candidate host stars. The KELT-FUN team has
followed-up over 1,600 planet candidates since 2011, resulting in more than 20
planet discoveries. We present an all-sky catalog of 1,081 bright stars
(6<V<13) that show transit-like features in the KELT light curves. These stars
were originally identified as planet candidates, but were subsequently
determined to be astrophysical false positives (FPs) after photometric and/or
spectroscopic follow-up observations. The remaining ~500 retired planet
candidates have been classified as false alarms (instrumental or systematic
noise). The KELT-FUN team continues to pursue KELT and other planet candidates
and will eventually follow up certain classes of TESS candidates. The KELT FP
catalog will help minimize the duplication of follow-up observations by current
and future transit surveys such as TESS. | | Source: | arXiv, 1803.1869 | | Services: | Forum | Review | PDF | Favorites | |
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