S
Simon J. O'Toole
Researcher at Australian Astronomical Observatory
Publications - 213
Citations - 8556
Simon J. O'Toole is an academic researcher from Australian Astronomical Observatory. The author has contributed to research in topics: Stars & Radial velocity. The author has an hindex of 56, co-authored 208 publications receiving 7969 citations. Previous affiliations of Simon J. O'Toole include American Academy of Ophthalmology & Macquarie University.
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Journal ArticleDOI
The GALAH survey: scientific motivation
G. M. De Silva,G. M. De Silva,Kenneth C. Freeman,Joss Bland-Hawthorn,Sarah L. Martell,E. Wylie de Boer,Martin Asplund,Stefan Keller,Sanjib Sharma,Daniel B. Zucker,Tomaž Zwitter,Borja Anguiano,Carlos Bacigalupo,Daniel Bayliss,M.A. Beavis,Maria Bergemann,Simon Campbell,Russell D. Cannon,Daniela Carollo,Luca Casagrande,Andrew R. Casey,G. S. Da Costa,Valentina D'Orazi,Valentina D'Orazi,Aaron Dotter,Ly Duong,Alexander Heger,Alexander Heger,Alexander Heger,Michael J. Ireland,Prajwal R. Kafle,Janez Kos,John C. Lattanzio,Geraint F. Lewis,J. Lin,Karin Lind,Ulisse Munari,David M. Nataf,Simon J. O'Toole,Quentin A. Parker,Warren A. Reid,Katharine J. Schlesinger,Andrew I. Sheinis,Jeffrey D. Simpson,Dennis Stello,Yuan-Sen Ting,Gregor Traven,Fred G. Watson,Robert A. Wittenmyer,David Yong,M. Žerjal +50 more
TL;DR: The Galactic Archaeology with HERMES (GALAH) survey is a large high-resolution spectroscopic survey using the newly commissioned High Efficiency and Resolution Multi-element Spectrograph (HERMES) on the Anglo-Australian Telescope as discussed by the authors.
Journal ArticleDOI
The SAMI Galaxy Survey: Instrument specification and target selection
Julia J. Bryant,Julia J. Bryant,Matt S. Owers,Aaron S. G. Robotham,Scott M. Croom,Simon P. Driver,Simon P. Driver,Michael J. Drinkwater,Nuria P. F. Lorente,Luca Cortese,Nicholas Scott,Matthew Colless,Adam L. Schaefer,Adam L. Schaefer,Edward N. Taylor,I. S. Konstantopoulos,I. S. Konstantopoulos,J. T. Allen,Ivan K. Baldry,Luke A. Barnes,Amanda E. Bauer,Joss Bland-Hawthorn,J. V. Bloom,Alyson Brooks,Sarah Brough,Gerald Cecil,Gerald Cecil,Warrick J. Couch,Darren J. Croton,R. I. Davies,Simon Ellis,L. M. R. Fogarty,Caroline Foster,Karl Glazebrook,Michael Goodwin,Andrew W. Green,Madusha Gunawardhana,Elise Hampton,I-Ting Ho,Andrew M. Hopkins,Lisa J. Kewley,Jon Lawrence,Sergio G. Leon-Saval,Sarah K. Leslie,Rebecca McElroy,Geraint F. Lewis,Jochen Liske,Angel R. Lopez-Sanchez,Angel R. Lopez-Sanchez,Smriti Mahajan,Smriti Mahajan,Anne M. Medling,Nigel Metcalfe,Martin Meyer,Jeremy Mould,Danail Obreschkow,Simon J. O'Toole,Michael Pracy,Samuel N. Richards,Samuel N. Richards,Tom Shanks,Rob Sharp,Rob Sharp,Sarah M. Sweet,Sarah M. Sweet,A. D. Thomas,C. Tonini,C. J. Walcher +67 more
TL;DR: The SAMI Galaxy Survey as discussed by the authors is a 3-year survey of 3400 galaxies with the Sydney-AAO Multi-Object Integral Field Spectrograph (SAMI) on the Anglo-Australian Telescope (AAT).
Journal ArticleDOI
US 708 – an unbound hyper-velocity subluminous O star
TL;DR: In this paper, the discovery of an unbound hyper-velocity star, US 708, in the Milky Way halo, with a heliocentric radial velocity of +708 ± 15 km s -1.
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A planetary system around the nearby M dwarf GJ 667C with at least one super-earth in its habitable zone
Guillem Anglada-Escudé,Guillem Anglada-Escudé,Pamela Arriagada,Steven S. Vogt,Eugenio J. Rivera,R. Paul Butler,Jeffrey D. Crane,Stephen A. Shectman,Ian B. Thompson,Dante Minniti,Dante Minniti,Nader Haghighipour,Brad D. Carter,C. G. Tinney,Robert A. Wittenmyer,Jeremy Bailey,Simon J. O'Toole,Hugh R. A. Jones,James S. Jenkins +18 more
TL;DR: In this article, the authors re-analyze 4 years of HARPS spectra of the nearby M1.5 dwarf GJ 667C available through the European Southern Observatory public archive.
Journal ArticleDOI
Signals embedded in the radial velocity noise - Periodic variations in the τ Ceti velocities
Mikko Tuomi,Mikko Tuomi,Hugh R. A. Jones,James S. Jenkins,C. G. Tinney,R. P. Butler,Steven S. Vogt,John R. Barnes,Robert A. Wittenmyer,Simon J. O'Toole,Jonathan Horner,Jeremy Bailey,B.D. Carter,Duncan J. Wright,Graeme Salter,D. J. Pinfield +15 more
TL;DR: In this paper, an extensive set of radial velocities for the star HD 10700 (τ Ceti) was used to determine the properties of the jitter arising from stellar surface inhomogeneities, activity, and telescope-instrument systems.