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The K2-HERMES Surve...
The K2-HERMES Survey. I. Planet-candidate Properties from K2 Campaigns 1-3
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- Wittenmyer, Robert A. (author)
- Univ Southern Queensland, Computat Engn & Sci Res Ctr, Toowoomba, Qld 4350, Australia.;Univ New South Wales, Australian Ctr Astrobiol, Sydney, NSW 2052, Australia.
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- Sharma, Sanjib (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.
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- Stello, Dennis (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.;Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.;Aarhus Univ, Dept Phys & Astron, Stellar Astrophys Ctr, DK-8000 Aarhus C, Denmark.
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- Buder, Sven (author)
- MPIA, Koenigstuhl 17, D-69117 Heidelberg, Germany.;Heidelberg Univ, Int Max Planck Res Sch Astron Cosm Phys, Heidelberg, Germany.
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- Kos, Janez (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.
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- Asplund, Martin (author)
- Australian Natl Univ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia.
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- Duong, Ly (author)
- Australian Natl Univ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia.
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- Lin, Jane (author)
- Australian Natl Univ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia.
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- Lind, Karin (author)
- Uppsala universitet,Observationell astrofysik,MPIA, Koenigstuhl 17, D-69117 Heidelberg, Germany
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- Ness, Melissa (author)
- MPIA, Koenigstuhl 17, D-69117 Heidelberg, Germany.
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- Zwitter, Tomaz (author)
- Univ Ljubljana, Fac Math & Phys, Jadranska 19, Ljubljana 1000, Slovenia.
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- Horner, Jonathan (author)
- Univ Southern Queensland, Computat Engn & Sci Res Ctr, Toowoomba, Qld 4350, Australia.
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- Clark, Jake (author)
- Univ Southern Queensland, Computat Engn & Sci Res Ctr, Toowoomba, Qld 4350, Australia.
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- Kane, Stephen R. (author)
- Univ Calif Riverside, Dept Earth Sci, Riverside, CA 92521 USA.
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- Huber, Daniel (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.;Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA.;SETI Inst, 189 Bernardo Ave, Mountain View, CA 94043 USA.;Aarhus Univ, Dept Phys & Astron, Stellar Astrophys Ctr, Ny Munkegade 120, DK-8000 Aarhus C, Denmark.;Australian Astron Observ, 105 Delhi Rd, N Ryde, NSW 2113, Australia.;Macquarie Univ, Dept Phys & Astron, Sydney, NSW 2109, Australia.
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- Bland-Hawthorn, Joss (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.
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- Casey, Andrew R. (author)
- Monash Univ, Sch Phys & Astron, Monash Ctr Astrophys, Clayton, Vic 3800, Australia.
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- De Silva, Gayandhi M. (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.;Australian Astron Observ, 105 Delhi Rd, N Ryde, NSW 2113, Australia.
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- D'Orazi, Valentina (author)
- INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy.
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- Freeman, Ken (author)
- Australian Natl Univ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia.
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- Martell, Sarah (author)
- Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.
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- Simpson, Jeffrey D. (author)
- Australian Astron Observ, 105 Delhi Rd, N Ryde, NSW 2113, Australia.
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- Zucker, Daniel B. (author)
- Macquarie Univ, Res Ctr Astron Astrophys & Astrophoton, Sydney, NSW 2109, Australia.
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- Anguiano, Borja (author)
- Macquarie Univ, Dept Phys & Astron, Sydney, NSW 2109, Australia.;Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA.
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- Casagrande, Luca (author)
- Australian Natl Univ, Res Sch Astron & Astrophys, Cotter Rd, Weston, ACT 2611, Australia.
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- Esdaile, James (author)
- Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.
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- Hon, Marc (author)
- Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.
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- Ireland, Michael (author)
- Australian Natl Univ, Res Sch Astron & Astrophys, Cotter Rd, Weston, ACT 2611, Australia.
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- Kafle, Prajwal R. (author)
- Univ Western Australia, ICRAR, 35 Stirling Highway, Crawley, WA 6009, Australia.
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- Khanna, Shourya (author)
- Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia.
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- Marshall, J. P. (author)
- Acad Sinica, Inst Astron & Astrophys, Taipei 10617, Taiwan.
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- Saddon, Mohd Hafiz Mohd (author)
- Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.
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- Traven, Gregor (author)
- Univ Ljubljana, Fac Math & Phys, Jadranska 19, Ljubljana 1000, Slovenia.
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- Wright, Duncan (author)
- Univ New South Wales, Sch Phys, Sydney, NSW 2052, Australia.;Australian Astron Observ, 105 Delhi Rd, N Ryde, NSW 2113, Australia.
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Univ Southern Queensland, Computat Engn & Sci Res Ctr, Toowoomba, Qld 4350, Australia;Univ New South Wales, Australian Ctr Astrobiol, Sydney, NSW 2052, Australia. Univ Sydney, Sch Phys, Sydney Inst Astron, Sydney, NSW 2006, Australia. (creator_code:org_t)
- 2018-01-24
- 2018
- English.
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In: Astronomical Journal. - : IOP PUBLISHING LTD. - 0004-6256 .- 1538-3881. ; 155:2
- Related links:
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Subject headings
Close
- Accurate and precise radius estimates of transiting exoplanets are critical for understanding their compositions and formation mechanisms. To know the planet, we must know the host star in as much detail as possible. We present first results from the K2-HERMES project, which uses the HERMES multi-object spectrograph on the Anglo-Australian Telescope to obtain R similar to 28000 spectra of up to 360 stars in one exposure. This ongoing project aims to derive self-consistent spectroscopic parameters for about half of K2 target stars. We present complete stellar parameters and isochrone-derived masses and radii for 46 stars hosting 57 K2 candidate planets in Campaigns 1-3. Our revised host-star radii cast severe doubt on three candidate planets: EPIC 201407812.01, EPIC 203070421.01, and EPIC 202843107.01, all of which now have inferred radii well in excess of the largest known inflated Jovian planets.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- planets and satellites: fundamental parameters
- stars: fundamental parameters
- techniques: spectroscopic
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Wittenmyer, Robe ...
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Sharma, Sanjib
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Stello, Dennis
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Buder, Sven
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Kos, Janez
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Asplund, Martin
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show more...
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Duong, Ly
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Lin, Jane
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Lind, Karin
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Ness, Melissa
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Zwitter, Tomaz
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Horner, Jonathan
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Clark, Jake
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Kane, Stephen R.
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Huber, Daniel
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Bland-Hawthorn, ...
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Casey, Andrew R.
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De Silva, Gayand ...
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D'Orazi, Valenti ...
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Freeman, Ken
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Martell, Sarah
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Simpson, Jeffrey ...
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Zucker, Daniel B ...
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Anguiano, Borja
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Casagrande, Luca
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Esdaile, James
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Hon, Marc
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Ireland, Michael
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Kafle, Prajwal R ...
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Khanna, Shourya
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Marshall, J. P.
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Saddon, Mohd Haf ...
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Traven, Gregor
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Wright, Duncan
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Uppsala University