TESS Spots a Compact System of Super-Earths around the Naked-eye Star HR 858
Transiting Exoplanet Survey Satellite (TESS) observations have revealed a compact multiplanet system around the sixth-magnitude star HR 858 (TIC 178155732, TOI 396), located 32 pc away. Three planets, each about twice the size of Earth, transit this slightly evolved, late F-type star, which is also...
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| Veröffentlicht in: | Astrophysical journal. Letters 2019-08, Vol.881 (1), p.L19 |
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| creator | Vanderburg, Andrew Huang, Chelsea X. Rodriguez, Joseph E. Becker, Juliette C. Ricker, George R. Vanderspek, Roland K. Latham, David W. Seager, Sara Winn, Joshua N. Jenkins, Jon M. Addison, Brett Bieryla, Allyson Briceño, Cesar Bowler, Brendan P. Brown, Timothy M. Burke, Christopher J. Burt, Jennifer A. Caldwell, Douglas A. Clark, Jake T. Crossfield, Ian Dittmann, Jason A. Dynes, Scott Fulton, Benjamin J. Guerrero, Natalia Harbeck, Daniel Horner, Jonathan Kane, Stephen R. Kielkopf, John Kraus, Adam L. Kreidberg, Laura Law, Nicolas Mann, Andrew W. Mengel, Matthew W. Morton, Timothy D. Okumura, Jack Pearce, Logan A. Plavchan, Peter Quinn, Samuel N. Rabus, Markus Rose, Mark E. Rowden, Pam Shporer, Avi Siverd, Robert J. Smith, Jeffrey C. Stassun, Keivan Tinney, C. G. Wittenmyer, Rob Wright, Duncan J. Zhang, Hui Zhou, George Ziegler, Carl A. |
| description | Transiting Exoplanet Survey Satellite (TESS) observations have revealed a compact multiplanet system around the sixth-magnitude star HR 858 (TIC 178155732, TOI 396), located 32 pc away. Three planets, each about twice the size of Earth, transit this slightly evolved, late F-type star, which is also a member of a visual binary. Two of the planets may be in mean motion resonance. We analyze the TESS observations, using novel methods to model and remove instrumental systematic errors, and combine these data with follow-up observations taken from a suite of ground-based telescopes to characterize the planetary system. The HR 858 planets are enticing targets for precise radial velocity observations, secondary eclipse spectroscopy, and measurements of the Rossiter-McLaughlin effect. |
| doi_str_mv | 10.3847/2041-8213/ab322d |
| format | Article |
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The HR 858 planets are enticing targets for precise radial velocity observations, secondary eclipse spectroscopy, and measurements of the Rossiter-McLaughlin effect.</description><identifier>ISSN: 2041-8205</identifier><identifier>EISSN: 2041-8213</identifier><identifier>DOI: 10.3847/2041-8213/ab322d</identifier><language>eng</language><publisher>Austin: The American Astronomical Society</publisher><subject>Binary stars ; Extrasolar planets ; F stars ; Orbital resonances (celestial mechanics) ; Planet detection ; Planetary evolution ; Planetary systems ; planets and satellites: detection ; Radial velocity ; Satellite observation ; Satellites ; Spectroscopy ; stars: individual (HR 858, TIC 178155732) ; Stellar evolution ; Stellar planets ; Systematic errors ; Telescopes ; Transit</subject><ispartof>Astrophysical journal. Letters, 2019-08, Vol.881 (1), p.L19</ispartof><rights>2019. The American Astronomical Society. 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G.</creatorcontrib><creatorcontrib>Wittenmyer, Rob</creatorcontrib><creatorcontrib>Wright, Duncan J.</creatorcontrib><creatorcontrib>Zhang, Hui</creatorcontrib><creatorcontrib>Zhou, George</creatorcontrib><creatorcontrib>Ziegler, Carl A.</creatorcontrib><title>TESS Spots a Compact System of Super-Earths around the Naked-eye Star HR 858</title><title>Astrophysical journal. Letters</title><addtitle>APJL</addtitle><addtitle>Astrophys. J. Lett</addtitle><description>Transiting Exoplanet Survey Satellite (TESS) observations have revealed a compact multiplanet system around the sixth-magnitude star HR 858 (TIC 178155732, TOI 396), located 32 pc away. Three planets, each about twice the size of Earth, transit this slightly evolved, late F-type star, which is also a member of a visual binary. Two of the planets may be in mean motion resonance. We analyze the TESS observations, using novel methods to model and remove instrumental systematic errors, and combine these data with follow-up observations taken from a suite of ground-based telescopes to characterize the planetary system. 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G.</creatorcontrib><creatorcontrib>Wittenmyer, Rob</creatorcontrib><creatorcontrib>Wright, Duncan J.</creatorcontrib><creatorcontrib>Zhang, Hui</creatorcontrib><creatorcontrib>Zhou, George</creatorcontrib><creatorcontrib>Ziegler, Carl A.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Astrophysical journal. Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Vanderburg, Andrew</au><au>Huang, Chelsea X.</au><au>Rodriguez, Joseph E.</au><au>Becker, Juliette C.</au><au>Ricker, George R.</au><au>Vanderspek, Roland K.</au><au>Latham, David W.</au><au>Seager, Sara</au><au>Winn, Joshua N.</au><au>Jenkins, Jon M.</au><au>Addison, Brett</au><au>Bieryla, Allyson</au><au>Briceño, Cesar</au><au>Bowler, Brendan P.</au><au>Brown, Timothy M.</au><au>Burke, Christopher J.</au><au>Burt, Jennifer A.</au><au>Caldwell, Douglas A.</au><au>Clark, Jake T.</au><au>Crossfield, Ian</au><au>Dittmann, Jason A.</au><au>Dynes, Scott</au><au>Fulton, Benjamin J.</au><au>Guerrero, Natalia</au><au>Harbeck, Daniel</au><au>Horner, Jonathan</au><au>Kane, Stephen R.</au><au>Kielkopf, John</au><au>Kraus, Adam L.</au><au>Kreidberg, Laura</au><au>Law, Nicolas</au><au>Mann, Andrew W.</au><au>Mengel, Matthew W.</au><au>Morton, Timothy D.</au><au>Okumura, Jack</au><au>Pearce, Logan A.</au><au>Plavchan, Peter</au><au>Quinn, Samuel N.</au><au>Rabus, Markus</au><au>Rose, Mark E.</au><au>Rowden, Pam</au><au>Shporer, Avi</au><au>Siverd, Robert J.</au><au>Smith, Jeffrey C.</au><au>Stassun, Keivan</au><au>Tinney, C. G.</au><au>Wittenmyer, Rob</au><au>Wright, Duncan J.</au><au>Zhang, Hui</au><au>Zhou, George</au><au>Ziegler, Carl A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TESS Spots a Compact System of Super-Earths around the Naked-eye Star HR 858</atitle><jtitle>Astrophysical journal. Letters</jtitle><stitle>APJL</stitle><addtitle>Astrophys. J. Lett</addtitle><date>2019-08-10</date><risdate>2019</risdate><volume>881</volume><issue>1</issue><spage>L19</spage><pages>L19-</pages><issn>2041-8205</issn><eissn>2041-8213</eissn><abstract>Transiting Exoplanet Survey Satellite (TESS) observations have revealed a compact multiplanet system around the sixth-magnitude star HR 858 (TIC 178155732, TOI 396), located 32 pc away. Three planets, each about twice the size of Earth, transit this slightly evolved, late F-type star, which is also a member of a visual binary. Two of the planets may be in mean motion resonance. We analyze the TESS observations, using novel methods to model and remove instrumental systematic errors, and combine these data with follow-up observations taken from a suite of ground-based telescopes to characterize the planetary system. The HR 858 planets are enticing targets for precise radial velocity observations, secondary eclipse spectroscopy, and measurements of the Rossiter-McLaughlin effect.</abstract><cop>Austin</cop><pub>The American Astronomical Society</pub><doi>10.3847/2041-8213/ab322d</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-0918-7484</orcidid><orcidid>https://orcid.org/0000-0002-4265-047X</orcidid><orcidid>https://orcid.org/0000-0003-3904-7378</orcidid><orcidid>https://orcid.org/0000-0002-7084-0529</orcidid><orcidid>https://orcid.org/0000-0001-9957-9304</orcidid><orcidid>https://orcid.org/0000-0001-9811-568X</orcidid><orcidid>https://orcid.org/0000-0002-8864-1667</orcidid><orcidid>https://orcid.org/0000-0002-0619-7639</orcidid><orcidid>https://orcid.org/0000-0003-0514-1147</orcidid><orcidid>https://orcid.org/0000-0001-9911-7388</orcidid><orcidid>https://orcid.org/0000-0002-4715-9460</orcidid><orcidid>https://orcid.org/0000-0001-5062-0847</orcidid><orcidid>https://orcid.org/0000-0001-9380-6457</orcidid><orcidid>https://orcid.org/0000-0002-4891-3517</orcidid><orcidid>https://orcid.org/0000-0002-3481-9052</orcidid><orcidid>https://orcid.org/0000-0001-7730-2240</orcidid><orcidid>https://orcid.org/0000-0001-7246-5438</orcidid><orcidid>https://orcid.org/0000-0001-6637-5401</orcidid><orcidid>https://orcid.org/0000-0002-0040-6815</orcidid><orcidid>https://orcid.org/0000-0003-3654-1602</orcidid><orcidid>https://orcid.org/0000-0002-7754-9486</orcidid><orcidid>https://orcid.org/0000-0002-7733-4522</orcidid><orcidid>https://orcid.org/0000-0003-2935-7196</orcidid><orcidid>https://orcid.org/0000-0002-8537-5711</orcidid><orcidid>https://orcid.org/0000-0002-1160-7970</orcidid><orcidid>https://orcid.org/0000-0002-1836-3120</orcidid><orcidid>https://orcid.org/0000-0003-3504-5316</orcidid><orcidid>https://orcid.org/0000-0003-2649-2288</orcidid><orcidid>https://orcid.org/0000-0002-8964-8377</orcidid><orcidid>https://orcid.org/0000-0002-6148-7903</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | ISSN: 2041-8205 |
| ispartof | Astrophysical journal. Letters, 2019-08, Vol.881 (1), p.L19 |
| issn | 2041-8205 2041-8213 |
| language | eng |
| recordid | cdi_proquest_journals_2365649104 |
| source | IOP Publishing Free Content |
| subjects | Binary stars Extrasolar planets F stars Orbital resonances (celestial mechanics) Planet detection Planetary evolution Planetary systems planets and satellites: detection Radial velocity Satellite observation Satellites Spectroscopy stars: individual (HR 858, TIC 178155732) Stellar evolution Stellar planets Systematic errors Telescopes Transit |
| title | TESS Spots a Compact System of Super-Earths around the Naked-eye Star HR 858 |
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