TOI-1452 b: SPIRou and TESS reveal a super-Earth in a temperate orbit transiting an M4 dwarf
Exploring the properties of exoplanets near or inside the radius valley provides insights on the transition from the rocky super-Earths to the larger, hydrogen-rich atmosphere mini-Neptunes. Here, we report the discovery of TOI-1452 b, a transiting super-Earth (\(R_{\rm p} = 1.67 \pm 0.07\) R\(_{\op...
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| creator | Cadieux, Charles Doyon, René Plotnykov, Mykhaylo Hébrard, Guillaume Jahandar, Farbod Artigau, Étienne Valencia, Diana Cook, Neil J Eder Martioli Vandal, Thomas Donati, Jean-François Cloutier, Ryan Narita, Norio Fukui, Akihiko Hirano, Teruyuki Bouchy, François Cowan, Nicolas B Gonzales, Erica J Ciardi, David R Stassun, Keivan G Arnold, Luc Benneke, Björn Boisse, Isabelle Bonfils, Xavier Carmona, Andrés Cortés-Zuleta, Pía Delfosse, Xavier veille, Thierry Fouqué, Pascal João Gomes da Silva Jenkins, Jon M Kiefer, Flavien Kóspál, Ágnes Lafrenière, David Martins, Jorge H C Moutou, Claire J -D do Nascimento Jr Ould-Elhkim, Merwan Pelletier, Stefan Twicken, Joseph D Bouma, Luke G Cartwright, Scott Darveau-Bernier, Antoine Grankin, Konstantin Ikoma, Masahiro Kagetani, Taiki Kawauchi, Kiyoe Kodama, Takanori Kotani, Takayuki Latham, David W Menou, Kristen Ricker, George Seager, Sara Tamura, Motohide Vanderspek, Roland Watanabe, Noriharu |
| description | Exploring the properties of exoplanets near or inside the radius valley provides insights on the transition from the rocky super-Earths to the larger, hydrogen-rich atmosphere mini-Neptunes. Here, we report the discovery of TOI-1452 b, a transiting super-Earth (\(R_{\rm p} = 1.67 \pm 0.07\) R\(_{\oplus}\)) in an 11.1--day temperate orbit (\(T_{\rm eq} = 326 \pm 7\) K) around the primary member (\(H = 10.0\), \(T_{\rm eff} = 3185 \pm 50\) K) of a nearby visual binary M dwarf. The transits were first detected by TESS, then successfully isolated between the two \(3.2^{\prime\prime}\) companions with ground-based photometry from OMM and MuSCAT3. The planetary nature of TOI-1452 b was established through high-precision velocimetry with the near-infrared SPIRou spectropolarimeter as part of the ongoing SPIRou Legacy Survey. The measured planetary mass (\(4.8 \pm 1.3\) M\(_{\oplus}\)) and inferred bulk density (\(5.6^{+1.8}_{-1.6}\) g/cm\(^3\)) is suggestive of a rocky core surrounded by a volatile-rich envelope. More quantitatively, the mass and radius of TOI-1452 b, combined with the stellar abundance of refractory elements (Fe, Mg and Si) measured by SPIRou, is consistent with a core mass fraction of \(18\pm6\) % and a water mass fraction of \(22^{+21}_{-13}\)%. The water world candidate TOI-1452 b is a prime target for future atmospheric characterization with JWST, featuring a Transmission Spectroscopy Metric similar to other well-known temperate small planets such as LHS 1140 b and K2-18 b. The system is located near Webb's northern Continuous Viewing Zone, implying that is can be followed at almost any moment of the year. |
| doi_str_mv | 10.48550/arxiv.2208.06333 |
| format | Article |
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Here, we report the discovery of TOI-1452 b, a transiting super-Earth (\(R_{\rm p} = 1.67 \pm 0.07\) R\(_{\oplus}\)) in an 11.1--day temperate orbit (\(T_{\rm eq} = 326 \pm 7\) K) around the primary member (\(H = 10.0\), \(T_{\rm eff} = 3185 \pm 50\) K) of a nearby visual binary M dwarf. The transits were first detected by TESS, then successfully isolated between the two \(3.2^{\prime\prime}\) companions with ground-based photometry from OMM and MuSCAT3. The planetary nature of TOI-1452 b was established through high-precision velocimetry with the near-infrared SPIRou spectropolarimeter as part of the ongoing SPIRou Legacy Survey. The measured planetary mass (\(4.8 \pm 1.3\) M\(_{\oplus}\)) and inferred bulk density (\(5.6^{+1.8}_{-1.6}\) g/cm\(^3\)) is suggestive of a rocky core surrounded by a volatile-rich envelope. More quantitatively, the mass and radius of TOI-1452 b, combined with the stellar abundance of refractory elements (Fe, Mg and Si) measured by SPIRou, is consistent with a core mass fraction of \(18\pm6\) % and a water mass fraction of \(22^{+21}_{-13}\)%. The water world candidate TOI-1452 b is a prime target for future atmospheric characterization with JWST, featuring a Transmission Spectroscopy Metric similar to other well-known temperate small planets such as LHS 1140 b and K2-18 b. The system is located near Webb's northern Continuous Viewing Zone, implying that is can be followed at almost any moment of the year.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2208.06333</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Binary stars ; Bulk density ; Extrasolar planets ; Near infrared radiation ; Physics - Earth and Planetary Astrophysics ; Physics - Solar and Stellar Astrophysics ; Planetary mass ; Velocimetry ; Water masses</subject><ispartof>arXiv.org, 2022-08</ispartof><rights>2022. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>http://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,780,784,885,27925</link.rule.ids><backlink>$$Uhttps://doi.org/10.3847/1538-3881/ac7cea$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.48550/arXiv.2208.06333$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Cadieux, Charles</creatorcontrib><creatorcontrib>Doyon, René</creatorcontrib><creatorcontrib>Plotnykov, Mykhaylo</creatorcontrib><creatorcontrib>Hébrard, Guillaume</creatorcontrib><creatorcontrib>Jahandar, Farbod</creatorcontrib><creatorcontrib>Artigau, Étienne</creatorcontrib><creatorcontrib>Valencia, Diana</creatorcontrib><creatorcontrib>Cook, Neil J</creatorcontrib><creatorcontrib>Eder Martioli</creatorcontrib><creatorcontrib>Vandal, Thomas</creatorcontrib><creatorcontrib>Donati, Jean-François</creatorcontrib><creatorcontrib>Cloutier, Ryan</creatorcontrib><creatorcontrib>Narita, Norio</creatorcontrib><creatorcontrib>Fukui, Akihiko</creatorcontrib><creatorcontrib>Hirano, Teruyuki</creatorcontrib><creatorcontrib>Bouchy, François</creatorcontrib><creatorcontrib>Cowan, Nicolas B</creatorcontrib><creatorcontrib>Gonzales, Erica J</creatorcontrib><creatorcontrib>Ciardi, David R</creatorcontrib><creatorcontrib>Stassun, Keivan G</creatorcontrib><creatorcontrib>Arnold, Luc</creatorcontrib><creatorcontrib>Benneke, Björn</creatorcontrib><creatorcontrib>Boisse, Isabelle</creatorcontrib><creatorcontrib>Bonfils, Xavier</creatorcontrib><creatorcontrib>Carmona, Andrés</creatorcontrib><creatorcontrib>Cortés-Zuleta, Pía</creatorcontrib><creatorcontrib>Delfosse, Xavier</creatorcontrib><creatorcontrib>veille, Thierry</creatorcontrib><creatorcontrib>Fouqué, Pascal</creatorcontrib><creatorcontrib>João Gomes da Silva</creatorcontrib><creatorcontrib>Jenkins, Jon M</creatorcontrib><creatorcontrib>Kiefer, Flavien</creatorcontrib><creatorcontrib>Kóspál, Ágnes</creatorcontrib><creatorcontrib>Lafrenière, David</creatorcontrib><creatorcontrib>Martins, Jorge H C</creatorcontrib><creatorcontrib>Moutou, Claire</creatorcontrib><creatorcontrib>J -D do Nascimento Jr</creatorcontrib><creatorcontrib>Ould-Elhkim, Merwan</creatorcontrib><creatorcontrib>Pelletier, Stefan</creatorcontrib><creatorcontrib>Twicken, Joseph D</creatorcontrib><creatorcontrib>Bouma, Luke G</creatorcontrib><creatorcontrib>Cartwright, Scott</creatorcontrib><creatorcontrib>Darveau-Bernier, Antoine</creatorcontrib><creatorcontrib>Grankin, Konstantin</creatorcontrib><creatorcontrib>Ikoma, Masahiro</creatorcontrib><creatorcontrib>Kagetani, Taiki</creatorcontrib><creatorcontrib>Kawauchi, Kiyoe</creatorcontrib><creatorcontrib>Kodama, Takanori</creatorcontrib><creatorcontrib>Kotani, Takayuki</creatorcontrib><creatorcontrib>Latham, David W</creatorcontrib><creatorcontrib>Menou, Kristen</creatorcontrib><creatorcontrib>Ricker, George</creatorcontrib><creatorcontrib>Seager, Sara</creatorcontrib><creatorcontrib>Tamura, Motohide</creatorcontrib><creatorcontrib>Vanderspek, Roland</creatorcontrib><creatorcontrib>Watanabe, Noriharu</creatorcontrib><title>TOI-1452 b: SPIRou and TESS reveal a super-Earth in a temperate orbit transiting an M4 dwarf</title><title>arXiv.org</title><description>Exploring the properties of exoplanets near or inside the radius valley provides insights on the transition from the rocky super-Earths to the larger, hydrogen-rich atmosphere mini-Neptunes. Here, we report the discovery of TOI-1452 b, a transiting super-Earth (\(R_{\rm p} = 1.67 \pm 0.07\) R\(_{\oplus}\)) in an 11.1--day temperate orbit (\(T_{\rm eq} = 326 \pm 7\) K) around the primary member (\(H = 10.0\), \(T_{\rm eff} = 3185 \pm 50\) K) of a nearby visual binary M dwarf. The transits were first detected by TESS, then successfully isolated between the two \(3.2^{\prime\prime}\) companions with ground-based photometry from OMM and MuSCAT3. The planetary nature of TOI-1452 b was established through high-precision velocimetry with the near-infrared SPIRou spectropolarimeter as part of the ongoing SPIRou Legacy Survey. The measured planetary mass (\(4.8 \pm 1.3\) M\(_{\oplus}\)) and inferred bulk density (\(5.6^{+1.8}_{-1.6}\) g/cm\(^3\)) is suggestive of a rocky core surrounded by a volatile-rich envelope. More quantitatively, the mass and radius of TOI-1452 b, combined with the stellar abundance of refractory elements (Fe, Mg and Si) measured by SPIRou, is consistent with a core mass fraction of \(18\pm6\) % and a water mass fraction of \(22^{+21}_{-13}\)%. The water world candidate TOI-1452 b is a prime target for future atmospheric characterization with JWST, featuring a Transmission Spectroscopy Metric similar to other well-known temperate small planets such as LHS 1140 b and K2-18 b. The system is located near Webb's northern Continuous Viewing Zone, implying that is can be followed at almost any moment of the year.</description><subject>Binary stars</subject><subject>Bulk density</subject><subject>Extrasolar planets</subject><subject>Near infrared radiation</subject><subject>Physics - Earth and Planetary Astrophysics</subject><subject>Physics - Solar and Stellar Astrophysics</subject><subject>Planetary mass</subject><subject>Velocimetry</subject><subject>Water 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Bonfils, Xavier ; Carmona, Andrés ; Cortés-Zuleta, Pía ; Delfosse, Xavier ; veille, Thierry ; Fouqué, Pascal ; João Gomes da Silva ; Jenkins, Jon M ; Kiefer, Flavien ; Kóspál, Ágnes ; Lafrenière, David ; Martins, Jorge H C ; Moutou, Claire ; J -D do Nascimento Jr ; Ould-Elhkim, Merwan ; Pelletier, Stefan ; Twicken, Joseph D ; Bouma, Luke G ; Cartwright, Scott ; Darveau-Bernier, Antoine ; Grankin, Konstantin ; Ikoma, Masahiro ; Kagetani, Taiki ; Kawauchi, Kiyoe ; Kodama, Takanori ; Kotani, Takayuki ; Latham, David W ; Menou, Kristen ; Ricker, George ; Seager, Sara ; Tamura, Motohide ; Vanderspek, Roland ; Watanabe, Noriharu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a529-ff2e45dc2517a257852ae670d01c8bd93207471d1f31fbb1fcbc153aaa526f8a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Binary stars</topic><topic>Bulk density</topic><topic>Extrasolar 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Roland</creatorcontrib><creatorcontrib>Watanabe, Noriharu</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cadieux, Charles</au><au>Doyon, René</au><au>Plotnykov, Mykhaylo</au><au>Hébrard, Guillaume</au><au>Jahandar, Farbod</au><au>Artigau, Étienne</au><au>Valencia, Diana</au><au>Cook, Neil J</au><au>Eder Martioli</au><au>Vandal, Thomas</au><au>Donati, Jean-François</au><au>Cloutier, Ryan</au><au>Narita, Norio</au><au>Fukui, Akihiko</au><au>Hirano, Teruyuki</au><au>Bouchy, François</au><au>Cowan, Nicolas B</au><au>Gonzales, Erica J</au><au>Ciardi, David R</au><au>Stassun, Keivan G</au><au>Arnold, Luc</au><au>Benneke, Björn</au><au>Boisse, Isabelle</au><au>Bonfils, Xavier</au><au>Carmona, Andrés</au><au>Cortés-Zuleta, Pía</au><au>Delfosse, Xavier</au><au>veille, Thierry</au><au>Fouqué, Pascal</au><au>João Gomes da Silva</au><au>Jenkins, Jon M</au><au>Kiefer, Flavien</au><au>Kóspál, Ágnes</au><au>Lafrenière, David</au><au>Martins, Jorge H C</au><au>Moutou, Claire</au><au>J -D do Nascimento Jr</au><au>Ould-Elhkim, Merwan</au><au>Pelletier, Stefan</au><au>Twicken, Joseph D</au><au>Bouma, Luke G</au><au>Cartwright, Scott</au><au>Darveau-Bernier, Antoine</au><au>Grankin, Konstantin</au><au>Ikoma, Masahiro</au><au>Kagetani, Taiki</au><au>Kawauchi, Kiyoe</au><au>Kodama, Takanori</au><au>Kotani, Takayuki</au><au>Latham, David W</au><au>Menou, Kristen</au><au>Ricker, George</au><au>Seager, Sara</au><au>Tamura, Motohide</au><au>Vanderspek, Roland</au><au>Watanabe, Noriharu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TOI-1452 b: SPIRou and TESS reveal a super-Earth in a temperate orbit transiting an M4 dwarf</atitle><jtitle>arXiv.org</jtitle><date>2022-08-12</date><risdate>2022</risdate><eissn>2331-8422</eissn><abstract>Exploring the properties of exoplanets near or inside the radius valley provides insights on the transition from the rocky super-Earths to the larger, hydrogen-rich atmosphere mini-Neptunes. Here, we report the discovery of TOI-1452 b, a transiting super-Earth (\(R_{\rm p} = 1.67 \pm 0.07\) R\(_{\oplus}\)) in an 11.1--day temperate orbit (\(T_{\rm eq} = 326 \pm 7\) K) around the primary member (\(H = 10.0\), \(T_{\rm eff} = 3185 \pm 50\) K) of a nearby visual binary M dwarf. The transits were first detected by TESS, then successfully isolated between the two \(3.2^{\prime\prime}\) companions with ground-based photometry from OMM and MuSCAT3. The planetary nature of TOI-1452 b was established through high-precision velocimetry with the near-infrared SPIRou spectropolarimeter as part of the ongoing SPIRou Legacy Survey. The measured planetary mass (\(4.8 \pm 1.3\) M\(_{\oplus}\)) and inferred bulk density (\(5.6^{+1.8}_{-1.6}\) g/cm\(^3\)) is suggestive of a rocky core surrounded by a volatile-rich envelope. More quantitatively, the mass and radius of TOI-1452 b, combined with the stellar abundance of refractory elements (Fe, Mg and Si) measured by SPIRou, is consistent with a core mass fraction of \(18\pm6\) % and a water mass fraction of \(22^{+21}_{-13}\)%. The water world candidate TOI-1452 b is a prime target for future atmospheric characterization with JWST, featuring a Transmission Spectroscopy Metric similar to other well-known temperate small planets such as LHS 1140 b and K2-18 b. The system is located near Webb's northern Continuous Viewing Zone, implying that is can be followed at almost any moment of the year.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2208.06333</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2022-08 |
| issn | 2331-8422 |
| language | eng |
| recordid | cdi_arxiv_primary_2208_06333 |
| source | arXiv.org; Free E- Journals |
| subjects | Binary stars Bulk density Extrasolar planets Near infrared radiation Physics - Earth and Planetary Astrophysics Physics - Solar and Stellar Astrophysics Planetary mass Velocimetry Water masses |
| title | TOI-1452 b: SPIRou and TESS reveal a super-Earth in a temperate orbit transiting an M4 dwarf |
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