The First Habitable-zone Earth-sized Planet from TESS. II. Spitzer Confirms TOI-700 d

Rodriguez, Joseph E.; Vanderburg, Andrew; Zieba, Sebastian; Kreidberg, Laura; Morley, Caroline; Eastman, Jason D.; Kane, Stephen R.; Spencer, Alton; Quinn, Samuel N.; Cloutier, Ryan; Huang, Chelsea X.; Collins, Karen A.; Mann, Andrew W.; Gilbert, Emily A.; Schlieder, Joshua E.; Quintana, Elisa V.; Barclay, Thomas; Suissa, Gabrielle; Kopparapu, R.; Dressing, Courtney D.; Ricker, G.; Vanderspek, R.; Latham, David W.; Seager, Sara; Winn, Joshua N.; Jenkins, Jon M.; Berta-Thompson, Zachory K.; Boyd, Patricia T.; Charbonneau, David; Caldwell, Douglas A.; Chiang, Eugene; Christiansen, Jessie L.; Ciardi, David R.; Colón, Knicole D.; Doty, J.; Gan, Tianjun; Guerrero, Natalia; Günther, Maximilian N.; Lee, Eve J.; Levine, Alan M.; Lopez, Eric; Muirhead, Philip S.; Newton, Elisabeth R.; Rose, Mark; Twicken, Joseph D.; Villaseñor, J.

doi:10.3847/1538-3881/aba4b3

Cited by 42 publications

(25 citation statements)

References 83 publications

(67 reference statements)

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“…with a period of P = 37.42 days and an equilibrium temperature of T eq ∼ 269 K (Rodriguez et al 2020;Gilbert et al 2020;Suissa et al 2020 and lies in the southern TESS continuous viewing zone. The system was one of the last targets Spitzer observed.…”

Section: Some Notable Tess Firstsmentioning

confidence: 99%

The TESS Objects of Interest Catalog from the TESS Prime Mission

Guerrero¹,

Seager

Huang³

et al. 2021

ApJS

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271

219

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We present 2241 exoplanet candidates identified with data from the Transiting Exoplanet Survey Satellite (TESS) during its 2 yr Prime Mission. We list these candidates in the TESS Objects of Interest (TOI) Catalog, which includes both new planet candidates found by TESS and previously known planets recovered by TESS observations. We describe the process used to identify TOIs, investigate the characteristics of the new planet candidates, and discuss some notable TESS planet discoveries. The TOI catalog includes an unprecedented number of small planet candidates around nearby bright stars, which are well suited for detailed follow-up observations. The TESS data products for the Prime Mission (sectors 1-26), including the TOI catalog, light curves, full-frame images, and target pixel files, are publicly available at the Mikulski Archive for Space Telescopes.

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Section: Some Notable Tess Firstsmentioning

confidence: 99%

The TESS Objects of Interest Catalog from the TESS Prime Mission

Guerrero¹,

Seager

Huang³

et al. 2021

ApJS

Self Cite

271

219

View full text Add to dashboard Cite

show abstract

“…Improvements in detection techniques have now reached a point where finding planets of similar size to our Earth has become a reality. Four of the planets in the Trappist-1 system (Gillon et al, 2016) or TOI-700d (Gilbert et al, 2020;Rodriguez et al, 2020) are prime examples. Several planets in those systems orbit their host star inside the habitable zone.…”

Section: Introductionmentioning

confidence: 99%

Circumbinary Habitable Zones in the Presence of a Giant Planet

Georgakarakos

Eggl

Dobbs-Dixon

2021

Front. Astron. Space Sci.

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Determining habitable zones in binary star systems can be a challenging task due to the combination of perturbed planetary orbits and varying stellar irradiation conditions. The concept of “dynamically informed habitable zones” allows us, nevertheless, to make predictions on where to look for habitable worlds in such complex environments. Dynamically informed habitable zones have been used in the past to investigate the habitability of circumstellar planets in binary systems and Earth-like analogs in systems with giant planets. Here, we extend the concept to potentially habitable worlds on circumbinary orbits. We show that habitable zone borders can be found analytically even when another giant planet is present in the system. By applying this methodology to Kepler-16, Kepler-34, Kepler-35, Kepler-38, Kepler-64, Kepler-413, Kepler-453, Kepler-1647, and Kepler-1661 we demonstrate that the presence of the known giant planets in the majority of those systems does not preclude the existence of potentially habitable worlds. Among the investigated systems Kepler-35, Kepler-38, and Kepler-64 currently seem to offer the most benign environment. In contrast, Kepler-16 and Kepler-1647 are unlikely to host habitable worlds.

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“…Now, the picture has been revolutionized: our Solar System is only one example, out of thousands, of all possible outcomes of the planetary formation and migration processes. Last but not least we are closer than ever to detect the Earth's twin in the habitable zone [3,4].…”

mentioning

confidence: 87%

Will gravitational waves discover the first extra-galactic planetary system?

Danielski¹

2020

Int. J. Mod. Phys. D

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Gravitational waves have opened a new observational window through which some of the most exotic objects in the universe, as well as some of the secrets of gravitation itself, can now be revealed. Among all these new discoveries, we recently demonstrated[Formula: see text] that space-based gravitational wave observations will have the potential to detect a new population of massive circumbinary exoplanets everywhere inside our Galaxy. In this paper, we argue that these circumbinary planetary systems can also be detected outside the Milky Way, in particular within its satellite galaxies. Space-based gravitational wave observations might thus constitute the mean to detect the first extra-galactic planetary system, a target beyond the reach of standard electromagnetic searches.

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The First Habitable-zone Earth-sized Planet from TESS. II. Spitzer Confirms TOI-700 d

Cited by 42 publications

References 83 publications

The TESS Objects of Interest Catalog from the TESS Prime Mission

The TESS Objects of Interest Catalog from the TESS Prime Mission

Circumbinary Habitable Zones in the Presence of a Giant Planet

Will gravitational waves discover the first extra-galactic planetary system?

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