CARMENES detection of the Ca II infrared triplet and possible evidence of He I in the atmosphere of WASP-76b

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Table 4

Summary of the χ² values for the different models.

Temperature	Abundance	Tidally locked	χ²
		broadening?
2200 K	Solar	No	60
	Solar	Yes	59
	10 × solar	No	51
	100 × solar	No	39
	100 × solar	Yes	36
4000 K	Solar	No	101
	Solar	Yes	34

Notes. Calculated in a region of ± 30 km s⁻¹ surrounding the Ca II IRT λ8544Å line in the transmission spectrum.

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