GJ 9827 is a bright star hosting a planetary system with three transiting planets. As a multiplanet system with planets that sprawl within the boundaries of the...
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PublicaciónA Multiwavelength Look at the GJ 9827 System: No Evidence of Extended Atmospheres in GJ 9827b and d from HST and CARMENES Data
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PublicaciónA Near-infrared Chemical Inventory of the Atmosphere of 55 Cancri e
We present high-resolution near-infrared spectra taken during eight transits of 55 Cancri e, a nearby low-density super-Earth with a short orbital period (<18...
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PublicaciónARES. V. No Evidence For Molecular Absorption in the HST WFC3 Spectrum of GJ 1132 b
We present a study on the spatially scanned spectroscopic observations of the transit of GJ 1132 b, a warm (∼500 K) super-Earth (1.13 R ⊕) that was obtained...
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PublicaciónCorrecting Exoplanet Transmission Spectra for Stellar Activity with an Optimized Retrieval Framework
The chromatic contamination that arises from photospheric heterogeneities, e.g., spots and faculae on the host star presents a significant noise source for...
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NoticiaDescubren una supertierra que servirá para probar los modelos atmosféricos planetarios
Durante los últimos 25 años, los astrónomos han descubierto una gran variedad de exoplanetas compuestos de roca, hielo y gas debido a la puesta en operación de...
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PublicaciónDetection of Carbon Monoxide in the Atmosphere of WASP-39b Applying Standard Cross-correlation Techniques to JWST NIRSpec G395H Data
Carbon monoxide was recently reported in the atmosphere of the hot Jupiter WASP-39b using the NIRSpec PRISM transit observation of this planet, collected as...
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PublicaciónDetection of Carbon Monoxide's 4.6 Micron Fundamental Band Structure in WASP-39b's Atmosphere with JWST NIRSpec G395H
Carbon monoxide (CO) is predicted to be the dominant carbon-bearing molecule in giant planet atmospheres and, along with water, is important for discerning the...
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PublicaciónDetection of Ionized Calcium in the Atmosphere of the Ultra-hot Jupiter KELT-9b
With a dayside temperature in excess of 4500 K, comparable to a mid-K-type star, KELT-9b is the hottest planet known. Its extreme temperature makes KELT-9b a...
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PublicaciónDetection of Na and K in the Atmosphere of the Hot Jupiter HAT-P-1b with P200/DBSP
We present a new optical transmission spectrum of the hot Jupiter HAT-P-1b based on two transits observed with the Double Spectrograph (DBSP) on the Palomar 200...