Detecting transit signatures of exoplanetary rings using SOAP3.0

Abstract

CONTEXT. It is theoretically possible for rings to have formed around extrasolar planets in a similar way to that in which they formed around the giant planets in our solar system. However, no such rings have been detected to date. AIMS: We aim to test the possibility of detecting rings around exoplanets by investigating the photometric and spectroscopic ring signatures in high-precision transit signals. METHODS: The photometric and spectroscopic transit signals of a ringed planet is expected to show deviations from that of a spherical planet. We used these deviations to quantify the detectability of rings. We present SOAP3.0 which is a numerical tool to simulate ringed planet transits and measure ring detectability based on amplitudes of the residuals between the ringed planet signal and best fit ringless model. RESULTS: We find that it is possible to detect the photometric and spectroscopic signature of near edge-on rings especially around planets with high impact parameter. Time resolution $\le$ 7 mins is required for the photometric detection, while 15 mins is sufficient for the spectroscopic detection. We also show that future instruments like CHEOPS and ESPRESSO, with precisions that allow ring signatures to be well above their noise-level, present good prospects for detecting rings.

arXiv comment13 pages, 16 figures, 2 tables , accepted for publication in A&A

References in corpus (36)

• Analytic Lightcurves for Planetary Transit Searches
• A new extensive library of PHOENIX stellar atmospheres and synthetic spectra
• Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
• Detection of an Extrasolar Planet Atmosphere
• Infrared radiation from an extrasolar planet
• HST Time-Series Photometry of the Transiting Planet of HD 209458
• Fundamental Properties of Kepler Planet-Candidate Host Stars using Asteroseismology
• Planetary detection limits taking into account stellar noise. I. Observational strategies to reduce stellar oscillation and granulation effects
• Stellar Limb-Darkening Coefficients for CoRot and Kepler
• SOAP 2.0: A tool to estimate the photometric and radial velocity variations induced by stellar spots and plages
• CHEOPS: A Transit Photometry Mission for ESA's Small Mission Programme
• Starspots, spin-orbit misalignment, and active latitudes in the HAT-P-11 exoplanetary system
• LDTk: Limb Darkening Toolkit
• H2O abundances in the atmospheres of three hot Jupiters
• Measuring the Oblateness and Rotation of Transiting Extrasolar Giant Planets
• SOAP. A tool for the fast computation of photometry and radial velocity induced by stellar spots
• The effect of stellar limb darkening values on the accuracy of the planet radii derived from photometric transit observations
• Transit Detectability of Ring Systems Around Extrasolar Giant Planets
• Modeling giant extrasolar ring systems in eclipse and the case of J1407b: sculpting by exomoons?
• Characterizing Distant Worlds with Asterodensity Profiling
• The Detectability of Transit Depth Variations due to Exoplanetary Oblateness and Spin Precession
• Predicting Photometric and Spectroscopic Signatures of Rings around Transiting Extrasolar Planets
• New analytical expressions of the Rossiter-McLaughlin effect adapted to different observation techniques
• Empirical Constraints on the Oblateness of an Exoplanet
• A novel method for identifying exoplanetary rings
• SOAP-T: A tool to study the light-curve and radial velocity of a system with a transiting planet and a rotating spotted star
• Transit Model of Planets with Moon and Ring System
• Constraining the Oblateness of Kepler Planets
• High precision transit observations of the exoplanet WASP-13b with the RISE instrument
• Warm Saturns: On the Nature of Rings around Extrasolar Planets that Reside Inside the Ice Line
• Detecting ring systems around exoplanets using high resolution spectroscopy: the case of 51Pegb
• Spin-orbit alignments for Three Transiting Hot Jupiters: WASP-103b, WASP-87b, & WASP-66b
• Towards Detection of Exoplanetary Rings Via Transit Photometry: Methodology and a Possible Candidate
• Limb Darkening and Planetary Transits: Testing Center-to-limb Intensity Variations and Limb-Darkening Directly from Model Stellar Atmospheres
• Search for rings and satellites around the exoplanet CoRoT-9b using Spitzer photometry
• Can stellar activity make a planet seem misaligned?

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