Results 121 to 130 of about 478,002 (271)

Nickel‐Based Cocatalysts on Titanium‐Doped Hematite Empower Direct Photoelectrochemical Valorisation of 5‐Hydroxymethylfurfural

open access: yesChemSusChem, EarlyView.
Nickel modified titanium doped hematite photoanode shows a selective hole scavenging for the photoelectrochemical valorisation of the biomass derivative HMF to FDCA, overcoming the competition with water oxidation. Insights on the role of nickel in the HMF oxidation process are achieved with operando x‐ray absorption spectroscopy via element‐selective ...
Irene Carrai   +8 more
wiley   +1 more source

Long-term photometry of IC 348 with the Young Exoplanet Transit Initiative network

open access: yes, 2016
We present long-term photometric observations of the young open cluster IC 348 with a baseline time-scale of 2.4 yr. Our study was conducted with several telescopes from the Young Exoplanet Transit Initiative (YETI) network in the Bessel R band to find ...
D. Fritzewski   +31 more
semanticscholar   +1 more source

KEPLER-18b, c, AND d: A SYSTEM OF THREE PLANETS CONFIRMED BY TRANSIT TIMING VARIATIONS, LIGHT CURVE VALIDATION, WARM-SPITZER PHOTOMETRY, AND RADIAL VELOCITY MEASUREMENTS [PDF]

open access: yes, 2011
We report the detection of three transiting planets around a Sun-like star, which we designate Kepler-18. The transit signals were detected in photometric data from the Kepler satellite, and were confirmed to arise from planets using a combination of ...
W. Cochran   +53 more
semanticscholar   +1 more source

The Unusual M-dwarf Warm Jupiter TOI-1899 b: Refinement of Orbital and Planetary Parameters

open access: yesThe Astronomical Journal, 2023
TOI-1899 b is a rare exoplanet, a temperate warm Jupiter orbiting an M dwarf, first discovered by Cañas et al. (2020) from a TESS single-transit event.
Andrea S. J. Lin   +33 more
doaj   +1 more source

Observation of the full 12-hour-long transit of the exoplanet HD80606b. Warm-Spitzer photometry and SOPHIE spectroscopy [PDF]

open access: yes, 2010
We present new observations of a transit of the 111-day-period exoplanet HD80606b. Using the Spitzer Space Telescope and its IRAC camera on the post-cryogenic mission, we performed a 19-hour-long photometric observation of HD80606 that covers the full ...
G. Hébrard   +26 more
semanticscholar   +1 more source

Long-term Variations in the Orbital Period of Hot Jupiters from Transit-timing Analysis Using TESS Survey Data

open access: yesThe Astrophysical Journal Supplement Series
Many hot Jupiters may experience orbital decays, which are manifested as long-term transit-timing variations. We have analyzed 7068 transits from the Transiting Exoplanet Survey Satellite (TESS) for a sample of 326 hot Jupiters.
Wenqin Wang   +5 more
doaj   +1 more source

Extrasolar Planet Transits Observed at Kitt Peak National Observatory

open access: yes, 2012
We obtained J-, H- and JH-band photometry of known extrasolar planet transiting systems at the 2.1-m Kitt Peak National Observatory Telescope using the FLAMINGOS infrared camera between October 2008 and October 2011.
Allen Lunsford   +18 more
core   +1 more source

A New Analysis of the Exoplanet Hosting System HD 6434 [PDF]

open access: yes, 2015
The current goal of exoplanetary science is not only focused on detecting but characterizing planetary systems in hopes of understanding how they formed, evolved, and relate to the Solar System.
Boyajian, Tabetha S.   +7 more
core   +3 more sources

Enhanced Discriminability of Viral Vectors in Viscous Nanopores

open access: yesSmall Methods, EarlyView.
Solid‐state nanopore sensing in high‐viscosity organic‐water mixture enables enhanced discriminability of full, intermediate, and empty AAV vectors at the single particle level, paving the way for enhanced quality control of AAV products for their wide applications in gene therapy.
Makusu Tsutsui   +9 more
wiley   +1 more source

Singular Spectrum Analysis of Exoplanetary Transits

open access: yesThe Astronomical Journal
Transit photometry is currently the most efficient and sensitive method for detecting extrasolar planets (exoplanets) and a large majority of confirmed exoplanets have been detected with this method.
Hossein Fatheddin, Sedighe Sajadian
doaj   +1 more source

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