Low levels of sulphur dioxide contamination of Venusian phosphine spectra

Kavli Affiliate: Sara Seager | First 5 Authors: Jane S. Greaves, Paul B. Rimmer, Anita M. S. Richards, Janusz J. Petkowski, William Bains | Summary: New analysis is presented of the 1.1 mm wavelength absorption lines in Venus’ atmosphere that suggested the presence of phosphine. We retrieve a sulphur dioxide observation from the JCMT archive […]


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The air over there: exploring exoplanet atmospheres

Kavli Affiliate: Laura Schaefer | First 5 Authors: Laura Schaefer, Vivien Parmentier, , , | Summary: Atmospheric compositions for rocky exoplanets will depend strongly on the bulk planetary composition and the orbital position of the planet. Non-traditional gases may be present in the atmospheres of exceptionally hot planets. Atmospheres of more clement planets will depend […]


Continue.. The air over there: exploring exoplanet atmospheres

The air over there: exploring exoplanet atmospheres

Kavli Affiliate: Laura Schaefer | First 5 Authors: Laura Schaefer, Vivien Parmentier, , , | Summary: Atmospheric compositions for rocky exoplanets will depend strongly on the bulk planetary composition and the orbital position of the planet. Non-traditional gases may be present in the atmospheres of exceptionally hot planets. Atmospheres of more clement planets will depend […]


Continue.. The air over there: exploring exoplanet atmospheres

Detection of H$_2$ in the TWA 7 System: A Probable Circumstellar Origin

Kavli Affiliate: Gregory Herczeg | First 5 Authors: Laura Flagg, Christopher Johns-Krull, Kevin France, Gregory Herczeg, Joan Najita | Summary: Using HST-COS FUV spectra, we have discovered warm molecular hydrogen in the TWA 7 system. TWA 7, a $sim$9 Myr old M2.5 star, has a cold debris disk and has previously shown no signs of […]


Continue.. Detection of H$_2$ in the TWA 7 System: A Probable Circumstellar Origin

Integral $p$-adic cohomology theories

Kavli Affiliate: Tomoyuki Abe | First 5 Authors: Tomoyuki Abe, Richard Crew, , , | Summary: In this paper, we show the non-existence of finitely generated integral $p$-adic cohomology which satisfies finite ‘etale descent and the associated rational cohomology coincides with rigid cohomology. | Search Query: ArXiv Query: search_query=au:”Tomoyuki Abe”&id_list=&start=0&max_results=10 Read More


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HERA Phase I Limits on the Cosmic 21-cm Signal: Constraints on Astrophysics and Cosmology During the Epoch of Reionization

Kavli Affiliate: George Efstathiou | First 5 Authors: The HERA Collaboration, Zara Abdurashidova, James E. Aguirre, Paul Alexander, Zaki Ali | Summary: Recently, the Hydrogen Epoch of Reionization Array (HERA) collaboration has produced the experiment’s first upper limits on the power spectrum of 21-cm fluctuations at z~8 and 10. Here, we use several independent theoretical […]


Continue.. HERA Phase I Limits on the Cosmic 21-cm Signal: Constraints on Astrophysics and Cosmology During the Epoch of Reionization

HERA Phase I Limits on the Cosmic 21-cm Signal: Constraints on Astrophysics and Cosmology During the Epoch of Reionization

Kavli Affiliate: Jacqueline Hewitt | First 5 Authors: The HERA Collaboration, Zara Abdurashidova, James E. Aguirre, Paul Alexander, Zaki Ali | Summary: Recently, the Hydrogen Epoch of Reionization Array (HERA) collaboration has produced the experiment’s first upper limits on the power spectrum of 21-cm fluctuations at z~8 and 10. Here, we use several independent theoretical […]


Continue.. HERA Phase I Limits on the Cosmic 21-cm Signal: Constraints on Astrophysics and Cosmology During the Epoch of Reionization

The miniJPAS Survey: A Study on Wavelength Dependence of the Photon Response Non-uniformity of the JPAS-{it Pathfinder} Camera

Kavli Affiliate: Hu Zhan | First 5 Authors: Kai Xiao, Haibo Yuan, J. Varela, Hu Zhan, Jifeng Liu | Summary: Understanding the origins of small-scale flats of CCDs and their wavelength-dependent variations plays an important role in high-precision photometric, astrometric, and shape measurements of astronomical objects. Based on the unique flat data of 47 narrow-band […]


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Exploring a PMT+SiPM Hybrid Optical Module for Next Generation Neutrino Telescopes

Kavli Affiliate: Zhuo Li | First 5 Authors: Fan Hu, Zhuo Li, Donglian Xu, , | Summary: Cosmic neutrinos are unique probes of the high energy universe. IceCube has discovered a diffuse astrophysical neutrino flux since 2013, but their origin remains elusive. The potential sources could include, for example, active galactic nuclei, gamma-ray bursts and […]


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