Articles with "space telescope" as a keyword



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Constraints on water vapor and sulfur dioxide at Ceres: Exploiting the sensitivity of the Hubble Space Telescope

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Published in 2018 at "Icarus"

DOI: 10.1016/j.icarus.2018.01.011

Abstract: Far-ultraviolet observations of dwarf-planet (1) Ceres were obtained on several occasions in 2015 and 2016 by the Cosmic Origins Spectrograph (COS) and the Space Telescope Imaging Spectrograph (STI ... read more here.

Keywords: vapor sulfur; space; water vapor; constraints water ... See more keywords

How the James Webb Space Telescope Can Inform Health Security

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Published in 2023 at "Disaster Medicine and Public Health Preparedness"

DOI: 10.1017/dmp.2022.306

Abstract: In a moment when life on Earth has felt increasingly tragic and troubling based on what has become the background noise of the continued impacts of the COVID-19 pandemic, dangerous climate change impacts, and other… read more here.

Keywords: telescope; space telescope; health security; james webb ... See more keywords

Active galactic nuclei as seen by the Spitzer Space Telescope

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Published in 2020 at "Nature Astronomy"

DOI: 10.1038/s41550-020-1071-x

Abstract: The Spitzer Space Telescope revolutionized studies of active galactic nuclei (AGNs). Its combined sensitivity and mapping speed at mid-infrared wavelengths revealed a substantial population of highly obscured AGNs. This population implies a higher radiative accretion… read more here.

Keywords: galactic nuclei; space telescope; active galactic;
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The high-redshift Universe with Spitzer

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Published in 2020 at "Nature Astronomy"

DOI: 10.1038/s41550-020-1104-5

Abstract: When did galaxies start forming stars? What is the role of distant galaxies in galaxy formation models and the epoch of reionization? What are the conditions in typical star-forming galaxies at redshifts ≳4? Why is… read more here.

Keywords: high redshift; universe spitzer; spitzer; redshift universe ... See more keywords

Hot star extension to the Hubble Space Telescope stellar spectral library

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Published in 2017 at "Astronomy and Astrophysics"

DOI: 10.1051/0004-6361/201732545

Abstract: Libraries of stellar spectra find many uses in astrophysics, from photometric calibration to stellar population synthesis. We present low resolution spectra of 40 stars from 0.2 micrometers (ultraviolet) to 1.0 micrometers (near infrared) with excellent… read more here.

Keywords: space telescope; spectra; star; hubble space ... See more keywords

A Framework For Optimizing Exoplanet Target Selection For The James Webb Space Telescope

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Published in 2020 at "Publications of the Astronomical Society of the Pacific"

DOI: 10.1088/1538-3873/ab70da

Abstract: The James Webb Space Telescope (JWST) will devote significant observing time to the study of exoplanets. It will not be serviceable as was the Hubble Space Telescope, and therefore the spacecraft/instruments will have a relatively… read more here.

Keywords: space telescope; webb space; target; james webb ... See more keywords

The James Webb Space Telescope Mission: Optical Telescope Element Design, Development, and Performance

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Published in 2023 at "Publications of the Astronomical Society of the Pacific"

DOI: 10.1088/1538-3873/acada0

Abstract: The James Webb Space Telescope (JWST) is a large, infrared space telescope that has recently started its science program which will enable breakthroughs in astrophysics and planetary science. Notably, JWST will provide the very first… read more here.

Keywords: telescope; space telescope; james webb; space ... See more keywords
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Detecting the inner regions of discs around sources of microlensing with Roman Space Telescope

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Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa2377

Abstract: The inner region of circumstellar discs makes an extra near-infrared emission (NIR bump). Detecting and studying these NIR bumps from nearby stars have been done mostly through infrared interferometry. In this work, we study the… read more here.

Keywords: inner regions; space telescope; detecting inner; roman space ... See more keywords

Phenomenological power spectrum models for Hα emission line galaxies from the Nancy Grace Roman Space Telescope

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Published in 2022 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1591

Abstract: The High Latitude Spectroscopic Survey (HLSS) is the reference baseline spectroscopic survey for NASA’s Nancy Grace Roman space telescope, measuring redshifts of ∼10M Hα emission line galaxies over a 2000 deg2 footprint at z = 1… read more here.

Keywords: space telescope; grace roman; emission line; roman space ... See more keywords

Signatures of Exploding Supermassive PopIII Stars at High Redshift in JWST, EUCLID and Roman Space Telescope

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Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf1949

Abstract: Recently discovered supermassive black holes with masses of ∼108 M⊙ at redshifts z ∼ 9–11 in active galactic nuclei (AGN) pose severe challenges to our understanding of supermassive black hole formation. One proposed channel are rapidly… read more here.

Keywords: space telescope; jwst; popiii stars; roman space ... See more keywords

A Hubble Space Telescope survey for novae in M87 – III. Are novae good standard candles 15 d after maximum brightness?

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Published in 2018 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stx2873

Abstract: Ten weeks of daily imaging of the giant elliptical galaxy M87 with the Hubble Space Telescope (HST) has yielded 41 nova light curves of unprecedented quality for extragalactic cataclysmic variables. We have recently used these… read more here.

Keywords: hubble space; standard; space telescope; m87 ... See more keywords