Accès ouvert
2025
article
OpenAlex
Kenneth T Gillingham, Lint Barrage, Sarah Armitage, Dallas Burtraw et autres
Research is needed to quantify impacts and understand interactions with the broader economy.
us, ch, gb, se, ca, be, de
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2025
conference-paper
OpenAlex
Michael C. Sands, Ross S. Chaudhry, Audrey Gaymann, N. A. Miller et autres
Dragonfly is a NASA mission that aims to deliver a rotorcraft to explore the near-surface environment of Saturn's moon Titan. The flow around the Dragonfly capsule entering the Titan atmosphere is simulated and used to determine the associated radiation. The goal of …
us
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Accès ouvert
2024
report
OpenAlex
Hendrik Döpper, Alex Mackay, N. A. Miller, Joel Stiebale
We thank
de, us
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Accès ouvert
2024
article
OpenAlex
Sean J. Gunderson, K. G. Gayley, David P. Huenemoerder, Pragati Pradhan et autres
ABSTRACT We fit the high-resolution Chandra X-ray spectra of the O supergiant ζ Puppis using the variable boundary condition (VBC) line model to test the stability of its mass-loss rate between two epochs of observation: 2000 March and 2018 July – 2019 …
us
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Accès ouvert
2024
preprint
OpenAlex
Hendrik Döpper, Alexander MacKay, N. A. Miller, Joel Stiebale
de, us
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Accès ouvert
2022
article
OpenAlex
Sean J. Gunderson, K. G. Gayley, Pragati Pradhan, David P. Huenemoerder et autres
ABSTRACT We fit a new line shape model to Chandra X-ray spectra of the O supergiant ζ Puppis to test the robustness of mass-loss rates derived from X-ray wind line profiles against different assumed heating models. Our goal is to track the …
us
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Accès ouvert
2021
article
OpenAlex
Lauren M. Littell, Lisa Roelle, Aarti S Dalal, George Van Hare et autres
us
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2020
article
OpenAlex
Hansung B. Gim, Min S. Yun, Frazer N. Owen, Emmanuel Momjian et autres
2020
conference-abstract
OpenAlex
N. A. Miller, Joy S. Nichols, Yaël Nazé, David P. Huenemoerder et autres
Many previous studies of ζ Puppis (O4I(n)fp) at a variety of wave bands have reported periodic variability for this star. These studies found periods ranging from less than a day up to approximately 5 days, with much recent interest centered on the …
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2020
conference-abstract
OpenAlex
Joy S. Nichols, David P. Huenemoerder, Yaël Nazé, J. Lauer et autres
We present the results of a time variability study using the recently acquired HETG Chandra spectra of the early O star zeta Pup, an extremely deep cumulative exposure of 840 ks. This legacy data set is one of the highest S/N high …
us, be
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2019
article
OpenAlex
Xuezi Dan, Alexander Rasch, Joel Stiebale, Justus Haucap et autres
Judge Douglas Ginsburg, Frederic Jenny, William Kovacic, Alejandra Palacios Prieto, Rebecca Slaughter, Joshua Wright...
Accès ouvert
2019
preprint
OpenAlex
Graeme E. Addison, M. R. Greason, T. B. Griswold, T. R. Jaffe et autres
This is an overview of the data products and other resources available through NASA's LAMBDA site https://lambda.gsfc.nasa.gov/. An up-to-date version of this document, along with code tools actively maintained and developed by LAMBDA staff, can be found on the LAMBDA GitHub page …
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