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Science Impacts of the SPHEREx All-Sky Optical to Near-Infrared Spectral Survey: Report of a Community Workshop Examining Extragalactic, Galactic, Stellar and Planetary Science
Olivier Doré, Michael W. Werner, Matt Ashby +65
SPHEREx is a proposed SMEX mission selected for Phase A. SPHEREx will carry out the first all-sky spectral survey and provide for every 6.2" pixel a spectra between 0.75 and 4.18 $…
A Tale of Three Galaxies: A "Clumpy" View of the Spectroscopically Anomalous Galaxies IRAS F10398+1455, IRAS F21013-0739 and SDSS J0808+3948
Yanxia Xie, Robert Nikutta, Lei Hao +1
We investigate the dust properties in three spectroscopically anomalous galaxies (IRAS F10398+1455, IRAS F21013-0739 and SDSS J0808+3948). Their Spitzer/IRS spectra are characteriz…
On the Relation between the Mysterious 21 Micrometer Emission Feature of Post-Asymptotic Giant Branch Stars and Their Mass Loss Rates
Ajay Mishra, Aigen Li, B. W. Jiang
Over two decades ago, a prominent, mysterious emission band peaking at ~20.1 micrometer was serendipitously detected in four preplanetary nebulae (PPNe; also known as "protoplaneta…
Cosmic Dust VII
Hiroshi Kimura, Ludmilla Kolokolova, Aigen Li +3
This is an editorial to the special issue on Cosmic Dust VII.
Light Scattering and Thermal Emission by Primitive Dust Particles in Planetary Systems
Hiroshi Kimura, Ludmilla Kolokolova, Aigen Li +1
This review focuses on numerical approaches to deducing the light-scattering and thermal-emission properties of primitive dust particles in planetary systems from astronomical obse…
Interstellar chemical differentiation across grain sizes
J. X. Ge, J. H. He, Aigen Li
In this work we investigate the effects of ion accretion and size-dependent dust temperatures on the abundances of both gas-phase and grain-surface species. While past work has ass…