DE , Kishalay

Last name: DE

First name: Kishalay

August 5, 2024 (v1)

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An Infrared Census of R Coronae Borealis Stars II—Spectroscopic Classifications and Implications for the Rate of Low-mass White Dwarf Mergers

Karambelkar, Viraj Kasliwal, Mansi Tisserand, Patrick

Abstract We present results from a systematic infrared (IR) census of R Coronae Borealis (RCB) stars in the Milky Way, using data from the Palomar Gattini IR (PGIR) survey. RCB stars are dusty, erratic variable stars presumably formed from the merger of a He-core and a CO-core white dwarf (WD). PGIR is a 30 cm J -band telescope with a 25 deg 2...

Uploaded on: January 13, 2025
September 1, 2020 (v1)

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Characterization of Temporarily Captured Minimoon 2020 CD 3 by Keck Time-resolved Spectrophotometry

Bolin, Bryce Fremling, Christoffer Holt, Timothy

International audience

Uploaded on: December 4, 2022
2020 (v1)

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Characterization of the Nucleus, Morphology, and Activity of Interstellar Comet 2I/Borisov by Optical and Near-infrared GROWTH, Apache Point, IRTF, ZTF, and Keck Observations

Bolin, Bryce T. Lisse, Carey M. Kasliwal, Mansi M.

We present visible and near-infrared (NIR) photometric and spectroscopic observations of interstellar object (ISO) 2I/Borisov taken from 2019 September 10 to 2019 December 20 using the GROWTH, the Apache Point Observatory Astrophysical Research Consortium 3.5 m, and the NASA Infrared Telescope Facility 3.0 m combined with pre- and postdiscovery...

Uploaded on: December 4, 2022

DE , Kishalay

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