activity
20102026
most citedThe Composition of Comets

118 citations · 495 across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.EP2026

The Highly Unusual Behavior and Chemical Composition of Interstellar Comet 2I/Borisov

Allison N. Bair, David G. Schleicher, Theodore Kareta +2

We report on imaging, spectroscopy, and narrowband photometry of interstellar comet 2I/Borisov obtained at Lowell Observatory from 2019 September 13 to December 16. We measured che…

astro-ph.EP2025

Comprehensive Analyses of the Strongly Carbon-chain Depleted Comets in Lowell Observatory's Narrowband Photometry Database

Allison N. Bair, David G. Schleicher

We present measurements, analyses and results for the seventeen strongly carbon-chain depleted comets in Lowell Observatory's narrowband photometry database. The majority of comets…

astro-ph.EP2024

The Extreme Activity in Comet Hale-Bopp (C/1995 O1): Investigations of Extensive, Narrowband Photoelectric Photometry

David G. Schleicher, Peter V. Birch, Tony L. Farnham +1

Conventional narrowband photoelectric photometry of Comet Hale-Bopp (1995 O1) was obtained on 99 nights from mid-1995 to early-2000, yielding gas and dust production rates over an…

astro-ph.EP2022

Comet 21P/Giacobini-Zinner: Narrowband Photometry of the Prototype of Carbon-Chain Depleted Comets at Multiple Apparitions

David G. Schleicher

We obtained extensive narrowband photoelectric photometry of Comet 21P/Giacobini-Zinner with observations spanning 33 years. The original data from 1985 (Schleicher et al. 1987) we…

astro-ph.EP2021

Narrowband Observations of Comet 46P/Wirtanen During its Exceptional Apparition of 2018/19 II: Photometry, Jet Morphology, and Modeling Results

Matthew M. Knight, David G. Schleicher, Tony L. Farnham

We report on our extensive photometry and imaging of Comet 46P/Wirtanen during its 2018/19 apparition and use these data to constrain modeling of Wirtanen's activity. Narrowband ph…

astro-ph.EP2020

Narrowband Observations of Comet 46P/Wirtanen During Its Exceptional Apparition of 2018/19 I: Apparent Rotation Period and Outbursts

Tony L. Farnham, Matthew M. Knight, David G. Schleicher +4

We obtained broadband and narrowband images of the hyperactive comet 46P/Wirtanen on 33~nights during its 2018/2019 apparition, when the comet made an historic close approach to th…