activity
20162024
most citedThe carbon monoxide-rich interstellar comet 2I/Borisov

118 citations · 326 across the 20 of their papers we have counts for

collaborators

22 papers

astro-ph.EP2024

The Volatile Composition and Activity Evolution of Main-Belt Comet 358P/PANSTARRS

Henry H. Hsieh, John W. Noonan, Michael S. P. Kelley +17

We report the detection of water vapor associated with main-belt comet 358P/PANSTARRS on UT 2024 January 8-9 using the NIRSPEC instrument aboard JWST. We derive a water production…

astro-ph.EP2024

Jupiter Co-Orbital Comet P/2023 V6 (PANSTARRS): Orbital History and Modern Activity State

Theodore Kareta, John W. Noonan, Kathryn Volk +2

The discovery of the transient Jupiter co-orbital comet P/2019 LD2 (ATLAS) drew significant interest. Not only will LD2 transition between being a Centaur and a Jupiter Family Come…

astro-ph.EP2024

Asteroid collisions: expected visibility and rate

E. O. Ofek, D. Polishook, D. Kushnir +9

Asteroid collisions are one of the main processes responsible for the evolution of bodies in the main belt. Using observations of the Dimorphos impact by the DART spacecraft, we es…

astro-ph.EP2023★ 5 cited

Dynamical feasibility of (3) Juno as a parent body of the H chondrites

John W. Noonan, Kathryn Volk, David Nesvorný +1

We test the hypothesis that (3) Juno is a parent body of the H chondrites with dynamical modeling of an asteroid-family-forming impact and comparison to current observational data.…

astro-ph.EP2023

Ice, Ice, Maybe? Investigating 46P/Wirtanen's Inner Coma For Icy Grains

Theodore Kareta, John W. Noonan, Walter M. Harris +1

The release of volatiles from comets is usually from direct sublimation of ices on the nucleus, but for very or hyper-active comets other sources have to be considered to account f…

astro-ph.EP2022

The Volatile Carbon to Oxygen Ratio as a Tracer for the Formation Locations of Interstellar Comets

Darryl Z. Seligman, Leslie A. Rogers, Samuel H. C. Cabot +13

Based on the occurrence rates implied by the discoveries of 1I/`Oumuamua and 2I/Borisov, the forthcoming Rubin Observatory Legacy Survey of Space and Time (LSST) should detect $\ge…

astro-ph.EP2022★ 1 cited

The Nature of Low-Albedo Small Bodies from 3-m Spectroscopy: One Group that Formed Within the Ammonia Snow Line and One that Formed Beyond It

Andrew S. Rivkin, Joshua P. Emery, Ellen S. Howell +9

We present evidence, via a large survey of 191 new spectra along with previously-published spectra, of a divide in the 3-m spectral properties of the low-albedo asteroid populat…

astro-ph.EP2021

Radial Distribution of the Dust Comae of Comets 45P/Honda-Mrkos-Pajduusáková and 46P/Wirtanen

C. Lejoly, W. Harris, N. Samarasinha +21

There was an unprecedented opportunity to study the inner dust coma environment, where the dust and gas are not entirely decoupled, of comets 45P/Honda-Mrkos-Pajduusáková (45P/HMP)…

astro-ph.EP2021★ 1 cited

Spatial Distribution of Ultraviolet Emission from Cometary Activity at 67P/Churyumov-Gerasimenko

John W. Noonan, Dominique Bockelée-Morvan, Paul D. Feldman +16

The Alice ultraviolet spectrograph on board the \textit{Rosetta} orbiter provided the first near-nucleus ultraviolet observations of a cometary coma from arrival at comet 67P/Chury…

astro-ph.EP2021★ 8 cited

Analysis of Hybrid Gas-Dust Outbursts Observed at 67P/Churyumov-Gerasimenko

John W. Noonan, Giovanna Rinaldi, Paul D. Feldman +14

Cometary outbursts offer a valuable window into the composition of comet nuclei with their forceful ejection of dust and volatiles in explosive events, revealing the interior compo…

astro-ph.EP2020

FUV Observations of the Inner Coma of 46P/Wirtanen

John W. Noonan, Walter M. Harris, Steven Bromley +6

Far ultraviolet observations of comets yield information about the energetic processes that dissociate the sublimated gases from their primitive surfaces. Understanding which emiss…

astro-ph.IM2020

Ultraviolet-Based Science in the Solar System: Advances and Next Steps

Amanda R. Hendrix, Tracy M. Becker, Dennis Bodewits +25

We review the importance of recent UV observations of solar system targets and discuss the need for further measurements, instrumentation and laboratory work in the coming decade.…

astro-ph.IM2020★ 1 cited

The Crucial Role of Ground- and Space-Based Remote Sensing Studies of Cometary Volatiles in the Next Decade (2023-2032)

Nathan X. Roth, Dennis Bodewits, Boncho Bonev +15

The study of comets affords a unique window into the birth, infancy, and subsequent history of the solar system. There is strong evidence that comets incorporated pristine interste…

astro-ph.EP2020★ 118 cited

The carbon monoxide-rich interstellar comet 2I/Borisov

D. Bodewits, J. W. Noonan, P. D. Feldman +7

Interstellar comets offer direct samples of volatiles from distant protoplanetary disks. 2I/Borisov is the first notably active interstellar comet discovered in our solar system[1]…

astro-ph.EP2020★ 50 cited

Water production rates and activity of interstellar comet 2I/Borisov

Zexi Xing, Dennis Bodewits, John Noonan +1

We observed the interstellar comet 2I/Borisov using the Neil Gehrels-Swift Observatory's Ultraviolet/Optical Telescope. We obtained images of the OH gas and dust surrounding the nu…

astro-ph.EP2019★ 40 cited

Carbon Chain Depletion of 2I/Borisov

Theodore Kareta, Jennifer Andrews, John W. Noonan +10

The composition of comets in the Solar System come in multiple groups thought to encode information about their formation in different regions of the outer protosolar disk. The rec…

astro-ph.EP2019★ 1 cited

Upper Limits for Emissions in the Coma of Comet 67P/Churyumov-Gerasimenko Near Perihelion as Measured by Rosetta's Alice Far-Ultraviolet Spectrograph

B. A. Keeney, S. A. Stern, R. J. Vervack +13

The Alice far-UV imaging spectrograph (700-2050 A) acquired over 70,000 spectral images during Rosetta's 2-year escort mission, including over 20,000 in the months surrounding peri…

astro-ph.EP2019★ 20 cited

Physical Characterization of the December 2017 Outburst of the Centaur 174P/Echeclus

Theodore Kareta, Benjamin Sharkey, John Noonan +4

The Centaurs are the small solar system bodies intermediate between the active inner solar system Jupiter Family Comets and their inactive progenitors in the trans-Neptunian region…

astro-ph.EP2019★ 5 cited

Stellar Occultation by Comet 67P/Churyumov-Gerasimenko Observed with Rosetta's Alice Far-Ultraviolet Spectrograph

B. A. Keeney, S. A. Stern, P. D. Feldman +13

Following our previous detection of ubiquitous H2O and O2 absorption against the far-UV continuum of stars located near the nucleus of Comet 67P/Churyumov-Gerasimenko, we present a…

astro-ph.EP2018★ 20 cited

Ultraviolet Observations of Coronal Mass Ejection Impact on Comet 67P/Churyumov-Gerasimenko by Rosetta Alice

John W. Noonan, S. Alan Stern, Paul D. Feldman +13

The Alice ultraviolet spectrograph on the European Space Agency Rosetta spacecraft observed comet 67P/Churyumov-Gerasimenko in its orbit around the Sun for just over two years. Ali…

astro-ph.EP2017★ 21 cited

FUV Spectral Signatures of Molecules and the Evolution of the Gaseous Coma of Comet 67P/Churyumov-Gerasimenko

Paul D. Feldman, Michael F. A'Hearn, Jean-Loup Bertaux +10

The Alice far-ultraviolet imaging spectrograph onboard Rosetta observed emissions from atomic and molecular species from within the coma of comet 67P/Churyumov-Gerasimenko during t…

astro-ph.EP2016★ 35 cited

The Nature and Frequency of the Gas Outbursts in Comet 67P/Churyumov-Gerasimenko observed by the Alice Far-ultraviolet Spectrograph on Rosetta

Paul D. Feldman, Michael F. A'Hearn, Lori M. Feaga +7

Alice is a far-ultraviolet imaging spectrograph onboard Rosetta that, amongst multiple objectives, is designed to observe emissions from various atomic and molecular species from w…