The interstellar interlopers

D Jewitt, DZ Seligman - Annual Review of Astronomy and …, 2023 - annualreviews.org
Interstellar interlopers are bodies formed outside of the Solar System but observed passing
through it. The first two identified interlopers, 1I/'Oumuamua and 2I/Borisov, exhibited …

1I/'Oumuamua as an N2 Ice Fragment of an Exo‐Pluto Surface II: Generation of N2 Ice Fragments and the Origin of 'Oumuamua

SJ Desch, AP Jackson - Journal of Geophysical Research …, 2021 - Wiley Online Library
The origin of the interstellar object 1I/'Oumuamua has defied explanation. In a companion
paper (Jackson & Desch, 2021), we show that a body of N2 ice with axes 45 m× 44 m× 7.5 m …

The carbon monoxide-rich interstellar comet 2I/Borisov

D Bodewits, JW Noonan, PD Feldman, MT Bannister… - Nature …, 2020 - nature.com
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 …

A meteor of apparent interstellar origin in the CNEOS fireball catalog

A Siraj, A Loeb - The Astrophysical Journal, 2022 - iopscience.iop.org
The earliest confirmed interstellar object,'Oumuamua, was discovered in the solar system by
Pan-STARRS in 2017, allowing for a calibration of the abundance of interstellar objects of its …

A survey of CO, CO2, and H2O in comets and centaurs

OH Pinto, M Womack, Y Fernandez… - The Planetary Science …, 2022 - iopscience.iop.org
CO and CO 2 are the two dominant carbon-bearing molecules in comae and have major
roles in driving activity. Their relative abundances also provide strong observational …

Dark comets? Unexpectedly large nongravitational accelerations on a sample of small asteroids

DZ Seligman, D Farnocchia, M Micheli… - The Planetary …, 2023 - iopscience.iop.org
We report statistically significant detections of nonradial, nongravitational accelerations
based on astrometric data in the photometrically inactive objects 1998 KY 26, 2005 VL 1 …

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

Z **ng, D Bodewits, J Noonan… - The Astrophysical …, 2020 - iopscience.iop.org
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 …

Rate coefficients for rotational state-to-state transitions in H2O+ H2O collisions for cometary and planetary applications, as predicted by mixed quantum-classical …

B Mandal, D Babikov - Astronomy & Astrophysics, 2023 - aanda.org
Aims. We present new calculations of collision cross sections for state-to-state transitions
between the rotational states in an H 2 O+ H 2 O system, which are used to generate a new …

Characterization of the nucleus, morphology, and activity of interstellar comet 2I/Borisov by optical and near-infrared GROWTH, Apache Point, IRTF, ZTF, and Keck …

BT Bolin, CM Lisse, MM Kasliwal… - The Astronomical …, 2020 - iopscience.iop.org
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 …

Overview of the Galileo project

AA Loeb, FH Laukien - Journal of Astronomical Instrumentation, 2023 - World Scientific
The Galileo Project is the first systematic scientific research program in the search for
potential astro-archaeological artifacts or remnants of extraterrestrial technological …