A5010814960- Astro and Planetary Science
- Gamma-ray bursts and supernovae
- Stellar, planetary, and galactic studies
- Isotope Analysis in Ecology
- Astronomical Observations and Instrumentation
- Planetary Science and Exploration
- Astrophysics and Star Formation Studies
- Nuclear Physics and Applications
- Superconducting Materials and Applications
- Atmospheric Ozone and Climate
- Intestinal Malrotation and Obstruction Disorders
- Astrophysical Phenomena and Observations
- Mediterranean and Iberian flora and fauna
- Astronomy and Astrophysical Research
- Astrophysics and Cosmic Phenomena
- Space Exploration and Technology
- Geomagnetism and Paleomagnetism Studies
- Laser-induced spectroscopy and plasma
- Historical Astronomy and Related Studies
- Magnetic confinement fusion research
- Scientific Computing and Data Management
- Spacecraft and Cryogenic Technologies
- Anatomy and Medical Technology
- Geophysics and Gravity Measurements
Citizen (Japan)
2023-2025
Royal Astronomical Society
2023-2025
University of Oxford
2021
We present the Citizen Science program Active Asteroids and describe discoveries stemming from our ongoing project. Our NASA Partner is hosted on Zooniverse online platform launched 2021 August 31, with goal of engaging community in search for active asteroids -- comet-like tails or comae. also set out to identify other unusual solar system objects, such as Centaurs, quasi-Hilda asteroids, Jupiter-family comets (JFCs). objects are rare large part because they difficult identify, so we ask...
Abstract We report the discovery of an active asteroid, 2016 UU 121 , for first time via artificial intelligence-enhanced classification, informed by our NASA Partner program Active Asteroids a Citizen Science project hosted on Zooniverse platform. The early version deep neural network, TailNet identified potential activity associated with in 40 Dark Energy Camera (DECam) images from UT 2021 September 10 to 11. was vetted and confirmed core science team. In total, 66 DECam this object showed...
Abstract We report the discovery of cometary activity emanating from Main-belt asteroid 410590 (2008 GB 140 ), a finding facilitated, for first time, by an artificial intelligence (AI) assistant. The assistant, TailNet , is prototype we designed to enhance volunteer efforts our Citizen Science project Active Asteroids NASA Partner program hosted on Zooniverse platform. Our follow-up investigation revealed eight Dark Energy Camera images showing 2008 with tail spanning UT 2023 April 23–UT...
Dwarf novae are a crucial astrophysical laboratory for probing the nature of accretion, binary mass transfer, and evolution -- yet their diverse observational characteristics continue to challenge our theoretical understanding. We here present discovery of, subsequent observing campaign on GOTO065054+593624 (hereafter GOTO0650), dwarf nova WZ Sge type, discovered in real-time by citizen scientists via Kilonova Seekers science project. An extensive dataset charts photometric spectroscopic...
Abstract We report the discovery of cometary activity in form a pronounced tail emanating from Near-Earth Object (523822) 2012 DG 61 , identified UT 2024 April 18 Dark Energy Camera images by our AI assistant TailNet. TailNet is an designed to filter out unlikely show for volunteers NASA Partner “Active Asteroids” Citizen Science campaign, which trained. Subsequently, archival investigation revealed DG61 recurrently active after we found it displaying 2018 16 Steward Observatory Bart Bok 2.3...
Abstract Here, we report the identification of 69 tracks in approximately 250 cm 2 aerogel collectors Stardust Interstellar Dust Collector. We identified these through Stardust@home, a distributed internet‐based virtual microscope and search engine, which > 30,000 amateur scientists collectively performed >9 × 10 7 searches on 6 fields view. Using calibration images, measured individual detection efficiency, found that efficiency for 2.5 μm diameter was >0.6, >0.75 >3...
ABSTRACT We report the discovery and analysis of a massive, compact, hierarchical triple system (TIC 470710327) initially identified by citizen scientists in data obtained NASA’s Transiting Exoplanet Survey Satellite (TESS). Spectroscopic follow-up observations with hermes spectrograph, combined eclipse-timing variations (ETVs), confirm that is comprised three OB stars, compact 1.10 d eclipsing binary non-eclipsing tertiary on 52.04 orbit. Dynamical modelling (from radial velocity ETVs)...
Abstract We report evidence of comet-like activity on asteroid 2009 DQ118, a quasi-Hilda object near the 3:2 interior mean-motion resonance with Jupiter. This discovery was made by volunteers as part Active Asteroids Citizen Science project, NASA Partner hosted Zooniverse platform. Follow-up archival searches yielded over 20 images DQ118 exhibiting tail UT 2016 March 8 and 9 acquired Dark Energy Camera Blanco 4 m telescope at Cerro Tololo Inter-American Observatory, Chile. These were taken...
Abstract We have discovered two epochs of activity on quasi-Hilda 2009 DQ 118 . Small bodies that display comet-like activity, such as active asteroids and quasi-Hildas, are important for understanding the distribution water other volatiles throughout solar system. Through our NASA Partner Citizen Science project, Active Asteroids, volunteers classified archival images displaying activity. By performing an in-depth image search, we found over 20 from UT 2016 March 8–9 with clear signs a...
Abstract We report the discovery of cometary activity from minor planet 2011 UG 104 , which we classify as a Jupiter Family Comet (JFC). This was aided by our Artificial Intelligence (AI) classification system: TailNet . JFC's, short-period comets with eccentric Jupiter-crossing orbits, originate Kuiper Belt and thus give us unique insight into composition distribution volatiles in outer solar system, past present. Our AI assistant first classified active, affirmed Citizen Scientists on NASA...
Abstract We announce the discovery of a main-belt comet (MBC), 2010 LH 15 (alternately designated TJ 175 ). MBCs are rare type asteroid that display comet-like activity, such as tails or comae, caused by sublimation. Consequently, help us map location solar system volatiles, providing insight into origins material prerequisite for life we know it. However, have proven elusive, with fewer than 20 found among 1.1 million known asteroids. This finding derives from Active Asteroids, NASA Partner...
Abstract We present the discovery of activity originating from quasi-Hilda Object 2018 CZ 16 , a finding stemming Citizen Science project Active Asteroids . For we identified broad (∼60°) but short (∼5″) tail in archival Blanco 4 m data Cerro Tololo Inter-American Observatory, Chile, (CTIO) Dark Energy Camera images UT May 15, 17 and 18. Activity occurred 2 months prior to perihelion, consistent with sublimation-driven activity.
Abstract We announce the discovery of activity, in form a distinct cometary tail, emerging from main-belt asteroid 2015 VA 108 . Activity was first identified by volunteers Citizen Science project Active Asteroids (a NASA Partner). uncovered one additional image same observing run which also unambiguously shows with tail oriented between anti-solar and anti-motion vectors that are often correlated activity orientation on sky. Both publicly available archival images were originally acquired...
Abstract We present the discovery of cometary activity on 2018 OR as part our Active Asteroids project, a NASA Partner Program fueled by Zooniverse Citizen Scientists. Volunteers found with long, diffuse tail in archival images from Dark Energy Camera Blanco 4 m telescope at Cerro Tololo Inter-American Observatory Chile. Our team identified additional Canada–France–Hawaii–Telescope MegaCam and Zwicky Transient Facility data after classification Activity originating directed anti-solar...
Abstract We present evidence that, on UT 2018 February 15, main-belt asteroid (588045) 2007 FZ 18 displayed cometary activity in the form of two tails, one each anti-solar and anti-motion directions. Activity was first identified by volunteers NASA Partner program Active Asteroids, a Citizen Science hosted Zooniverse platform, an image acquired with Dark Energy Camera Blanco 4 m telescope at Cerro Tololo Inter-American Observatory Chile. Notably, is inbound toward perihelion, so observations...
Abstract We present the discovery of activity emanating from main-belt asteroid 2015 FW 412 , a finding stemming Citizen Science project Active Asteroids NASA Partner program. identified pronounced tail originating and oriented in anti-motion direction archival Blanco 4 m (Cerro Tololo Inter-American Observatory, Chile) Dark Energy Camera images UT April 13, 18, 19, 21 22. Activity occurred near perihelion, consistent with comets (MBCs), an active subset known for sublimation-driven main...
Abstract We report the discovery of cometary activity associated with minor planet 2005 XR 132 , a finding facilitated by our NASA Partner program Active Asteroids hosted on Zooniverse online Citizen Science platform. Volunteers identified in Dark Energy Camera image from UT 2021 March 26, and own investigation uncovered additional images Zwicky Transient Facility data spanning January 3 through 31. has semimajor axis = 3.760 au, eccentricity e 0.432, inclination i 14.°474, Tisserand...
Abstract We report that minor planet 2004 CV 50 displayed cometary activity in the form of a short, diffuse tail, first identified by volunteers Citizen Science program Active Asteroids , NASA Partner hosted on Zooniverse online platform. The is present three images, from UT 2020 February 15 and March 14, were acquired with Dark Energy Camera Blanco 4 m telescope at Cerro-Tololo Inter-American Observatory Chile. find most likely an active quasi-Hilda object rather than asteroid, despite...
Abstract We have discovered evidence of cometary activity originating from (551023) 2012 UQ 192 (alternately designated 2019 SN 40 ), which we dynamically classify as a Jupiter Family Comet (JFC). JFCs eccentric Jupiter-crossing orbits and originate in the Kuiper Belt. Analysis these objects can provide vital information about minor planets outer solar system, such distribution volatiles within system. Activity on was first recognized by volunteers our NASA Partner Citizen Science project...
Abstract We report our discovery of cometary activity in the form a diffuse tail associated with minor planet 2008 QZ 44 during two previous orbits: and 2017. This finding was prompted part by Active Asteroids , Zooniverse -hosted NASA Partner Citizen Science program. Participants flagged UT 2017 July 12 Dark Energy Camera images as active. Independently, team identified nine Canada-France-Hawaii Telescope MegaPrime from November 20. During both apparitions near its perihelion passage. has...
Abstract We have detected cometary activity on minor planet 2019 OE 31 through both the Active Asteroids Citizen Science program and an independent archival search. Before 2013, was a Centaur orbit, between orbits of Jupiter Neptune. Centaurs are objects in transition from outer solar system to inner system. They play vital role understanding Kuiper Belt comets. In 2013 October, following close encounter with Jupiter, moved orbit entirely interior that Jupiter. This reduced orbital distance...
Abstract We announce the discovery of cometary activity emitting from minor planet 2018 VL 10 in Dark Energy Camera images spanning UT December 31 to 2019 March 3. The was identified by volunteers our NASA Partner program Active Asteroids , a Zooniverse -hosted Citizen Science project designed find previously unknown known planets. Notably, crosses orbits Mars and Jupiter, experiences close approaches less than 0.5 au with both Earth Jupiter. classify as member Jupiter-family comets, group...
Abstract We report the discovery of cometary activity emanating from minor planet 2015 VP 51 outbound its recent perihelion passage. The activity, in form a diffuse tail, was first identified by volunteers our Citizen Science program Active Asteroids , NASA Partner hosted on Zooniverse platform. This aided recently implemented TailNet artificial intelligence assistant which filters out images with low likelihood showing activity. tail is present nine Dark Energy Camera and OmegaCAM between...
Abstract We present the discovery of a short, diffuse tail on minor planet 2010 MK 43 (alternate designation RA 78 )—an object previously identified as an asteroid in cometary orbit—by volunteers our Citizen Science program Active Asteroids . Our follow-up investigation revealed eight Dark Energy Camera images showing with spanning UT 2024 February 12–UT 18 when was outbound from perihelion. now classify Jupiter-family comet based its Tisserand parameter respect to Jupiter T J = 2.888,...