Planet ISO 3I

Related publications

• Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich

  2026 FERELLEC L., OPITOM C. & SNODGRASS C.
  MNRAS , in press
  paper  

• In Consideration of Artificial Nanoprobes Jet Ejection from the Interstellar Object 3I/ATLAS

  2026 LONG K.
  JBIS
  paper  

• Perihelion Asymmetry in the Water Production Rate of the Interstellar Object 3I/ATLAS

  2026 TAN H., YAN X. & LI J.-Y.
  ApJ Letters , 998 , L22
  paper   arxiv  

• Spatial profiles and scale lengths of nickel, iron, and CN on the interstellar comet 3I/ATLAS

  2026 MURA A., KAWAKITA H., LA FORGIA F., CREMONESE G., LAZZARIN M. et al.
  Astron. & Astrophys. , 712 , A9
  paper  

• Post-Perihelion Integral Field Spectroscopy of the Interstellar Comet 3I/ATLAS

  2026 HOOGARDEN W., JONES D., YANG B., SHAPPEE B. WRAY J. et al.
  ApJ , 1003
  <paper   a target= "_blank" href=" https://doi.org/10.48550/arXiv.2601.16983">arxiv  

• Linking System of Jets to the Non-Gravitational Acceleration of 3I/ATLAS

  2026 SCARMATO T. & LOEB A.
  Astron. J. , submitted
  arxiv  

• Effect of different Non-Gravitational accelerations on the trajectory of Interstellar Comet 3I/ATLAS

  2026 AHUJA G. & GANESH Sh.
  Res. Notes AAS , 10 , 19
  paper   arxiv  

• Water D/H in 3I/ATLAS as a probe of formation conditions in another planetary system

  2026 SALAZAR-MANZANO L., PANEQUE-CARREÑO T., CORDINER M., BERGIN E., LIN H. et al.
  Nature Astronomy , 10 , 988
  paper   arxiv  

• From Anomaly to Candidate Technosignature: The Threshold Problem of the Loeb Scale

  2026 SZOCIK K. & LOEB A.
  arxiv  

• The Volatile Inventory of 3I/ATLAS as seen with JWST/MIRI

  2026 BELYAKOV M., WONG I., BOLIN B., DAVIS M., BROMLEY S. et al.
  ApJ. Letters , submitted
  arxiv  

• Nucleus and Postperihelion Activity of Interstellar Object 3I/ATLAS Observed by Hubble Space Telescope

  2026 HUI M.-T., JEWITT D., MUTCHLER M., AGARWAL J., & KIM Y.
  ApJ. Letters , 999 , L37
  paper   arxiv  

• A Two-Dimensional Analytic Solution for the Generation of Hyperbolic Trajectories Via A Single Close Encounter with Applications To Interstellar Objects

  2026 MONK H. & SELIGMAN D.
  MNRAS , in press
  paper   arxiv  

• Origin and evolution of NiI and FeI in the coma of the interstellar comet 3I/ATLAS throughout its trajectory

  2026 HUSTEMEKER D., MANFROID J., OPITOM C., JEHIN E., KRISHNAKUMAR A. et al.
  Astron. & Astrophys. , submitted
  arxiv  

• Preperihelion CN Production Rate of Interstellar Comet 3I/ATLAS

  2026 LAZZARIN M., MURA A., LA FORGA F., CREMONESE G., CAMBIANICA P. et al.
  ApJ. Letters , 998 , L30
  paper  

• The Cosmic Sulfur Depletion Problem Extends to Interstellar Object 3I/ATLAS

  2026 NOONAN J., BODEWITS D., CORDINER M., FARNOCCHIA D., MICHELI M. et al.
  ApJ Letters , 1007 , L42
  paper  

• TSSC Comet-centered Data Products from TESS 3I/ATLAS Observations

  2026 MARTINEZ-PALOMERA J., TUSON A. & TESS Science Support Center
  Res. Notes AAS , 10 , 28
  paper   arxiv  

• The Inbound Gas and Dust Evolution of Interstellar Comet 3I/ATLAS from Optical Spectroscopy and Multiband Photometry

  2026 SANTANA-ROS T., SERGUEYEV A., IVANOVA O., MYKHAILOVA S., MARKKANEN J. et al.
  ApJ , 1007 , 182
  paper   arxiv  

• Pre-perihelion Emergence of the CN Gas Coma in 3I/ATLAS Temporally and Spatially Resolved by the 7-Dimensional Telescope

  2026 PAEK G., IM M., JEONG M., CHOI H., BACH Y. et al.
  ApJ , accepted
  arxiv  

• Photometric Analysis of the Interstellar Comet 3I/ATLAS During its Pre-perihelion Period

  2026 WESOLOWSKI M., RYSKE J., CARSON P. & GRITSEVICH M.
  PASP , 138 , 024402
  paper  

• Pre-perihelion Volatile Evolution of Interstellar Comet 3I/ATLAS Indicating Significant Contribution from Extended Source in the Coma

  2026 LI J., SHI X., HUI M.-T. & SHI J.
  ApJ Letters , 999 , L12
  paper   arxiv  

• Potential thermal profiles of the third interstellar object 3I/ATLAS

  2026 YAGINUMA A., TAYLOR A. & SELIGMAN D.
  MNRAS , 546 , stag162
  paper  

• Dust activity of interstellar comet 3I/ATLAS (C/2025 N1) at 4.3–4.5 au from VLT/FORS2 imaging

  2026 PRATIK P.
  MNRAS , 549 , stag867
  paper  

• Periodic Radio Technosignature Search Toward 3I/ATLAS with FAST

  2026 JIAN-KANG L., TAO Zh-Zh., ZHANG T.-J. & LIU M.-Q.
  Astron. J. , 172 , 173
  paper  

• Periodic Wobble of the Post-Perihelion Jet Structure Around 3I/ATLAS

  2026 SCARMATO T. & LOEB A.
  arxiv  

• Dust Activity Evolution and Constraints on Icy Grains in the Interstellar Comet 3I/ATLAS

  2026 LIU B., ZHANG X., LIU X. & HUI M.-T.
  ApJ Letters. , 1008 , L26
  paper  

• Assessment of the Mass Loss and Radius Change of 3I/ATLAS Based on Observed Production Rates

  2026 FRINCKE T. & SELIGMAN D.
  MNRAS , submitted
  arxiv  

• Contemporaneous Optical and Near-Infrared Observations of the Interstellar Comet 3I/ATLAS Pre- and Post-Perihelion

  2026 MEDLER K., HOOGENDAM W., ASHALL Ch., YANG B., WAY J. et al.
  Astron. J. , 172 , 25
  paper   arxiv  

• IFU Observations of Comet 3I/ATLAS = C/2025 N1 (ATLAS) using the Hobby-Eberly Telescope with the VIRUS Instrument

  2026 COCHRAN A., ZEIMANN G., JEHIN E., KAWAKITA H. & McKAY A.
  Plan. Sci. J. , accepted
  arxiv  

• Time-Domain Photometry and Activity Evolution of Interstellar Comet 3I/ATLAS with BHTOM

  2026 GILLAN A., WYRZYKOWSKI L., MIKOLAJCSYK P., KOTYSZ K., BUFANDA E. et al.
  Astron. & Astrophys. , submitted
  arxiv  

• Systematic and Statistical Uncertainties in the Non-Gravitational Acceleration of 3I/ATLAS

  2026 SPADA F., KROLIKOWSKA M. & DONES L.
  Astron. & Astrophys. , submitted
  arxiv  

• Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich

  2026 FERELLEC L., OPITOM C. & SNODGRASS C.
  MNRAS , 551 , stag1402
  paper   arxiv  

• Multi-Wavelength Post-Perihelion Polarimetry of Interstellar Comet 3I/ATLAS

  2026 GRAY Z., BORISOV G., KOLOKOLOVA L., MARKKANEN J., KWON Y. et al.
  Astron. J. , submitted
  arxiv  

• Analysis of Nongravitational Acceleration of Interstellar Comet 3I/ATLAS

  2026 MEDVEDEV Y., PAVLOV S. & TOLSTOI A.
  Sol Syst Res , 60 , 15
  paper  

• Post-perihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy

  2026 ZHAO R., ZHANG X., YANG B., FAN X., WANG Sh. et al.
  ApJ. Letters , 1004 , L24
  paper   arxiv  

• JCMT detection of HCN emission from 3I/ATLAS at 2.1 AU

  2026 COULSON I., KUAN Y.-J., CHARNLEY S., CORDINER M., CHUANG Y.-L. et al.
  MNRAS , in press
  paper   arxiv  

• High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS

  2026 OPITOM C., MANFROID J., HUTSEMEKERS D., JEHIN E., KNIGHT M. et al.
  Nature , submitted
  arxiv  

• A Direct View of the Chemical Properties of Water from Another Planetary System: Water D/H in 3I/ATLAS

  2026 SALAZAR MANZANO L., PANEQUE-CARREÑO, CORDINER M., BERGIN E. et al.
  Nature Astronomy , submitted
  arxiv  

• Isotopic evidence for a cold and distant origin of 3I/ATLAS

  2026 CORDINER M., ROTH N., MICHELI M., VILLANUEVA G., FARNOCCHIA D. et al.
  Nature , 655 , 875
  paper   arxiv  

• The physics of cometary antitails as observed in 3I/ATLAS

  2026 KETO E. & LOEB A.
  MNRAS , 545 , staf2054
  paper  

• 2026 January Gemini imaging and spectroscopic monitoring of 3I/ATLAS

  2026 BOLIN B., WONG I., ABRON L.-M., LEMAUX B., ALAMOS L. et al.
  The Astronomer's Telegram , 17841
  paper  

• Interstellar Object 3I/ATLAS Observed from Mars by China's Tianwen-1 Spacecraft

  2026 REN X., YAN W., ZHAO R., WANG Sh., GAO X. et al.
  ApJ Letters , submitted
  arxiv  

• On Perihelion Predictions for Visiting Interstellar Cometary Objects

  2026 LONG K.
  J. British Interplan. Soc , 78 , 389
  paper  

• High water D/H ratio of the interstellar object 3I/ATLAS is consistent with a low-metallicity origin

  2026 FURUYA K., CORDINER M., BOCKELEE-MORVAN D., BODEWITS D., CHANDLER C. et al.
  ApJ. Letters , 1009 , L25
  paper   arxiv  

• Inferring the mass and size of 3I/ATLAS from its non-gravitational acceleration

  2026 THOSS V., LOEB A. & BURKERT A.
  Astron. & Astrophys. , submitted
  arxiv  

• Delayed Methane Detection in 3I/ATLAS: GCR-Driven Subsurface Stratification and Interstellar Exposure Age Constraints

  2026 RAWAT A. & ACHARYYA K.
  ApJ , accepted
  arxiv  

• JWST Reveals Refractory-Rich Water Ice in Interstellar Comet 3I/ATLAS: Evidence for a Continuum of Grain Properties across Protoplanetary Disks

  2026 PROTOPAPA S., KELLEY M., CORDINER M., MILAM S., BODEWITS D. et al.
  ApJ. Letters , in press
  paper   arxiv  

• Narrowband Radio Technosignature Search toward 3I/ATLAS with FAST

  2026 LI J.-K., TAO Zh.-Zh. & ZHANG T.-J.
  Res. Notes AAA
  arxiv  

• Multiband Color Monitoring of 3I/ATLAS through Ground-Based Relay Observations

  2026 GRAYKOWSKI A., BOLIN B., ABRON L.-M., MARCHIS F., MASEK M. et al.
  Astron. J. , submitted
  arxiv  

• A Minimal Four-Thruster System for Comet-Based Interstellar Navigation

  2026 ANDREE B.
  arxiv  

• Trajectory stability and signature diagnostics for comet-based interstellar navigation

  2026 ANDREE B.
  arxiv  

• Lifetime of micron-sized water-ice particles in the Solar System: Implications for interstellar Comet 3I/ATLAS

  2026 ZUBKO E., VIDEEN G. & KIM S.
  MNRAS , 548 , stag541
  paper  

• Post-perihelion Photometric and Spectroscopic Monitoring of the Interstellar Comet 3I/ATLAS

  2026 AHUJA G., GANESH Sh., ARAVIND K., JEHIN E., AILAWADHI Bh. et al.
  MNRAS , accepted
  arxiv  

• Periodic Wobble of the Postperihelion Jet Structure Around 3I/ATLAS

  2026 SCARMATO T. & LOEB A.
  ApJ , 1009 , 100
  paper  

• High-resolution optical spectroscopy reveals the distinctive volatile composition of the interstellar comet 3I/ATLAS

  2026 ARAVIND K., JEHIN E., OPITOM C., MANFROID J., HUTSEMEKERS D. et al.
  Astron. & Astrophys. , accepted
  arxiv

• Coma Physics of an Interstellar Object: JWST Spatial-Spectral Mapping of 3I/ATLAS

  2026 ROTH N., CORDINER M., MILAM S., VILLANUEVA G., CHARNLEY S. et al.
  ApJ Letters , submitted
  arxiv  

• Isotopic Signature of Organic Molecules from Beyond the Solar System: An Enriched Methane D/H Ratio in the Interstellar Object 3I/ATLAS

  2026 ROTH N., CORDINER M., MILAM S., VILLANUEVA G., CHARNLEY S. et al.
  arxiv  

• Detection of H2O in the coma of interstellar comet 3I/ATLAS with MAJIS/JUICE

  2026 BOCKELEE-MORVAN D., LANGEVIN Y., POULET F., SEIGNOVERT B., PICCIONI G. and the MAJIS Team
  Astronomer's Telegram , ATel #17726
  paper  

• The Dust Mineralogy of Interstellar Comet 3I/ATLAS from JWST/MIRI Observations

  2026 BELYAKOV M., WONG I., LISSE C., DAVIS M., BOLIN B. et al.
  ApJ Letters , submitted
  arxiv  

• Kinematic and Spectroscopic Constraints on the Origin of Interstellar Object 3I/ATLAS: An Ablative Propulsion Model

  2026 BAIRD K.
  JBIS
  paper  

• Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope

  2026 BIVER N., BOCKELEE-MORVAN D., MORENO R., CROVIIER J., PAUBERT G. et al.
  Astron. & Astrophys. , 708 , L16
  paper   arxiv  

• Galactic trajectories of interstellar objects 1I/'Oumuamua, 2I/Borisov, and 3I/ATLAS

  2026 ZAKHAROV Sh. & LOEB A.
  Astron. & Astrophys. , 709 , A178
  paper  

• Near-Discovery SOAR Photometry of the Third Interstellar Object: 3I/ATLAS

  2026 FRINCKE T., YAGINUMA A., NOONANJ., HSIEH H., SELIGMAN D. et al.
  MNRAS , 545 , staf1994
  paper   arxiv  

• A post-perihelion constraint on the CO /H O ratio of interstellar comet 3I/ATLAS from [O I] forbidden lines

  2026 SHINNAKA Y., TSUJIMOTO K., KAWAKITA H., KOBAYASHI H., WATANABA J.-I. & OOTSUBO T.
  Astron. J. , submitted
  arxiv  

• Periodic Radio Technosignature Search toward 3I/ATLAS with FAST

  2026 LI J.-K., TAO Zh.-Zh., ZHANG T.-J. & LIU M.-Q.
  Astron. J. , accepted
  arxiv  

• High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS

  2026 OPITOM C., MANFROID J., HUTSEMEKERS D., JEHIN E., KNIGHT M. et al.
  Nature Astronomy , in press
  paper  

• Detection of OH 18 cm lines in 3I/ATLAS with FAST

  2026 JIANG D., QIAN L., PAN Z., SUN C., YANG Q. et al.
  Astronomer's Telegram , ATel #17733
  paper  

• Near-perihelion activity and composition of 3I/ATLAS from JUICE/MAJIS observations

  2026 BOCKELEE-MORVAN D., POULET F., LANGEVIN Y., SEIGNOVERT B., LEYRAT C. et al.
  ApJ Letters , submitted
  arxiv  

• SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025: Detection of Increased Post-Perihelion Activity, Refractory Coma Dust, and New Coma Gas Species

  2026 LISSE C., BACH Y., BRYAN S., KORNGUT P., CRILL B. et al.
  Res. Notes AAS , 10 , 26
  paper   arxiv  

• Rare Near-Opposition Alignment of 3I/ATLAS on 22 January, 2026

  2026 BARBIERI M. & LOEB A.
  Res. Notes AAS , 10 , 17
  paper   arxiv  

• 3I/ATLAS: In Search of the Witnesses to Its Voyage

  2026 PEREZ-COUTO X., TORRES S., VILLAVER E., MUSTILL A.. & MANTEIGA M.
  ApJ , 1001 , 146
  paper   arxiv  

• Interstellar Comet 3I/ATLAS: Evidence for Galactic Cosmic Ray Processing

  2026 MAGGIOLO R., DHOOGHE F., GRONOFF G., de KEYSER J. & CESSALEUR G.
  ApJ Letters , 996 , L34
  paper   arxiv  

• The Interstellar Permafrost Hypothesis for 3I/ATLAS (C/2025 N1)

  2026 ABREU-VICENTE J.
  paper  

• Rotation Period of 3I/ATLAS After Perihelion from Jet Position Angle Wobble and Photometric Variability

  2026 SCARMATO T. & LOEB A.
  Reas. Notes AAS , submitted
  arxiv  

• The Trajectory of 3I/ATLAS Through the Inner Solar System: Close Encounters and Possible Collisions

  2026 POMAZAN A., GUO Y., MAIGUROVA N., FENG F., TANG Zh. & MAO Y.
  Astron. J. , 171 , 96
  paper  

• Very Large Telescope observations of interstellar comet 3I/ATLAS III: High-resolution monitoring of CN and forbidden oxygen emission across the perihelion passage with ESPRESSO

  2026 LUCO B., PUZIA Th., RAHATGAONKAR R., CARVAJAL J. & NAYAK P.
  Astron. & Astrophys. , 713 , A251
  paper   arxiv  

• Secular Light Curve of Exocomet 3I/ATLAS, and its Location on a Comet Evolutionary Diagram

  2026 FERRIN I., GARRIDO J., TRIANA Ch., NAVAS G., MELIA R. et al.
  arxiv  

• Narrowband Radio Technosignature Search Toward 3I/ATLAS with FAST

  2026 LI J.-K., TAO Zh.-Zh. & ZHANG T.-J.
  ApJ , 1006 , 163
  paper  

• Comment on "Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS" [arXiv:2507.02757]

  2025 LOEB A.
  arxiv  

• Detection of 1665/1667 MHz OH absorption in 3I/ATLAS

  2025 PISANO D., SMIRNOV O. IVCHENKO M., ROTH L. & BUCHNER S.
  The Astronomeer's Telegram , ATel #17473
  paper  

• From a Different Star: 3I/ATLAS in the context of the Ōtautahi-Oxford interstellar object population model

  2025 HOPKINS M., DORSEY R., FORBES J., BANNISTER M., LINTOTT Ch. & LEICESTER B.
  ApJ Lett , 990 , L30
  paper   arxiv  

• Intercepting 3I/ATLAS at Its Closest Approach to Jupiter with the Juno Spacecraft

  2025 LOEB A., HIBBERD A. & CROWL A.
  Aerospace , 12 , 851
  paper  

• The Kinematic Age of 3I/ATLAS and its Implications for Early Planet Formation

  2025 TAYLOR A. & SELIGMAN D.
  ApJ Lett. , submitted

• Non-Gravitational Acceleration in 3I/ATLAS: Constraints on Exotic Volatile Outgassing in Interstellar Comets

  2025 NEUKART F.
  arxiv  

• 3I/ATLAS as an Interplanetary Cosmobiont: A Hypothesis on Intelligent Plasma Organisms in Interstellar Motion

  2025 MARTINEZ R.
  ResearchGate  

• 3I/ATLAS is Smaller or Rarer than It Looks

  2025 LOEB A.
  Res. Notes AAS , 9 , 178
  paper  

• Near-Discovery Observations of Interstellar Comet 3I/ATLAS with the NASA Infrared Telescope Facility

  2025 KARETA Th., CHAMPAGNE Ch., McCLURE L., EMERY J., SHARKEY B. et al.
  ApJ Lett. , submitted
  arxiv  

• Is the Interstellar Object 3I/ATLAS Alien Technology?

  2025 HIBBERD A., CROWL A. & LOEB A.
  Res. Notes AAS , submitted
  arxiv  

• Palomar and Apache Point Spectrophotometry of Interstellar Comet 3I/ATLAS

  2025 BELYAKOV M., FREMLING Ch., GRAHAM M., BOLIN B., KILIC M. et al.
  Res. Notes AAS , 9 , 194
  paper   arxiv  

• Further MeerKAT observations of 1665/1667 MHz OH in absorption and emission, and a technosignature search in 3I/ATLAS

  2025 PISANO D., SMIRNOV O., IVCHENKO M., TREMBLAY Ch., SIEMION A. & CAMILO F.
  Astronomer's Telegram , no. 17499
  paper  

• Independent Cross-Observatory Analysis of the 3I/ATLAS Perihelion Event (29–31 October 2025

  2025 NICHOLSON J.
  Zenodo  

• Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope

  2025 de la FUENTE MARCOS R., LICANDRO J., ALARCON M., SERRA-RICART M. et al.
  Astron. & Astrophys. , 700 , L9
  paper   arxiv  

• Comet 3I/ATLAS: Post-perihelion spectroscopic results from PRL Mt Abu Observatory

  2025 GANESH Sh., AHUJA G. & BHARDWAJ A.
  The Astronomeer's Telegram , no. 17503
  paper  

• NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)

  2025 CHANDLER C., BERNARDINELLI P., JURIC M., SINGH D., HSIEH H. et al.
  ApJ Lett. , submitted
  arxiv  

• The Feasibility of a Spacecraft Flyby with the Third Interstellar Object 3I/ATLAS from Earth or Mars

  2025 YAGINUMA A., FRINCKE T., SELIGMAN D., MANDT K., DellaGUSTA D. et al.
  ApJ , 995 , 64
  paper   arxiv  

• Dynamical simulation of the Interstellar Comet 3I/ATLAS

  2025 AHUJA G. & GANESH Sh.
  ApJ Lett , 995 , L13
  paper   arxiv  

• Spectroscopic Characterization of Interstellar Object 3I/ATLAS: Water Ice in the Coma

  2025 YANG B., MEECH K., CONNELLY M. & KEANS J.
  ApJ Lett , 992 , L9
  paper   arxiv  

• A Flux-Based Estimate of the Interstellar Object Contribution to the Galactic Baryon Budget

  2025 SIWIAK, M.
  Astron. & Astrophys. , submitted
  Zenodo  

• Detectability of Dust and Ion Tails of Interstellar Comet 3I/ATLAS by Europa Clipper

  2025 HSU H.-W., DECA J., HORANYI M., KEMPF S., COCHRANE C. et al.
  Reas. Notes AAS , 9 , 313
  paper  

• Natural Comet or Technological Artefact? A Bayesian Evaluation of 3I/ATLAS Incorporating the Loeb Scale.

  2025 RANGEL MARTINEZ R.
  ResearchGate  

• X-SHOOTER Spectrum of Comet 3I/ATLAS: Insights into a Distant Interstellar Visitor

  2025 ALVAREZ-CANDAL A., RIZOS J., LARA M., SANTOS-SANZ P., GUTTIEREZ P. et al.
  Astron. & Astrophys. , 700 , L10
  paper   arxiv

• Spectrophotometric evidence for a metal-bearing, carbonaceous, and pristine interstellar comet 3I/ATLAS

  2025 TRIGO-RODRIGUEZ J., GRITSEVICH M. & BLUM J.
  arxiv  

• CH OH and HCN in Interstellar Comet 3I/ATLAS Mapped with the ALMA Atacama Compact Array: Distinct Outgassing Behaviors and a Remarkably High CH OH/HCN Production Rate Ratio

  2025 ROTH N., CORDINER M., BOCKELEE-MORVAN D., BIVER N., CROVISIER J., MILAM S. et al.
  ApJ. Letters , submitted
  arxiv  

• Tracking the Activity of the Interstellar Object 3I/ATLAS through its Perihelion

  2025 EUBANKS M., DeFOREST C., WALSH K., PORTER S., LEHMANN Th. et al.
  Reas. Notes AAS , 9 , 324
  paper   arxiv  

• Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity

  2025 FEINSTEIN A., NOONAN J. & SELIGMAN D.
  Res. Notes AAS , submitted
  arxiv  

• Intercepting 3I/ATLAS at Closest Approach to Jupiter with the Juno spacecraft

  2025 LOEB A., HIBBERD A. & CROWL A.
  Res. Notes AAS , submitted
  arxiv  

• CBET Telegram 5640

  2025 JAEGER M.
  paper  

• CBET Telegram 5608

  2025 KUAN Y.-J., COULSON I., CORDINER M., CHARNLEY S., MILAN S. et al.
  paper  

• CBET Telegram 5628

  2025 KUAN Y.-J., CHANG Y.-L., COULSON I., CORDINER M., CHARNLEY S. et al.
  paper  

• Comet 3I/Atlas and Our Links with the Wider Cosmos

  2025 WICKRAMASINGHE Ch., TOKORO G. & WALLIS M.
  Int. J. Astron. & Astrophys. , in press
  paper  

• Analysis of Trajectories to 3I/ATLAS with a Comet Interceptor-like Spacecraft

  2025 SANCHEZ J. & SNODGRASS C.
  Res. Notes AAS , 9 , 207
  paper  

• CBET Telegramm 5625

  2025 CROVISIER J., BIVER N. & BOCKELEE-MORVAN D.
  paper  

• Temporal Evolution of the Third Interstellar Comet 3I/ATLAS: Spin, Color, Spectra and Dust Activity

  2025 SANTANA-ROSS T., IVANOVA O., MYKHAILOVA S., ERSAMUS N., KAMINSKI K. et al.
  Astron. & Astrophys. , 702 , L3
  paper   arxiv  

• TRAPPIST first post-perihelion production rates of the Interstellar comet 3I/ATLAS

  2025 JEHIN E., HMIDDOUCH S., ARAVIND K., MANFROID J., BENKHALDUN Z. & JABIRI A.
  Astronomer's Telegram , 17515
  paper  

• Pre-discovery TESS Observations of Interstellar Object 3I/ATLAS

  2025 MARTINEZ-PALOMERA J., TUSON A., HEDGES Ch., DOTSON J. BARCLAY Th. & POWELL B.
  Astron. J. , submitted
  arxiv  

• Intercepting Interstellar Objects

  2025 SNODGRASS C., GALAND M., BETH A., GOETZ Ch., DONALDSON A. & OPTITOM C.
  ApJ , submitted
  arxiv  

• Upper Limit on the Non-Gravitational Acceleration and Lower Limits on the Nucleus Mass and Diameter of 3I/ATLAS

  2025 CLOETE R., LOEB A. & VERES P.
  Astron J. , submitted
  arxiv  

• Independent Cross-Observatory Analysis of 3I-ATLAS (Version 7.1, With Supplemental Methodology Files)

  2025 NICHOLSON J.
  Zenodo  

• Captain Exoplanet: An Open, Browser-Based Interface for Exoplanet Candidate Classification Using Machine Learning

  2025 ZAYED G., LESNIOWSKI M., SANT Y., PASAMARTHI B., CAMBRANIS K. & DOWNS M.
  Zenodo  

• Spectral Characteristics of Interstellar Object 3I/ATLAS from SOAR Observations

  2025 PUZIA Th., RAHATGAONKAR R., CARJAVAL J., NAYAK P. & LUCO B.
  ApJ Lett , submitted
  arxiv  

• A Theoretical Analysis of a '3i/ATLAS SuperNova Bomb': An Artificial Stellar Destabilization Event via Interstellar Probe

  2025 BILLIONS A. & KNIGHT Ch.
  Zenodo  

• JCMT Constraints on the Early-Time HCN and CO Emission and HCN Temporal Evolution of 3I/ATLAS

  2025 HINKLE J., YANG B., MEECH K., HOFFMAN A., SHAPPEE B. et al.
  Open J. Astrophys. , submitted
  arxiv  

• Water Production Rates of the Interstellar Object 3I/ATLAS

  2025 XING Z., OSET Sh., NOONAN J. & BODEWITS D.
  ApJ Lett , 991 , L50
  paper   arxiv  

• X-ray observation of the cometary interloper C/2025 N1 (3I/ATLAS) by XRISM/Xtend

  2025 ISHI D., KANEMARU Y., FUKUSHIMA K., OGAWA S., UCHIDA Y. et al.
  The Astronomeer's Telegram , 17523
  paper  

• Rotational Dynamics Analysis of Interstellar Comet 3I/ATLAS: Evidence Against Artificial Origin Claims

  2025 ALFONSO H.
  ResearchGate  

• Extreme NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS

  2025 HUTSEMEKERS D., MANFROID J., JEHIN E., OPITOM C., BANNISTER M. et al.
  Astron. & Astrophys. , submitted
  arxiv  

• Simultaneous visible spectrophotometry of interstellar object 3I/ATLAS with Seimei/TriCCS

  2025 BENIYAMA J.
  PASJ , accepted
  paper   arxiv  

• The interstellar object significance scale (Loeb Scale): astronomical classification of interstellar objects

  2025 ELDADI O., TENENBAUM G. & LOEB A.
  Int. J. Astrobiol. , 24 , e22
  paper   arxiv

• 3I/ATLAS: An Interstellar Crustal Fossil in the M-Relic (HLF) Framework for Small-Body Evolution

  2025 EAHSANUL AHAQUE A. & LOPEZ I.
  paper  

• University of Hawaii 88-inch Telescope Observations of the Interstellar Comet 3I/ATLAS: Spectrophotometric Blue-Sensitive Spectral Time Series Spanning Two Months from Discovery

  2025 HOOGENDAM W., KUESTERS D., SHAPPES B., ALDERING G., WRAY J. et al.
  Open J. of Astrophys. , 9
  paper   arxiv  

• Astrometry with Interplanetary Spacecraft: Determination of the Non-gravitational Accelerations of the Interstellar Object 3I/ATLAS

  2025 EUBANKS M., HIBBERD A., BILLS B., BLASE P., HEIN A. et al.
  Reas. Notes AAS , 9 , 329
  paper

• TRAPPIST bright comets production rates: 3I/ATLAS, 24P/Schaumasse, C/2025 T1 (ATLAS), C/2025 K1 (ATLAS) and C/2025 R2 (SWAN)

  2025 JEHIN E., HMIDDOUCH S., ARAVIND K., MANFROID J., BENKHALDOUN Z. & JABIRI A.
  Astronomer's Telegram , 17538
  paper  

• Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni i Emission and Incipient CN Outgassing at Large Heliocentric Distances

  2025 RAHATGAONKAR R., CARVAJAL J., PUZIA Th., LUCO B., JEHEN E. et al.
  ApJ Letters , 995 , L34
  paper

• Comparative Analysis of Polarization in Interstellar Comet 3I/ATLAS with Distant Solar System Comets

  2025 ZUBKO E. & VIDEEN G.
  Res. Notes AAS , 9 , 257
  paper  

• X-Ray Emission from the Interstellar Object 3I/ATLAS: Implications for the Eric’s equation and Confirmation of a Prior Theoretical Prediction – new report

  2025 de JESUS RODRIGUEZ MENDOZA E.
  ResearchGate  

• 3I/ATLAS (C/2025 N1): Direct Spacecraft Exploration of a Possible Relic of Planetary Formation at "Cosmic Noon"

  2025 EUBANKS M., BILLS B., HIBBERD A., BLASE P., HEIN A., et al.
  New Astron. , submitted
  arxiv  

• SPHEREx Discovery of Strong Water Ice Absorption and an Extended Carbon Dioxide Coma in 3I/ATLAS

  2025 LISSE C., BACH Y., BRYAN S., CRILL B., CUKIERMAN A. et al.
  Res. Notes AAS , 9 , 242
  paper   arxiv  

• Pre-perihelion detection of a wobbling high-latitude jet in the interstellar comet 3I/ATLAS

  2025 SERRA-RICART M., LICANDRO J. & ALRECON M.
  Astron. & Astrophys. , 705 , L3
  paper   arxiv  

• Is the Anti-tail of 3I/ATLAS Composed of Macroscopic Non-volatile Objects?

  2025 LOEB A.
  Reas. Notes AAS , 9 , 335
  paper  

• Aperture-averaged Polarimetry of the Second Interstellar Comet 3I/ATLAS within the Snow Line

  2025 ZHELTOBRYUKHOV M., ZUBKO E., TSURANOVA M., KOCHERGIN A. et al.
  Reas. Notes AAS , 9 , 338
  paper  

• A Search for Coma in TESS Observations of Interstellar Comet 3I/ATLAS

  2025 FARNHAM T., HOOD M. KELLEY M. & SUNSHINE J.
  Res. Notes AAS , 9 , 266
  paper  

• Pre-perihelion evolution of the NiI/FeI abundance ratio in the coma of the interstellar comet 3I/ATLAS: From extreme to normal

  2025 HUTSEMEKERS D., MANFROID J., JEHIN E., OPITOM C., RAHATGAONKAR R. et al.
  Astron. & Astrophys. , 706 , A43
  paper  

• VLT observations of interstellar comet 3I/ATLAS II. From quiescence to glow: Dramatic rise of Ni I emission and incipient CN outgassing at large heliocentric distances

  2025 RAHATGAONKAR R., CARJAVAL R., PUZIA Th., LUCO B., JEHIN E. et al.
  ApJ Lett. , submitted
  arxiv  

• Spatial Profiles of 3I/ATLAS CN and Ni Outgassing from Keck/KCWI Integral Field Spectroscopy

  2025 HOOGENDAM W., SHAPPEE B., WRAY J., YANG B., MEECH K. et al.
  Open J. Astrophys. , submitted
  arxiv  

• Post-perihelion Sunward Tail Detected on Interstellar Comet 3I/ATLAS: A Geometric Projection of the Dust Tail

  2025 SERRA-RICART M., LICANDRO J. & ALARCON M.
  The Astronomeer's Telegram , #17551
  paper  

• CBET #5646

  2025 LISSE C., CABOT S., SELIGMAN D., DENNERL K., WANG Q. et al.
  paper  

• Prospects for the Crossing of Comet 3I/ATLAS's Ion Tail

  2025 GRANT S. & JONES G.
  Res. Notes AAS , 9 , 276
  paper   arxiv  

• The size of 3I/ATLAS from non-gravitational acceleration

  2025 FORBES J. & BUTLER H.
  Res. Notes AAS , 10 , 12
  paper   arxiv  

• A Search for Radio Technosignatures from Interstellar Object 3I/ATLAS with the Allen Telescope Array

  2025 SHEIKH, GARCIA LOPEZ V., GERRARD I., DAVENPORT A., FARAH L., GRIFFIN B. et al.
  Astron. J. , submitted
  arxiv  

• Hubble Space Telescope Observations of the Interstellar Interloper 3I/ATLAS

  2025 JEWITT D., HUI M.-T., MUTCHLER M., KIM Y. & AGARWAL J.
  ApJ Lett. , 990 , L2
  paper   arxiv  

• The Kinematic Age of 3I/ATLAS and Its Implications for Early Planet Formation

  2025 TAYLOR A. & SELIGMAN D.
  ApJ Lett. , 990 , L14
  paper  

• jet detection on interstellar comet 3I/ATLAS with the Two-meter Twin Telescope

  2025 SERRA-RICART M? LICANDRO J. & ALARCON M.
  Aastronomer's Telegram , 17445
  paper  

• Jets in the inner coma of comet 3I/ATLAS

  2025 MANZINI F., OLDANI V., OCHNER P., BEDIN L., REGUITTI A. & FARINA A.
  The Astronomer's Telegram , ATel #1755
  paper  

• Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz

  2025 JACOBSON-BELL B., CROFT S., WHITE E., SIEMION A., LEBOFSKY M. & MacMAHON D.
  Res. Notes AAS , 9 , 351
  paper   arxiv  

• Interstellar Interloper 3I/ATLAS: Nucleus Size, Photometry in RGB, Af(rho) and Antitail Structure Analysis

  2025 SCARMATO T.
  arxiv  

• Interstellar Interloper 3I/ATLAS: Nucleus Size, Photometry in RGB, Af(rho) and Antitail Structure Analysis

  2025 SCARMATO T.
  arxiv  

• Water Production of Interstellar Comet 3I/ATLAS from SOHO/SWAN Observations after Perihelion

  2025 COMBI M., MAKINEN T., BERTAUX J.-L., QUEMERAIS E., FERRON S. et al.
  ApJ Lett , 998 , L17
  paper   arxiv  

• Field Theory Toolkit for Cometary Thermochemistry: Exploration through 3I/ATLAS and 2I/Borisov

  2025 Young Ch.
  ResearchGate  

• Pre-perihelion Development of Interstellar Comet 3I/ATLAS

  2025 JEWITT D. & LUU J.
  Ap. Lett.J , 994 , L3
  paper   arxiv  

• A Physical Model for the Ice Coma of 3I/ATLAS

  2025 KETO E. & LOEB A.
  Plan. Sci. J. , submitted
  arxiv  

• Search for Past Stellar Encounters and the Origin of 3I/ATLAS

  2025 GUO Y., ZHANG L., FENG F., LI Zh.-Y., POMAZAN A. & YANG X.
  ApJ Lett. , 170 , 362
  paper   arxiv  

• Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum

  2025 OPITOM C., SNODGRASS C., JEHIN E., BANNISTER M., BUFANDA E. et al.
  MNRAS , 544 , L31
  paper  

• Onset of CN Emission in 3I/ATLAS: Evidence for Strong Carbon-chain Depletion

  2025 SALAZAR MANZANO L., LIN H. W., TAYLOR A., SELIGMAN D., ADAMS F. et al.
  ApJ Letters , 993 , L23
  paper  

• Extreme Negative Polarisation of New Interstellar Comet 3I/ATLAS

  2025 GRAY Z., BAGNULO S., BORISOV G., KWON Y., CELLINO A. et al.
  ApJ Lett. , 992 , L29
  paper   arxiv  

• Dynamical Constraints on a Population of Massive Interstellar Objects

  2025 TRIVEDI O. & LOEB A.
  Astron. & Astrophys. , submitted
  arxiv  

• ATLAS Photometry of Interstellar Object 3I/ATLAS

  2025 TONRY J., DENNEAU L., ALARCON M., CLOCCHIATTI A., ERSAMUS N. et al.
  ApJ. Letters , 995 , L15
  paper   arxiv  

• Rapid Brightening of 3I/ATLAS Ahead of Perihelion

  2025 ZHANG Q. & BATTAMS K.
  PASP , 138 , 014403
  paper   arxiv  

• The Physics of Cometary Anti-tails as Observed in 3I/ATLAS

  2025 KETO E. & LOEB A.
  ApJ Lett. , in press
  paper   arxiv  

• Potential Thermal Profiles of The Third Interstellar Object 3I/ATLAS

  2025 YAGINUMA A., TALOR A. & SELIGMAN D.
  MNRAS , submitted
  arxiv  

• Prediscovery Activity of New Interstellar Object 3I/ATLAS: A Dynamically-Old Comet?

  2025 YE Q., KELLEY M., HSIEH H., BELLM E., CHEN T. et al.
  ApJ Lett. , 993 , L31
  paper   arxiv  

• Object Summary -- A11pl3Z

  2025
  CNEOS
  paper  

• Unusual polarimetric response of interstellar Comet 3I/ATLAS: Clues to the microphysics of particles populating its inner coma

  2025 ZUBKO E. & VIDEEN G.
  MNRAS , 544 , L156
  paper  

• Dynamical and Electromagnetic Analysis of 3I/ATLAS

  2025 YOUNG Ch.
  ResearchGate  

• Chemical and Formation Analysis of Interstellar Comet 3I/ATLAS: Evidence for AGB Star Origin

  2025 YOUNG Ch.
  ResearchGate  

• Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS

  2025 SELIGMAN D., MICHELI M., FARNICCHIA D., DENNEAU L., NOONAN J. et al.
  ApJ Lett , 989 , L36
  paper   arxiv  

• Interstellar comet 3I/ATLAS: discovery and physical description

  2025 BOLIN B., BELYAKOV M., FREMLING Ch., GRAHAM M., GRAY C. et al.
  MNRAS , 542 , L139
  paper   arxiv  

• Initial VLT/MUSE spectroscopy of the interstellar object 3I/ATLAS

  2025 OPITOM C., SNODGRASS C., JEHIN E., BANNISTER M., BUFANDA E.
  MNRAS , submitted
  arxiv  

• The interstellar flux gap: From dust to kilometer-scale objects

  2025 PEÑA-ASENSIO E. & SELIGMAN D.
  Astron. & Astrophys. , in press
  paper  

• An Adaptive Pseudo-Intelligent Material Hypothesis for the ObservedAnomalies of the Interstellar Object 3I/ATLAS

  2025 ABU-FARAJ Z.
  ResearchGate