Sebastiano Daniel von Fellenberg

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Publications (19)

• Ionization Structure and Metal Enrichment of the Galactic Center Minispiral Observed with JWST
  The Astronomical Journal 2026 DOI: 10.3847/1538-3881/ae994d
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• The Demographics of Sagittarius A* X-Ray Flares over 25 yr with Chandra
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae9c3d
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• Infrared Line Diagnostics Fail to Constrain Sgr A*’s UV Output
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae908b
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• Dynamics and geometry of the inner sub-parsec-scale jet in 3C 279 observed with the Event Horizon Telescope
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202660360
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• Constraining the Galactic center dark cluster with ELT/MICADO observations
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202659043
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• Detection and Evolution of Linear Polarization of the Galactic Center Transient MAXI J1744-294
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae5dc8
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• Locating the missing large-scale emission in the jet of M87* with short EHT baselines
  Boris Georgiev, Paul Tiede, S. D. von Fellenberg +97 more
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202557013
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• First Mid-infrared Detection and Modeling of a Flare from Sgr A*. II. Mid-infrared Spectral Energy Distribution and Millimeter Polarimetry
  Joseph M. Michail, S. D. von Fellenberg, Garrett K. Keating

  +20 more

  • Ramprasad Rao
  • Tamojeet Roychowdhury
  • Steven P. Willner
  • Nicole M. Ford
  • Daryl Haggard
  • +15 more
  The Astrophysical Journal 2026 DOI: 10.3847/1538-4357/ae25ef
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• Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations
  Saurabh Kumar, Hendrik Müller, S. D. von Fellenberg +97 more
  Astronomy & Astrophysics 2026 DOI: 10.1051/0004-6361/202557022
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• Mid-infrared Extinction toward the Galactic Center
  S. D. von Fellenberg, Joseph M. Michail, Steven P. Willner

  +10 more

  • Braden Seefeldt-Gail
  • Tamojeet Roychowdhury
  • M. García-Marín
  • Giovanni G. Fazio
  • Nicole M. Ford
  • +5 more
  The Astrophysical Journal 2025 DOI: 10.3847/1538-4357/ae182a
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• Radio properties of the quasi-periodic eruption source RXJ1301.9+2747 at parsec scales
  Astronomy & Astrophysics 2025 DOI: 10.1051/0004-6361/202556067
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• Photometric Constraints on Intermediate-mass Black Holes in the Galactic Centre
  Tamojeet Roychowdhury, S. D. von Fellenberg, Joseph M. Michail

  +14 more

  • Steven P. Willner
  • Nicole M. Ford
  • Zach Sumners
  • Sophia A. Sánchez-Maes
  • Tuan Do
  • +9 more
  Publications of the Astronomical Society of the Pacific 2025 DOI: 10.1088/1538-3873/ae16d6
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• CASA/rPICARD Calibration Strategy and PolyFiX Firmware Update for Phased NOEMA in the Context of Event Horizon Telescope Observations
  Research Notes of the AAS 2025 DOI: 10.3847/2515-5172/addf47
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• First Mid-infrared Detection and Modeling of a Flare from Sgr A*
  S. D. von Fellenberg, Tamojeet Roychowdhury, Joseph M. Michail

  +24 more

  • Zach Sumners
  • Grace Sanger-Johnson
  • Giovanni G. Fazio
  • Daryl Haggard
  • Joseph L. Hora
  • +19 more
  The Astrophysical Journal Letters 2025 DOI: 10.3847/2041-8213/ada3d2
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• General relativistic effects and the near-infrared variability of Sgr A*
  Astronomy & Astrophysics 2024 DOI: 10.1051/0004-6361/202451146
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• The Young Stars in the Galactic Center
  The Astrophysical Journal Letters 2022 DOI: 10.3847/2041-8213/ac68ef
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• Multiwavelength Variability of Sagittarius A* in 2019 July
  The Astrophysical Journal 2022 DOI: 10.3847/1538-4357/ac6104
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• Flaremodel: An open-source Python package for one-zone numerical modelling of synchrotron sources
  Astronomy & Astrophysics 2022 DOI: 10.1051/0004-6361/202142458
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• Detection of a Drag Force in G2's Orbit: Measuring the Density of the Accretion Flow onto Sgr A* at 1000 Schwarzschild Radii
  The Astrophysical Journal 2019 DOI: 10.3847/1538-4357/aaf4f8
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