SF
Sebastiano D. Von Fellenberg
astro-ph.GAastro-ph.HEastro-ph.IMastro-ph.EPastro-ph.SRgr-qcastro-ph.COphysics.class-phhep-ph
On Valency
published · living versionsW_jc8878c3·v1 · currentpublished
Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits
with The GRAVITY Collaboration, Karim Abd El Dayem, Roberto Abuter, Nicolas Aimar +64
1 version
W_gvqd3mhf·v1published
W_ms5ca8v9·v1published
W_bkjpk8re·v1published
W_fp2u8z52·v1published
W_gsyek529·v1published
Preprints & journals
89 papers in the corpus · 2017–2026GRAVITY+: reducing non-common-path aberrations for sub-10 {\mu}as astrometric accuracy2608.05751v1 · Quentin Fournier, Guillaume Bourdarot, Frank Eisenhauer et al.2026 · 0 citationsarXiv
Dynamics and geometry of the inner sub-parsec-scale jet in 3C 279 observed with the Event Horizon Telescope2607.16104v1 · Hendrik Mueller, Sebastiano D. von Fellenberg, Ai-Ling Zeng et al.2026 · 0 citationsarXiv
Broadband multiwavelength properties of the archetypal blazar 3C 279 during the 2017 Event Horizon Telescope campaign2606.25868v2 · G. Principe, J. C. Algaba, E. Aviano et al.2026 · 0 citationsA&A, 712, A224 (2026)
The Demographics of Sagittarius A* X-ray Flares over 25 Years with Chandra2605.13962v1 · Zach Sumners, Nicole M. Ford, Daryl Haggard et al.2026 · 0 citationsarXiv
Infrared Line Diagnostics Fail to Constrain Sgr A*'s UV Output2605.13990v2 · Mayura Balakrishnan, Sebastiano D. von Fellenberg, Daryl Haggard et al.2026 · 0 citationsarXiv
Constraining the Galactic Center Dark Cluster with ELT/MICADO Observations2605.14017v1 · Sebastiano D. von Fellenberg, Mat'us Labaj, Sean M. Ressler2026 · 1 citationarXiv
Detection and Evolution of Linear Polarization of the Galactic Center Transient MAXI J1744-2942604.07431v1 · Joseph M. Michail, Sebastiano D. von Fellenberg, Mayura Balakrishnan et al.2026 · 0 citationsarXiv
Locating the missing large-scale emission in the jet of M87* with short EHT baselines2601.13356v1 · Boris Georgiev, Paul Tiede, Sebastiano D. von Fellenberg et al.2026 · 1 citationA&A 709, A26 (2026)
Ring Asymmetry and Spin in M87*2601.00394v2 · Vadim Bernshteyn, Nicholas S. Conroy, Michi Baubock et al.2026 · 5 citationsApJ 1000 231 (2026)
Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations2512.08970v1 · Saurabh, Hendrik Muller, Sebastiano D. von Fellenberg et al.2025 · 4 citationsarXiv
Exomoon search with VLTI/GRAVITY around the substellar companion HD 206893 B2511.20091v1 · Q. Kral, J. Wang, J. Kammerer et al.2025 · 8 citationsarXiv
First Mid-infrared Detection and Modeling of a Flare from Sgr A*. II. Mid-IR Spectral Energy Distribution and Millimeter Polarimetry2511.14836v1 · Joseph M. Michail, Sebastiano D. von Fellenberg, Garrett K. Keating et al.2025 · 0 citationsarXiv
Mid-infrared extinction toward the Galactic center2511.14850v1 · Sebastiano D. von Fellenberg, Joseph M. Michail, S.P. Willner et al.2025 · 4 citationsarXiv
Photometric Constraints on Intermediate-mass Black Holes in the Galactic Centre2511.14856v1 · Tamojeet Roychowdhury, Sebastiano D. von Fellenberg, Joseph M. Michail et al.2025 · 1 citationPublications of the Astronomical Society of the Pacific 2025, Volume 137, Number 11
Radio properties of the quasi-periodic eruption source RXJ1301.9+2747 at parsec scales2511.14863v1 · S. D. von Fellenberg, R. Arcodia, P. Benke et al.2025 · 0 citationsA&A 704 (2025) A327
The ExoGRAVITY survey: A K-band spectral library of giant exoplanet and brown dwarf companions2510.08691v3 · J. Kammerer, T. O. Winterhalder, S. Lacour et al.2025 · 6 citationsA&A 704, A318 (2025)
First Light for the GRAVITY+ Adaptive Optics: Extreme Adaptive Optics for the Very Large Telescope Interferometer2509.21431v2 · GRAVITY+ Collaboration: F. Allouche, C. Bailet, M. Benisty et al.2025 · 10 citationsarXiv
Constraints on the Orbit of the Young Substellar Companion GQ Lup B from High-Resolution Spectroscopy and VLTI/GRAVITY Astrometry2509.20621v1 · Vidya Venkatesan, S. Blunt, J. J. Wang et al.2025 · 4 citationsarXiv
Direct imaging discovery of a young giant planet orbiting on Solar System scales2507.06206v1 · T. Stolker, M. Samland, L. B. F. M. Waters et al.2025 · 5 citationsarXiv
Impact of a granular mass distribution on the orbit of S2 in the Galactic center2507.01510v1 · Matteo Sadun Bordoni, Roberto Capuzzo Dolcetta, Aleksey Generozov et al.2025 · 2 citationsA&A 701, A89 (2025)
Orbit and atmosphere of HIP 99770 b through the eyes of VLTI/GRAVITY2507.00117v1 · T. O. Winterhalder, J. Kammerer, S. Lacour et al.2025 · 7 citationsarXiv
Exploring the presence of a fifth force at the Galactic Center2504.02908v4 · K. Abd El Dayem, R. Abuter, N. Aimar et al.2025 · 9 citationsA&A 698, L15 (2025)
First mid-infrared detection and modeling of a flare from Sgr A*2501.07415v1 · Sebastiano D. von Fellenberg, Tamojeet Roychowdhury, Joseph M. Michail et al.2025 · 21 citationsarXiv
Demographics of black holes at $<_{\rm g}$ scales: accretion flows, jets, and shadows2412.20276v1 · Dhanya G. Nair, Neil M. Nagar, Venkatessh Ramakrishnan et al.2024 · 2 citationsarXiv
Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits2409.12261v1 · Karim Abd El Dayem, Roberto Abuter, Nicolas Aimar et al.2024 · 49 citationsA&A 692, A242 (2024)on Valency
Fragments of harmony amid apparent chaos: a closer look at the X-ray quasi-periodic eruptions of the galaxy RX J1301.9+27472409.01938v1 · Margherita Giustini, Giovanni Miniutti, Riccardo Arcodia et al.2024 · 25 citationsA&A 692, A15 (2024)
General Relativistic effects and the NIR variability of Sgr A* II: A systematic approach to temporal asymmetry2407.07091v1 · Sebastiano D. von Fellenberg, Gunther Witzel, Michi Bauboeck et al.2024 · 8 citationsA&A 688, L12 (2024)
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light2406.04003v1 · N. Pourr'e, T.O. Winterhalder, J.-B. Le Bouquin et al.2024 · 11 citationsarXiv
Astrometric detection of a Neptune-mass candidate planet in the nearest M-dwarf binary system GJ65 with VLTI/GRAVITY2404.08746v1 · R.Abuter, A.Amorim, M.Benisty et al.2024 · 6 citationsarXiv
Four-of-a-kind? Comprehensive atmospheric characterisation of the HR 8799 planets with VLTI/GRAVITY2404.03776v2 · E. Nasedkin, P. Molliere, S. Lacour et al.2024 · 58 citationsA&A 687, A298 (2024)
Combining Gaia and GRAVITY: Characterising five new Directly Detected Substellar Companions2403.13055v2 · T. O. Winterhalder, S. Lacour, A. M'erand et al.2024 · 17 citationsA&A 688, A44 (2024)
A catalogue of dual-field interferometric binary calibrators2402.05019v1 · M. Nowak, S. Lacour, R. Abuter et al.2024 · 10 citationsA&A 687, A248 (2024)
A dynamical measure of the black hole mass in a quasar 11 billion years ago.38286342 · Abuter, R, Allouche, F, Amorim, A et al.2024 · 69 citationsNature. 2024;627(8003):281-285
Using the motion of S2 to constrain vector clouds around SgrA*2312.02653v2 · A. Foschi, R. Abuter, K. Abd El Dayem et al.2023 · 13 citationsarXiv
A Collection of German Science Interests in the Next Generation Very Large Array2311.10056v2 · M. Kadler, D. A. Riechers, J. Agarwal et al.2023 · 0 citationsarXiv
Polarization analysis of the VLTI and GRAVITY2311.03472v1 · F. Widmann, X. Haubois N. Schuhler, O. Pfuhl et al.2023 · 13 citationsarXiv
The JWST Galactic Center Survey -- A White Paper2310.11912v8 · Rainer Schoedel, Steve Longmore, Jonny Henshaw et al.2023 · 6 citationsarXiv
Polarimetry and Astrometry of NIR Flares as Event Horizon Scale, Dynamical Probes for the Mass of Sgr A*2307.11821v2 · R. Abuter, N. Aimar, P. Amaro Seoane et al.2023 · 97 citationsA&A 677, L10 (2023)
Using the motion of S2 to constrain scalar clouds around SgrA*2306.17215v4 · A. Foschi, R. Abuter, N. Aimar et al.2023 · 37 citationsarXiv
Where intermediate-mass black holes could hide in the Galactic Centre: A full parameter study with the S2 orbit2303.04067v2 · O. Straub, M. Baubock, R. Abuter et al.2023 · 31 citationsA&A 672, A63 (2023)
Radio jet precession in M81*2303.00603v1 · S.D. von Fellenberg, M. Janssen, J. Davelaar et al.2023 · 21 citationsA&A 672, L5 (2023)
Accelerations of stars in central 2-7 arcsec from Sgr A*2302.07258v1 · A. Young, S. Gillessen, T. de Zeeuw et al.2023 · 3 citationsA&A 670, A36 (2023)
The GRAVITY+ Project: Towards All-sky, Faint-Science, High-Contrast Near-Infrared Interferometry at the VLTI2301.08071v1 · GRAVITY+ Collaboration: Roberto Abuter, Patricio Alarcon, Fatme Allouche et al.2023 · 26 citationsarXiv
General relativistic effects and the near-infrared and X-ray variability of Sgr A* I2301.02558v1 · Sebastiano D. von Fellenberg, Gunther Witzel, Michi Baubock et al.2023 · 21 citationsarXiv
First Light for GRAVITY Wide: Large Separation Fringe Tracking for the Very Large Telescope Interferometer2206.00684v2 · GRAVITY+ Collaboration: R. Abuter, F. Allouche, A. Amorim et al.2022 · 37 citationsA&A 665, A75 (2022)
The young stars in the Galactic Center2205.07595v1 · Sebastiano von Fellenberg, Stefan Gillessen, Julia Stadler et al.2022 · 70 citationsarXiv
Multi-wavelength Variability of Sagittarius A* in July 20192203.13311v1 · H. Boyce, D. Haggard, G. Witzel et al.2022 · 20 citationsarXiv
Deep Images of the Galactic Center with GRAVITY2112.07477v1 · R. Abuter, N. Aimar, A. Amorim et al.2021 · 37 citationsA&A 657, A82 (2022)on Valency
The mass distribution in the Galactic Centre from interferometric astrometry of multiple stellar orbits2112.07478v1 · R. Abuter, N. Aimar, A. Amorim et al.2021 · 287 citationsA&A, 2021,on Valency
Flaremodel: An open-source Python package for one-zone numerical modelling of synchrotron sources2111.15273v1 · Y. Dallilar, S. von Fellenberg, M. Baubock et al.2021 · 5 citationsA&A 658, A111 (2022)
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