Millimeter to X-ray flares from Sagittarius A*
Open accessAbstract
Context. We report on new simultaneous observations and modeling of the millimeter, near-infrared, and X-ray flare emission of the source Sagittarius A* (SgrA*) associated with the super-massive (4 × 106 M⊙) black hole at the Galactic center.
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Observations of polarization and its variability in mm, sub-mm, and near IR wavelengths within the central 0.1 pc of Sgr A* have been instrumental in determining the mass accretion rate of the SMBH.
“Observations of polarization and its variability in mm, sub-mm, and near IR wavelengths within the central 0 . 1 pc of the Sgr A ∗ have been instrumental in determining the mass accretion rate of the SMBH (Aitken et al. 2000; Marrone et al. 2007; Eckart et al. 2012; Brinkerink et al. 2016; Bower et al. 2018; Do et al. 2019; Michail et al. 2023).”
From The Fermi/eROSITA bubbles: a look into the nuclear outflow from the Milky Way (2024) · cites this paper as Eckart et al. 2012
Cites
An iterative technique for the rectification of observed distributions
Lucy, L. B. (1974) · The Astronomical Journal · doi:10.1086/111605 · Cited by 3,866 · cited 1× · see citing works
“The images were stacked and mosaicked, the point spread functions (PSF) were extracted with StarFinder (Diolaiti et al. 2000) for deconvolution with the Lucy-Richardson (LR; Lucy 1974) algorithm.”
MethodA star in a 15.2-year orbit around the supermassive black hole at the centre of the Milky Way
Schödel, R., Ott, T., Genzel, R., Hofmann, R., Lehnert, M., Eckart, A., Mouawad, N., Alexander, T., Reid, M. J., Lenzen, R., et al. (2002) · Nature · doi:10.1038/nature01121 · Cited by 1,166 · see citing works
Self-citationGhez, A. M., Duchêne, G., Matthews, K., Hornstein, S. D., Tanner, A., Larkin, J., Morris, M., Becklin, E. E., Salim, S., Kremenek, T., et al. (2003) · The Astrophysical Journal · doi:10.1086/374804 · Cited by 717 · see citing works
Self-citationAn Unambiguous Detection of Faraday Rotation in Sagittarius A*
Marrone, D. P., Moran, J. M., Zhao, J.-H., & Rao, R. (2007) · The Astrophysical Journal · doi:10.1086/510850 · Cited by 298 · see citing works
Fish, V. L., Doeleman, S. S., Beaudoin, C., Blundell, R., Bolin, D. E., Bower, G. C., Chamberlin, R., Freund, R., Friberg, P., Gurwell, M. A., et al. (2011) · The Astrophysical Journal · doi:10.1088/2041-8205/727/2/l36 · Cited by 214 · see citing works
A Deep Submillimeter Survey of the Galactic Center
Pierce-Price, D., Richer, J. S., Greaves, J. S., Holland, W. S., Jenness, T., Lasenby, A. N., White, G. J., Matthews, H. E., Ward-Thompson, D., Dent, W. R. F., et al. (2000) · The Astrophysical Journal · doi:10.1086/317884 · Cited by 198 · see citing works
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Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign
Wielgus, M., Marchili, N., Martí-Vidal, I., Keating, G. K., Ramakrishnan, V., Tiede, P., Fomalont, E., Issaoun, S., Neilsen, J., Nowak, M. A., et al. (2025) · The Astrophysical Journal Letters · doi:10.3847/2041-8213/ac6428 · Cited by 112 · see citing works
Self-citationThe Fermi/eROSITA bubbles: a look into the nuclear outflow from the Milky Way
Sarkar, K. C. (2024) · The Astronomy and Astrophysics Review · doi:10.1007/s00159-024-00152-1 · Cited by 34 · see citing works
“1 pc of the Sgr A ∗ have been instrumental in determining the mass accretion rate of the SMBH (Aitken et al. 2000; Marrone et al. 2007; Eckart et al. 2012; Brinkerink et al. 2016; Bower et al. 2018; Do et al. 2019; Michail et al. 2023).”
Background
- Authors
- Eckart, A., García-Marín, M., Vogel, S. N., Teuben, P., Morris, M. R., Baganoff, F., Dexter, J., Schödel, R., Witzel, G., Valencia-S., M., Karas, V., Kunneriath, D., Straubmeier, C., Moser, L., Sabha, N., Buchholz, R., Zamaninasab, M., Mužić, K., Moultaka, J., & Zensus, J. A.
- Affiliations
- University of Cologne (DE)
- University of Maryland, College Park (US)
- University of California, Los Angeles (US)
- Massachusetts Institute of Technology (US)
- University of Washington (US)
- Instituto de Astrofísica de Andalucía (ES)
- Czech Academy of Sciences, Astronomical Institute (CZ)
- Max Planck Institute for Radio Astronomy (DE)
- University of Toronto (CA)
- Centre National de la Recherche Scientifique (FR)
- ORCID
- Venue
- Astronomy & Astrophysics
- Publisher
- EDP Sciences
- Published
- 2012-01
- Volume
- 537
- Pages
- A52
- ISSN
- 0004-6361 (ISSN-L)
- 1432-0746
- OpenAlex
- W2132472865
- Cited by
- 95
- References
- 6
- Citations by year
- 2026: 5 · 2025: 7 · 2024: 7 · 2023: 1 · 2022: 5 · 2021: 11 · 2020: 7 · 2019: 7 · 2018: 8 · 2017: 10 · 2016: 6 · 2015: 7 · 2014: 5 · 2013: 4 · 2012: 5
- FWCI
- 2.38
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Astronomy and Astrophysics (publishedVersion)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, other-oa)
- Springer Link (Chiba Institute of Technology) (submittedVersion)
- ASEP (submittedVersion, public-domain)
- Funders
- National Aeronautics and Space Administration
- Deutsche Forschungsgemeinschaft
- Bundesministerium für Bildung und Forschung (50OS1101)
- Max-Planck-Gesellschaft
- Ministerio de Ciencia e Innovación
- Junta de Andalucía
- International Max Planck Research School for Advanced Methods in Process and Systems Engineering
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astrophysical Phenomena and Observations
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Astrophysics and Cosmic Phenomena
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Pulsars and Gravitational Waves Research
- Keywords
- Sgr A*, supermassive black holes, black hole flares, X-ray flares, near-infrared flares, Galactic Center, flare modeling, simultaneous multiwavelength observations
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