The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Extended Anomalous Foreground Emission in the WMAP Three‐Year Data
Open accessAbstract
We study the spectral and morphological characteristics of the diffuse Galactic emission in the WMAP temperature data using a template-based multilinear regression, and obtain the following results. (1) We confirm previous observations of a bump in the dust-correlated spectrum, consistent with the Draine & Lazarian spinning dust model. (2) We also confirm the "haze" signal in the inner Galaxy, and argue that it does not follow a free-free spectrum as first thought, but instead is synchrotron emission from a hard electron cosmic-ray population. (3) In a departure from previous work, we allow the spectrum of Hα-correlated emission (which is used to trace the free-free component) to float in the fit, and find that it does not follow the expected free-free spectrum. Instead there is a bump near 50 GHz, modifying the spectrum at the 20% level, which we speculate is caused by spinning dust in the warm ionized medium. (4) The derived cross-correlation spectra are not sensitive to the map zero points, but are sensitive to the choice of CMB estimator. In cases where the CMB estimator is derived by minimizing variance of a linear combination of the WMAP bands, we show that a bias proportional to the cross-correlation of each template and the true CMB is always present. This bias can be larger than any of the foreground signals in some bands. (5) Lastly, we consider the frequency coverage and sensitivity of the Planck mission, and suggest linear combination coefficients for the CMB template that will reduce both the statistical and systematic uncertainty in the synchrotron and haze spectra by more than an order of magnitude.
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“The haze was later found to be of synchrotron origin, independent of the free-free emission template, with a spectral index ( Tb ∝ ν -β ) of β = 2 . 4 -2 . 7 (Dobler & Finkbeiner 2008; Su et al. 2010).”
From The Fermi/eROSITA bubbles: a look into the nuclear outflow from the Milky Way (2024) · cites this paper as Dobler & Finkbeiner 2008
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“It is found that the spectral index, β , (brightness temperature, Tb ∝ ν -β ) for the Loop-I is ≃ 3 (Finkbeiner 2004; Davies et al. 2006; Dobler & Finkbeiner 2008), indicating a CR electron index of p ≃ 3 at the high latitudes (following p = 2 β -3 for synchrotron emission).”
From The Fermi/eROSITA bubbles: a look into the nuclear outflow from the Milky Way (2024) · cites this paper as Dobler & Finkbeiner 2008
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“In the past two decades, it has become increasingly clear that the Milky Way is such a system with a large-scale ( ≳ kpc) outflow where we can possibly have a multi-wavelength observation of the feedback process.”
From The Fermi/eROSITA bubbles: a look into the nuclear outflow from the Milky Way (2024) · cites this paper as Dobler & Finkbeiner 2008
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Cites
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Three‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Implications for Cosmology
Spergel, D. N., Bean, R., Dore, O., Nolta, M. R., Bennett, C. L., Dunkley, J., Hinshaw, G., Jarosik, N., Komatsu, E., Page, L., et al. (2007) · The Astrophysical Journal Supplement Series · doi:10.1086/513700 · Cited by 6,778
Cosmological parameters from SDSS and WMAP
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Three‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Polarization Analysis
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First‐Year Wilkinson Microwave Anisotropy Probe ( WMAP ) Observations: Foreground Emission
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Three‐YearWilkinson Microwave Anisotropy Probe(WMAP) Observations: Temperature Analysis
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NINE-YEAR WILKINSON MICROWAVE ANISOTROPY PROBE ( WMAP ) OBSERVATIONS: FINAL MAPS AND RESULTS
Bennett, C. L., Larson, D., Weiland, J. L., Jarosik, N., Hinshaw, G., Odegard, N., Smith, K. M., Hill, R. S., Gold, B., Halpern, M., et al. (2013) · The Astrophysical Journal Supplement Series · doi:10.1088/0067-0049/208/2/20 · Cited by 2,639
Nima Arkani-hamed, A., Finkbeiner, D. P., Slatyer, T. R., & Weiner, N. (2009) · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · doi:10.1103/physrevd.79.015014 · Cited by 1,660
Self-citationGIANT GAMMA-RAY BUBBLES FROM FERMI-LAT: ACTIVE GALACTIC NUCLEUS ACTIVITY OR BIPOLAR GALACTIC WIND?
Su, M., Slatyer, T., & Finkbeiner, D. (2010) · The Astrophysical Journal · doi:10.1088/0004-637x/724/2/1044 · Cited by 756
Self-citationBackground model systematics for the Fermi GeV excess
Calore, F., Cholis, I., & Weniger, C. (2014) · Journal of Cosmology and Astroparticle Physics · doi:10.1088/1475-7516/2015/03/038 · Cited by 495
Cool outflows in galaxies and their implications
Veilleux, S., Maiolino, R., Bolatto, A. D., & Aalto, S. (2020) · The Astronomy and Astrophysics Review · doi:10.1007/s00159-019-0121-9 · Cited by 516
Metadata
- Authors
- Dobler, G., & Finkbeiner, D. P.
- Affiliations
- Harvard University (US)
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2008-06-20
- Volume
- 680
- Issue
- 2
- Pages
- 1222-1234
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1970145818
- Cited by
- 223
- References
- 36
- Citations by year
- 2024: 3 · 2023: 5 · 2022: 11 · 2021: 6 · 2020: 5 · 2019: 3 · 2018: 7 · 2017: 6 · 2016: 10 · 2015: 16 · 2014: 10 · 2013: 20 · 2012: 28
- FWCI
- 18.08
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The Astrophysical Journal (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
- arXiv (Cornell University)
- Funders
- National Aeronautics and Space Administration (NAG512972, 12972)
- Goddard Space Flight Center
- Astrophysics Division
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astrophysics and Star Formation Studies
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Dark Matter and Cosmic Phenomena
- Keywords
- spinning dust, synchrotron radiation, free-free emission, H-alpha emission, warm ionized medium, WMAP three-year data
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