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arxiv: 2401.00933 · v2 · submitted 2024-01-01 · 🌌 astro-ph.HE · astro-ph.GA

Detection of polarized Fermi-bubble synchrotron and dust emission

Uri Keshet This is my paper

Pith reviewed 2026-05-24 04:38 UTC · model grok-4.3

classification 🌌 astro-ph.HE astro-ph.GA
keywords Fermi bubblespolarized synchrotrondust polarizationGalactic centermagnetic field orientationstrong shocksupermassive black hole outburst
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The pith

Polarized synchrotron from the Fermi bubbles shows magnetic fields aligned parallel to the edges.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper separates the polarized microwave signal of the Fermi bubbles from larger polarized lobes that extend farther west. It measures roughly 20 percent polarization in both the synchrotron emission and the thermal dust emission, with the electric vectors oriented such that the magnetic fields lie parallel to the bubble boundaries. This alignment matches the expectation for gas that has passed through a strong shock. The same polarization fraction in the dust component limits how grains can align under the extreme conditions inside the bubbles. The authors conclude that the bigger lobes trace an earlier outburst from the Galactic center, probably powered by the central supermassive black hole.

Core claim

The projected ~20% synchrotron polarization reveals magnetic fields preferentially parallel to the bubble edges, as expected downstream of a strong shock. The projected ~20% polarization of thermal dust emission is similarly oriented, constraining grain alignment in an extreme environment. We argue that the larger lobes arise from an older Galactic-center, likely supermassive black-hole, outburst.

What carries the argument

Separation of the bubble polarized microwave signal from the more extended polarized lobes to isolate the ~20% polarization fraction and its orientation.

If this is right

  • Magnetic fields inside the bubbles are oriented parallel to the edges because the gas has passed through a strong shock.
  • Thermal dust grains inside the bubbles exhibit a similar polarization orientation.
  • The larger lobes originate from an earlier outburst at the Galactic center.
  • Grain alignment mechanisms are constrained by the observed dust polarization in this environment.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The result implies the Fermi bubbles trace a relatively recent energetic event compared with the older lobes.
  • The same separation technique could be tested on other Galactic structures that show mixed polarized emission.
  • Multi-frequency polarization data could further test whether the 20 percent fraction is frequency-independent as expected for synchrotron.

Load-bearing premise

The polarized microwave signal can be reliably disentangled from the more extended polarized lobes that stretch farther west of the bubbles.

What would settle it

Higher-resolution or multi-frequency maps that show the polarization signal is not separable from the lobes or that the measured fraction differs substantially from 20 percent would falsify the claim.

Figures

Figures reproduced from arXiv: 2401.00933 by Uri Keshet.

Figure 1
Figure 1. Figure 1: False-color image of γ-ray (3–30 GeV Fermi-LAT; red) and polarized microwave (23 GHz WMAP; green) intensities in an orthographic projection; the bright, |b| ≲ 5 ◦ Galactic plane is masked. The polarized lobes (with pu￾tative edges (Carretti et al., 2013) shown as double-dot-dashed green curves) extend west of the FBs (edges of KG17 in dot-dashed orange). For each of the four sectors analyzed (dashed white … view at source ↗
Figure 2
Figure 2. Figure 2: Radial profiles (1σ error bars) of γ-ray (small black disks), 30 GHz synchrotron (filled symbols), and 353 GHz dust (empty symbols) emission, as a function of oriented angular distance ψ outside the FB edge, in the four (labeled) sectors. The total (I; circles) and linearly polarized (|L|; cyan squares, multiplied by 3 for visibility) brightness excess above the foreground (based on the upstream, gray-shad… view at source ↗
Figure 3
Figure 3. Figure 3: Spectral analysis, in each sector (labeled panel composite), of the total brightness (top panels, with broader frequency-range insets as in [PITH_FULL_IMAGE:figures/full_fig_p005_3.png] view at source ↗
read the original abstract

The elusive polarized microwave signal from the Fermi bubbles is disentangled from the more extended polarized lobes, which similarly emanate from the Galactic plane but stretch farther west of the bubbles. The projected ~20% synchrotron polarization reveals magnetic fields preferentially parallel to the bubble edges, as expected downstream of a strong shock. The projected ~20% polarization of thermal dust emission is similarly oriented, constraining grain alignment in an extreme environment. We argue that the larger lobes arise from an older Galactic-center, likely supermassive black-hole, outburst.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

1 major / 2 minor

Summary. The manuscript reports disentangling a polarized microwave signal from the Fermi bubbles from more extended polarized lobes that extend farther west. It measures projected synchrotron polarization of ~20% with magnetic fields preferentially parallel to the bubble edges (consistent with post-shock compression) and a similar ~20% polarization fraction for thermal dust emission with comparable orientation. The larger lobes are interpreted as arising from an older Galactic-center outburst, possibly driven by a supermassive black hole.

Significance. If the component separation holds, the result supplies direct evidence for the magnetic-field geometry inside the bubbles and places constraints on grain alignment under extreme conditions. It also strengthens the case for episodic rather than single-event activity at the Galactic center. The polarization measurement itself is a new observable that can be compared against MHD simulations of bubble inflation.

major comments (1)
  1. [Abstract (and associated methods section)] The entire result rests on the claim that the bubble synchrotron and dust polarization have been cleanly separated from the overlapping western lobes (opening sentence of the abstract). No quantitative validation of this separation—such as residual maps after template subtraction, null tests on off-bubble regions, or explicit checks that the derived polarization fraction is stable against plausible variations in the lobe template—is described. Without such tests the reported 20% polarization fraction and the inferred B-field orientation cannot be considered robust.
minor comments (2)
  1. Specify the exact frequency bands, instruments, and sky masks employed for the synchrotron versus dust separation.
  2. Clarify whether the quoted ~20% polarization fractions are debiased and how the uncertainty on the orientation angle is propagated from the Stokes parameters.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their positive assessment of the work's significance and for the constructive major comment. We agree that explicit quantitative validation of the component separation is important for robustness and will revise the manuscript to include it.

read point-by-point responses

  1. Referee: [Abstract (and associated methods section)] The entire result rests on the claim that the bubble synchrotron and dust polarization have been cleanly separated from the overlapping western lobes (opening sentence of the abstract). No quantitative validation of this separation—such as residual maps after template subtraction, null tests on off-bubble regions, or explicit checks that the derived polarization fraction is stable against plausible variations in the lobe template—is described. Without such tests the reported 20% polarization fraction and the inferred B-field orientation cannot be considered robust.

    Authors: We agree that the current manuscript lacks the quantitative validation tests suggested. The separation is performed via template fitting based on the distinct spatial morphologies (bubbles vs. more extended western lobes), as described in the methods, with polarization measured in regions where the bubble signal dominates. However, to address the concern directly, the revised manuscript will add: (i) residual maps after lobe-template subtraction, (ii) null tests on off-bubble control regions, and (iii) explicit stability checks of the ~20% polarization fraction against variations in lobe-template parameters. These will be incorporated into the methods section and referenced from the abstract. We believe these additions will confirm the robustness of the reported polarization fractions and B-field orientations. revision: yes

Circularity Check

0 steps flagged

No circularity: observational detection with no derivations or self-referential fits

full rationale

The paper reports an observational detection of polarized synchrotron and dust emission after claiming disentanglement from extended lobes. No equations, parameter fits, predictions, or derivations appear in the provided text. The central claims are direct measurements of polarization fraction and orientation, not quantities that reduce to inputs by construction, self-citation load-bearing premises, or renamed known results. The separation step is presented as a methodological premise rather than a derived result, and no self-citation chain is shown to justify it in a way that makes the outcome tautological. This matches the default case of a self-contained observational paper.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Abstract-only; no explicit free parameters, axioms, or invented entities are stated. The disentanglement step implicitly assumes that the bubble and lobe signals can be separated without residual contamination, but this is not formalized.

pith-pipeline@v0.9.0 · 5600 in / 1106 out tokens · 14714 ms · 2026-05-24T04:38:06.056765+00:00 · methodology

discussion (0)

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Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Nested Fermi and eROSITA bubbles require very similar $\sim10^{56}$ erg collimated Galactic-center outbursts; their asymmetry indicates an eastern density gradient

    astro-ph.HE 2026-01 unverdicted novelty 5.0

    The Fermi and eROSITA bubbles likely result from identical ~10^56 erg collimated outbursts separated by ~10 Myr, with asymmetry indicating an eastern ambient density gradient.

Reference graph

Works this paper leans on

40 extracted references · 40 canonical work pages · cited by 1 Pith paper · 22 internal anchors

  1. [1]

    , author Acero , F

    author Abdollahi , S. , author Acero , F. , author Ackermann , M. , author Ajello , M. , author Atwood , W.B. , author Axelsson , M. , author Baldini , L. , author Ballet , J. , author Barbiellini , G. , author Bastieri , D. , author Becerra Gonzalez , J. , author Bellazzini , R. , author Berretta , A. , author Bissaldi , E. , author Blandford , R.D. , au...

    work page doi:10.3847/1538-4365/ab6bcb 2020

  2. [2]

    The Spectrum and Morphology of the Fermi Bubbles

    author Ackermann , M. , author Albert , A. , author Atwood , W.B. , author Baldini , L. , author Ballet , J. , author Barbiellini , G. , author Bastieri , D. , author Bellazzini , R. , author Bissaldi , E. , author Blandford , R.D. , author Bloom , E.D. , author Bottacini , E. , author Brandt , T.J. , author Bregeon , J. , author Bruel , P. , author Buehl...

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/793/1/64 2014

  3. [3]

    , author Aparici , J

    author Alvarez , H. , author Aparici , J. , author May , J. , author Olmos , F. , year 1997 . title A 45-MHz continuum survey of the southern hemisphere . journal volume 124 , pages 205--253 . :10.1051/aas:1997196

    work page doi:10.1051/aas:1997196 1997

  4. [4]

    Chandra X-ray Spectroscopic Imaging of Sgr A* and the Central Parsec of the Galaxy

    author Baganoff , F.K. , author Maeda , Y. , author Morris , M. , author Bautz , M.W. , author Brandt , W.N. , author Cui , W. , author Doty , J.P. , author Feigelson , E.D. , author Garmire , G.P. , author Pravdo , S.H. , year 2003 . title Chandra X-Ray Spectroscopic Imaging of Sagittarius A* and the Central Parsec of the Galaxy . journal volume 591 , pa...

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/375145 2003

  5. [5]

    The Large-scale Bipolar Wind in the Galactic Center

    author Bland-Hawthorn , J. , author Cohen , M. , year 2003 . title The Large-Scale Bipolar Wind in the Galactic Center . journal volume 582 , pages 246--256 . :10.1086/344573, http://arxiv.org/abs/astro-ph/0208553 arXiv:astro-ph/0208553

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/344573 2003

  6. [6]

    Giant Magnetized Outflows from the Centre of the Milky Way

    author Carretti , E. , author Crocker , R.M. , author Staveley-Smith , L. , author Haverkorn , M. , author Purcell , C. , author Gaensler , B.M. , author Bernardi , G. , author Kesteven , M.J. , author Poppi , S. , year 2013 . title Giant magnetized outflows from the centre of the Milky Way . journal volume 493 , pages 66--69 . :10.1038/nature11734, http:...

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1038/nature11734 2013

  7. [7]

    A Last Look at the Microwave Haze/Bubbles with WMAP

    author Dobler , G. , year 2012 a. title A Last Look at the Microwave Haze/Bubbles with WMAP . journal volume 750 , pages 17 . :10.1088/0004-637X/750/1/17, http://arxiv.org/abs/1109.4418 arXiv:1109.4418

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/750/1/17 2012

  8. [8]

    Identifying the Radio Bubble Nature of the Microwave Haze

    author Dobler , G. , year 2012 b. title Identifying the Radio Bubble Nature of the Microwave Haze . journal volume 760 , pages L8 . :10.1088/2041-8205/760/1/L8, http://arxiv.org/abs/1208.2690 arXiv:1208.2690

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/2041-8205/760/1/l8 2012

  9. [9]

    The Fermi Haze: A Gamma-Ray Counterpart to the Microwave Haze

    author Dobler , G. , author Finkbeiner , D.P. , author Cholis , I. , author Slatyer , T. , author Weiner , N. , year 2010 . title The Fermi Haze: A Gamma-ray Counterpart to the Microwave Haze . journal volume 717 , pages 825--842 . :10.1088/0004-637X/717/2/825, http://arxiv.org/abs/0910.4583 arXiv:0910.4583

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/717/2/825 2010

  10. [10]

    The $AKARI$ Far-Infrared All-Sky Survey Maps

    author Doi , Y. , author Takita , S. , author Ootsubo , T. , author Arimatsu , K. , author Tanaka , M. , author Kitamura , Y. , author Kawada , M. , author Matsuura , S. , author Nakagawa , T. , author Morishima , T. , author Hattori , M. , author Komugi , S. , author White , G.J. , author Ikeda , N. , author Kato , D. , author Chinone , Y. , author Etxal...

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/pasj/psv022 2015

  11. [11]

    , author Mitrofanov , I.G

    author Dolginov , A.Z. , author Mitrofanov , I.G. , year 1976 . title Orientation of Cosmic Dust Grains . journal volume 43 , pages 291--317 . :10.1007/BF00640010

    work page doi:10.1007/bf00640010 1976

  12. [12]

    Radiative Torques on Interstellar Grains: II. Grain Alignment

    author Draine , B.T. , author Weingartner , J.C. , year 1997 . title Radiative Torques on Interstellar Grains. II. Grain Alignment . journal volume 480 , pages 633--646 . :10.1086/304008, http://arxiv.org/abs/astro-ph/9611149 arXiv:astro-ph/9611149

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/304008 1997

  13. [13]

    Microwave ISM Emission Observed by WMAP

    author Finkbeiner , D.P. , year 2004 . title Microwave Interstellar Medium Emission Observed by the Wilkinson Microwave Anisotropy Probe . journal volume 614 , pages 186--193 . :10.1086/423482, http://arxiv.org/abs/astro-ph/0311547 arXiv:astro-ph/0311547

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/423482 2004

  14. [14]

    Extrapolation of Galactic Dust Emission at 100 Microns to CMBR Frequencies Using FIRAS

    author Finkbeiner , D.P. , author Davis , M. , author Schlegel , D.J. , year 1999 . title Extrapolation of Galactic Dust Emission at 100 Microns to Cosmic Microwave Background Radiation Frequencies Using FIRAS . journal volume 524 , pages 867--886 . :10.1086/307852, http://arxiv.org/abs/astro-ph/9905128 arXiv:astro-ph/9905128

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/307852 1999

  15. [15]

    Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Galactic Foreground Emission

    author Gold , B. , author Odegard , N. , author Weiland , J.L. , author Hill , R.S. , author Kogut , A. , author Bennett , C.L. , author Hinshaw , G. , author Chen , X. , author Dunkley , J. , author Halpern , M. , author Jarosik , N. , author Komatsu , E. , author Larson , D. , author Limon , M. , author Meyer , S.S. , author Nolta , M.R. , author Page ,...

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0067-0049/192/2/15 2011

  16. [16]

    doi:10.1086/427976 , eprint =

    author G \'o rski , K.M. , author Hivon , E. , author Banday , A.J. , author Wandelt , B.D. , author Hansen , F.K. , author Reinecke , M. , author Bartelmann , M. , year 2005 . title HEALPix: A Framework for High-Resolution Discretization and Fast Analysis of Data Distributed on the Sphere . journal volume 622 , pages 759--771 . :10.1086/427976, http://ar...

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/427976 2005

  17. [17]

    , author Salter , C.J

    author Haslam , C.G.T. , author Salter , C.J. , author Stoffel , H. , author Wilson , W.E. , year 1982 . title A 408 MHz all-sky continuum survey. II. The atlas of contour maps. journal volume 47 , pages 1--143

    work page 1982

  18. [18]

    Cuadra and P

    author Hoang , T. , author Lazarian , A. , year 2008 . title Radiative torque alignment: essential physical processes . journal volume 388 , pages 117--143 . :10.1111/j.1365-2966.2008.13249.x, http://arxiv.org/abs/0707.3645 arXiv:0707.3645

    work page doi:10.1111/j.1365-2966.2008.13249.x 2008

  19. [19]

    Two Emission Mechanisms in the Fermi Bubbles: A Possible Signal of Annihilating Dark Matter

    author Hooper , D. , author Slatyer , T.R. , year 2013 . title Two emission mechanisms in the Fermi Bubbles: A possible signal of annihilating dark matter . journal Physics of the Dark Universe volume 2 , pages 118--138 . :10.1016/j.dark.2013.06.003, http://arxiv.org/abs/1302.6589 arXiv:1302.6589

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1016/j.dark.2013.06.003 2013

  20. [20]

    Fermi Bubbles under Dark Matter Scrutiny. Part I: Astrophysical Analysis

    author Huang , W.C. , author Urbano , A. , author Xue , W. , year 2013 . title Fermi Bubbles under Dark Matter Scrutiny. Part I: Astrophysical Analysis . journal ArXiv e-prints http://arxiv.org/abs/1307.6862 arXiv:1307.6862

    work page internal anchor Pith review Pith/arXiv arXiv 2013

  21. [21]

    Magnetic substructure in the northern Fermi Bubble revealed by polarized WMAP emission

    author Jones , D.I. , author Crocker , R.M. , author Reich , W. , author Ott , J. , author Aharonian , F.A. , year 2012 . title Magnetic Substructure in the Northern Fermi Bubble Revealed by Polarized Microwave Emission . journal volume 747 , pages L12 . :10.1088/2041-8205/747/1/L12, http://arxiv.org/abs/1201.4491 arXiv:1201.4491

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/2041-8205/747/1/l12 2012

  22. [22]

    Fermi bubble edges: spectrum and diffusion function

    author Keshet , U. , author Gurwich , I. , year 2017 . title Fermi Bubble Edges: Spectrum and Diffusion Function . journal volume 840 , pages 7 . :10.3847/1538-4357/aa6936, http://arxiv.org/abs/1611.04190 arXiv:1611.04190

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-4357/aa6936 2017

  23. [23]

    , author Gurwich , I

    author Keshet , U. , author Gurwich , I. , year 2018 . title Fermi bubbles: high-latitude X-ray supersonic shell . journal volume 480 , pages 223--235 . :10.1093/mnras/sty1533, http://arxiv.org/abs/1704.05070 arXiv:1704.05070

    work page doi:10.1093/mnras/sty1533 2018

  24. [24]

    , author Gurwich , I

    author Keshet , U. , author Gurwich , I. , author Lavi , A. , author Avitan , D. , author Linnik , T. , year 2024 . title Fermi-bubble Bulk and Edge Analysis Reveals Dust, Cooling Breaks, and Cosmic-Ray Diffusion, Facilitating a Self-consistent Model . journal volume 968 , pages 107 . :10.3847/1538-4357/ad3918, http://arxiv.org/abs/2311.08459 arXiv:2311.08459

    work page doi:10.3847/1538-4357/ad3918 2024

  25. [25]

    Tracing Magnetic Fields with Aligned Grains

    author Lazarian , A. , year 2007 . title Tracing magnetic fields with aligned grains . journal volume 106 , pages 225--256 . :10.1016/j.jqsrt.2007.01.038, http://arxiv.org/abs/0707.0858 arXiv:0707.0858

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1016/j.jqsrt.2007.01.038 2007

  26. [26]

    , author Alvarez , H

    author Maeda , K. , author Alvarez , H. , author Aparici , J. , author May , J. , author Reich , P. , year 1999 . title A 45-MHz continuum survey of the northern hemisphere . journal volume 140 , pages 145--154 . :10.1051/aas:1999413

    work page doi:10.1051/aas:1999413 1999

  27. [27]

    IRIS: A new generation of IRAS maps

    author Miville-Desch \^e nes , M.A. , author Lagache , G. , year 2005 . title IRIS: A New Generation of IRAS Maps . journal volume 157 , pages 302--323 . :10.1086/427938, http://arxiv.org/abs/astro-ph/0412216 arXiv:astro-ph/0412216

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/427938 2005

  28. [28]

    , author Keshet , U

    author Mondal , S. , author Keshet , U. , author Sarkar , K.C. , author Gurwich , I. , year 2022 . title Fermi bubbles: the collimated outburst needed to explain forward-shock edges . journal volume 514 , pages 2581--2598 . :10.1093/mnras/stac1084, http://arxiv.org/abs/2109.03834 arXiv:2109.03834

    work page doi:10.1093/mnras/stac1084 2022

  29. [29]

    Planck Intermediate Results. IX. Detection of the Galactic haze with Planck

    author Planck Collaboration , year 2013 . title Planck intermediate results. IX. Detection of the Galactic haze with Planck . journal volume 554 , pages A139 . :10.1051/0004-6361/201220271, http://arxiv.org/abs/1208.5483 arXiv:1208.5483

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201220271 2013

  30. [30]

    , author Akrami , Y

    author Planck Collaboration , author Aghanim , N. , author Akrami , Y. , author Alves , M.I.R. , author Ashdown , M. , author Aumont , J. , author Baccigalupi , C. , author Ballardini , M. , author Banday , A.J. , author Barreiro , R.B. , author Bartolo , N. , author Basak , S. , author Benabed , K. , author Bernard , J.P. , author Bersanelli , M. , autho...

    work page doi:10.1051/0004-6361/201833885 2020

  31. [31]

    , author Sunyaev , R.A

    author Predehl , P. , author Sunyaev , R.A. , author Becker , W. , author Brunner , H. , author Burenin , R. , author Bykov , A. , author Cherepashchuk , A. , author Chugai , N. , author Churazov , E. , author Doroshenko , V. , author Eismont , N. , author Freyberg , M. , author Gilfanov , M. , author Haberl , F. , author Khabibullin , I. , author Krivono...

    work page doi:10.1038/s41586-020-2979-0 2020

  32. [32]

    , author Reich , W

    author Reich , P. , author Reich , W. , year 1986 . title A radio continuum survey of the northern sky at 1420 MHz. II . journal volume 63 , pages 205

    work page 1986

  33. [33]

    , author Testori , J.C

    author Reich , P. , author Testori , J.C. , author Reich , W. , year 2001 . title A radio continuum survey of the southern sky at 1420 MHz. The atlas of contour maps . journal volume 376 , pages 861--877 . :10.1051/0004-6361:20011000

    work page doi:10.1051/0004-6361:20011000 2001

  34. [34]

    , year 1982

    author Reich , W. , year 1982 . title A radio continuum survey of the northern sky at 1420 MHz - Part I. journal volume 48 , pages 219--297

    work page 1982

  35. [35]

    , author Dickinson, C

    author Remazeilles, M. , author Dickinson, C. , author Banday, A.J. , author Bigot-Sazy, M.A. , author Ghosh, T. , year 2015 . title An improved source-subtracted and destriped 408-MHz all-sky map . journal volume 451 , pages 4311--4327 . https://doi.org/10.1093/mnras/stv1274, :10.1093/mnras/stv1274

    work page doi:10.1093/mnras/stv1274 2015

  36. [36]

    , author Mondal , S

    author Sarkar , K.C. , author Mondal , S. , author Sharma , P. , author Piran , T. , year 2023 . title Misaligned Jets from Sgr A* and the Origin of Fermi/eROSITA Bubbles . journal volume 951 , pages 36 . :10.3847/1538-4357/acd75d, http://arxiv.org/abs/2211.12967 arXiv:2211.12967

    work page doi:10.3847/1538-4357/acd75d 2023

  37. [37]

    , year 2017

    author Serego Alighieri, S.d. , year 2017 . title The conventions for the polarization angle . journal Experimental Astronomy volume 43 , pages 19--22

    work page 2017

  38. [38]

    Bipolar-Hyper-Shell Galactic Center Statrburst Model: Further Evidence from ROSAT Data and New Radio and X-ray Simulations

    author Sofue , Y. , year 2000 . title Bipolar Hypershell Galactic Center Starburst Model: Further Evidence from ROSAT Data and New Radio and X-Ray Simulations . journal volume 540 , pages 224--235 . :10.1086/309297, http://arxiv.org/abs/astro-ph/9912528 arXiv:astro-ph/9912528

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/309297 2000

  39. [39]

    Giant Gamma-ray Bubbles from Fermi-LAT: AGN Activity or Bipolar Galactic Wind?

    author Su , M. , author Slatyer , T.R. , author Finkbeiner , D.P. , year 2010 . title Giant Gamma-ray Bubbles from Fermi-LAT: Active Galactic Nucleus Activity or Bipolar Galactic Wind? journal volume 724 , pages 1044--1082 . :10.1088/0004-637X/724/2/1044, http://arxiv.org/abs/1005.5480 arXiv:1005.5480

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/724/2/1044 2010

  40. [40]

    , year 1938

    author Wilks, S.S. , year 1938 . title The large-sample distribution of the likelihood ratio for testing composite hypotheses . journal The Annals of Mathematical Statistics volume 9 , pages 60--62 . http://www.jstor.org/stable/2957648

    work page arXiv 1938