S-band Polarization All-Sky Survey (S-PASS): survey description and maps

S-band Polarization All-Sky Survey (S-PASS): survey description and maps

Abstract We present the S-Band Polarization All Sky Survey (S-PASS), a survey of polarized radio emission over the southern sky at Dec.  3). The largest depolarization areas are in the inner Galaxy, associated with the Sagittarius Arm. We have also computed a rotation measure map combining S-PASS wi...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2019-10, Vol.489 (2), p.2330-2354
Hauptverfasser: Carretti, E, Haverkorn, M, Staveley-Smith, L, Bernardi, G, Gaensler, B M, Kesteven, M J, Poppi, S, Brown, S, Crocker, R M, Purcell, C, Schnitzler, D H F M, Sun, X
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Sprache:eng
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Zusammenfassung:Abstract We present the S-Band Polarization All Sky Survey (S-PASS), a survey of polarized radio emission over the southern sky at Dec.  3). The largest depolarization areas are in the inner Galaxy, associated with the Sagittarius Arm. We have also computed a rotation measure map combining S-PASS with archival data from the Wilkinson Microwave Anisotropy Probe (WMAP) and Planck experiments. A Stokes I map has been generated, with sensitivity limited to the confusion level of 9 mK.
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stz806