2010A&A...518L..53B


Query : 2010A&A...518L..53B

2010A&A...518L..53B - Astronomy and Astrophysics, volume 518, L53-53 (2010/7-2)

The Herschel Virgo Cluster Survey. VI. The far-infrared view of M87.

BAES M., CLEMENS M., XILOURIS E.M., FRITZ J., COTTON W.D., DAVIES J.I., BENDO G.J., BIANCHI S., CORTESE L., DE LOOZE I., POHLEN M., VERSTAPPEN J., BOEHRINGER H., BOMANS D.J., BOSELLI A., CORBELLI E., DARIUSH A., DI SEREGO ALIGHIERI S., FADDA D., GARCIA-APPADOO D.A., GAVAZZI G., GIOVANARDI C., GROSSI M., HUGHES T.M., HUNT L.K., JONES A.P., MADDEN S., PIERINI D., SABATINI S., SMITH M.W.L., VLAHAKIS C. and ZIBETTI S.

Abstract (from CDS):

The origin of the far-infrared emission from the nearby radio galaxy M87 remains a matter of debate. Some studies find evidence of a far-infrared excess due to thermal dust emission, whereas others propose that the far-infrared emission can be explained by synchrotron emission without the need for an additional dust emission component. We present Herschel PACS and SPIRE observations of M87, taken as part of the science demonstration phase observations of the Herschel Virgo Cluster Survey. We compare these data with a synchrotron model based on mid-infrared, far-infrared, submm and radio data from the literature to investigate the origin of the far-infrared emission. Both the integrated SED and the Herschel surface brightness maps are adequately explained by synchrotron emission. At odds with previous claims, we find no evidence of a diffuse dust component in M87, which is not unexpected in the harsh X-ray environment of this radio galaxy sitting at the core of the Virgo cluster.

Abstract Copyright:

Journal keyword(s): galaxies: individual: M87 - radiation mechanisms: thermal - radiation mechanisms: non-thermal - infrared: galaxies

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6379 0
2 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 6826 3

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2023.01.31-01:50:31

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