First-look XMM-Newton EPIC observations of the prototypical starburst galaxy M82

Stevens, I. R.; Read, A. M.; Bravo-Guerrero, Jimena

doi:10.1046/j.1365-8711.2003.06894.x

Cited by 61 publications

(84 citation statements)

References 30 publications

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“…It is the prototype nearby starburst galaxy (e.g., Barker et al 2008, and references therein) and contains a complex system of star clusters. The energy from these clusters drives the famous Hα-and X-ray-bright, kiloparsec-scale superwind (Shopbell & Bland-Hawthorn 1998;Stevens et al 2003;Strickland & Heckman 2007). The M82 system has a very complex structure, which varies on both large and small scales, and its dynamics are also complicated by the inflows and outflows caused by the galaxy's bar and its ongoing starburst.…”

Section: Introductionmentioning

confidence: 99%

Star Cluster Disruption in the Starburst Galaxy Messier 82

Li¹,

Grijs²,

Anders³

et al. 2014

ApJS

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Using high-resolution, multiple-passband Hubble Space Telescope images spanning the entire optical/near-infrared wavelength range, we obtained a statistically complete sample, U -band selected sample of 846 extended star clusters across the disk of the nearby starburst galaxy M82. Based on careful analysis of their spectral energy distributions, we determined their galaxy-wide age and mass distributions. The M82 clusters exhibit three clear peaks in their age distribution, thus defining a relatively young, log(t yr −1 ) ≤ 7.5, an intermediate-age, log(t yr −1 ) ∈ [7.5, 8.5], and an old sample, log(t yr −1 ) ≥ 8.5. Comparison of the completeness-corrected mass distributions offers a firm handle on the galaxy's star cluster disruption history. The most massive star clusters in the young and old samples are (almost) all concentrated in the most densely populated central region, while the intermediate-age sample's most massive clusters are more spatially dispersed, which may reflect the distribution of the highest-density gas throughout the galaxy's evolutionary history, combined with the solid-body nature of the galaxy's central region.

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Section: Introductionmentioning

confidence: 99%

Star Cluster Disruption in the Starburst Galaxy Messier 82

Li¹,

Grijs²,

Anders³

et al. 2014

ApJS

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“…Chandra observations (Read 2003) show starburst-driven galactic winds, similar to, though not yet of the size of the M82 wind, outflowing along the minor axes of both galaxies. That such a phenomenon can occur in such a rapidly evolving and turbulent system is surprising, and this is first time that the very beginning of starburst-driven hot gaseous outflow in a full-blown disk-disk merger has been seen.…”

Section: Interacting and Merging Galaxiesmentioning

confidence: 89%

“…The central region of the wind is hot, fitted with 132 Andrew M. Read . Furthermore there appears to be a HI hole associated with the superwind breakout, and an excess of HI associated with the dark lanes in the superwind (Stevens et al 2003).…”

Section: Starburst Galaxiesmentioning

confidence: 97%

“…It is close (D=3.6 Mpc), very IR bright and its starburst is triggered by the interaction with its neighbour, M81. Its superwind is visible in Hα and in X-rays (Stevens et al 2003), extending some ∼14 kpc out of the plane of the galaxy. Various features are seen in the XMM-Newton view of the superwind, including a Hα 'cap' at the edge of the wind (thought to be an interaction of the superwind with an ionized cloud), an X-ray bridge connecting to this, and bright and dark lanes within the wind.…”

Section: Starburst Galaxiesmentioning

confidence: 99%

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Diffuse X-ray Emission from Galaxies

Read

2005

Proc. IAU

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Abstract. I review here the current ideas regarding the origin, evolution, and physical nature of hot diffuse gas in normal, starburst, interacting and merging galaxies, using recent X-ray observations with XMM-Newton and Chandra. Many types of diffuse X-ray structures, including winds, bubbles, halos, chimneys and fountains, can be formed in galaxies, and can enrich the intergalactic medium with mass, energy and metals. This has profound implications as regards galactic formation and evolution, and the enrichment and evolution of galaxy groups and clusters.

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“…Spectacular examples of fully fledged superwinds include M82 (Strickland et al 1997;Stevens et al 2003;Strickland & Heckman 2009), NGC 253 (Strickland & Stevens 2000), NGC 3256 (Lehmer et al 2015), and NGC 3079 (Heckman et al 1990;Veilleux et al 1994;Cecil et al 2001;Strickland et al 2003) but the earlier development of superwinds, particularly as the superbubble reaches the blow-out phase, has received less attention. The subject of this study, NGC 2782, may well be an example of a galaxy in such a phase and we aim to describe the detailed mechanisms of emission and physical state of the gas in this galaxy.…”

Section: Introductionmentioning

confidence: 99%

Superwind evolution: the young starburst-driven wind galaxy NGC 2782

Bravo-Guerrero

Stevens

2017

Monthly Notices of the Royal Astronomical Society

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We present results from a 30 ksec Chandra observation of the important starburst galaxy NGC 2782, covering the 0.3-10 keV energy band. We find evidence of a superwind of small extent, that is likely in an early stage of development.We find a total of 27 X-ray point sources within a region of radius 2D 25 of the galaxy centre and which are likely associated with the galaxy. Of these, 13 are ULXs (L X 10 39 erg s −1 ) and a number have likely counterparts. The X-ray luminosities of the ULX candidates are 1.2 − 3.9 × 10 39 erg s −1 . NGC 2782 seems to have an unusually large number of ULXs.Central diffuse X-ray emission extending to ∼ 3 kpc from the nuclear region has been detected. We also find an X-ray structure to the south of the nucleus, coincident with Hα filaments and with a 5 GHz radio source. We interpret this as a blow-out region of a forming superwind. This X-ray bubble has a total luminosity (0.3-10 keV) of 5 × 10 39 erg s −1 (around 15% of the total luminosity of the extended emission), and an inferred wind mass of 1.5 × 10 6 M . We also discuss the nature of the central X-ray source in NGC 2782, and conclude that it is likely a low-luminosity AGN (LLAGN), with a total X-ray luminosity of L X = 6 × 10 40 erg s −1 , with strong Fe line emission at 6.4 keV.

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First-look XMM-Newton EPIC observations of the prototypical starburst galaxy M82

Cited by 61 publications

References 30 publications

Star Cluster Disruption in the Starburst Galaxy Messier 82

Star Cluster Disruption in the Starburst Galaxy Messier 82

Diffuse X-ray Emission from Galaxies

Superwind evolution: the young starburst-driven wind galaxy NGC 2782

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