Molecular gas in the Andromeda galaxy
Ch. Nieten,N. Neininger,N. Neininger,M. Guelin,H. Ungerechts,R. Lucas,Elly M. Berkhuijsen,Rainer Beck,Richard Wielebinski +8 more
TLDR
M 31, the closest large spiral galaxy to our own, is the best object for studying molecular clouds and their relation to the spiral structure as discussed by the authors, and it is also one of the best places where to estimate molecular clouds masses through the Virial Theorem.Abstract:
M 31, the closest large spiral galaxy to our own, is the best object for studying molecular clouds and their relation to the spiral structure. As one of the astronomical objects with the best known distance (0.78 ± 0.02 Mpc), it is also one of the best places where to estimate molecular clouds masses through the Virial Theorem.read more
Citations
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Journal ArticleDOI
The Herschel Exploitation of Local Galaxy Andromeda (HELGA) - I. Global far-infrared and sub-mm morphology
Jacopo Fritz,Gianfranco Gentile,Gianfranco Gentile,Matthew Smith,Walter Kieran Gear,Robert Braun,J. Roman Duval,George J. Bendo,Maarten Baes,Stephen Anthony Eales,Joris Verstappen,Joris Blommaert,Médéric Boquien,Médéric Boquien,Alessandro Boselli,David L. Clements,A. Cooray,Luca Cortese,I. De Looze,G. P. Ford,Frédéric Galliano,Haley Louise Gomez,Karl D. Gordon,Karl D. Gordon,Vianney Lebouteiller,B. O'Halloran,Jason M. Kirk,S. C. Madden,M. J. Page,A. Remy,Helene Roussel,L. Spinoglio,David A. Thilker,Mattia Vaccari,C. D. Wilson,C. Waelkens +35 more
TL;DR: In this article, the authors used high-resolution maps of the atomic hydrogen, fully covering our fields, to identify dust emission features that genuinely belong to M31, distinguishing them from emission coming from the foreground Galactic cirrus.
Journal ArticleDOI
Relating dust, gas, and the rate of star formation in M 31
TL;DR: In this paper, the authors derived distributions of dust temperature and dust opacity across M31 at 45 00 resolution using the Spitzer data and calculated the star formation rate and star formation efficiency from the de-redened Hemission.
Journal ArticleDOI
Unresolved emission and ionized gas in the bulge of M31
Á. Bogdán,Marat Gilfanov +1 more
TL;DR: In this paper, the origin of unresolved X-ray emission from the bulge of M31 based on archival Chandra and XMM-Newton observations was studied. And the authors demonstrated that three different components are present: (i) broad-band emission from a large number of faint sources - mainly accreting white dwarfs and active binaries, associated with the old stellar population.
Journal ArticleDOI
The Nature and Origin of Substructure in the Outskirts of M31 -- II. Detailed Star Formation Histories
Edouard J. Bernard,Annette M. N. Ferguson,Jenny C. Richardson,Jenny C. Richardson,Mike Irwin,Michael K. Barker,Sebastian L. Hidalgo,Sebastian L. Hidalgo,Antonio Aparicio,Antonio Aparicio,Scott Chapman,Scott Chapman,Rodrigo A. Ibata,Geraint F. Lewis,Alan W. McConnachie,Nial R. Tanvir +15 more
TL;DR: In this article, the authors derived further constraints in the form of quantitative star formation histories (SFHs) for 14 inner halo fields which sample diverse substructures, and found the resultant behaviours can be broadly separated into two categories.
Journal ArticleDOI
Andromeda's Dust
Bruce T. Draine,G. Aniano,Oliver Krause,Brent Groves,Karin Sandstrom,Robert Braun,Adam K. Leroy,Ulrich Klaas,Hendrik Linz,Hans-Walter Rix,Eva Schinnerer,Anika Schmiedeke,Fabian Walter +12 more
TL;DR: In this paper, the authors used the Spitzer Space Telescope and Herschel Space Observatory imaging of M31 to construct maps of dust surface density, dust-to-gas ratio, starlight heating intensity, and PAH abundance, out to R=25kpc.
References
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