Results 11 to 20 of about 7,707 (224)

The dust in M31 [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2019
Abstract We have analysed Herschel observations of M31, using the ppmap procedure. The resolution of ppmap images is sufficient ($\sim 31\, {\rm pc}$ on M31) that we can analyse far-IR dust emission on the scale of giant molecular clouds.
A P Whitworth   +8 more
openaire   +5 more sources

RECURRENT NOVAE IN M31 [PDF]

open access: yesThe Astrophysical Journal Supplement Series, 2015
The reported positions of 964 suspected nova eruptions in M31 recorded through the end of calendar year 2013 have been compared in order to identify recurrent nova candidates. To pass the initial screen and qualify as a recurrent nova candidate two or more eruptions were required to be coincident within 0.1', although this criterion was relaxed to 0.15'
Shafter, A. W.   +10 more
openaire   +8 more sources

The M31–M33 Interaction: Impact on M31’s Center-of-mass Motion and Satellite Orbits

open access: yesThe Astrophysical Journal
Inspired by recent studies of the interaction between the Milky Way and the Large Magellanic Cloud and its implications for the Milky Way’s global dynamical history, we investigate how the massive satellite galaxy M33 influences the position and velocity
Ekta Patel   +2 more
doaj   +2 more sources

Evidence of Halo Microlensing in M31 [PDF]

open access: yesThe Astrophysical Journal, 2004
25 pages, LaTex; 11 figures. Revised, refereed manuscript resubmitted to The Astrophysical Journal.
Uglesich, RR   +5 more
core   +5 more sources

Probing the Disk Kinematics of M31 with DESI

open access: yesEdinburgh Student Journal of Science
M31’s stellar rotation curve and disk line-of-sight dispersion is presented using kinematic data from a novel DESI M31 survey in combination with similar datasets.
Struan Stevenson
doaj   +3 more sources

Could M31 be the result of a major merger?

open access: yesEPJ Web of Conferences, 2012
We investigated a scenario in which M31 could be the remnant of a gas-rich major merger. Galaxy merger simulations, highly constrained by observations, were run using GADGET 2 in order to reproduce M31. We succeeded in reproducing the global shape of M31,
Puech M.   +5 more
doaj   +2 more sources

Interstellar Polarization in M31

open access: yesThe Astronomical Journal, 2004
13 pages, 2 figures, AJ in press (June)
Clayton, Geoffrey C.   +5 more
openaire   +5 more sources

Properties of the nova population in M31

open access: yesThe Astronomical Journal, 1989
Observations of M31 novae are reviewed, and the implications of the results for the understanding of how novae distribute in galaxies and galactic subsystems are discussed. After correction for systematic errors, an annual rate of outbursts of 29 + or - 4 novae/yr is found.
CAPACCIOLI M.   +3 more
openaire   +3 more sources

On the mass of M31 [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2002
Recent work by several groups has established the properties of the dwarf satellites to M31. We reexamine the reported kinematics of this group employing a fresh technique we have developed previously. By calculating the distribution of a chi statistic (which we define in the paper) for the M31 system, we conclude that the total mass (disk plus halo ...
Gottesman, S. T.   +2 more
openaire   +2 more sources

HI-Shells in M31 [PDF]

open access: yesSymposium - International Astronomical Union, 1983
Close inspection of the channel maps which make up the high resolution M31 HI-data set (Brinks, this volume) resulted in finding numerous shell structures and bubble-like regions. To avoid any bias in the interpretation we shall call holes, in the course of this contribution, all those structures where we find a deficiency of neutral gas.
E. Brinks, E. Bajaja
openaire   +1 more source

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