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Two semi-automated computational approaches for spectroscopic analysis of stellar photospheres: detailed characterization at high resolution and abundance determination at medium resolution
Andre Milone, Ronaldo da Silva, Anne Sansom +1
We report on two distinct computational approaches to self-consistently measure photospheric properties of large samples of stars. Both procedures consist of a set of several semi-…
The effects of dust on the photometric parameters of decomposed disks and bulges
Bogdan A. Pastrav, Cristina C. Popescu, Richard J. Tuffs +1
We present results of a study to quantify the effects of dust on the derived photometric parameters of disk and bulges obtained from bulge-disk decomposition: scale-length, effecti…
A Herschel-ATLAS study of dusty spheroids: probing the minor-merger process in the local Universe
S. Kaviraj, K. Rowlands, M. Alpaslan +7
We use multi-wavelength (0.12 - 500 micron) photometry from Herschel-ATLAS, WISE, UKIDSS, SDSS and GALEX, to study 23 nearby spheroidal galaxies with prominent dust lanes (DLSGs).…
Tests of model predictions for the response of stellar spectra and absorption line indices to element abundance variations
A. E. Sansom, A. de Castro Milone, A. Vazdekis +1
To analyse stellar populations in galaxies a widely used method is to apply theoretically derived responses of stellar spectra and line indices to element abundance variations, her…
Galaxy And Mass Assembly (GAMA): Linking Star Formation Histories and Stellar Mass Growth
Amanda E. Bauer, A. M. Hopkins, M. Gunawardhana +23
We present evidence for stochastic star formation histories in low-mass (M* < 10^10 Msun) galaxies from observations within the Galaxy And Mass Assembly (GAMA) survey. For ~73,000…
Galaxy And Mass Assembly (GAMA): The Life and Times of L* Galaxies
A. S. G. Robotham, J. Liske, S. P. Driver +18
In this work we investigate in detail the effects local environment (groups and pairs) has on galaxies with stellar mass similar to the Milky-Way (L* galaxies). A volume limited sa…