Galaxy And Mass Assembly: Stellar Mass Estimates
Edward N. Taylor,Andrew M. Hopkins,Ivan K. Baldry,Michael J. I. Brown,Simon P. Driver,Lee S. Kelvin,David T. Hill,Aaron S. G. Robotham,Joss Bland-Hawthorn,D. H. P. Jones,R. G. Sharp,Daniel Thomas,Jochen Liske,Jon Loveday,Peder Norberg,John A. Peacock,Steven P. Bamford,Sarah Brough,Matthew Colless,Ewan Cameron,C. J. Conselice,Scott M. Croom,Carlos S. Frenk,Madusha Gunawardhana,Konrad Kuijken,Robert C. Nichol,H. Parkinson,S. Phillipps,Kevin A. Pimbblet,Cristina Popescu,Matthew Prescott,William J. Sutherland,R. J. Tuffs,Eelco van Kampen,D. Wijesinghe +34 more
TLDR
The first catalogue of photometrically derived stellar mass estimates for intermediate-redshift (z < 0.65) galaxies in the Galaxy And Mass Assembly (GAMA) spectroscopic redshift survey is described in this paper.Abstract:
This paper describes the first catalogue of photometrically-derived stellar mass estimates for intermediate-redshift (z < 0.65) galaxies in the Galaxy And Mass Assembly (GAMA) spectroscopic redshift survey. These masses, as well as the full set of ancillary stellar population parameters, will be made public as part of GAMA data release 2. Although the GAMA database does include NIR photometry, we show that the quality of our stellar population synthesis fits is significantly poorer when these NIR data are included. Further, for a large fraction of galaxies, the stellar population parameters inferred from the optical-plus-NIR photometry are formally inconsistent with those inferred from the optical data alone. This may indicate problems in our stellar population library, or NIR data issues, or both; these issues will be addressed for future versions of the catalogue. For now, we have chosen to base our stellar mass estimates on optical photometry only. In light of our decision to ignore the available NIR data, we examine how well stellar mass can be constrained based on optical data alone. We use generic properties of stellar population synthesis models to demonstrate that restframe colour alone is in principle a very good estimator of stellar mass-to-light ratio, M*/Li. Further, we use the observed relation between restframe (g-i) and M*/Li for real GAMA galaxies to argue that, modulo uncertainties in the stellar evolution models themselves, (g-i) colour can in practice be used to estimate M*/Li to an accuracy of < ~0.1 dex. This 'empirically calibrated' (g-i)-M*/Li relation offers a simple and transparent means for estimating galaxies' stellar masses based on minimal data, and so provides a solid basis for other surveys to compare their results to z < ~0.4 measurements from GAMA.read more
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The EAGLE simulations of galaxy formation: calibration of subgrid physics and model variations
Robert A. Crain,Robert A. Crain,Joop Schaye,Richard G. Bower,Michelle Furlong,Matthieu Schaller,Tom Theuns,Claudio Dalla Vecchia,Claudio Dalla Vecchia,Carlos S. Frenk,Ian G. McCarthy,John C. Helly,Adrian Jenkins,Yetli Rosas-Guevara,Simon D. M. White,James W. Trayford +15 more
TL;DR: In this article, the authors present results from thirteen cosmological simulations that explore the parameter space of the "Evolution and Assembly of GaLaxies and their Environments" (EAGLE) simulation project.
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3D-HST: a wide-field grism spectroscopic survey with the Hubble Space Telescope
Gabriel B. Brammer,Pieter G. van Dokkum,Marijn Franx,Mattia Fumagalli,Shannon G. Patel,Hans-Walter Rix,Rosalind E. Skelton,Mariska Kriek,Erica J. Nelson,Kasper B. Schmidt,Rachel Bezanson,Elisabete da Cunha,Dawn K. Erb,Xiaohui Fan,Natascha M. Förster Schreiber,Garth D. Illingworth,Ivo Labbé,Joel Leja,Britt Lundgren,Dan Magee,Danilo Marchesini,Patrick J. McCarthy,Ivelina Momcheva,Ivelina Momcheva,Adam Muzzin,Ryan Quadri,Charles C. Steidel,Tomer Tal,David Wake,Katherine E. Whitaker,Anna Williams +30 more
TL;DR: 3D-HST as discussed by the authors is a near-infrared spectroscopic Treasury program with the Hubble Space Telescope for studying the physical processes that shape galaxies in the distant universe.
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Modeling the Panchromatic Spectral Energy Distributions of Galaxies
TL;DR: An overview of the stellar population synthesis (SPS) technique and what can be reliably measured from galaxy spectral energy distributions can be found in this paper, including stellar masses, star-formation rates and histories, metallicities and abundance patterns, dust properties, and the stellar initial mass function.
Journal ArticleDOI
PRIMUS: Constraints on Star Formation Quenching and Galaxy Merging, and the Evolution of the Stellar Mass Function from z = 0-1
John Moustakas,Alison L. Coil,Alison L. Coil,James Aird,Michael R. Blanton,Richard J. Cool,Daniel J. Eisenstein,Alexander J. Mendez,Kenneth C. Wong,Guangtun Zhu,Stéphane Arnouts +10 more
TL;DR: In this paper, the authors measured the evolution of the stellar mass function (SMF) from z = 0−1 using multi-wavelength imaging and spectroscopic redshifts from the PRism MUlti-object Survey (PRIMUS) and the Sloan Digital Sky Survey (SDSS).
Journal ArticleDOI
Galaxy and mass assembly (GAMA): End of survey report and data release 2
Jochen Liske,Ivan K. Baldry,Simon P. Driver,Simon P. Driver,Richard J. Tuffs,Mehmet Alpaslan,E. Andrae,Sarah Brough,Michelle E. Cluver,Meiert W. Grootes,Madusha Gunawardhana,Lee S. Kelvin,Jonathan Loveday,Aaron S. G. Robotham,Edward N. Taylor,Steven P. Bamford,Jonathan Bland-Hawthorn,Michael J. I. Brown,Michael J. Drinkwater,Andrew M. Hopkins,Martin Meyer,Peder Norberg,John A. Peacock,N. K. Agius,Stephen K. Andrews,Amanda E. Bauer,J. H. Y. Ching,Matthew Colless,Christopher J. Conselice,Scott M. Croom,Luke J. M. Davies,R. De Propris,Loretta Dunne,Loretta Dunne,Elizabeth Eardley,Simon Ellis,Caroline Foster,Carlos S. Frenk,Boris Häußler,Boris Häußler,Benne W. Holwerda,Cullan Howlett,Cullan Howlett,H.. Ibarra,Matt J. Jarvis,Matt J. Jarvis,D. H. Jones,D. H. Jones,Prajwal R. Kafle,Cedric G. Lacey,Rebecca A. Lange,Maritza A. Lara-López,Maritza A. Lara-López,Angel R. Lopez-Sanchez,Angel R. Lopez-Sanchez,Steve Maddox,Steve Maddox,Barry F. Madore,T. Mcnaught-Roberts,Amanda J. Moffett,Robert C. Nichol,Matt S. Owers,David Palamara,Samantha J. Penny,Steven Phillipps,Kevin A. Pimbblet,Kevin A. Pimbblet,Cristina Popescu,Cristina Popescu,Cristina Popescu,Matthew Prescott,R. Proctor,Elaine M. Sadler,Anne E. Sansom,Mark Seibert,Rob Sharp,William J. Sutherland,J. A. Vázquez-Mata,E. van Kampen,Stephen M. Wilkins,R.. Williams,A. H. Wright +81 more
TL;DR: The Galaxy And Mass Assembly (GAMA) survey as mentioned in this paper is one of the largest contemporary spectroscopic surveys of low redshift galaxies, covering an area of ∼286 deg2 (split among five survey regions) down to a limiting magnitude of r < 19.8 mag, and collecting spectra and reliable redshifts for 238'000 objects using the AAOmega spectrograph on the Anglo-Australian Telescope.
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The 2dF Galaxy Redshift Survey: Final data release
Matthew Colless,Bruce A. Peterson,Carole Jackson,John A. Peacock,Shaun Cole,Peder Norberg,Ivan K. Baldry,Carlton M. Baugh,Joss Bland-Hawthorn,Terry J. Bridges,Russell D. Cannon,Chris A. Collins,Warrick J. Couch,Nicholas Cross,Gavin Dalton,Roberto De Propris,Simon P. Driver,George Efstathiou,Richard S. Ellis,Carlos S. Frenk,Karl Glazebrook,Ofer Lahav,Ian Lewis,Stuart Lumsden,Steve Maddox,Darren Madgwick,William J. Sutherland,Keith Taylor +27 more
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Journal ArticleDOI
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TL;DR: In this article, the relationship between various dust obscuration measures in galaxies was explored using multiwavelength data from the Galaxy And Mass Assembly (GAMA) and Herschel ATLAS (H-ATLAS) surveys.
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TL;DR: In this paper, the evolution of the galaxy population since redshift 2 with a focus on the colour bimodality and mass density of the red sequence was investigated, and the rest-frame colour (U_280-V) of each galaxy was measured.
Journal ArticleDOI
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