Michael Goodwin
A5025996309- Astronomy and Astrophysical Research
- Galaxies: Formation, Evolution, Phenomena
- Stellar, planetary, and galactic studies
- Adaptive optics and wavefront sensing
- Astronomical Observations and Instrumentation
- Gamma-ray bursts and supernovae
- Semiconductor Lasers and Optical Devices
- Astrophysics and Star Formation Studies
- Advanced optical system design
- Astrophysical Phenomena and Observations
- Optical Wireless Communication Technologies
- Plant Water Relations and Carbon Dynamics
- History and Developments in Astronomy
- Advanced Measurement and Metrology Techniques
- Geophysics and Gravity Measurements
- Photonic and Optical Devices
- Spectroscopy and Laser Applications
- Optical Systems and Laser Technology
- Remote Sensing in Agriculture
- Tribology and Lubrication Engineering
- Modular Robots and Swarm Intelligence
- Optical Coherence Tomography Applications
- Space Exploration and Technology
- Optical measurement and interference techniques
- Teleoperation and Haptic Systems
Macquarie University
2018-2024
Australian Astronomical Observatory
2014-2024
The University of Sydney
2021-2022
University of Newcastle Australia
2021
ARC Centre of Excellence for All-sky Astrophysics
2021
ASTRO-3D
2021
Australian National University
2006-2016
Mount Stromlo Observatory
2006-2013
University of Pennsylvania
2012
Scuola Superiore Sant'Anna
2002
We demonstrate a novel technology that combines the power of multi-object spectrograph with spatial multiplex advantage an integral field (IFS). The Sydney-AAO Multi-object IFS (SAMI) is prototype wide-field system at Anglo-Australian Telescope (AAT) allows 13 imaging fibre bundles ("hexabundles") to be deployed over 1-degree diameter view. Each hexabundle comprises 61 lightly-fused multimode fibres reduced cladding and yields 75 percent filling factor. core subtends 1.6 arcseconds on sky...
The SAMI Galaxy Survey will observe 3400 galaxies with the Sydney-AAO Multi-object Integral-field spectrograph (SAMI) on Anglo-Australian Telescope (AAT) in a 3-year survey which began 2013. We present throughput of system, science basis and specifications for target selection, observation plan combined properties selected galaxies. includes four volume limited galaxy samples based cuts proxy stellar mass, along low-stellar mass dwarf all from And Mass Assembly (GAMA) survey. GAMA regions...
We demonstrate the feasibility and potential of using large integral field spectroscopic surveys to investigate prevalence galactic-scale outflows in local Universe. Using data from Sydney-AAO Multi-object Integral spectrograph (SAMI) Wide Field Spectrograph, we study nature an isolated disc galaxy, SDSS J090005.05+000446.7 (z = 0.053 86). In sets, galaxy presents skewed line profiles changing with position galaxy. The are caused by different kinematic components overlapping line-of-sight...
We investigate the relationship between stellar and gas specific angular momentum $j$, mass $M_{*}$ optical morphology for a sample of 488 galaxies extracted from SAMI Galaxy Survey. find that measured within one effective radius, monotonically increases with that, $M_{*}>$10$^{9.5}$ M$_{\odot}$, scatter in this relation strongly correlates (i.e., visual classification S\'ersic index). These findings confirm massive all types lie on plane relating mass, light distribution, suggest...
We present the Early Data Release of Sydney-AAO Multi-object Integral field spectrograph (SAMI) Galaxy Survey. The SAMI Survey is an ongoing integral spectroscopic survey ~3400 low-redshift (z<0.12) galaxies, covering galaxies in and groups within And Mass Assembly (GAMA) regions, a sample clusters. In Release, we publicly release fully calibrated datacubes for representative selection 107 drawn from GAMA along with information about these catalogues. All can be downloaded individually or as...
Recent cosmological hydrodynamical simulations suggest that integral field spectroscopy can connect the high-order stellar kinematic moments h3 (~skewness) and h4 (~kurtosis) in galaxies to their assembly history. Here, we assess these results by measuring kinematics on a sample of 315 galaxies, without morphological selection, using 2D data from SAMI Galaxy Survey. A proxy for spin parameter ($\lambda_{R_e}$) ellipticity ($\epsilon_e$) are used separate fast slow rotators; there exists good...
We present a methodology for the regularization and combination of sparse sampled irregularly gridded observations from fibre-optic multiobject integral field spectroscopy. The approach minimizes interpolation retains image resolution on combining subpixel dithered data. discuss in context Sydney–AAO spectrograph (SAMI) Galaxy Survey underway at Anglo-Australian Telescope. SAMI instrument uses 13 fibre bundles to perform high-multiplex spectroscopy across 1° diameter view. is targeting ∼3000...
We present the ∼800 star formation rate maps for Sydney-AAO Multi-object Integral field spectrograph (SAMI) Galaxy Survey based on H α emission maps, corrected dust attenuation via Balmer decrement, that are included in SAMI Public Data Release 1. mask out spaxels contaminated by non-stellar using [O iii]/H β, [N ii]/H α, [S and i]/H line ratios. Using these we examine global resolved star-forming main sequences of galaxies as a function morphology, environmental density, stellar mass....
We analyse the velocity dispersion properties of 472 z ∼ 0.9 star-forming galaxies observed as part KMOS Redshift One Spectroscopic Survey (KROSS). The majority this sample is rotationally dominated (83 ± 5 per cent with vC/σ0 > 1) but also dynamically hot and highly turbulent. After correcting for beam smearing effects, median intrinsic final σ0 = 43.2 0.8 km s−1 a rotational to ratio 2.6 0.1. To explore relationship between dispersion, stellar mass, star formation rate, redshift, we...
We describe the selection of galaxies targeted in eight low-redshift clusters (APMCC0917, A168, A4038, EDCC442, A3880, A2399, A119 and A85; 0.029 < z 0.058) as part Sydney-AAO Multi-Object Integral field spectrograph Galaxy Survey (SAMI-GS). have conducted a redshift survey these using AAOmega multi-object on 3.9-m Anglo-Australian Telescope. The is used to determine cluster membership characterize dynamical properties clusters. In combination with existing data, resulted 21 257 reliable...
We present the second major release of data from SAMI Galaxy Survey. Data Release Two includes for 1559 galaxies, about 50% full survey. Galaxies included have a redshift range 0.004 < z 0.113 and large stellar mass 7.5 log (M_star/M_sun) 11.6. The core each galaxy consist two primary spectral cubes covering blue red optical wavelength ranges. For cube we also provide three spatially binned set standardised aperture spectra. product value-added products. This all emission line products One,...
We present a detailed exploration of the stellar mass versus gas-phase metallicity relation (MZR) using integral field spectroscopy data obtained from ∼1000 galaxies observed by SAMI galaxy survey. These spatially resolved spectroscopic allow us to determine within same physical scale (Reff) for different calibrators. The shape MZ relations is very similar between calibrators, while there are large offsets in absolute values abundances. confirm our previous results derived provided CALIFA...
We take advantage of the first data from Sydney-AAO Multi-object Integral field (SAMI) Galaxy Survey to investigate relation between kinematics gas and stars, stellar mass in a comprehensive sample nearby galaxies. find that all 235 objects our sample, regardless their morphology, lie on tight linking ($M_{*}$) internal velocity quantified by $S_{0.5}$ parameter, which combines contribution both dispersion ($\sigma$) rotational ($V_{rot}$) dynamical support galaxy...
We present an analysis of the global stellar populations galaxies in SAMI (Sydney-AAO Multi-object Integral field spectrograph) Galaxy Survey. Our sample consists 1319 spanning four orders magnitude mass and includes all morphologies environments. derive luminosity-weighted, single population equivalent ages, metallicities alpha enhancements from spectra integrated within one effective radius apertures. Variations galaxy size explain majority scatter age–mass metallicity–mass relations....
We investigate a sample of 40 local, main-sequence, edge-on disc galaxies using integral field spectroscopy with the Sydney-AAO Multi-object Integral spectrograph (SAMI) Galaxy Survey to understand link between properties extraplanar gas and their host galaxies. The kinematics gas, including velocity asymmetries increased dispersion, are used differentiate hosting large-scale galactic winds from those dominated by extended diffuse ionized gas. find rather that spectrum gas-dominated wind...
The High Efficiency and Resolution Multi Element Spectrograph, HERMES, is a facility-class optical spectrograph for the Anglo-Australian Telescope (AAT). It designed primarily Galactic Archaeology, first major attempt to create detailed understanding of galaxy formation evolution by studying history our own galaxy, Milky Way. goal GALAH survey reconstruct mass assembly Way through chemical abundance study one million stars. based at AAT fed existing 2dF robotic fiber positioning system. uses...
Cosmological hydrodynamical simulations are rich tools to understand the build-up of stellar mass and angular momentum in galaxies, but require some level calibration observations. We compare predictions at $z\sim0$ from Eagle, Hydrangea, Horizon-AGN, Magneticum with integral field spectroscopic (IFS) data SAMI Galaxy Survey, ATLAS3D, CALIFA MASSIVE surveys. The main goal this work is simultaneously structural, dynamical, population measurements order identify key areas success tension. have...
ABSTRACT We present the first detection of mass-dependent galactic spin alignments with local cosmic filaments &gt;2σ confidence using IFS kinematics. The 3D network is reconstructed on Mpc scales across GAlaxy and Mass Assembly fields web extractor DisPerSe. assign field galaxies from SAMI survey to their nearest filament segment in estimate degree alignment between galaxies’ kinematic axis projection. Low-mass align while higher mass counterparts are more likely display an orthogonal...
We present the first major release of data from SAMI Galaxy Survey. This focuses on emission-line physics galaxies. Data Release One includes for 772 galaxies, about 20% full survey. Galaxies included have redshift range 0.004 < z 0.092, a large mass (7.6 log(Mstellar/M$_\odot$) 11.6), and star-formation rates 10^-4 to 10^1\ M$_\odot$/yr. For each galaxy, we include two spectral cubes set spatially resolved 2D maps: single- multi-component fits (with dust extinction corrections strong...
We examine the kinematic morphology of early-type galaxies (ETGs) in three galaxy clusters Abell 85, 168 and 2399. Using data from Sydney-AAO Multi-object Integral field spectrograph we measure spatially resolved kinematics for 79 ETGs these clusters. calculate λR, a proxy projected specific stellar angular momentum, each classify our samples as fast or slow rotators. fraction rotators ETG populations (fSR) to be 0.21 ± 0.08, 0.08 0.12 0.06 2399, respectively, with an overall 0.15 0.04....
The fraction of galaxies supported by internal rotation compared to stabilized pressure provides a strong constraint on galaxy formation models. In integral field spectroscopy surveys, this is biased because survey instruments typically only trace the inner parts most massive galaxies. We present aperture corrections for two widely used stellar kinematic quantities V/σ and λR (spin parameter proxy). Our demonstration involves data from SAMI (Sydney-AAO Multi-object Integral-field...
Abstract We examine the kinematic morphology of early-type galaxies (ETGs) in eight galaxy clusters Sydney-AAO Multi-object Integral-field spectrograph Galaxy Survey. The cover a mass range <?CDATA $14.2\,\lt \mathrm{log}({M}_{200}/{M}_{\odot })\lt 15.2$?> and we measure spatially resolved stellar kinematics for 315 member with masses $10.0\lt \mathrm{log}({M}_{* }/{M}_{\odot })\leqslant 11.7$?> within 1 R 200 cluster centers. calculate spin parameter, λ , use this to classify as fast or...
ABSTRACT We study the Fundamental Plane (FP) for a volume- and luminosity-limited sample of 560 early-type galaxies from SAMI survey. Using r-band sizes luminosities new multi-Gaussian expansion photometric measurements, treating luminosity as dependent variable, FP has coefficients = 1.294 ± 0.039, b 0.912 0.025, zero-point c 7.067 0.078. leverage high signal-to-noise ratio integral field spectroscopy, to determine how structural stellar population observables affect scatter about FP. The...
ABSTRACT Slow rotator galaxies are distinct amongst galaxy populations, with simulations suggesting that a mix of minor and major mergers responsible for their formation. A promising path to resolve outstanding questions on the type merger responsible, is by investigating deep imaging massive signs potential remnants. We utilize from Subaru-Hyper Suprime Cam Wide data search tidal features in [log10(M*/M⊙) &gt; 10] early-type (ETGs) SAMI Galaxy Survey. perform visual check images where...