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20 papers · 2 filters
Comparison of the Stellar Populations of Bulges and Discs using the MaNGA Survey
Philip Lah, Nicholas Scott, Tania M. Barone +4
We use the MaNGA integral-field spectroscopic survey of low-redshift galaxies to compare the stellar populations of the bulge and disc components, identified from their Sersic prof…
JWST's PEARLS: TN J1338-1942 -- I. Extreme jet triggered star-formation in a luminous radio galaxy
Kenneth J. Duncan, Rogier A. Windhorst, Anton M. Koekemoer +25
We present the first JWST observations of the luminous radio galaxy TN J1338-1942, obtained as part of the ``Prime Extragalactic Areas for Reionization and Lensing Science…
Galaxy and Mass Assembly (GAMA): Extended Intra-Group Light in a group at from deep Hyper-Suprime Cam images
Cristina Martinez-Lombilla, Sarah Brough, Mireia Montes +7
We present a pilot study to assess the potential of Hyper Suprime-Cam Public Data Release 2 (HSC-PDR2) images for the analysis of extended faint structures within groups of galaxie…
DEVILS: Cosmic evolution of SED-derived metallicities and their connection to star-formation histories
Jessica E. Thorne, Aaron S. G. Robotham, Sabine Bellstedt +6
Gas-phase metallicities of galaxies are typically measured through auroral or nebular emission lines, but metallicity also leaves an imprint on the overall spectral energy distribu…
Deep Investigation of Neutral Gas Origins (DINGO): HI stacking experiments with early science data
Jonghwan Rhee, Martin Meyer, Attila Popping +19
We present early science results from Deep Investigation of Neutral Gas Origins (DINGO), an HI survey using the Australian Square Kilometre Array Pathfinder (ASKAP). Using ASKAP su…
JWST's PEARLS: a new lens model for ACT-CL J01024915, "EL Gordo'', and the first red supergiant star at cosmological distances discovered by JWST
Jose M. Diego, Ashish K. Meena, Nathan J. Adams +27
The first JWST data on the massive colliding cluster El Gordo confirm 23 known families of multiply lensed images and identify 8 new members of these families. Based on these famil…
JWST's PEARLS: A JWST/NIRCam view of ALMA sources
Cheng Cheng, Jia-Sheng Huang, Ian Smail +33
We report the results of James Webb Space Telescope/NIRCam observations of 19 (sub)millimeter (submm/mm) sources detected by the Atacama Large Millimeter Array (ALMA). The accurate…
Euclid preparation. XXV. The Euclid Morphology Challenge -- Towards model-fitting photometry for billions of galaxies
Euclid Collaboration, E. Merlin, M. Castellano +218
The ESA Euclid mission will provide high-quality imaging for about 1.5 billion galaxies. A software pipeline to automatically process and analyse such a huge amount of data in real…
Webb's PEARLS: Bright 1.5--2.0 micron Dropouts in the Spitzer/IRAC Dark Field
Haojing Yan, Seth H. Cohen, Rogier A. Windhorst +35
Using the first epoch of four-band NIRCam observations obtained by the James Webb Space Telescope (JWST) Prime Extragalactic Areas for Reionization and Lensing Science Program in t…
Galaxy And Mass Assembly (GAMA): Bulge-disk decomposition of KiDS data in the nearby universe
Sarah Casura, Jochen Liske, Aaron S. G. Robotham +10
We derive single Sérsic fits and bulge-disk decompositions for 13096 galaxies at redshifts z < 0.08 in the GAMA II equatorial survey regions in the Kilo-Degree Survey (KiDS) g, r a…
FLASH Pilot Survey: Detections of associated 21 cm HI absorption in GAMA galaxies at 0.42 < z <1.00
Renzhi Su, Elaine M. Sadler, James R. Allison +12
We present the results of a search for associated 21 cm HI absorption at redshift 0.42 < z < 1.00 in radio-loud galaxies from three Galaxy And Mass Assembly (GAMA) survey fields. T…
JWST's PEARLS: dust attenuation and gravitational lensing in the backlit-galaxy system VV 191
William C. Keel, Rogier A. Windhorst, Rolf A. Jansen +28
We derive the spatial and wavelength behavior of dust attenuation in the multiple-armed spiral galaxy VV191b using backlighting by the superimposed elliptical system VV191a in a pa…
MIGHTEE-HI: Evolution of HI scaling relations of star-forming galaxies at
Francesco Sinigaglia, Giulia Rodighiero, Ed Elson +33
We present the first measurements of HI galaxy scaling relations from a blind survey at . We perform spectral stacking of 9023 spectra of star-forming galaxies undetected i…
ProFuse: Physical Multi-Band Structural Decomposition of Galaxies and the Mass-Size-Age Plane
A. S. G. Robotham, S. Bellstedt, S. P. Driver
We present the new ProFuse R package, a simultaneous spectral (ultraviolet to far infrared) and spatial structural decomposition tool that produces physical models of galaxies and…
The XXL Survey XLV. Linking the ages of optically selected groups to their X-ray emission
J. P. Crossett, S. L. McGee, T. J. Ponman +16
We investigate the properties of 232 optical spectroscopically selected groups from the Galaxy And Mass Assembly (GAMA) survey that overlap the XXL X-ray cluster survey. X-ray aper…
MeerKAT uncovers the physics of an Odd Radio Circle
Ray P. Norris, J. D. Collier, Roland M. Crocker +14
Odd Radio Circles (ORCs) are recently-discovered faint diffuse circles of radio emission, of unknown cause, surrounding galaxies at moderate redshift ($z ~ 0.2-0.6). Here we presen…
Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions
Simon P. Driver, Sabine Bellstedt, Aaron S. G. Robotham +67
In Galaxy And Mass Assembly Data Release 4 (GAMA DR4), we make available our full spectroscopic redshift sample. This includes 248682 galaxy spectra, and, in combination with earli…
Deep Extragalactic VIsible Legacy Survey (DEVILS): The emergence of bulges and decline of disk growth since
Abdolhosein Hashemizadeh, Simon P. Driver, Luke J. M. Davies +10
We present a complete structural analysis of the ellipticals (E), diffuse bulges (dB), compact bulges (cB), and disks (D) within a redshift range , and stellar mass $\lo…
The variation of the gas content of galaxy groups and pairs compared to isolated galaxies
Sambit Roychowdhury, Martin J. Meyer, Jonghwan Rhee +17
We measure how the atomic gas (HI) fraction () of groups and pairs taken as single units vary with average stellar mass ($\langle {\rm M_*} \rang…
The eROSITA Final Equatorial Depth Survey (eFEDS): X-ray emission around star-forming and quiescent galaxies at
Johan Comparat, Nhut Truong, Andrea Merloni +21
We aim at characterizing the hot phase of the Circum-Galactic Medium in a large sample of galaxies. We stack X-ray events from the SRG/eROSITA eFEDS survey around central galaxies…