Related papers: GEMS: Galaxy fitting catalogues and testing parame…

MegaMorph -- multi-wavelength measurement of galaxy structure: physically meaningful bulge-disc decomposition of galaxies near and far

Bulge-disc decomposition is a valuable tool for understanding galaxies. However, achieving robust measurements of component properties is difficult, even with high quality imaging, and it becomes even more so with the imaging typical of…

Astrophysics of Galaxies · Physics 2015-06-22 Marina Vika , Steven P. Bamford , Boris Häußler , Alex L. Rojas

Galaxy And Mass Assembly (GAMA): Galaxy close-pairs, mergers, and the future fate of stellar mass

We use a highly complete subset of the GAMA-II redshift sample to fully describe the stellar mass dependence of close-pairs and mergers between 10^8 Msun and 10^12 Msun. Using the analytic form of this fit we investigate the total stellar…

Astrophysics of Galaxies · Physics 2015-06-22 A. S. G. Robotham , S. P. Driver , L. J. M. Davies , A. M. Hopkins , I. K. Baldry , N. K. Agius , A. E. Bauer , J. Bland-Hawthorn , S. Brough , M. J. I. Brown , M. Cluver , R. De Propris , M. J. Drinkwater , B. W. Holwerda , L. S. Kelvin , M. A. Lara-Lopez , J. Liske , A. R. Lopez-Sanchez , J. Loveday , S. Mahajan , T. McNaught-Roberts , A. Moffett , P. Norberg , D. Obreschkow , M. S. Owers , S. J. Penny , K. Pimbblet , M. Prescott , E. N. Taylor , E. van Kampen , S. M. Wilkins

First SUSY results with GAMBIT

Based on arXiv:1705.07935 and arXiv:1705.07917, we present the first global fits of supersymmetric models using the new Global And Modular Beyond-the-Standard-Model Inference Tool (GAMBIT). With GAMBIT we have performed frequentist fits of…

High Energy Physics - Phenomenology · Physics 2020-08-27 Anders Kvellestad

Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph

We investigate the relationship between colour and structure within galaxies using a large, volume-limited sample of bright, low-redshift galaxies with optical to near-infrared imaging from the GAMA survey. We fit single-component,…

Astrophysics of Galaxies · Physics 2015-06-19 Benedetta Vulcani , Steven P. Bamford , Boris Häußler , Marina Vika , Alex Rojas , Nicola K. Agius , Ivan Baldry , Amanda E. Bauer , Michael J. I. Brown , Simon Driver , Alister W. Graham , Lee S. Kelvin , Jochen Liske , Jon Loveday , Cristina C. Popescu , Aaron S. G. Robotham , Richard J. Tuffs

Full-sky ray-tracing simulation of weak lensing using ELUCID simulations: exploring galaxy intrinsic alignment and cosmic shear correlations

The intrinsic alignment of galaxies is an important systematic effect in weak-lensing surveys, which can affect the derived cosmological parameters. One direct way to distinguish different alignment models and quantify their effects on the…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-17 Chengliang Wei , Guoliang Li , Xi Kang , Yu Luo , Qianli Xia , Peng Wang , Xiaohu Yang , Huiyuan Wang , Yipeng Jing , Houjun Mo , Weipeng Lin , Yang Wang , Shijie Li , Yi Lu , Youcai Zhang , S. H. Lim , Dylan Tweed , Weiguang Cui

Galaxy bias from the Dark Energy Survey Science Verification data: combining galaxy density maps and weak lensing maps

We measure the redshift evolution of galaxy bias for a magnitude-limited galaxy sample by combining the galaxy density maps and weak lensing shear maps for a $\sim$116 deg$^{2}$ area of the Dark Energy Survey (DES) Science Verification…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-01 C. Chang , A. Pujol , E. Gaztanaga , A. Amara , A. Refregier , D. Bacon , M. R. Becker , C. Bonnett , J. Carretero , F. J. Castander , M. Crocce , P. Fosalba , T. Giannantonio , W. Hartley , M. Jarvis , T. Kacprzak , A. J. Ross , E. Sheldon , M. A. Troxel , V. Vikram , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , A. Benoit-Levy , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , D. Capozzi , A. Carnero Rosell , M. Carrasco Kind , C. E. Cunha , C. B. D'Andrea , L. N. da Costa , S. Desai , H. T. Diehl , J. P. Dietrich , P. Doel , T. F. Eifler , J. Estrada , A. E. Evrard , B. Flaugher , J. Frieman , D. A. Goldstein , D. Gruen , R. A. Gruendl , G. Gutierrez , K. Honscheid , B. Jain , D. J. James , K. Kuehn , N. Kuropatkin , O. Lahav , T. S. Li , M. Lima , J. L. Marshall , P. Martini , P. Melchior , C. J. Miller , R. Miquel , J. J. Mohr , R. C. Nichol , B. Nord , R. Ogando , A. A. Plazas , K. Reil , A. K. Romer , A. Roodman , E. S. Rykoff , E. Sanchez , V. Scarpine , M. Schubnell , I. Sevilla-Noarbe , R. C. Smith , M. Soares-Santos , F. Sobreira , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , A. R. Walker

Fast, Accurate and Perturbative Forward Modeling of Galaxy Clustering Part II: Redshift Space

Forward modeling the galaxy density within the Effective Field Theory of Large Scale Structure (EFT of LSS) enables field-level analyses that are robust to theoretical uncertainties. At the same time, they can maximize the constraining…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-08 Julia Stadler , Fabian Schmidt , Martin Reinecke , Matteo Esposito

A Detailed Study of Photometric Redshifts for GOODS-South Galaxies

We use the deepest and the most comprehensive photometric data currently available for GOODS-South galaxies to measure their photometric redshifts. The photometry includes VLT/VIMOS (U-band), HST/ACS (F435W, F606W, F775W, and F850LP bands),…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Tomas Dahlen , Bahram Mobasher , Mark Dickinson , Henry C. Ferguson , Mauro Giavalisco , Norman A. Grogin , Yicheng Guo , Anton Koekemoer , Kyoung-Soo Lee , Seong-Kook Lee , Mario Nonino , Adam G. Riess , Sara Salimbeni

Euclid preparation: XII. Optimizing the photometric sample of the Euclid survey for galaxy clustering and galaxy-galaxy lensing analyses

The accuracy of photometric redshifts (photo-zs) particularly affects the results of the analyses of galaxy clustering with photometrically-selected galaxies (GCph) and weak lensing. In the next decade, space missions like Euclid will…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-17 Euclid Collaboration , A. Pocino , I. Tutusaus , F. J. Castander , P. Fosalba , M. Crocce , A. Porredon , S. Camera , V. Cardone , S. Casas , T. Kitching , F. Lacasa , M. Martinelli , A. Pourtsidou , Z. Sakr , S. Andreon , N. Auricchio , C. Baccigalupi , A. Balaguera-Antolínez , M. Baldi , A. Balestra , S. Bardelli , R. Bender , A. Biviano , C. Bodendorf , D. Bonino , A. Boucaud , E. Bozzo , E. Branchini , M. Brescia , J. Brinchmann , C. Burigana , R. Cabanac , V. Capobianco , A. Cappi , C. S. Carvalho , M. Castellano , G. Castignani , S. Cavuoti , A. Cimatti , R. Cledassou , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , L. Corcione , A. Costille , J. Coupon , H. M. Courtois , M. Cropper , J. -G. Cuby , A. Da Silva , S. de la Torre , D. Di Ferdinando , F. Dubath , C. Duncan , X. Dupac , S. Dusini , S. Farrens , P. G. Ferreira , I. Ferrero , F. Finelli , S. Fotopoulou , M. Frailis , E. Franceschi , S. Galeotta , B. Garilli , W. Gillard , B. Gillis , C. Giocoli , G. Gozaliasl , J. Graciá-Carpio , F. Grupp , L. Guzzo , W. Holmes , F. Hormuth , K. Jahnke , E. Keihanen , S. Kermiche , A. Kiessling , C. C. Kirkpatrick , M. Kunz , H. Kurki-Suonio , S. Ligori , P. B. Lilje , I. Lloro , D. Maino , E. Maiorano , O. Mansutti , O. Marggraf , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , E. Medinaceli , S. Mei , M. Meneghetti , R. Benton Metcalf , G. Meylan , M. Moresco , B. Morin , L. Moscardini , E. Munari , R. Nakajima , C. Neissner , R. C. Nichol , S. Niemi , J. Nightingale , C. Padilla , S. Paltani , F. Pasian , L. Patrizii , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. Popa , D. Potter , L. Pozzetti , F. Raison , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , A. G. Sánchez , D. Sapone , R. Scaramella , P. Schneider , V. Scottez , A. Secroun , G. Seidel , S. Serrano , C. Sirignano , G. Sirri , L. Stanco , F. Sureau , A. N. Taylor , M. Tenti , I. Tereno , R. Teyssier , R. Toledo-Moreo , A. Tramacere , E. A. Valentijn , L. Valenziano , J. Valiviita , T. Vassallo , M. Viel , Y. Wang , N. Welikala , L. Whittaker , A. Zacchei , G. Zamorani , J. Zoubian , E. Zucca

Fitting the integrated Spectral Energy Distributions of Galaxies

Fitting the spectral energy distributions (SEDs) of galaxies is an almost universally used technique that has matured significantly in the last decade. Model predictions and fitting procedures have improved significantly over this time,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 C. J. Walcher , B. Groves , T. Budavari , D. Dale

An Optimal Strategy for Accurate Bulge-to-disk Decomposition of Disk Galaxies

The development of two-dimensional (2D) bulge-to-disk decomposition techniques has shown their advantages over traditional one-dimensional (1D) techniques, especially for galaxies with non-axisymmetric features. However, the full potential…

Astrophysics of Galaxies · Physics 2017-10-27 Hua Gao , Luis C. Ho

The Effects of Galaxy Assembly Bias on the Inference of Growth Rate from Redshift-Space Distortions

The large-scale redshift-space distortion (RSD) in galaxy clustering can probe $f\sigma_8$, a combination of the cosmic structure growth rate and the matter fluctuation amplitude, which can constrain dark energy models and test theories of…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-13 Kevin Spencer McCarthy , Zheng Zheng , Hong Guo

Euclid Quick Data Release (Q1). Exploring galaxy morphology across cosmic time through Sersic fits

We present the results of the single-component S\'ersic profile fitting for the magnitude-limited sample of \IE$<23$ galaxies within the 63.1 deg$^2$ area of the Euclid Quick Data Release (Q1). The associated morphological catalogue…

Astrophysics of Galaxies · Physics 2025-09-03 Euclid Collaboration , L. Quilley , I. Damjanov , V. de Lapparent , A. Paulino-Afonso , H. Domínguez Sánchez , A. Ferré-Mateu , M. Huertas-Company , M. Kümmel , D. Delley , C. Spiniello , M. Baes , L. Wang , U. Kuchner , F. Tarsitano , R. Ragusa , M. Siudek , C. Tortora , N. Aghanim , B. Altieri , A. Amara , S. Andreon , N. Auricchio , H. Aussel , C. Baccigalupi , M. Baldi , A. Balestra , S. Bardelli , P. Battaglia , R. Bender , A. Biviano , A. Bonchi , D. Bonino , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , G. Cañas-Herrera , V. Capobianco , C. Carbone , J. Carretero , S. Casas , F. J. Castander , M. Castellano , G. Castignani , S. Cavuoti , K. C. Chambers , A. Cimatti , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , A. Costille , F. Courbin , H. M. Courtois , M. Cropper , A. Da Silva , H. Degaudenzi , G. De Lucia , A. M. Di Giorgio , C. Dolding , H. Dole , C. A. J. Duncan , X. Dupac , S. Dusini , S. Escoffier , M. Fabricius , M. Farina , R. Farinelli , F. Faustini , S. Ferriol , P. Fosalba , S. Fotopoulou , M. Frailis , E. Franceschi , S. Galeotta , K. George , B. Gillis , C. Giocoli , J. Gracia-Carpio , B. R. Granett , A. Grazian , F. Grupp , S. V. H. Haugan , H. Hoekstra , W. Holmes , I. M. Hook , F. Hormuth , A. Hornstrup , P. Hudelot , K. Jahnke , M. Jhabvala , B. Joachimi , E. Keihänen , S. Kermiche , A. Kiessling , B. Kubik , M. Kunz , H. Kurki-Suonio , Q. Le Boulc'h , A. M. C. Le Brun , D. Le Mignant , P. Liebing , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , G. Mainetti , D. Maino , E. Maiorano , O. Mansutti , S. Marcin , O. Marggraf , M. Martinelli , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , H. J. McCracken , E. Medinaceli , S. Mei , M. Melchior , Y. Mellier , M. Meneghetti , E. Merlin , G. Meylan , A. Mora , M. Moresco , L. Moscardini , R. Nakajima , C. Neissner , S. -M. Niemi , J. W. Nightingale , C. Padilla , S. Paltani , F. Pasian , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , A. Renzi , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , R. Saglia , Z. Sakr , A. G. Sánchez , D. Sapone , B. Sartoris , J. A. Schewtschenko , P. Schneider , M. Scodeggio , A. Secroun , G. Seidel , M. Seiffert , S. Serrano , P. Simon , C. Sirignano , G. Sirri , L. Stanco , J. Steinwagner , P. Tallada-Crespí , A. N. Taylor , H. I. Teplitz , I. Tereno , N. Tessore , S. Toft , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , L. Valenziano , J. Valiviita , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , Y. Wang , J. Weller , A. Zacchei , G. Zamorani , F. M. Zerbi , I. A. Zinchenko , E. Zucca , V. Allevato , M. Ballardini , M. Bolzonella , E. Bozzo , C. Burigana , R. Cabanac , A. Cappi , D. Di Ferdinando , J. A. Escartin Vigo , L. Gabarra , W. G. Hartley , J. Martín-Fleitas , S. Matthew , N. Mauri , R. B. Metcalf , A. Pezzotta , M. Pöntinen , C. Porciani , I. Risso , V. Scottez , M. Sereno , M. Tenti , M. Viel , M. Wiesmann , Y. Akrami , I. T. Andika , S. Anselmi , M. Archidiacono , F. Atrio-Barandela , C. Benoist , K. Benson , D. Bertacca , M. Bethermin , L. Bisigello , A. Blanchard , L. Blot , S. Borgani , M. L. Brown , S. Bruton , F. Buitrago , A. Calabro , B. Camacho Quevedo , F. Caro , C. S. Carvalho , T. Castro , Y. Charles , F. Cogato , T. Contini , A. R. Cooray , O. Cucciati , S. Davini , F. De Paolis , G. Desprez , A. Díaz-Sánchez , J. J. Diaz , S. Di Domizio , J. M. Diego , P. -A. Duc , A. Enia , Y. Fang , A. G. Ferrari , P. G. Ferreira , A. Finoguenov , A. Franco , K. Ganga , J. García-Bellido , T. Gasparetto , V. Gautard , R. Gavazzi , E. Gaztanaga , F. Giacomini , G. Gozaliasl , M. Guidi , C. M. Gutierrez , A. Hall , C. Hernández-Monteagudo , H. Hildebrandt , J. Hjorth , O. Ilbert , J. J. E. Kajava , Y. Kang , V. Kansal , D. Karagiannis , K. Kiiveri , C. C. Kirkpatrick , S. Kruk , L. Legrand , M. Lembo , F. Lepori , G. Leroy , G. F. Lesci , J. Lesgourgues , L. Leuzzi , T. I. Liaudat , A. Loureiro , J. Macias-Perez , G. Maggio , M. Magliocchetti , E. A. Magnier , C. Mancini , F. Mannucci , R. Maoli , C. J. A. P. Martins , L. Maurin , M. Miluzio , P. Monaco , C. Moretti , G. Morgante , K. Naidoo , A. Navarro-Alsina , S. Nesseris , F. Passalacqua , K. Paterson , L. Patrizii , A. Pisani , D. Potter , S. Quai , M. Radovich , P. -F. Rocci , S. Sacquegna , M. Sahlén , D. B. Sanders , E. Sarpa , C. Scarlata , J. Schaye , A. Schneider , D. Sciotti , E. Sellentin , F. Shankar , L. C. Smith , S. A. Stanford , K. Tanidis , G. Testera , R. Teyssier , S. Tosi , A. Troja , M. Tucci , C. Valieri , A. Venhola , D. Vergani , G. Verza , P. Vielzeuf , N. A. Walton , J. G. Sorce , E. Soubrie , D. Scott

The NIKA2 cosmological legacy survey at 2 mm: catalogs, colors, redshift distributions, and implications for deep surveys

Millimeter galaxy surveys are particularly effective in detecting dusty star-forming galaxies at high redshift. While such observations are typically conducted at ~1mm, some studies suggest that 2mm may be better suited for selecting…

Astrophysics of Galaxies · Physics 2026-04-22 M. Béthermin , G. Lagache , C. Carvajal-Bohorquez , R. Adam , P. Ade , H. Ajeddig , S. Amarantidis , P. André , H. Aussel , A. Beelen , A. Benoît , S. Berta , L. J. Bing , A. Bongiovanni , J. Bounmy , O. Bourrion , M. Calvo , A. Catalano , D. Chérouvrier , M. De Petris , F. -X. Désert , S. Doyle , E. F. C. Driessen , G. Ejlali , A. Ferragamo , A. Gomez , J. Goupy , C. Hanser , S. Katsioli , F. Kéruzoré , C. Kramer , B. Ladjelate , S. Leclercq , J. -F. Lestrade , J. F. Macías-Pérez , S. C. Madden , A. Maury , F. Mayet , A. Monfardini , A. Moyer-Anin , M. Muñoz-Echeverría , I. Myserlis , A. Paliwal , L. Perotto , G. Pisano , N. Ponthieu , V. Revéret , A. J. Rigby , A. Ritacco , H. Roussel , F. Ruppin , M. Sánchez-Portal , S. Savorgnano , K. Schuster , A. Sievers , C. Tucker , R. Zylka

Kinematic Modelling of Disc Galaxies using Graphics Processing Units

With large-scale Integral Field Spectroscopy (IFS) surveys of thousands of galaxies currently under-way or planned, the astronomical community is in need of methods, techniques and tools that will allow the analysis of huge amounts of data.…

Instrumentation and Methods for Astrophysics · Physics 2015-12-22 Georgios Bekiaris , Karl Glazebrook , Christopher J. Fluke , Roberto Abraham

Optimizing galaxy samples for clustering measurements in photometric surveys

When analyzing galaxy clustering in multi-band imaging surveys, there is a trade-off between selecting the largest galaxy samples (to minimize the shot noise) and selecting samples with the best photometric redshift (photo-z) precision,…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-07 Dimitrios Tanoglidis , Chihway Chang , Joshua Frieman

KiDS+2dFLenS+GAMA: Testing the cosmological model with the $E_{\rm G}$ statistic

We present a new measurement of $E_{\rm G}$, which combines measurements of weak gravitational lensing, real-space galaxy clustering and redshift space distortions. This statistic was proposed as a consistency test of General Relativity…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-26 A. Amon , C. Blake , C. Heymans , C. D. Leonard , M. Asgari , M. Bilicki , A. Choi , T. Erben , K. Glazebrook , J. Harnois-Deraps , H. Hildebrandt , H. Hoekstra , B. Joachimi , S. Joudaki , K. Kuijken , C. Lidman , J. Loveday , D. Parkinson , E. A. Valentijn , C. Wolf

Calibrating Photometric Redshifts of Luminous Red Galaxies

We discuss the construction of a photometric redshift catalogue of Luminous Red Galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing such a catalogue -- (i) photometrically…

Astrophysics · Physics 2008-11-26 Nikhil Padmanabhan , Tamas Budavari , David J. Schlegel , Terry Bridges , Jonathan Brinkmann , Russell Cannon , Andrew J. Connolly , Scott M. Croom , Istvan Csabai , Michael Drinkwater , Daniel J. Eisenstein , Paul C. Hewett , Jon Loveday , Robert C. Nichol , Kevin A. Pimbblet , Roberto De Propris , Donald P. Schneider , Ryan Scranton , Uros Seljak , Tom Shanks , Istvan Szapudi , Alexander S. Szalay , David Wake

Automated Kinematic Modelling of Warped Galaxy Discs in Large Hi Surveys: 3D Tilted Ring Fitting of HI Emission Cubes

Kinematical parameterisations of disc galaxies, employing emission line observations, are indispensable tools for studying the formation and evolution of galaxies. Future large-scale HI surveys will resolve the discs of many thousands of…

Astrophysics of Galaxies · Physics 2015-08-06 P. Kamphuis , G. I. G. Józsa , S-. H. Oh , K. Spekkens , N. Urbancic , P. Serra , B. S. Koribalski , R. -J. Dettmar

The Redshifts from 122 Bands: Comparative Redshift Forecast for Low-Resolution Spectra from SPHEREx and 7-Dimensional Sky Survey (7DS)

The recently initiated SPHEREx and 7DS surveys will deliver low-resolution spectra ($R\approx 30-130$) for hundreds of millions of galaxies over the optical to near-infrared range ($0.4-5.0\mu m$), covering a wide sky area without sample…

Astrophysics of Galaxies · Physics 2026-02-25 Jangho Bae , Bomee Lee , Myungshin Im , Hyeonguk Bahk , Kim Dachan , Ho Seong Hwang , Sungryong Hong , Suk Kim , Minjin Kim , Taewan Kim , Jeyeon Lee , Jubee Sohn , Hyunmi Song , Seo-Won Chang , Yun-Ting Cheng , Andreas L. Faisst , Zhaoyu Huai , Woong-Seob Jeong , Ji Hoon Kim , Dohyeong Kim , Yongjung Kim , Seong-Kook Lee , Daniel C. Masters , Eunhee Ko