Related papers: CANDELS Multiwavelength Catalogs: Source Identific…

CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS COSMOS Survey Field

We present a multi-wavelength photometric catalog in the COSMOS field as part of the observations by the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS). The catalog is based on Hubble Space Telescope Wide Field…

Astrophysics of Galaxies · Physics 2017-01-18 H. Nayyeri , S. Hemmati , B. Mobasher , H. C. Ferguson , A. Cooray , G. Barro , S. M. Faber , M. Dickinson , A. M. Koekemoer , M. Peth , M. Salvato , M. L. N. Ashby , B. Darvish , J. Donley , M. Durbin , S. Finkelstein , A. Fontana , N. A. Grogin , R. Gruetzbauch , K. Huang , A. A. Khostovan , D. Kocevski , D. Kodra , B. Lee , J. Newman , C. Pacifici , J. Pforr , M. Stefanon , T. Wiklind , S. P. Willner , S. Wuyts , M. Castellano , C. Conselice , T. Dolch , J. S. Dunlop , A. Galametz , N. P. Hathi , R. A. Lucas , H. Yan

CANDELS Multi-wavelength Catalogs: Source Detection and Photometry in the GOODS-South Field

We present a UV-to-mid infrared multi-wavelength catalog in the CANDELS/GOODS-S field, combining the newly obtained CANDELS HST/WFC3 F105W, F125W, and F160W data with existing public data. The catalog is based on source detection in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Yicheng Guo , Henry C. Ferguson , Mauro Giavalisco , Guillermo Barro , S. P. Willner , Matthew L. N. Ashby , Tomas Dahlen , Jennifer L. Donley , Sandra M. Faber , Adriano Fontana , Audrey Galametz , Andrea Grazian , Kuang-Han Huang , Dale D. Kocevski , Anton M. Koekemoer , David C. Koo , Elizabeth J. McGrath , Michael Peth , Mara Salvato , Stijn Wuyts , Marco Castellano , Asantha R. Cooray , Mark E. Dickinson , James S. Dunlop , G. G. Fazio , Jonathan P. Gardner , Eric Gawiser , Norman A. Grogin , Nimish P. Hathi , Li-Ting Hsu , Kyoung-Soo Lee , Ray A. Lucas , Bahram Mobasher , Kirpal Nandra , Jeffery A. Newman , Arjen van der Wel

The CANDELS/SHARDS multi-wavelength catalog in GOODS-N: Photometry, Photometric Redshifts, Stellar Masses, Emission line fluxes and Star Formation Rates

We present a WFC3 F160W ($H$-band) selected catalog in the CANDELS/GOODS-N field containing photometry from the ultraviolet (UV) to the far-infrared (IR), photometric redshifts and stellar parameters derived from the analysis of the…

Astrophysics of Galaxies · Physics 2019-08-05 Guillermo Barro , Pablo G. Perez-Gonzalez , Antonio Cava , Gabriel Brammer , Viraj Pandya , Carmen Eliche Moral , Pilar Esquej , Helena Dominguez-Sanchez , Belen Alcalde Pampliega , Yicheng Guo , Anton M. Koekemoer , Jonathan R. Trump , Matthew L. N. Ashby , Nicolas Cardiel , Marco Castellano , Christopher J. Conselice , Mark E. Dickinson , Timothy Dolch , Jennifer L. Donley , Nestor Espino Briones , Sandra M. Faber , Giovanni G. Fazio , Henry Ferguson , Steve Finkelstein , Adriano Fontana , Audrey Galametz , Jonathan P. Gardner , Eric Gawiser , Mauro Giavalisco , Andrea Grazian , Norman A. Grogin , Nimish P. Hathi , Shoubaneh Hemmati , Antonio Hernan-Caballero , Dale Kocevski , David C. Koo , Dritan Kodra , Kyoung-Soo Lee , Lihwai Lin , Ray A. Lucas , Bahram Mobasher , Elizabeth J. McGrath , Kirpal Nandra , Hooshang Nayyeri , Jeffrey A. Newman , Janine Pforr , Michael Peth , Marc Rafelski , Lucia Rodriguez-Munoz , Mara Salvato , Mauro Stefanon , Arjen van der Wel , Steven P. Willner , Tommy Wiklind , Stijn Wuyts

CANDELS Multiwavelength catalogs: Source Identification and Photometry in the CANDELS UKIDSS Ultra-Deep Survey Field

We present the multiwavelength - ultraviolet to mid-infrared - catalog of the UKIDSS Ultra-Deep Survey (UDS) field observed as part of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS). Based on publicly available…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-13 Audrey Galametz , Andrea Grazian , Adriano Fontana , Henry C. Ferguson , M. L. N. Ashby , Guillermo Barro , Marco Castellano , Tomas Dahlen , Jennifer L. Donley , Sandy M. Faber , Norman Grogin , Yicheng Guo , Kuang-Han Huang , Dale D. Kocevski , Anton M. Koekemoer , Kyoung-Soo Lee , Elizabeth J. McGrath , Michael Peth , S. P. Willner , Omar Almaini , Michael Cooper , Asantha Roshan Cooray , Christopher J. Conselice , Mark Dickinson , James S. Dunlop , G. G. Fazio , Sebastien Foucaud , Jonathan P. Gardner , Mauro Giavalisco , N. P. Hathi , Will G. Hartley , David C. Koo , Kamson Lai , Duilia F. de Mello , Ross J. McLure , Ray A. Lucas , Diego Paris , Laura Pentericci , Paola Santini , Chris Simpson , Veronica Sommariva , Thomas Targett , Benjamin J. Weiner , Stijn Wuyts , the CANDELS team

3D-HST WFC3-selected Photometric Catalogs in the Five CANDELS/3D-HST Fields: Photometry, Photometric Redshifts and Stellar Masses

The 3D-HST and CANDELS programs have provided WFC3 and ACS spectroscopy and photometry over ~900 square arcminutes in five fields: AEGIS, COSMOS, GOODS-North, GOODS-South, and the UKIDSS UDS field. All these fields have a wealth of publicly…

Astrophysics of Galaxies · Physics 2015-06-19 Rosalind E. Skelton , Katherine E. Whitaker , Ivelina G. Momcheva , Gabriel B. Brammer , Pieter G. van Dokkum , Ivo Labbe , Marijn Franx , Arjen van der Wel , Rachel Bezanson , Elisabete Da Cunha , Mattia Fumagalli , Natascha Foerster Schreiber , Mariska Kriek , Joel Leja , Britt F. Lundgren , Daniel Magee , Danilo Marchesini , Michael V. Maseda , Erica J. Nelson , Pascal Oesch , Camilla Pacifici , Shannon G. Patel , Sedona Price , Hans-Walter Rix , Tomer Tal , David A. Wake , Stijn Wuyts

The 3D-HST Survey: Hubble Space Telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for $\sim 100,000$ galaxies

We present reduced data and data products from the 3D-HST survey, a 248-orbit HST Treasury program. The survey obtained WFC3 G141 grism spectroscopy in four of the five CANDELS fields: AEGIS, COSMOS, GOODS-S, and UDS, along with WFC3…

Astrophysics of Galaxies · Physics 2016-08-17 Ivelina G. Momcheva , Gabriel B. Brammer , Pieter G. van Dokkum , Rosalind E. Skelton , Katherine E. Whitaker , Erica J. Nelson , Mattia Fumagalli , Michael V. Maseda , Joel Leja , Marijn Franx , Hans-Walter Rix , Rachel Bezanson , Elisabete Da Cunha , Claire Dickey , Natascha M. Förster Schreiber , Garth Illingworth , Mariska Kriek , Ivo Labbé , Johannes Ulf Lange , Britt F. Lundgren , Daniel Magee , Danilo Marchesini , Pascal Oesch , Camilla Pacifici , Shannon G. Patel , Sedona Price , Tomer Tal , David A. Wake , Arjen van der Wel , Stijn Wuyts

The All-wavelength Extended Groth Strip International Survey (AEGIS) Data Sets

In this the first of a series of Letters, we present a description of the panchromatic data sets that have been acquired in the Extended Groth Strip region of the sky. Our survey, the All-wavelength Extended Groth strip International Survey…

Astrophysics · Physics 2009-08-07 M. Davis , P. Guhathakurta , N. Konidaris , J. A. Newman , M. L. N. Ashby , A. D. Biggs , P. Barmby , K. Bundy , S. Chapman , A. L. Coil , C. Conselice , M. Cooper , D. Croton , P. Eisenhardt , R. Ellis , S. Faber , T. Fang , G. G. Fazio , A. Georgakakis , B. Gerke , W. M. Goss , S. Gwyn , J. Harker , A. Hopkins , J. -S. Huang , R. J. Ivison , S. A. Kassin , E. Kirby , A. Koekemoer , D. C. Koo , E. Laird , E. Le Floc'h , L. Lin , J. Lotz , P. J. Marshall , D. C. Martin , A. Metevier , L. A. Moustakas , K. Nandra , K. Noeske , C. Papovich , A. C. Phillips , R. M. Rich , G. H. Rieke , D. Rigopoulou , S. Salim , D. Schiminovich , L. Simard , I. Smail , T. A. Small , B. Weiner , C. N. A. Willmer , S. P. Willner , G. Wilson , E. Wright , R. Yan

The ASTRODEEP-GS43 catalogue: new photometry and redshifts for the CANDELS GOODS-South field

We present ASTRODEEP-GS43, a new multiwavelength photometric catalogue of the GOODS-South field, which builds and improves upon the previously released CANDELS catalogue. We provide photometric fluxes and corresponding uncertainties in 43…

Astrophysics of Galaxies · Physics 2021-05-05 E. Merlin , M. Castellano , P. Santini , G. Cipolletta , K. Boutsia , C. Schreiber , F. Buitrago , A. Fontana , D. Elbaz , J. Dunlop , A. Grazian , R. McLure , D. McLeod , M. Nonino , B. Milvang-Jensen , S. Derriere , N. P. Hathi , L. Pentericci , F. Fortuni , A. Calabrò

CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey - The Hubble Space Telescope Observations, Imaging Data Products and Mosaics

This paper describes the Hubble Space Telescope imaging data products and data reduction procedures for the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). This survey is designed to document the evolution of galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Anton M. Koekemoer , S. M. Faber , Henry C. Ferguson , Norman A. Grogin , Dale D. Kocevski , David C. Koo , Kamson Lai , Jennifer M. Lotz , Ray A. Lucas , Elizabeth J. McGrath , Sara Ogaz , Abhijith Rajan , Adam G. Riess , Steve A. Rodney , Louis Strolger , Stefano Casertano , Marco Castellano , Tomas Dahlen , Mark Dickinson , Timothy Dolch , Adriano Fontana , Mauro Giavalisco , Andrea Grazian , Yicheng Guo , Nimish P. Hathi , Kuang-Han Huang , Arjen van der Wel , Hao-Jing Yan , Viviana Acquaviva , David M. Alexander Omar Almaini , Matthew L. N. Ashby , Marco Barden , Eric F. Bell , Frédéric Bournaud , Thomas M. Brown , Karina I. Caputi , Paolo Cassata , Peter Challis , Ranga-Ram Chary , Edmond Cheung , Michele Cirasuolo , Christopher J. Conselice , Asantha Roshan Cooray , Darren J. Croton , Emanuele Daddi , Romeel Davé , Duilia F. de Mello , Loic de Ravel , Avishai Dekel , Jennifer L. Donley , James S. Dunlop , Aaron A. Dutton , David Elbaz , Giovanni G. Fazio , Alex V. Filippenko , Steven L. Finkelstein , Chris Frazer , Jonathan P. Gardner , Peter M. Garnavich , Eric Gawiser , Ruth Gruetzbauch , Will G. Hartley , Boris Häussler , Jessica Herrington , Philip F. Hopkins , Jia-Sheng Huang , Saurabh Jha , Andrew Johnson , Jeyhan S. Kartaltepe , Ali Ahmad Khostovan , Robert P. Kirshner , Caterina Lani , Kyoung-Soo Lee , Weidong Li , Piero Madau , Patrick J. McCarthy , Daniel H. McIntosh , Ross J. McLure , Conor McPartland , Bahram Mobasher , Heidi Moreira , Alice Mortlock , Leonidas A. Moustakas , Mark Mozena , Kirpal Nandra , Jeffrey A. Newman , Jennifer L. Nielsen , Sami Niemi , Kai G. Noeske , Casey J. Papovich , Laura Pentericci , Alexandra Pope , Joel R. Primack , Swara Ravindranath , Naveen A. Reddy , Alvio Renzini , Hans-Walter Rix , Aday R. Robaina , David J. Rosario , Piero Rosati , Sara Salimbeni , Claudia Scarlata , Brian Siana , Luc Simard , Joseph Smidt , Diana Snyder , Rachel S. Somerville , Hyron Spinrad , Amber N. Straughn , Olivia Telford , Harry I. Teplitz , Jonathan R. Trump , Carlos Vargas , Carolin Villforth , Cory R. Wagner , Pat Wandro , Risa H. Wechsler , Benjamin J. Weiner , Tommy Wiklind , Vivienne Wild , Grant Wilson , Stijn Wuyts , Min S. Yun

The ASTRODEEP Frontier Fields Catalogues: I - Multiwavelength photometry of Abell-2744 and MACS-J0416

We present multiwavelength photometric catalogues (HST, Spitzer and Hawk-I K band) for the first two of the Frontier Fields, Abell2744 and MACSJ0416 (plus their parallel fields). To detect faint sources even in the central regions of the…

Astrophysics of Galaxies · Physics 2016-05-04 E. Merlin , R. Amorìn , M. Castellano , A. Fontana , F. Buitrago , J. S. Dunlop , D. Elbaz , A. Boucaud , N. Bourne , K. Boutsia , G. Brammer , V. A. Bruce , P. Capak , N. Cappelluti , L. Ciesla , A. Comastri , F. Cullen , S. Derriere , S. M. Faber , H. C. Ferguson , E. Giallongo , A. Grazian , J. Lotz , M. Michałowski , D. Paris , L. Pentericci , S. Pilo , P. Santini , C. Schreiber , X. Shu , T. Wang

Self-consistent Combined HST, K-band, and Spitzer Photometric Catalogs of the BUFFALO Survey Fields

This manuscript presents new astronomical source catalogs using data from the BUFFALO Survey. These catalogs contain detailed information for over 100,000 astronomical sources in the 6 BUFFALO clusters: Abell 370, Abell 2744, Abell S1063,…

Astrophysics of Galaxies · Physics 2023-07-11 Amanda Pagul , F. Javier Sánchez , Iary Davidzon , Anton M. Koekemoer , Hakim Atek , Renyue Cen , Lukas J. Furtak , Mathilde Jauzac , Guillaume Mahler , Bahram Mobasher , Mireia Montes , Mario Nonino , Keren Sharon , Charles L. Steinhardt , John R. Weaver

The DEEP Groth Strip Survey II. Hubble Space Telescope Structural Parameters of Galaxies in the Groth Strip

The quantitative morphological classification of distant galaxies is essential to the understanding of the evolution of galaxies over the history of the Universe. This paper presents Hubble Space Telescope WFPC2 F606W and F814W photometric…

Astrophysics · Physics 2009-11-07 Luc Simard , Christopher N. A. Willmer , Nicole P. Vogt , Vicki L. Sarajedini , Andrew C. Phillips , Benjamin J. Weiner , David C. Koo , Myungshin Im , Garth D. Illingworth , S. M. Faber

CANDELS: The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey

The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS) is designed to document the first third of galactic evolution, over the approximate redshift (z) range 8--1.5. It will image >250,000 distant galaxies using three…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Norman A. Grogin , Dale D. Kocevski , S. M. Faber , Henry C. Ferguson , Anton M. Koekemoer , Adam G. Riess , Viviana Acquaviva , David M. Alexander , Omar Almaini , Matthew L. N. Ashby , Marco Barden , Eric F. Bell , Frédéric Bournaud , Thomas M. Brown , Karina I. Caputi , Stefano Casertano , Paolo Cassata , Marco Castellano , Peter Challis , Ranga-Ram Chary , Edmond Cheung , Michele Cirasuolo , Christopher J. Conselice , Asantha Roshan Cooray , Darren J. Croton , Emanuele Daddi , Tomas Dahlen , Romeel Davé , Duília F. de Mello , Avishai Dekel , Mark Dickinson , Timothy Dolch , Jennifer L. Donley , James S. Dunlop , Aaron A. Dutton , David Elbaz , Giovanni G. Fazio , Alexei V. Filippenko , Steven L. Finkelstein , Adriano Fontana , Jonathan P. Gardner , Peter M. Garnavich , Eric Gawiser , Mauro Giavalisco , Andrea Grazian , Yicheng Guo , Nimish P. Hathi , Boris Häussler , Philip F. Hopkins , Jia-Sheng Huang , Kuang-Han Huang , Saurabh W. Jha , Jeyhan S. Kartaltepe , Robert P. Kirshner , David C. Koo , Kamson Lai , Kyoung-Soo Lee , Weidong Li , Jennifer M. Lotz , Ray A. Lucas , Piero Madau , Patrick J. McCarthy , Elizabeth J. McGrath , Daniel H. McIntosh , Ross J. McLure , Bahram Mobasher , Leonidas A. Moustakas , Mark Mozena , Kirpal Nandra , Jeffrey A. Newman , Sami-Matias Niemi , Kai G. Noeske , Casey J. Papovich , Laura Pentericci , Alexandra Pope , Joel R. Primack , Abhijith Rajan , Swara Ravindranath , Naveen A. Reddy , Alvio Renzini , Hans-Walter Rix , Aday R. Robaina , Steven A. Rodney , David J. Rosario , Piero Rosati , Sara Salimbeni , Claudia Scarlata , Brian Siana , Luc Simard , Joseph Smidt , Rachel S. Somerville , Hyron Spinrad , Amber N. Straughn , Louis-Gregory Strolger , Olivia Telford , Harry I. Teplitz , Jonathan R. Trump , Arjen van der Wel , Carolin Villforth , Risa H. Wechsler , Benjamin J. Weiner , Tommy Wiklind , Vivienne Wild , Grant Wilson , Stijn Wuyts , Hao-Jing Yan , Min S. Yun

Lensed galaxies in CANDELS

We present results from a search for gravitationally lensed galaxies present in the Hubble Space Telescope (HST)/Wide Field Camera-3 (WFC3) images of the Cosmic Assembly Near-IR Deep Extragalactic Legacy Survey (CANDELS). We present one…

Cosmology and Nongalactic Astrophysics · Physics 2011-10-19 Asantha Cooray , Hai Fu , Jae Calanog , J. L. Wardlow , A. Chiu , Sam Kim , Joseph Smidt , V. Acquaviva , H. C. Ferguson , S. M. Faber , A. Galametz , N. A. Grogin , W. Hartley , D. Kocevski , A. Koekemoer , D. C. Koo , R. A. Lucas , L. Moustakas , J. A. Newman

Early results from GLASS-JWST. II: NIRCam extra-galactic imaging and photometric catalog

We present the reduced images and multi-wavelength catalog of the first JWST NIRCam extra-galactic observations from the GLASS Early Release Science Program, obtained as coordinated parallels of the NIRISS observations of the Abell 2744…

Astrophysics of Galaxies · Physics 2022-10-25 Emiliano Merlin , Andrea Bonchi , Diego Paris , Davide Belfiori , Adriano Fontana , Marco Castellano , Mario Nonino , Gianluca Polenta , Paola Santini , Lilan Yang , Karl Glazebrook , Tommaso Treu , Guido Roberts-Borsani , Michele Trenti , Simon Birrer , Gabriel Brammer , Claudio Grillo , Antonello Calabrò , Danilo Marchesini , Charlotte Mason , Amata Mercurio , Takahiro Morishita , Victoria Strait , Kristan Boyett , Nicha Leethochawalit , Themiya Nanayakkara , Benedetta Vulcani , Marusa Bradac , Xin Wang

A catalog of mid-infrared sources in the Extended Groth Strip

The Extended Groth Strip (EGS) is one of the premier fields for extragalactic deep surveys. Deep observations of the EGS with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope cover an area of 0.38 square degrees to a 50%…

Astrophysics · Physics 2009-07-24 P. Barmby , J. -S. Huang , M. L. N. Ashby , P. R. M. Eisenhardt , G. G. Fazio , E. L. Wright

Version 1 of the Hubble Source Catalog

The Hubble Source Catalog is designed to help optimize science from the Hubble Space Telescope by combining the tens of thousands of visit-based source lists in the Hubble Legacy Archive into a single master catalog. Version 1 of the Hubble…

Instrumentation and Methods for Astrophysics · Physics 2016-05-25 Bradley C. Whitmore , Sahar S. Allam , Tamas Budavari , Stefano Casertano , Ronald A. Downes , Thomas Donaldson , S. Michael Fall , Stephen H. Lubow , Lee Quick , Louis-Gregory Strolger , Geoff Wallace , Richard L. White

ASTRODEEP-JWST: NIRCam-HST multiband photometry and redshifts for half a million sources in six extragalactic deep fields

We present a set of photometric catalogs primarily aimed at providing the community with a comprehensive database for the study of galaxy populations in the high redshift Universe. The set gathers data from eight JWST NIRCam observational…

Astrophysics of Galaxies · Physics 2024-11-20 E. Merlin , P. Santini , D. Paris , M. Castellano , A. Fontana , T. Treu , S. L. Finkelstein , J. S. Dunlop , P. Arrabal Haro , M. Bagley , K. Boyett , A. Calabrò , M. Correnti , K. Davis , M. Dickinson , C. T. Donnan , H. C. Ferguson , F. Fortuni , M. Giavalisco , K. Glazebrook , A. Grazian , N. A. Grogin , N. Hathi , M. Hirschmann , J. S. Kartaltepe , L. J. Kewley , A. Kirkpatrick , D. D. Kocevski , A. M. Koekemoer , G. Leung , J. M. Lotz , R. A. Lucas , D. K. Magee , D. Marchesini , S. Mascia , D. J. McLeod , R. J. McLure , T. Nanayakkara , L. Napolitano , M. Nonino , C. Papovich , L. Pentericci , P. G. Pérez-González , N. Pirzkal , S. Ravindranath , G. Roberts-Borsani , R. S. Somerville , M. Trenti , J. R. Trump , B. Vulcani , X. Wang , P. J. Watson , S. M. Wilkins , G. Yang , L. Y. A. Yung

The GOODS-MUSIC sample: a multicolour catalog of near-IR selected galaxies in the GOODS-South field

We present a high quality multiwavelength (from 0.3 to 8.0 micron) catalog of the large and deep area in the GOODS Southern Field covered by the deep near-IR observations obtained with the ESO VLT. The catalog is entirely based on public…

Astrophysics · Physics 2009-07-28 A. Grazian , A. Fontana , C. De Santis , M. Nonino , S. Salimbeni , E. Giallongo , S. Cristiani , S. Gallozzi , E. Vanzella

The GLASS-JWST Early Release Science Program. II. Stage I release of NIRCam imaging and catalogs in the Abell 2744 region

We present images and a multi-wavelength photometric catalog based on all of the JWST NIRCam observations obtained to date in the region of the Abell 2744 galaxy cluster. These data come from three different programs, namely the GLASS-JWST…

Astrophysics of Galaxies · Physics 2023-07-26 Diego Paris , Emiliano Merlin , Adriano Fontana , Andrea Bonchi , Gabriel Brammer , Matteo Correnti , Tommaso Treu , Kristan Boyett , Antonello Calabrò , Marco Castellano , Wenlei Chen , Lilan Yang , Karl Glazebrook , Patrick Kelly , Anton M. Koekemoer , Nicha Leethochawalit , Sara Mascia , Charlotte Mason , Takahiro Morishita , Mario Nonino , Laura Pentericci , Gianluca Polenta , Guido Roberts-Borsani , Paola Santini , Michele Trenti , Eros Vanzella , Benedetta Vulcani , Rogier A. Windhorst , Themiya Nanayakkara , Xin Wang