Publications (87)
The Las Campanas Redshift Survey
Stephen A. Shectman, Stephen D. Landy, Augustus Oemler +4
The Las Campanas Redshift Survey (LCRS) consists of 26418 redshifts of galaxies selected from a CCD-based catalog obtained in the band. The survey covers over 700 square degree…
Exploring the Variable Sky with the Sloan Digital Sky Survey
Branimir Sesar, Zeljko Ivezic, Robert H. Lupton +29
We quantify the variability of faint unresolved optical sources using a catalog based on multiple SDSS imaging observations. The catalog covers SDSS Stripe 82, and contains 58 mill…
Dynamic Context-guided Capsule Network for Multimodal Machine Translation
Huan Lin, Fandong Meng, Jinsong Su +5
Multimodal machine translation (MMT), which mainly focuses on enhancing text-only translation with visual features, has attracted considerable attention from both computer vision a…
Models of the strongly lensed quasar DES J0408-5354
Adriano Agnello, Huan Lin, L. Buckley-Geer +82
We present gravitational lens models of the multiply imaged quasar DES J0408-5354, recently discovered in the Dark Energy Survey (DES) footprint, with the aim of interpreting its r…
A Survey of z~6 Quasars in the SDSS Deep Stripe: I. a Flux-Limited Sample at z_{AB}<21
Linhua Jiang, Xiaohui Fan, James Annis +9
We present the discovery of five quasars at z~6 selected from 260 deg^2 of the Sloan Digital Sky Survey (SDSS) southern survey, a deep imaging survey obtained by repeatedly scannin…
The Dark Energy Survey Data Processing and Calibration System
Joseph J. Mohr, Robert Armstrong, Emmanuel Bertin +15
The Dark Energy Survey (DES) is a 5000 deg2 grizY survey reaching characteristic photometric depths of 24th magnitude (10 sigma) and enabling accurate photometry and morphology of…
Estimating the Redshift Distribution of Faint Galaxy Samples
Marcos Lima, Carlos E. Cunha, Hiroaki Oyaizu +3
We present an empirical method for estimating the underlying redshift distribution N(z) of galaxy photometric samples from photometric observables. The method does not rely on phot…
EPD-Serve: A Flexible Multimodal EPD Disaggregation Inference Serving System On Ascend
Fan Bai, Pai Peng, Zhengzhi Tang +8
With the widespread adoption of large multimodal models, efficient inference across text, image, audio, and video modalities has become critical. However, existing multimodal infer…
Qwen3 Embedding: Advancing Text Embedding and Reranking Through Foundation Models
Yanzhao Zhang, Mingxin Li, Dingkun Long +9
In this work, we introduce the Qwen3 Embedding series, a significant advancement over its predecessor, the GTE-Qwen series, in text embedding and reranking capabilities, built upon…
Qwen2 Technical Report
An Yang, Baosong Yang, Binyuan Hui +59
This report introduces the Qwen2 series, the latest addition to our large language models and large multimodal models. We release a comprehensive suite of foundational and instruct…
Photometric Redshift Error Estimators
Hiroaki Oyaizu, Marcos Lima, Carlos E. Cunha +2
Photometric redshift (photo-z) estimates are playing an increasingly important role in extragalactic astronomy and cosmology. Crucial to many photo-z applications is the accurate q…
Bridging the Domain Gaps in Context Representations for k-Nearest Neighbor Neural Machine Translation
Zhiwei Cao, Baosong Yang, Huan Lin +6
-Nearest neighbor machine translation (NN-MT) has attracted increasing attention due to its ability to non-parametrically adapt to new translation domains. By using an upstre…
The DESI Experiment Part I: Science,Targeting, and Survey Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectroscopic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through…
Discovery of two gravitationally lensed quasars in the Dark Energy Survey
Adriano Agnello, Tommaso Treu, Fernanda Ostrovski +77
We present spectroscopic confirmation of two new lensed quasars via data obtained at the 6.5m Magellan/Baade Telescope. The lens candidates have been selected from the Dark Energy…
The Mass Of The Coma Cluster From Weak Lensing In The Sloan Digital Sky Survey
Jeffrey M. Kubo, Albert Stebbins, James Annis +4
We present a weak lensing analysis of the Coma Cluster using the Sloan Digital Sky Survey (SDSS) Data Release Five. Complete imaging of a ~ 200 square degree region is used to meas…
Zero-Shot Scalable Resilience in UAV Swarms: A Decentralized Imitation Learning Framework with Physics-Informed Graph Interactions
Huan Lin, Lianghui Ding
Large-scale Unmanned Aerial Vehicle (UAV) failures can split an unmanned aerial vehicle swarm network into disconnected sub-networks, making decentralized recovery both urgent and…
Dark Energy Survey Year 1 Results: Cosmological Constraints from Cluster Abundances and Weak Lensing
DES Collaboration, Tim Abbott, Michel Aguena +129
We perform a joint analysis of the counts and weak lensing signal of redMaPPer clusters selected from the Dark Energy Survey (DES) Year 1 dataset. Our analysis uses the same shear…
Qwen-Scope: Turning Sparse Features into Development Tools for Large Language Models
Boyi Deng, Xu Wang, Yaoning Wang +15
Large language models have achieved remarkable capabilities across diverse tasks, yet their internal decision-making processes remain largely opaque, limiting our ability to inspec…
Estimating global species richness using symbolic data meta-analysis
Huan Lin, M. J. Caley, Scott A. Sisson
Global species richness is a key biodiversity metric. Despite recent efforts to estimate global species richness, the resulting estimates have been highly uncertain and often logic…
Core or cusps: The central dark matter profile of a redshift one strong lensing cluster with a bright central image
Thomas E. Collett, Elizabeth Buckley-Geer, Huan Lin +58
We report on SPT-CLJ2011-5228, a giant system of arcs created by a cluster at . The arc system is notable for the presence of a bright central image. The source is a Lyman…
The Sloan Bright Arcs Survey: Ten Strong Gravitational Lensing Clusters and Evidence of Overconcentration
Matthew P. Wiesner, Huan Lin, Sahar S. Allam +6
We describe ten strong lensing galaxy clusters of redshift 0.26-0.56 that were found in the Sloan Digital Sky Survey. We present measurements of richness, mass and velocity dispers…
Discovery of A Very Bright, Strongly-Lensed z=2 Galaxy in the SDSS DR5
Huan Lin, Elizabeth Buckley-Geer, Sahar S. Allam +8
We report on the discovery of a very bright z = 2.00 star-forming galaxy that is strongly lensed by a foreground z=0.422 luminous red galaxy (LRG). This system was found in a syste…
Spectroscopic failures in photometric redshift calibration: cosmological biases and survey requirements
Carlos E. Cunha, Dragan Huterer, Huan Lin +2
We use N-body-spectro-photometric simulations to investigate the impact of incompleteness and incorrect redshifts in spectroscopic surveys to photometric redshift training and cali…
The Dependence of Galaxy Colors on Luminosity and Environment at z~0.4
H. K. C. Yee, B. C. Hsieh, Huan Lin +1
We analyse the B-R_c colors of galaxies as functions of luminosity and local galaxy density using a large photometric redshift catalog based on the Red-Sequence Cluster Survey. We…
Enhancing LLM Language Adaption through Cross-lingual In-Context Pre-training
Linjuan Wu, Haoran Wei, Huan Lin +4
Large language models (LLMs) exhibit remarkable multilingual capabilities despite English-dominated pre-training, attributed to cross-lingual mechanisms during pre-training. Existi…
WSSS4LUAD: Grand Challenge on Weakly-supervised Tissue Semantic Segmentation for Lung Adenocarcinoma
Chu Han, Xipeng Pan, Lixu Yan +40
Lung cancer is the leading cause of cancer death worldwide, and adenocarcinoma (LUAD) is the most common subtype. Exploiting the potential value of the histopathology images can pr…
The 8 o'clock Arc: A Serendipitous Discovery of a Strongly Lensed Lyman Break Galaxy in the SDSS DR4 Imaging Data
Sahar S. Allam, Douglas L. Tucker, Huan Lin +4
We report on the serendipitous discovery of the brightest Lyman Break Galaxy (LBG) currently known, a galaxy at z=2.73 that is being strongly lensed by the z=0.38 Luminous Red Gala…
The Power Spectrum of Galaxy Clustering in the Las Campanas Redshift Survey
Huan Lin, Robert P. Kirshner, Stephen A. Shectman +4
The Las Campanas Redshift Survey (LCRS) contains 23697 galaxies, with an average redshift , distributed over six $1.5\arcdeg$ by $80\arcdeg$ slices in the North and South…
The SOAR Gravitational Arc Survey - I: Survey overview and photometric catalogs
Cristina Furlanetto, Basilio X. Santiago, Martin Makler +10
We present the first results of the SOAR (Southern Astrophysical Research) Gravitational Arc Survey (SOGRAS). The survey imaged 47 clusters in two redshift intervals centered at $z…
Density-Dependent Luminosity Functions for Galaxies in the Las Campanas Redshift Survey
Benjamin C. Bromley, William H. Press, Huan Lin +1
Galaxies in the Las Campanas Redshift Survey are classified according to their spectra, and the resulting spectral types are analyzed to determine if local environment affects thei…
The SDSS Coadd: 275 deg^2 of Deep SDSS Imaging on Stripe 82
James Annis, Marcelle Soares-Santos, Michael A. Strauss +17
We present details of the construction and characterization of the coaddition of the Sloan Digital Sky Survey Stripe 82 \ugriz\ imaging data. This survey consists of 275 deg of…
TDCOSMO. XVI. Measurement of the Hubble Constant from the Lensed Quasar WGD20384008
Kenneth C. Wong, Frédéric Dux, Anowar J. Shajib +17
Time-delay cosmography is a powerful technique to constrain cosmological parameters, particularly the Hubble constant (). The TDCOSMO collaboration is performing an ongoing…
The Dark Energy Survey Data Management System
Joseph J. Mohr, Wayne Barkhouse, Cristina Beldica +17
The Dark Energy Survey collaboration will study cosmic acceleration with a 5000 deg2 griZY survey in the southern sky over 525 nights from 2011-2016. The DES data management (DESDM…
Measuring the flatness of focal plane for very large mosaic CCD camera
Jiangang Hao, Juan Estrada, Herman Cease +10
Large mosaic multiCCD camera is the key instrument for modern digital sky survey. DECam is an extremely red sensitive 520 Megapixel camera designed for the incoming Dark Energy Sur…
The Dark Energy Survey Data Management System: The Processing Framework
Michelle Gower, Joseph J. Mohr, Darren Adams +16
The Dark Energy Survey Data Management (DESDM) system will process and archive the data from the Dark Energy Survey (DES) over the five year period of operation. This paper focuses…
A Survey of z>5.7 Quasars in the Sloan Digital Sky Survey III: Discovery of Five Additional Quasars
Xiaohui Fan, Joseph F. Hennawi, Gordon T. Richards +11
We present the discovery of five new quasars at z>5.7, selected from the multicolor imaging data of the Sloan Digital Sky Survey (SDSS). Three of them, at redshifts 5.93, 6.07, and…
Constraining Dark Energy with the Dark Energy Survey: Theoretical Challenges
James Annis, Sarah Bridle, Francisco J. Castander +14
The Dark Energy Survey (DES) will use a new imaging camera on the Blanco 4-m telescope at CTIO to image 5000 square degrees of sky in the South Galactic Cap in four optical bands,…
The Sloan Bright Arcs Survey : Discovery of Seven New Strongly Lensed Galaxies from z=0.66-2.94
Jeffrey M. Kubo, Sahar S. Allam, Emily Drabek +11
We report the discovery of seven new, very bright gravitational lens systems from our ongoing gravitational lens search, the Sloan Bright Arcs Survey (SBAS). Two of the systems are…
The SDSS Coadd: A Galaxy Photometric Redshift Catalog
Ribamar R. R. Reis, Marcelle Soares-Santos, James Annis +7
We present and describe a catalog of galaxy photometric redshifts (photo-z's) for the Sloan Digital Sky Survey (SDSS) Coadd Data. We use the Artificial Neural Network (ANN) techniq…
Weak-lensing calibration of a stellar mass-based mass proxy for redMaPPer and Voronoi Tessellation clusters in SDSS Stripe 82
Maria E. S. Pereira, Marcelle Soares-Santos, Martin Makler +9
We present the first weak lensing calibration of , a new galaxy cluster mass proxy corresponding to the total stellar mass of red and blue members, in two cluster sampl…
The SDSS Coadd: Cosmic Shear Measurement
Huan Lin, Scott Dodelson, Hee-Jong Seo +7
Stripe 82 in the Sloan Digital Sky Survey was observed multiple times, allowing deeper images to be constructed by coadding the data. Here we analyze the ellipticities of backgroun…
Intrinsic Alignment of Cluster Galaxies: the Redshift Evolution
Jiangang Hao, Jeffrey M. Kubo, Robert Feldmann +4
We present measurements of two types of cluster galaxy alignments based on a volume limited and highly pure ( 90%) sample of clusters from the GMBCG catalog derived from SDSS…
Photometric Redshifts for the Dark Energy Survey and VISTA and Implications for Large Scale Structure
Manda Banerji, Filipe B. Abdalla, Ofer Lahav +1
We conduct a detailed analysis of the photometric redshift requirements for the proposed Dark Energy Survey (DES) using two sets of mock galaxy simulations and an artificial neural…
Estimating the Redshift Distribution of Photometric Galaxy Samples II. Applications and Tests of a New Method
Carlos E. Cunha, Marcos Lima, Hiroaki Oyaizu +2
In Lima et al. 2008 we presented a new method for estimating the redshift distribution, N(z), of a photometric galaxy sample, using photometric observables and weighted sampling fr…
From Statistical Methods to Deep Learning, Automatic Keyphrase Prediction: A Survey
Binbin Xie, Jia Song, Liangying Shao +6
Keyphrase prediction aims to generate phrases (keyphrases) that highly summarizes a given document. Recently, researchers have conducted in-depth studies on this task from various…
A New Survey for Giant Arcs
Joseph F. Hennawi, Michael D. Gladders, Masamune Oguri +11
We report on the first results of an imaging survey to detect strong gravitational lensing targeting the richest clusters selected from the photometric data of the Sloan Digital Sk…
VDES J2325-5229 a z=2.7 gravitationally lensed quasar discovered using morphology independent supervised machine learning
Fernanda Ostrovski, Richard G. McMahon, Andrew J. Connolly +56
We present the discovery and preliminary characterization of a gravitationally lensed quasar with a source redshift and image separation of lensed by a foregrou…
Dark Energy Studies: Challenges to Computational Cosmology
James Annis, Francisco J. Castander, August E. Evrard +12
The ability to test the nature of dark mass-energy components in the universe through large-scale structure studies hinges on accurate predictions of sky survey expectations within…
SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO-Virgo Event GW190814
Douglas Tucker, Matthew Wiesner, Sahar Allam +140
On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star-black hole merger (NSBH), the first ever identified. An extensive search for…
Very Red and Extremely Red Galaxies in the Fields of z ~ 1.5 Radio-Loud Quasars
Patrick B. Hall, Marcin Sawicki, Paul Martini +7
We previously identified an excess of mostly red galaxies around 31 RLQs at z=1-2. These fields have an ERO (extremely red object, R-K>6) density 2.7 times higher than the field. A…
A Galaxy Photometric Redshift Catalog for the Sloan Digital Sky Survey Data Release 6
Hiroaki Oyaizu, Marcos Lima, Carlos E. Cunha +3
We present and describe a catalog of galaxy photometric redshifts (photo-z's) for the Sloan Digital Sky Survey (SDSS) Data Release 6 (DR6). We use the Artificial Neural Network (AN…
Spectral Classification and Luminosity Function of Galaxies in the Las Campanas Redshift Survey
Benjamin C. Bromley, William H. Press, Huan Lin +1
We construct a spectral classification scheme for the galaxies of the Las Campanas Redshift Survey (LCRS) based on a principal component analysis of the measured galaxy spectra. We…
SDSS Standard Star Catalog for Stripe 82: the Dawn of Industrial 1% Optical Photometry
Zeljko Ivezic, J. Allyn Smith, Gajus Miknaitis +2
We describe a standard star catalog constructed using multiple SDSS photometric observations (at least four per band, with a median of ten) in the system. The catalog inclu…
WR-ONE2SET: Towards Well-Calibrated Keyphrase Generation
Binbin Xie, Xiangpeng Wei, Baosong Yang +5
Keyphrase generation aims to automatically generate short phrases summarizing an input document. The recently emerged ONE2SET paradigm (Ye et al., 2021) generates keyphrases as a s…
The Sloan Bright Arcs Survey : Six Strongly Lensed Galaxies at z=0.4-1.4
Jeffrey M. Kubo, Sahar S. Allam, James Annis +5
We present new results of our program to systematically search for strongly lensed galaxies in the Sloan Digital Sky Survey (SDSS) imaging data. In this study six strong lens syste…
Cross-correlation Weak Lensing of SDSS Galaxy Clusters I: Measurements
Erin S. Sheldon, David E. Johnston, Ryan Scranton +12
This is the first in a series of papers on the weak lensing effect caused by clusters of galaxies in Sloan Digital Sky Survey. The photometrically selected cluster sample, known as…
The DESI Experiment Part II: Instrument Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift…
Multi-Layer Pseudo-Supervision for Histopathology Tissue Semantic Segmentation using Patch-level Classification Labels
Chu Han, Jiatai Lin, Jinhai Mai +15
Tissue-level semantic segmentation is a vital step in computational pathology. Fully-supervised models have already achieved outstanding performance with dense pixel-level annotati…
The Sloan Nearby Cluster Weak Lensing Survey
Jeffrey M. Kubo, James Annis, Frances Mei Hardin +10
We describe and present initial results of a weak lensing survey of nearby () galaxy clusters in the Sloan Digital Sky Survey (SDSS). In this first study, galaxy…
DES Science Portal: Computing Photometric Redshifts
Julia Gschwend, Aurelio Carnero Rosell, Ricardo Ogando +68
A significant challenge facing photometric surveys for cosmological purposes is the need to produce reliable redshift estimates. The estimation of photometric redshifts (photo-zs)…
Mid-Infrared Spectroscopy of Two Lensed Star-forming Galaxies
Ross Fadely, Sahar S. Allam, Andrew J. Baker +7
We present low-resolution, rest-frame ~ 5 - 12 micron Spitzer/IRS spectra of two lensed z ~ 2 UV-bright star-forming galaxies, SDSS J120602.09+514229.5 and SDSS J090122.37+181432.3…
Star Formation in Las Campanas Compact Groups
Sahar S. Allam, Douglas L. Tucker, Huan Lin +1
Compact groups (CGs) of galaxies offer an exceptional laboratory for the study of dense galaxian environments --- where interactions, tidally induced activity, and mergers are expe…
CKD-TransBTS: Clinical Knowledge-Driven Hybrid Transformer with Modality-Correlated Cross-Attention for Brain Tumor Segmentation
Jianwei Lin, Jiatai Lin, Cheng Lu +12
Brain tumor segmentation (BTS) in magnetic resonance image (MRI) is crucial for brain tumor diagnosis, cancer management and research purposes. With the great success of the ten-ye…
TDCOSMO 2025: Cosmological constraints from strong lensing time delays
TDCOSMO Collaboration, Simon Birrer, Elizabeth J. Buckley-Geer +30
We present cosmological constraints from 8 strongly lensed quasars (hereafter, the TDCOSMO-2025 sample). Building on previous work, our analysis incorporated new deflector stellar…
The Luminosity Function of Galaxies in the Las Campanas Redshift Survey
Huan Lin, Robert P. Kirshner, Stephen A. Shectman +4
We present the -band luminosity function for a sample of 18678 galaxies, with average redshift , from the Las Campanas Redshift Survey. The luminosity function may be f…
mGTE: Generalized Long-Context Text Representation and Reranking Models for Multilingual Text Retrieval
Xin Zhang, Yanzhao Zhang, Dingkun Long +10
We present systematic efforts in building long-context multilingual text representation model (TRM) and reranker from scratch for text retrieval. We first introduce a text encoder…
Spectroscopic Gravitational Lens Candidates in the CNOC2 Field Galaxy Redshift Survey
Patrick B. Hall, H. K. C. Yee, Huan Lin +7
We present five candidate gravitational lenses discovered spectroscopically in the Canadian Network for Observational Cosmology Field Galaxy Redshift Survey (CNOC2), along with one…
Multi-Level Damage-Aware Graph Learning for Resilient UAV Swarm Networks
Huan Lin, Chenguang Zhu, Lianghui Ding +2
Unmanned aerial vehicle (UAV) swarm networks leverage resilient algorithms to restore connectivity from communication network split issues. However, existing graph learning-based a…
Qwen3 Technical Report
An Yang, Anfeng Li, Baosong Yang +57
In this work, we present Qwen3, the latest version of the Qwen model family. Qwen3 comprises a series of large language models (LLMs) designed to advance performance, efficiency, a…
The Distribution of [OII] Equivalent Widths of LCRS Galaxies
Michael Blanton, Huan Lin
We present a simple functional form for the joint distribution of R-band luminosity and [OII] 3727 emission-line equivalent widths of galaxies, and show that this form is a good fi…
The Vera C. Rubin Observatory Data Preview 1
Vera C Rubin Observatory Team, Tatiana Acero Cuellar, Emily Acosta +325
We present Rubin Data Preview 1 DP1, the first data from the NSF DOE Vera C Rubin Observatory, comprising raw and calibrated single epoch images, coadds, difference images, detecti…
A blind test of photometric redshift prediction
David W. Hogg, Judith G. Cohen, Roger Blandford +16
Results of a blind test of photometric redshift predictions against spectroscopic galaxy redshifts obtained in the Hubble Deep Field with the Keck Telescope are presented. The best…
New models for symbolic data analysis
Boris Beranger, Huan Lin, Scott A. Sisson
Symbolic data analysis (SDA) is an emerging area of statistics concerned with understanding and modelling data that takes distributional form (i.e. symbols), such as random lists,…
Qwen2.5 Technical Report
Qwen, :, An Yang +41
In this report, we introduce Qwen2.5, a comprehensive series of large language models (LLMs) designed to meet diverse needs. Compared to previous iterations, Qwen 2.5 has been sign…
Active Galactic Nuclei in the CNOC2 Field Galaxy Redshift Survey
Patrick B. Hall, H. K. C. Yee, Huan Lin +7
We present a sample of 47 confirmed and 14 candidate Active Galactic Nuclei (AGN) discovered in the Canadian Network for Observational Cosmology field galaxy redshift survey (CNOC2…
Mass Calibration of Galaxy Clusters at Redshift 0.1-1.0 using Weak Lensing in the Sloan Digital Sky Survey Stripe 82 Co-add
Matthew P. Wiesner, Huan Lin, Marcelle Soares-Santos
We present galaxy cluster mass-richness relations found in the Sloan Digital Sky Survey Stripe 82 co-add using clusters found using a Voronoi tessellation cluster finder. These rel…
The Sloan Bright Arcs Survey: Four Strongly Lensed Galaxies with Redshift >2
H. Thomas Diehl, Sahar S. Allam, James Annis +7
We report the discovery of four very bright, strongly-lensed galaxies found via systematic searches for arcs in Sloan Digital Sky Survey Data Release 5 and 6. These were followed-u…
Towards User-Driven Neural Machine Translation
Huan Lin, Liang Yao, Baosong Yang +5
A good translation should not only translate the original content semantically, but also incarnate personal traits of the original text. For a real-world neural machine translation…
Bio-inspired Integrated Networking and Control for Large-Scale Swarm: A Hierarchical Co-design
Huan Lin, Dakai Liu, Lianghui Ding +2
Unmanned aerial vehicle (UAV) swarms encounter the challenge of high overhead due to both network management and formation control requirements. In this paper, we propose a Bio-ins…
A Cohesive Deep Drilling Field Strategy for LSST Cosmology
Philippe Gris, Humna Awan, Matthew R. Becker +4
The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will image billions of astronomical objects in the wide-fast-deep primary survey and in a set of minisurveys in…
Photometric Calibration of the DES
Douglas L. Tucker, James T. Annis, Huan Lin +15
The Dark Energy Survey (DES) is a 5000 sq deg griz imaging survey to be conducted using a proposed 3 sq deg (2.2deg-diameter) wide-field mosaic camera on the CTIO Blanco 4m telesco…
The Influence of Environment on the Star Formation Rates of Galaxies
Yasuhiro Hashimoto, Augustus Oemler, Huan Lin +1
We have used a sample of 15749 galaxies taken from the Las Campanas Redshift Survey to investigate the effects of environment on the rate of star formation (SFR) in galaxies. The s…
Multi-hop Differential Topology based Algorithms for Resilient Network of UAV Swarm
Huan Lin, Lianghui Ding
Unmanned aerial vehicle (UAV) swarm networks face severe challenges of communication network split (CNS) issues caused by massive damage in hostile environments. In this paper, we…
The Galaxy-Weighted Small-Scale Velocity Dispersion of the Las Campanas Redshift Survey
Jonathan E. Baker, Marc Davis, Huan Lin
The pair-weighted relative velocity dispersion of galaxies provides a measure of the thermal energy of fluctuations of the observed galaxy distribution, but the measure is difficul…
PolyLM: An Open Source Polyglot Large Language Model
Xiangpeng Wei, Haoran Wei, Huan Lin +15
Large language models (LLMs) demonstrate remarkable ability to comprehend, reason, and generate following nature language instructions. However, the development of LLMs has been pr…
A Survey of z~6 Quasars in the SDSS Deep Stripe. II. Discovery of Six Quasars at z_{AB}>21
Linhua Jiang, Xiaohui Fan, Fuyan Bian +10
We present the discovery of six new quasars at z~6 selected from the Sloan Digital Sky Survey (SDSS) southern survey, a deep imaging survey obtained by repeatedly scanning a stripe…
The SDSS Coadd: Cross-Correlation Weak Lensing and Tomography of Galaxy Clusters
Melanie Simet, Jeffrey M. Kubo, Scott Dodelson +7
The shapes of distant galaxies are sheared by intervening galaxy clusters. We examine this effect in Stripe 82, a 275 square degree region observed multiple times in the Sloan Digi…