Useful Links

HI Surveys

Arecibo

• ALFALFA: The Arecibo Legacy Fast ALFA Survey
• GALFA-HI and GALFA HI Data Archive: The Galactic Arecibo L-band Feed Array HI
• AGES: The Arecibo Galaxy Environment Survey
• GASS: The GALEX Arecibo SDSS Survey
• xGASS: The extended GALEX Arecibo SDSS Survey
• xCOLD GASS: The IRAM-30m reference CO survey for galaxy evolution studies

Parkes

• HIPASS: HI Parkes All Sky Survey
• GASS: Galactic All Sky Survey

Effelsberg

• EBHIS: The Effelsberg-Bonn HI Survey
• J. Kerp's page
• HI4PI: A new all-sky survey of neutral hydrogen

FAST

• CRAFTS: Commensal Radio Astronomy FAST Survey
• FASHI: FAST All Sky HI Survey
• FEASTS: FAST Extended-Atlas-of-Selected-Targets Survey
• GPPS: The FAST Galactic Plane Pulsar Snapshot survey

VLA

• THINGS: The HI Nearby Galaxy Survey
• LITTLE THINGS: Local Irregulars That Trace Luminosity Extremes, The HI Nearby Galaxy Survey

WSRT

• WNSHS: Westerbork Northern Sky HI Survey

ASKAP

• WALLABY: The Widefield ASKAP L-band Legacy All-sky Blind surveY
• DINGO: Deep Investigation of Neutral Gas Origins
• FLASH: First Large Absorption Survey in H I
• GASKAP: Galactic ASKAP H I Survey

MeerKAT

• LADUMA: Looking at the Distant Universe with the MeerKAT Array
• MALS: The MeerKAT Absorption Line Survey
• MeerKAT Fornax Survey
• MHONGOOSE: MeerKAT HI Observations of Nearby Galactic Objects: Observing Southern Emitters
• MIGHTEE: The MeerKAT International GHz Tuned Extragalactic Exploration Survey

Interactive Image Tools

• Aladin Sky Atlas - Strongly recommended as a full multiband database!
• Aladin Lite
• Aladin Desktop
• ESASky
• HiPS list aggregator

Optical Surveys

SDSS

• Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy
• SQL Search - Skyserver SDSS
• CasJobs

DESI

• Legacy Survey Viewer
• Public spectra EDR
• DESI Data Model
• Legacy Survey DR10

Pan-STARRS

• Pan-STARRS1 Data Archive
• PS1 CasJobs

HSC-SSP

• Hyper Suprime-Cam Subaru Strategic Program
• Schema Browser

UV Surveys

GALEX

• MAST GALEX Database
• GALEX CasJobs
• GALEX Documentation

IR Surveys

WISE

• IRSA - Wide-field Infrared Survey Explorer
• Gator Catalog List
• AllWISE Data Release

Radio Continuum Surveys

VLA

• NVSS: The NRAO VLA Sky Survey
• VLASS: The Very Large Array Sky Survey

LOFAR

• LOFAR Surveys

Databases

NED (Essential for extragalactic studies)

• NASA/IPAC Extragalactic Database
• NED Classic Interface

CDS (Besides Aladin)

• SIMBAD Astronomical Database
• VizieR (convenient for downloading literature catalogs)
• CDS XMatch Service (for cross-matching tables)

Radio Fundamentals

Online Books

• Essential Radio Astronomy (Highly Recommended)

Documents

• List of VLA Calibrators (useful for selecting calibrators)

• astroR2的知乎专栏 - 射电天文等科研笔记（中文）

Software & Tools

• Radio Astronomy Tools - A collection of Python tools for radio astronomy data analysis
• Astropy - Core Python library for astronomy
• CASA - Common Astronomy Software Applications for radio data processing
• TOPCAT - Tool for OPerations on Catalogues And Tables
• reproject - Python package for astronomical image reprojection
• APLpy - Astronomical Plotting Library in Python