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With the great volume of Sloan Digital Sky Survey (SDSS) data being released (from DR1 to DR16 now), it becomes possible for us to study how galaxies and large scale structure of the universe were formed, what the amount, composition and distribution of matter in clusters and large scale structures are, how the cluster mass density related to the matter density does in the universe and what constraints the cluster and supercluster data place on cosmology. Clusters of galaxies provide a powerful tool for the study of galaxy formation, dark matter, large-scale structure and cosmology. We often use SDSS, NED, BATC, COSMOS Database, and so on in our science research which methods are provided here. Read them carefully and you will find they are convenient for you. (download software Putty,X-Win32, WinSCP, UltraEdit, FITS Viewer (fv) SAOImage DS9 (ds9) or ESO scisoft8 for Fedora 20.)
1、 Data Download
ADS/BAO mirror --> Search
Max Planck institute for Astrophysics (SDSS)
Beijing-Arizona-Taiwan-Connecticut (BATC)
Beijing-Arizona Sky Survey (BASS)
The South Galactic Cap U-band Sky Survey (SCUSS)
All-wavelength Extended Groth
strip International Survey (AEGIS)
Chandra X-ray Center
IRSA(Spitzer, WISE, 2MASS, ……)
Level 5
HyperZ Photometric redshift code
Light Curve ---
ASAS-SN、ZTF、CSS
FITS Viewer (fv)
---
fv User's Guide v5.3
SAOImage DS9 (ds9)
--- SAOImage DS9 Users Manual
2、Astronomers'
Homepages
Getting Started tells you what types of data you can find on
SkyServer, what data each of the tools will return, and how you can best
use the tools to study the sky.
Famous Places presents
a gallery of beautiful images, various large galaxies, and some of the
most distant quasars ever discovered.
Get Images lets
you download of individual images and spectra at various zoom levels. Go
here if you want to save a nice picture for a screen background.
Scrolling Sky lets
you enjoy the sight of the sky moving on the screen as the SDSS
telescope sees it when it scans along on its nightly cycle.
Search allows
you to search the database for sky positions, objects with a certain
brightness, and and various other criteria. You can even enter
free-format SQL queries, or use a simple form to search the database.
Object Crossid allows
you to upload search the database for sky positions, objects with a a
list of object positions, and returns the SDSS objects which are within
a certain radius of those positions. A few simple upload formats are
supported.
CasJobs allows
you to submit unlimited SQL queries in batch mode and save query results
in your personal database (MyDB).
Help is
provided for those who would like to understand more about these tools,
using SQL, and the properties of the objects stored in our database.
Download contains
a few publications which explain our data in much more detail, and a few
tools that can be ran on the user's computer, like the sdssQA, an
advanced query tool written in Java. For reference, we provide links to earlier data
releases. The current data release always provides both
the largest sky coverage and the highest-quality data
and reductions.
4、NASA/IPAC
EXTRAGALACTIC
DATABASE
(NED)
Bian Wei-hao
Fan Xiao-hui
Ignacio
Trujillo
Kong
Xu
Ma Jun
Raymond E. White
Shen Shi-yin
Wu
Xue-bing
Yang Jian-ming
Yang Yan-bin
Yuan Feng
Yuan Qi-rong
Zhang Tian-meng
Zhou Xu
Zou Hu
Previous data releases
5、COSMOS
SkyWalker