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Data Main

  • AAVSO International Database (AID)
  • Portal for Researchers
  • Historic Light Curves
  • Eggen Card Project
  • WebObs (Submit/Search Data)
  • Data Access
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data
Submitted by owentooke on Mon, 10/02/2017 - 16:25
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Getting Started with Data Analysis

One of the things that makes AAVSO citizen science projects unique is that the data analysis stage is also open to anyone. AAVSO members and observers aren't asked to simply to collect data for scientists to analyse, but they can do some analysis themselves. This includes steps such as identifying a project/problem/goal, collecting data, performing quality control procedures on it, analysing it and communicating results to others.

The main links in the Analyze Data sections are:

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tutorial
data
analysis
Submitted by owentooke on Thu, 09/07/2017 - 16:31
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The AAVSO Research Portal

Welcome to the AAVSO's Research Portal.  From this page, you can find information about obtaining AAVSO data, requesting new observations, or learning more about the AAVSO, its data, and its services for the research community.  Its purpose is to facilitate your use of the AAVSO's resources in your research efforts.

See the blue boxes on the right hand side of this page to access the AAVSO data archives or to find out  how to work with the AAVSO to obtain new scientific data.

 

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time series
special notice
research
photometry
history of science
history of astronomy
history
database
data access
data
citizen science
campaigns
calibration
archives
analysis
alert notice
AID
AAVSOnet
AAVSO International Database
Submitted by owentooke on Thu, 09/07/2017 - 16:16
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The AAVSO International Database

Looking for AAVSO Data?  Go directly to AAVSO Data Access.

The AAVSO International Database has over 34 million variable star observations going back over one hundred years. It is the largest and most comprehensive digital variable star database in the world. Over 1,000,000 new variable star brightness measurements are added to the database every year by over 700 observers from all over the world.

Quality

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database
data access
data
AID
Submitted by owentooke on Thu, 09/07/2017 - 16:15
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BAAVSS data now available through the AAVSO

The American Association of Variable Star Observers (AAVSO) and the British Astronomical Association Variable Star Section (BAAVSS) are pleased to announce that the variable star observation archive of the BAAVSS is now available through the website of the AAVSO.  The BAAVSS archives comprise over 2.5 million variable star observations made mostly by amateur astronomers world-wide over the past 150 years.  These data now join the archives of the AAVSO in the AAVSO International Database, which consists of over 25 million variable star observations made by observe

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variable stars
observations
front page news
data
BAAVSS
archival data
AID
AAVSO
Submitted by Matthew Templeton on Tue, 12/02/2014 - 12:24
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AAVSO Sunspot Count Data

Use this form to access the American Relative Sunspot Number (Ra) as published by the National Geophysical Data Center (which is shut down pending a Federal budget agreement). These numbers reflect what was published by NGDC, and may contain typographical errors. For the official AAVSO value of Ra, see the AAVSO Solar Bulletin for specific month(s) you are interested in.

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solar bulletin
NGDC
data
American Relative Sunspot Number
Submitted by Matthew Templeton on Mon, 10/14/2013 - 09:07
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Data Usage Guidelines

Revised 2019 August 20

Jump to Formal policy: Acknowledgement for Using AAVSO Data
Jump to Dear Colleague letter from the Director on using AAVSO data

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research
publication
photometry
observations
front page news
Director
data
copyright
coauthor
citation
authorship
AID
data download
Submitted by Matthew Templeton on Thu, 04/18/2013 - 09:27
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Note on automatic rejection of low signal-to-noise data

Note on Automatic Rejection of Low Signal-to-noise Data

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webobs
photometry
data
submit data
ccd observing
Submitted by Matthew Templeton on Thu, 07/07/2011 - 12:42
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Archival Data Digitization -- Work In Progress

The AAVSO's volunteer-driven project to digitize paper archives of variable star observations is moving forward, and there have been some exciting developments over the past few months that deserve to be mentioned.  Here, I'll summarize some of the happenings in this project, and talk about some of the issues that have arisen at AAVSO and among the volunteers. 


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volunteering
volunteer
variable stars
science
photometry
history
data
archival data
AID
Submitted by Matthew Templeton on Wed, 03/23/2011 - 09:16
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AAVSO Maxima and Minima for Long Period Variables: Data Access

These data are formally published for the years 1900 to 2008.  For a description of this data set, please click here.

Note: A separate page exists for the data including unpublished times of maxima.  Go here for the current data set including the most recent data (through February of the current year).

Stars with maxima and minima data are as follows:

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visual observations
TOM
red giant
publications
Miras
maxmin
Margaret Mayall
LPV
long period
Leon Campbell
Janet Mattei
data
archive
AID
AAVSO International Database
Submitted by Matthew Templeton on Mon, 10/04/2010 - 12:02
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