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observations

Datos de la BAAVSS ahora disponibles a través de la AAVSO

La American Association of Variable Star Observers (AAVSO) y la British Astronomical Association Variable Star Section (BAAVSS) tienen el agrado de anunciar que el archivo de observaciones de estrellas variables de la BAAVSS ya está disponible a través del sitio web de AAVSO. Los archivos de la BAAVSS cuentan con más de 2,5 millones de observaciones de estrellas variables realizadas en su mayoría por astrónomos aficionados de todo el mundo durante los pasados 150 años.

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

Variable stars with companions

In the April 2014 Newsletter we published an article on variable stars with close companion causing problems with their photometry.

In this page we give more information and updated tables so you can be aware of the stars that are causing problems or have caused problems in the past.

We will be updating this information with more stars in the future.
If you find a problem similar to those described in the Newsletter article, please let us know.

 

Identifications of Centennial Calendar Images: November 2011

Images in A Century of Variable Star Observing: 1911-2010


November 2011: AAVSO reports - submitting observations to the AAVSO International Database

Special Notice #217: SN 2010hg in NGC 3001

September 2, 2010: We have been notified by Dan Green, Central Bureau for Astronomical Telegrams, that Berto Monard (MLF), Pretoria, South Africa, has discovered a bright supernova (discovered at 15.0, brightened to 14.7 in 24 hours) in NGC 3001. Here are details quoted from CBET 2434 (Green, ed.):

Olin Eggen Observation Cards

Digitizing Olin Eggen's Legacy

Quick link: want to get involved? Visit the Eggen Data Project Google group!

AAVSO File Format Specifications

This Official AAVSO file report format was released on January 15, 2008.

Files of observations uploaded to the AAVSO via the WebObs File Upload tool must be formatted in the Official AAVSO Format. Visit our page on Software that exports to AAVSO format to help format your observations.

Data Access

The AAVSO Data Access portal

Go to Data Download.
Go to WebObs (search observations).
Go to Light Curve Generator.
Go to Data Usage Guidelines.
Go to Information about AAVSO Data.

Pages

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484