TS Corporation

NSWS "New Survey of Variable Star Program"

NSWS “New Survey of Variable Star” Program is a project of the Department of Astronomy and Astrophysics of TS Corporation.
The project born in 2010 provides, through the observation and analysis of variable stars, to determine and update the composition parameters of the same (stellar population, chemical composition, age and distance), in order to better understand their nature. and evolution.

To collect as many images and data as possible, we excluded objects with a low orbit relative to the line of sight. The range of maximum brightness of our preliminary sample allows the possibility of small telescopes with apertures from 20 to 200 cm equipped with a CCD camera for the low end and at least the set of filters B, V, R and I. This equipment allows us to extend the observation network for well-equipped amateurs.

The preliminary target list is given in this paper.

The findings are expected to have a crucial impact on several areas of modern astrophysics and physics research, ranging from the evolution to the end of life of the structures examined. Observations within the project promise further useful science such as:

    • define the position of the star on the HR diagram;
    • determination of the absolute parameters of the components (mass, age, type, component);
    • improve stellar evolution models;
    • update the variable database.


The Principal Investigators of the project are Diego Tasselli and Manuela Stanca of the Physics and Astronomy Department of the TS Corporation.