Photometric analysis of the Pi of the Sky data

Rafał Opiela; Katarzyna Małek; Lech Mankiewicz; Małgorzata Siudek; Marcin Sokołowski; Aleksander F. Żarnecki

doi:10.1117/12.2000241

7 November 2012 Photometric analysis of the Pi of the Sky data

Rafał Opiela, Katarzyna Małek, Lech Mankiewicz, Małgorzata Siudek, Marcin Sokołowski, Aleksander F. Żarnecki

Proceedings Volume 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012; 84540C (2012) https://doi.org/10.1117/12.2000241
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 2012, Wilga, Poland

Abstract

Two fully automatic Pi of the Sky detectors with a large field of view, located in Spain (INTA) and Chile (SPDA) observe the sky in search of rare optical phenomena but also collect observations which include many kinds of variable stars. To be able to draw proper conclusions from the data received, their adequate quality is very important. Data of the Pi of the Sky are subject to a systematic errors caused by various factors such as e.g. cloud cover seen as significant fluctuations in the number of stars observed by the detector, the problems with conducting mounting, a strong background of the moon or passing of a bright object near the observed star, such as a planet. Some of these adverse effects are already detected during the cataloging of individual measurements, but the quality of our data was still not satisfactory for us. In order to improve quality of our data we developed two new procedures which were based on two different approaches. In this article I will tell some words about these procedures, give an some examples and show how these procedures improve the quality of our data.

Citation Download Citation

Rafał Opiela, Katarzyna Małek, Lech Mankiewicz, Małgorzata Siudek, Marcin Sokołowski, and Aleksander F. Żarnecki "Photometric analysis of the Pi of the Sky data", Proc. SPIE 8454, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2012, 84540C (7 November 2012); https://doi.org/10.1117/12.2000241

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KEYWORDS

Stars

Sensors

Photometry

Databases

Algorithm development

Cameras

CCD image sensors

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