PHOTOMETRIC ANALYSIS OF PI OF THE SKY DATA
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Two fully automatic Pi of the Sky detectors with a large field of view, located in Spain(INTA) and in Chile (SPDA) observe the sky in search of rare optical phenomena, and also collectobservations which include many kinds of variable stars. To be able to draw proper conclusions fromthe data that is received, adequate quality of the detectors is very important. Pi of the Sky data aresubject to systematic errors caused by various factors, e.g. cloud cover seen as significant fluctuations inthe number of stars observed by the detector, problems with conducting mounting, a strong backgroundof the moon or the passage of a bright object, e.g. a planet, near the observed star. Some of theseadverse effects are already detected during cataloging of the individual measurements, but this is notsufficient to make the quality of the data satisfactory for us. In order to improve the quality of ourdata, we developed two new procedures based on two different approaches. In this paper we will saysome words about these procedures, give some examples, and show how these procedures improve thequality of our data.
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Opiela, R.; Malek, K.; Mankiewicz, L.; Siudek, M.; Sokolowski, Marcin; Zarnecki, A. (2014)© 2014 SPIE.Pi of the Sky is a system of five wide field of view robotic telescopes, which search for short timescale astrophysical phenomena, especially for prompt optical GRB emissions. The system was designed for ...
Kains, N.; Bramich, D.; Arellano Ferro, A.; Figuera Jaimes, R.; Jørgensen, U.; Giridhar, S.; Penny, M.; Alsubai, K.; Andersen, J.; Bozza, V.; Browne, P.; Burgdorf, M.; Calchi Novati, S.; Damerdji, Y.; Diehl, C.; Dodds, P.; Dominik, M.; Elyiv, A.; Fang, X.; Giannini, E.; Gu, S.; Hardis, S.; Harpsoe, K.; Hinse, T.; Hornstrup, A.; Hundertmark, M.; Jessen-Hansen, J.; Juncher, D.; Kerins, E.; Kjeldsen, H.; Korhonen, H.; Liebig, C.; Lund, M.; Lundkvist, M.; Mancini, L.; Martin, R.; Mathiasen, M.; Rabus, M.; Rahvar, S.; Ricci, D.; Sahu, K.; Scarpetta, G.; Skottfelt, J.; Snodgrass, C.; Southworth, J.; Surdej, J.; Tregloan-Reed, J.; Vilela, C.; Wertz, O.; Williams, Andrew (2013)Aims. We present the analysis of 26 nights of V and I time-series observations from 2011 and 2012 of the globular cluster M30 (NGC 7099). Weused our data to search for variable stars in this cluster and refine the periods ...
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