PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG

PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG

During observational period 2006-2007 the CCD photometric observation with V system for three RR Lyr type stars: DM Cyg, V341 Aql and AV Peg have been carried out. It was the light curves obtained and the maxima moments were determined. For the purpose of periods changes variation the graphics of O...

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Main Author: S. N. Udovichenko
Format: Article
Language:English
Published: Odessa I. I. Mechnykov National University 2007-12-01
Series:Odessa Astronomical Publications
Online Access:http://oap.onu.edu.ua/article/view/87211
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spelling doaj-c69dafae96024c0e8632981eea2e04f92020-11-25T03:27:02ZengOdessa I. I. Mechnykov National UniversityOdessa Astronomical Publications1810-42152007-12-0120121721910.18524/1810-4215.2007.20.8721187211PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEGS. N. Udovichenko0Astronomical Observatory, Odessa National University T.G.Shevchenko Park, Odessa 65014, UkraineDuring observational period 2006-2007 the CCD photometric observation with V system for three RR Lyr type stars: DM Cyg, V341 Aql and AV Peg have been carried out. It was the light curves obtained and the maxima moments were determined. For the purpose of periods changes variation the graphics of O - C was plotted for long term intervals of time, containing several dozen of years, having applied the early published moments of light variations maxima. From these data the new elements for determine of light variations maxima was calculated.http://oap.onu.edu.ua/article/view/87211
collection DOAJ
language English
format Article
sources DOAJ
author S. N. Udovichenko
spellingShingle S. N. Udovichenko
PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG
Odessa Astronomical Publications
author_facet S. N. Udovichenko
author_sort S. N. Udovichenko
title PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG
title_short PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG
title_full PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG
title_fullStr PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG
title_full_unstemmed PHOTOMETRIC OBSERVATIONS AND PERIOD CHANGES FOR THE THREE RR LYRAE TYPE STARS: DM CYG, V341 AQL and AV PEG
title_sort photometric observations and period changes for the three rr lyrae type stars: dm cyg, v341 aql and av peg
publisher Odessa I. I. Mechnykov National University
series Odessa Astronomical Publications
issn 1810-4215
publishDate 2007-12-01
description During observational period 2006-2007 the CCD photometric observation with V system for three RR Lyr type stars: DM Cyg, V341 Aql and AV Peg have been carried out. It was the light curves obtained and the maxima moments were determined. For the purpose of periods changes variation the graphics of O - C was plotted for long term intervals of time, containing several dozen of years, having applied the early published moments of light variations maxima. From these data the new elements for determine of light variations maxima was calculated.
url http://oap.onu.edu.ua/article/view/87211
work_keys_str_mv AT snudovichenko photometricobservationsandperiodchangesforthethreerrlyraetypestarsdmcygv341aqlandavpeg
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