{"title":"Statistical analysis of dwarf novae outbursts","authors":"A. Gicger","doi":"10.1016/0273-1177(88)90427-9","DOIUrl":null,"url":null,"abstract":"<div><div>Correlations between maximum brightness, outburst width, lengths of preceding and following intervals have been studied for 14 dwarf novae (mostly from southern sky). Significant correlations (<em>ϱ</em>>0.40) occur only in 16 per cent of cases, which confirms earlier results by Szkody and Mattei /20/. Global correlations have also been studied between mean photometric parameters and binary system parameters using a sample including over 30 objects. The most interesting result is the strong correlation (<em>ϱ</em>=+0.94) between the orbital period and the outbursts duration. It implies that the quantity α (z<sub>o</sub>/r)<sup>2</sup> is approximately constant for all dwarf novae. Using typical estimates for z<sub>0</sub>/r we get <span><math><mtext>α≊0.2</mtext></math></span>.</div></div>","PeriodicalId":50850,"journal":{"name":"Advances in Space Research","volume":"8 2","pages":"Pages 337-339"},"PeriodicalIF":2.8000,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Space Research","FirstCategoryId":"89","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0273117788904279","RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ASTRONOMY & ASTROPHYSICS","Score":null,"Total":0}
引用次数: 0
Abstract
Correlations between maximum brightness, outburst width, lengths of preceding and following intervals have been studied for 14 dwarf novae (mostly from southern sky). Significant correlations (ϱ>0.40) occur only in 16 per cent of cases, which confirms earlier results by Szkody and Mattei /20/. Global correlations have also been studied between mean photometric parameters and binary system parameters using a sample including over 30 objects. The most interesting result is the strong correlation (ϱ=+0.94) between the orbital period and the outbursts duration. It implies that the quantity α (zo/r)2 is approximately constant for all dwarf novae. Using typical estimates for z0/r we get .
期刊介绍：
The COSPAR publication Advances in Space Research (ASR) is an open journal covering all areas of space research including: space studies of the Earth''s surface, meteorology, climate, the Earth-Moon system, planets and small bodies of the solar system, upper atmospheres, ionospheres and magnetospheres of the Earth and planets including reference atmospheres, space plasmas in the solar system, astrophysics from space, materials sciences in space, fundamental physics in space, space debris, space weather, Earth observations of space phenomena, etc.
NB: Please note that manuscripts related to life sciences as related to space are no more accepted for submission to Advances in Space Research. Such manuscripts should now be submitted to the new COSPAR Journal Life Sciences in Space Research (LSSR).
All submissions are reviewed by two scientists in the field. COSPAR is an interdisciplinary scientific organization concerned with the progress of space research on an international scale. Operating under the rules of ICSU, COSPAR ignores political considerations and considers all questions solely from the scientific viewpoint.
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