{"title":"bronshten：一个新的穿越火星的双星。","authors":"Brian D Warner, Robert D Stephens","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>CCD photometric observations of the Mars-crosser asteroid 7002 Bronshten show it to be a binary system. The primary period is <i>P<sub>1</sub></i> = 2.67025 ± 0.00007 h. The orbital period of the satellite, which is also its rotation period, is <i>P<sub>ORB</sub></i> = 13.323 ± 0.003 h. The mutual event attenuations in the satellite lightcurve are 0.06-0.11 mag. This establishes a lower limit of the secondary-to-primary mean diameter ratio of 0.24 ± 0.02.</p>","PeriodicalId":75145,"journal":{"name":"The Minor planet bulletin","volume":"46 1","pages":"53-54"},"PeriodicalIF":0.0000,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192044/pdf/nihms-1570173.pdf","citationCount":"0","resultStr":"{\"title\":\"7002 BRONSHTEN: A NEW MARS-CROSSING BINARY.\",\"authors\":\"Brian D Warner, Robert D Stephens\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>CCD photometric observations of the Mars-crosser asteroid 7002 Bronshten show it to be a binary system. The primary period is <i>P<sub>1</sub></i> = 2.67025 ± 0.00007 h. The orbital period of the satellite, which is also its rotation period, is <i>P<sub>ORB</sub></i> = 13.323 ± 0.003 h. The mutual event attenuations in the satellite lightcurve are 0.06-0.11 mag. This establishes a lower limit of the secondary-to-primary mean diameter ratio of 0.24 ± 0.02.</p>\",\"PeriodicalId\":75145,\"journal\":{\"name\":\"The Minor planet bulletin\",\"volume\":\"46 1\",\"pages\":\"53-54\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7192044/pdf/nihms-1570173.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Minor planet bulletin\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Minor planet bulletin","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
CCD photometric observations of the Mars-crosser asteroid 7002 Bronshten show it to be a binary system. The primary period is P1 = 2.67025 ± 0.00007 h. The orbital period of the satellite, which is also its rotation period, is PORB = 13.323 ± 0.003 h. The mutual event attenuations in the satellite lightcurve are 0.06-0.11 mag. This establishes a lower limit of the secondary-to-primary mean diameter ratio of 0.24 ± 0.02.
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