Detection of a planetary system orbiting the eclipsing polar HU Aqr

Bibliographic Details
Title:	Detection of a planetary system orbiting the eclipsing polar HU Aqr
Authors:	Qian, S. -B., Liu, L., Liao, W. -P., Li, L. -J., Zhu, L. -Y., Dai, Z. -B., He, J. -J., Zhao, E. -G., Zhang, J., Li, K.
Source:	MNRAS Letter, 2011
Publication Year:	2011
Collection:	Astrophysics
Subject Terms:	Astrophysics - Solar and Stellar Astrophysics
More Details:	Using the precise times of mid-egress of the eclipsing polar HU Aqr, we discovered that this polar is orbited by two or more giant planets. The two planets detected so far have masses of at least 5.9 and 4.5\,M_{Jup}. Their respective distances from the polar are 3.6 AU and 5.4 AU with periods of 6.54 and 11.96 years, respectively. The observed rate of period decrease derived from the downward parabolic change in O-C curve is a factor 15 larger than the value expected for gravitational radiation. This indicates that it may be only a part of a long-period cyclic variation, revealing the presence of one more planet. It is interesting to note that the two detected circumbinary planets follow the Titus-Bode law of solar planets with n=5 and 6. We estimate that another 10 years of observations will reveal the presence of the predicted third planet. Comment: 13 pages, 4 figures, 2 tables
Document Type:	Working Paper
DOI:	10.1111/j.1745-3933.2011.01045.x
Access URL:	http://arxiv.org/abs/1103.2005
Accession Number:	edsarx.1103.2005
Database:	arXiv

FullText	Text: Availability: 0 CustomLinks: – Url: http://arxiv.org/abs/1103.2005 Name: EDS - Arxiv Category: fullText Text: View this record from Arxiv MouseOverText: View this record from Arxiv – Url: https://resolver.ebsco.com/c/xy5jbn/result?sid=EBSCO:edsarx&genre=article&issn=&ISBN=&volume=&issue=&date=20110310&spage=&pages=&title=Detection of a planetary system orbiting the eclipsing polar HU Aqr&atitle=Detection%20of%20a%20planetary%20system%20orbiting%20the%20eclipsing%20polar%20HU%20Aqr&aulast=Qian%2C%20S.%20-B.&id=DOI:10.1111/j.1745-3933.2011.01045.x Name: Full Text Finder (for New FTF UI) (s8985755) Category: fullText Text: Find It @ SCU Libraries MouseOverText: Find It @ SCU Libraries
Header	DbId: edsarx DbLabel: arXiv An: edsarx.1103.2005 RelevancyScore: 933 AccessLevel: 3 PubType: Report PubTypeId: report PreciseRelevancyScore: 932.682067871094
IllustrationInfo
Items	– Name: Title Label: Title Group: Ti Data: Detection of a planetary system orbiting the eclipsing polar HU Aqr – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Qian%2C+S%2E+-B%2E%22">Qian, S. -B.</searchLink><br /><searchLink fieldCode="AR" term="%22Liu%2C+L%2E%22">Liu, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Liao%2C+W%2E+-P%2E%22">Liao, W. -P.</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+L%2E+-J%2E%22">Li, L. -J.</searchLink><br /><searchLink fieldCode="AR" term="%22Zhu%2C+L%2E+-Y%2E%22">Zhu, L. -Y.</searchLink><br /><searchLink fieldCode="AR" term="%22Dai%2C+Z%2E+-B%2E%22">Dai, Z. -B.</searchLink><br /><searchLink fieldCode="AR" term="%22He%2C+J%2E+-J%2E%22">He, J. -J.</searchLink><br /><searchLink fieldCode="AR" term="%22Zhao%2C+E%2E+-G%2E%22">Zhao, E. -G.</searchLink><br /><searchLink fieldCode="AR" term="%22Zhang%2C+J%2E%22">Zhang, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+K%2E%22">Li, K.</searchLink> – Name: TitleSource Label: Source Group: Src Data: MNRAS Letter, 2011 – Name: DatePubCY Label: Publication Year Group: Date Data: 2011 – Name: Subset Label: Collection Group: HoldingsInfo Data: Astrophysics – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Astrophysics+-+Solar+and+Stellar+Astrophysics%22">Astrophysics - Solar and Stellar Astrophysics</searchLink> – Name: Abstract Label: Description Group: Ab Data: Using the precise times of mid-egress of the eclipsing polar HU Aqr, we discovered that this polar is orbited by two or more giant planets. The two planets detected so far have masses of at least 5.9 and 4.5\,M_{Jup}. Their respective distances from the polar are 3.6 AU and 5.4 AU with periods of 6.54 and 11.96 years, respectively. The observed rate of period decrease derived from the downward parabolic change in O-C curve is a factor 15 larger than the value expected for gravitational radiation. This indicates that it may be only a part of a long-period cyclic variation, revealing the presence of one more planet. It is interesting to note that the two detected circumbinary planets follow the Titus-Bode law of solar planets with n=5 and 6. We estimate that another 10 years of observations will reveal the presence of the predicted third planet.<br />Comment: 13 pages, 4 figures, 2 tables – Name: TypeDocument Label: Document Type Group: TypDoc Data: Working Paper – Name: DOI Label: DOI Group: ID Data: 10.1111/j.1745-3933.2011.01045.x – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="http://arxiv.org/abs/1103.2005" linkWindow="_blank">http://arxiv.org/abs/1103.2005</link> – Name: AN Label: Accession Number Group: ID Data: edsarx.1103.2005
PLink	https://login.libproxy.scu.edu/login?url=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsarx&AN=edsarx.1103.2005
RecordInfo	BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1111/j.1745-3933.2011.01045.x Subjects: – SubjectFull: Astrophysics - Solar and Stellar Astrophysics Type: general Titles: – TitleFull: Detection of a planetary system orbiting the eclipsing polar HU Aqr Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Qian, S. -B. – PersonEntity: Name: NameFull: Liu, L. – PersonEntity: Name: NameFull: Liao, W. -P. – PersonEntity: Name: NameFull: Li, L. -J. – PersonEntity: Name: NameFull: Zhu, L. -Y. – PersonEntity: Name: NameFull: Dai, Z. -B. – PersonEntity: Name: NameFull: He, J. -J. – PersonEntity: Name: NameFull: Zhao, E. -G. – PersonEntity: Name: NameFull: Zhang, J. – PersonEntity: Name: NameFull: Li, K. IsPartOfRelationships: – BibEntity: Dates: – D: 10 M: 03 Type: published Y: 2011
ResultId	1