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Scientific paper - Original scientific paper
A quintuple star system containing two eclipsing binaries.
Monthly Notices of the Royal Astronomical Society, 462 (2016), 2; 1812-1825. https://doi.org/10.1093/mnras/stw1745
Rappaport, S.; Lehmann, H.; Kalomeni, B.; Borkovits, T.; Latham, D.; Bieryla, A.; Ngo, H.; Mawet, D.; Howell, S.; Horch, E.; Jacobs, T.L.; LaCourse, D.; Sodor, A.; Vanderburg, A.; Pavlovski, Krešimir More authors...

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Rappaport, S., Lehmann, H., Kalomeni, B., Borkovits, T., Latham, D., Bieryla, A. ... Pavlovski, K. (2016). A quintuple star system containing two eclipsing binaries.. Monthly Notices of the Royal Astronomical Society, 462. (2), 1812-1825. doi: 10.1093/mnras/stw1745

Rappaport, S., et al. "A quintuple star system containing two eclipsing binaries.." Monthly Notices of the Royal Astronomical Society, vol. 462, no. 2, 2016, pp. 1812-1825. https://doi.org/10.1093/mnras/stw1745

Rappaport, S., H. Lehmann, B. Kalomeni, T. Borkovits, D. Latham, A. Bieryla, H. Ngo, et al. "A quintuple star system containing two eclipsing binaries.." Monthly Notices of the Royal Astronomical Society 462, no. 2 (2016): 1812-1825. https://doi.org/10.1093/mnras/stw1745

Rappaport, S., et al. (2016) 'A quintuple star system containing two eclipsing binaries.', Monthly Notices of the Royal Astronomical Society, 462(2), pp. 1812-1825. doi: 10.1093/mnras/stw1745

Rappaport S, Lehmann H, Kalomeni B, Borkovits T, Latham D, Bieryla A, and sur.. A quintuple star system containing two eclipsing binaries.. Monthly Notices of the Royal Astronomical Society [Internet]. 2016 [cited 2025 January 06];462(2):1812-1825. doi: 10.1093/mnras/stw1745

S. Rappaport, et al., "A quintuple star system containing two eclipsing binaries.", Monthly Notices of the Royal Astronomical Society, vol. 462, no. 2, pp. 1812-1825, 2016. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:606304. [Accessed: 06 January 2025]

Metadata
Title (english)A quintuple star system containing two eclipsing binaries.
AuthorS. Rappaport
AuthorH. Lehmann
AuthorB. Kalomeni
AuthorT. Borkovits
AuthorD. Latham
AuthorA. Bieryla
AuthorH. Ngo
AuthorD. Mawet
AuthorS. Howell
AuthorE. Horch
AuthorT.L. Jacobs
AuthorD. LaCourse
AuthorA. Sodor
AuthorA. Vanderburg
AuthorKrešimir Pavlovski
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Astronomy and Astrophysics
Abstract (english)
We present a quintuple star system that contains two eclipsing binaries. The unusual architecture includes two stellar images separated by 11 arcsec on the sky: EPIC 212651213 and EPIC 212651234. The more easterly image (212651213) actually hosts both eclipsing binaries which are resolved within that image at 0.09 arcsec, while the westerly image (212651234) appears to be single in adaptive optics (AO), speckle imaging, and radial velocity (RV) studies. The ‘A’ binary is circular with a 5.1-d period, while the ‘B’ binary is eccentric with a 13.1-d period. The γ velocities of the A and B binaries are different by ∼10 km s−1. That, coupled with their resolved projected separation of 0.09 arcsec, indicates that the orbital period and separation of the ‘C’ binary (consisting of A orbiting B) are ≃65 yr and ≃25 au, respectively, under the simplifying assumption of a circular orbit. Motion within the C orbit should be discernible via future RV, AO, and speckle imaging studies within a couple of years. The C system (i.e. 212651213) has an RV and proper motion that differ from that of 212651234 by only ∼1.4 km s−1 and ∼3 mas yr−1. This set of similar space velocities in three dimensions strongly implies that these two objects are also physically bound, making this at least a quintuple star system.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titleMonthly Notices of the Royal Astronomical Society
Numberingvol. 462, no. 2, pp. 1812-1825
p-ISSN0035-8711
e-ISSN1365-2966
DOIhttps://doi.org/10.1093/mnras/stw1745
URN:NBNurn:nbn:hr:217:606304
Publication2016
ProjectNumber: IP-2014-09-8656
Title (croatian): Zvijezde i prašina: struktura, sastav i interakcija
Acronym: STARDUST
Leader: Krešimir Pavlovski
Jurisdiction: Croatia
Funding stream: IP
Document URLhttps://academic.oup.com/mnras/article/462/2/1812/2589741
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public note© 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2016 July 15. Received 2016 July 14; in original form 2016 May 20.
Created on2020-02-09 14:24:16