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dc.date.accessioned | 2019-10-24T13:13:30Z | |
dc.date.available | 2019-10-24T13:13:30Z | |
dc.date.issued | 2011 | |
dc.identifier.uri | http://sedici.unlp.edu.ar/handle/10915/83953 | |
dc.description.abstract | We present the results of photometric solutions for two contact binaries in the nearby globular cluster M4. We estimate their physical parameters using the light-curve program of the Wilson-Devinney code. These systems have quite different mass ratios, which indicates that they did not form at the same time. V47 is an extreme mass-ratio system (q = 0.123 ± 0.002) being dissimilar to the same kind of field contact binaries. V53 is a high mass-ratio (q = 1.230 ± 0.004), deep-contact (f = 79.7 ± 1.9 per cent) system. It is also a blue straggler. | en |
dc.format.extent | 1509-1522 | es |
dc.language | en | es |
dc.subject | Binaries: eclipsing | es |
dc.subject | Blue stragglers | es |
dc.subject | Stars: evolution | es |
dc.subject | Stars: individual: V47 | es |
dc.subject | Stars: individual: V53 | es |
dc.title | Two extreme contact binary systems in the nearest globular cluster M4 | en |
dc.type | Articulo | es |
sedici.identifier.other | doi:10.1111/j.1365-2966.2011.18791.x | es |
sedici.identifier.other | eid:2-s2.0-79960601375 | es |
sedici.identifier.issn | 0035-8711 | es |
sedici.creator.person | Liu, L. | es |
sedici.creator.person | Qian, S. B. | es |
sedici.creator.person | Fernández Lajús, Eduardo | es |
sedici.subject.materias | Ciencias Astronómicas | es |
sedici.description.fulltext | true | es |
mods.originInfo.place | Facultad de Ciencias Astronómicas y Geofísicas | es |
mods.originInfo.place | Instituto de Astrofísica de La Plata | es |
sedici.subtype | Articulo | es |
sedici.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | |
sedici.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
sedici.description.peerReview | peer-review | es |
sedici.relation.journalTitle | Monthly Notices of the Royal Astronomical Society | es |
sedici.relation.journalVolumeAndIssue | vol. 415, no. 2 | es |
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