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CoRoT LRa02_E2_0121: Neptune-size planet candidate turns into a hierarchical triple system with a giant primary

Abstract:

This paper presents the case of CoRoT LRa02_E2_0121, which was initially classified as a Neptune-size transiting-planet candidate on a relatively wide orbit of 36.3 days. Follow-up observations were performed with UVES, Sandiford, SOPHIE and HARPS. These observations revealed a faint companion in the spectra. To find the true nature of the system we derived the radial velocities of the faint companion using TODMOR - a two-dimensional correlation technique, applied to the SOPHIE spectra. Model...

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Publisher copy:
10.1051/0004-6361/201117374

Authors


Santerne, A More by this author
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Journal:
Astronomy and Astrophysics
Volume:
534
Publication date:
2011-08-29
DOI:
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:8c8d717e-5331-4c4c-9cbb-c749d7bd9b96
Source identifiers:
194656
Local pid:
pubs:194656
Language:
English
Keywords:

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