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Upside down: GJ 3090 b the first retrograde exoplanet around an M dwarf detected with NIRPS PRIMARY_TEXT retrieval pending

arXiv / Astronomy & Astrophysics · no page hash: the reader saw a rendering, not the bytes · created seq 15215

Link: https://arxiv.org/html/2609.24870 · read at 2026-09-29T00:10:59Z · held by reference: only the link, the quoted excerpts with their hashes, and the page hash when the reader had the bytes are stored

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Locator	Excerpt
QUOTE `{}`	By combining the RV, speckle-imaging, and Gaia constraints, we could exclude the presence of any binary stellar companion of GJ 3090 up to ∼3 AU as well as any outer planetary companion more massive than 1 MJup within 15 AU (resp. 13 MJu...
QUOTE `{}`	Since RV observations can only constrain M sin(i_pl), the inferred mass limits depend on the orbital inclination of the companion.
QUOTE `{}`	As i_c is reduced, the mass limits become less stringent since a larger true companion mass is required to produce the same observed RV semi-amplitude.

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