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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 06205naa a2201525 4500 | |
| 001 | oai:DiVA.org:su-198814 | |
| 003 | SwePub | |
| 008 | 211116s2021 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1988142 URI |
| 024 | 7 | a https://doi.org/10.1051/0004-6361/2021418892 DOI |
| 040 | a (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Lacour, S.4 aut |
| 245 | 1 0 | a The mass of β Pictoris c from β Pictoris b orbital motion |
| 264 | c 2021-10-08 | |
| 264 | 1 | b EDP Sciences,c 2021 |
| 338 | a print2 rdacarrier | |
| 520 | a Aims. We aim to demonstrate that the presence and mass of an exoplanet can now be effectively derived from the astrometry of another exoplanet.Methods. We combined previous astrometry of β Pictoris b with a new set of observations from the GRAVITY interferometer. The orbital motion of β Pictoris b is fit using Markov chain Monte Carlo simulations in Jacobi coordinates. The inner planet, β Pictoris c, was also reobserved at a separation of 96 mas, confirming the previous orbital estimations.Results. From the astrometry of planet b only, we can (i) detect the presence of β Pictoris c and (ii) constrain its mass to 10.04(-3.10)(+4.53) M-Jup. If one adds the astrometry of β Pictoris c, the mass is narrowed down to 9.15(-1.06)(+1.08) M-Jup. The inclusion of radial velocity measurements does not affect the orbital parameters significantly, but it does slightly decrease the mass estimate to 8.89(-0.75)(+0.75) M-Jup. With a semimajor axis of 2.68 +/- 0.02 au, a period of 1221 +/- 15 days, and an eccentricity of 0.32 +/- 0.02, the orbital parameters of β Pictoris c are now constrained as precisely as those of β Pictoris b. The orbital configuration is compatible with a high-order mean-motion resonance (7:1). The impact of the resonance on the planets' dynamics would then be negligible with respect to the secular perturbations, which might have played an important role in the eccentricity excitation of the outer planet. | |
| 650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
| 653 | a planets and satellites: detection | |
| 653 | a astrometry | |
| 653 | a instrumentation: interferometers | |
| 653 | a instrumentation: high angular resolution | |
| 700 | 1 | a Wang, J. J.4 aut |
| 700 | 1 | a Rodet, L.4 aut |
| 700 | 1 | a Nowak, M.4 aut |
| 700 | 1 | a Shangguan, J.4 aut |
| 700 | 1 | a Beust, H.4 aut |
| 700 | 1 | a Lagrange, A.-M.4 aut |
| 700 | 1 | a Abuter, R.4 aut |
| 700 | 1 | a Amorim, A.4 aut |
| 700 | 1 | a Asensio-Torres, R.4 aut |
| 700 | 1 | a Benisty, M.4 aut |
| 700 | 1 | a Berger, J.-P.4 aut |
| 700 | 1 | a Blunt, S.4 aut |
| 700 | 1 | a Boccaletti, A.4 aut |
| 700 | 1 | a Bohn, A.4 aut |
| 700 | 1 | a Bolzer, M.-L.4 aut |
| 700 | 1 | a Bonnefoy, M.4 aut |
| 700 | 1 | a Bonnet, H.4 aut |
| 700 | 1 | a Bourdarot, G.4 aut |
| 700 | 1 | a Brandner, W.4 aut |
| 700 | 1 | a Cantalloube, F.4 aut |
| 700 | 1 | a Caselli, P.4 aut |
| 700 | 1 | a Charnay, B.4 aut |
| 700 | 1 | a Chauvin, G.4 aut |
| 700 | 1 | a Choquet, E.4 aut |
| 700 | 1 | a Christiaens, V.4 aut |
| 700 | 1 | a Clenet, Y.4 aut |
| 700 | 1 | a du Foresto, V. Coude4 aut |
| 700 | 1 | a Cridland, A.4 aut |
| 700 | 1 | a Dembet, R.4 aut |
| 700 | 1 | a Dexter, J.4 aut |
| 700 | 1 | a de Zeeuw, T.4 aut |
| 700 | 1 | a Drescher, A.4 aut |
| 700 | 1 | a Duvert, G.4 aut |
| 700 | 1 | a Eckart, A.4 aut |
| 700 | 1 | a Eisenhauer, F.4 aut |
| 700 | 1 | a Gao, F.4 aut |
| 700 | 1 | a Garcia, P.4 aut |
| 700 | 1 | a Garcia Lopez, R.4 aut |
| 700 | 1 | a Gendron, E.4 aut |
| 700 | 1 | a Genzel, R.4 aut |
| 700 | 1 | a Gillessen, S.4 aut |
| 700 | 1 | a Girard, J. H.4 aut |
| 700 | 1 | a Haubois, X.4 aut |
| 700 | 1 | a Heissel, G.4 aut |
| 700 | 1 | a Henning, Th.4 aut |
| 700 | 1 | a Hinkley, S.4 aut |
| 700 | 1 | a Hippler, S.4 aut |
| 700 | 1 | a Horrobin, M.4 aut |
| 700 | 1 | a Houlle, M.4 aut |
| 700 | 1 | a Hubert, Z.4 aut |
| 700 | 1 | a Jocou, L.4 aut |
| 700 | 1 | a Kammerer, J.4 aut |
| 700 | 1 | a Keppler, M.4 aut |
| 700 | 1 | a Kervella, P.4 aut |
| 700 | 1 | a Kreidberg, L.4 aut |
| 700 | 1 | a Lapeyrere, V.4 aut |
| 700 | 1 | a Le Bouquin, J.-B.4 aut |
| 700 | 1 | a Lena, P.4 aut |
| 700 | 1 | a Lutz, D.4 aut |
| 700 | 1 | a Maire, A.-L.4 aut |
| 700 | 1 | a Merand, A.4 aut |
| 700 | 1 | a Molliere, P.4 aut |
| 700 | 1 | a Monnier, J. D.4 aut |
| 700 | 1 | a Mouillet, D.4 aut |
| 700 | 1 | a Nasedkin, E.4 aut |
| 700 | 1 | a Ott, T.4 aut |
| 700 | 1 | a Otten, G. P. P. L.4 aut |
| 700 | 1 | a Paladini, C.4 aut |
| 700 | 1 | a Paumard, T.4 aut |
| 700 | 1 | a Perraut, K.4 aut |
| 700 | 1 | a Perrin, G.4 aut |
| 700 | 1 | a Pfuhl, O.4 aut |
| 700 | 1 | a Rickman, E.4 aut |
| 700 | 1 | a Pueyo, L.4 aut |
| 700 | 1 | a Rameau, J.4 aut |
| 700 | 1 | a Rousset, G.4 aut |
| 700 | 1 | a Rustamkulov, Z.4 aut |
| 700 | 1 | a Samland, Matthiasu Stockholms universitet,Institutionen för astronomi4 aut0 (Swepub:su)masa4294 |
| 700 | 1 | a Shimizu, T.4 aut |
| 700 | 1 | a Sing, D.4 aut |
| 700 | 1 | a Stadler, J.4 aut |
| 700 | 1 | a Stolker, T.4 aut |
| 700 | 1 | a Straub, O.4 aut |
| 700 | 1 | a Straubmeier, C.4 aut |
| 700 | 1 | a Sturm, E.4 aut |
| 700 | 1 | a Tacconi, L. J.4 aut |
| 700 | 1 | a van Dishoeck, E. F.4 aut |
| 700 | 1 | a Vigan, A.4 aut |
| 700 | 1 | a Vincent, F.4 aut |
| 700 | 1 | a von Fellenberg, S. D.4 aut |
| 700 | 1 | a Ward-Duong, K.4 aut |
| 700 | 1 | a Widmann, F.4 aut |
| 700 | 1 | a Wieprecht, E.4 aut |
| 700 | 1 | a Wiezorrek, E.4 aut |
| 700 | 1 | a Woillez, J.4 aut |
| 700 | 1 | a Yazici, S.4 aut |
| 700 | 1 | a Young, A.4 aut |
| 710 | 2 | a Stockholms universitetb Institutionen för astronomi4 org |
| 773 | 0 | t Astronomy and Astrophysicsd : EDP Sciencesg 654q 654x 0004-6361x 1432-0746 |
| 856 | 4 | u https://doi.org/10.1051/0004-6361/202141889y Fulltext |
| 856 | 4 | u https://www.aanda.org/articles/aa/pdf/2021/10/aa41889-21.pdf |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-198814 |
| 856 | 4 8 | u https://doi.org/10.1051/0004-6361/202141889 |
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- Lacour, S.
- Wang, J. J.
- Rodet, L.
- Nowak, M.
- Shangguan, J.
- Beust, H.
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- Lagrange, A.-M.
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- Eisenhauer, F.
- Gao, F.
- Garcia, P.
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- Ward-Duong, K.
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