Dr. Sandra Jeffers

Main Affiliation
 
Staff Status
unigoe
 

1-22 of 22
 
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  • 2020 Journal Article
    ​ ​A multiplanet system of super-Earths orbiting the brightest red dwarf star GJ 887​
    Jeffers, S. V. ; Dreizler, S. ; Barnes, J. R.; Haswell, C. A.; Nelson, R. P.; Rodríguez, E. & López-González, M. J. et al.​ (2020) 
    Science368(6498) pp. 1477​-1481​.​ DOI: https://doi.org/10.1126/science.aaz0795 
    Details  DOI 
  • 2020 Journal Article
    ​ ​The CARMENES search for exoplanets around M dwarfs​
    Dreizler, S. ; Crossfield, I. J. M.; Kossakowski, D.; Plavchan, P.; Jeffers, S. V. ; Kemmer, J. & Luque, R. et al.​ (2020) 
    Astronomy and Astrophysics644 pp. A127​.​
    Details 
  • 2020 Journal Article
    ​ ​The impact of unresolved magnetic spots on high-precision radial velocity measurements​
    Lisogorskyi, M.; Saikia, S B.; Jeffers, S V ; Jones, H R A; Morin, J.; Mengel, M. & Reiners, A.  et al.​ (2020) 
    Monthly Notices of the Royal Astronomical Society497(3) pp. 4009​-4021​.​ DOI: https://doi.org/10.1093/mnras/staa2184 
    Details  DOI 
  • 2020 Journal Article
    ​ ​Measuring stellar magnetic helicity density​
    Lund, K.; Jardine, M.; Lehmann, L T; Mackay, D H; See, V.; Vidotto, A A & Donati, J.-F. et al.​ (2020) 
    Monthly Notices of the Royal Astronomical Society493(1) pp. 1003​-1012​.​ DOI: https://doi.org/10.1093/mnras/staa297 
    Details  DOI 
  • 2020 Journal Article
    ​ ​RedDots: a temperate 1.5 Earth-mass planet candidate in a compact multiterrestrial planet system around GJ 1061​
    Dreizler, S. ; Jeffers, S V ; Rodríguez, E.; Zechmeister, M. ; Barnes, J R; Haswell, C A & Coleman, G A L et al.​ (2020) 
    Monthly Notices of the Royal Astronomical Society493(1) pp. 536​-550​.​ DOI: https://doi.org/10.1093/mnras/staa248 
    Details  DOI 
  • 2020 Journal Article
    ​ ​Stellar atmospheric parameters of FGK-type stars from high-resolution optical and near-infrared CARMENES spectra​
    Marfil, E.; Tabernero, H M; Montes, D.; Caballero, J A; Soto, M G; González Hernández, J I & Kaminski, A. et al.​ (2020) 
    Monthly Notices of the Royal Astronomical Society492(4) pp. 5470​-5507​.​ DOI: https://doi.org/10.1093/mnras/staa058 
    Details  DOI 
  • 2019 Journal Article
    ​ ​Estimating Magnetic Filling Factors from Zeeman–Doppler Magnetograms​
    See, V.; Matt, S. P.; Folsom, C. P.; Saikia, S. B.; Donati, J.-F.; Fares, R. & Finley, A. J. et al.​ (2019) 
    The Astrophysical Journal876(2) pp. 118​.​ DOI: https://doi.org/10.3847/1538-4357/ab1096 
    Details  DOI 
  • 2019 Journal Article
    ​ ​Do Non-dipolar Magnetic Fields Contribute to Spin-down Torques?​
    See, V.; Matt, S. P.; Finley, A. J.; Folsom, C. P.; Saikia, S. B.; Donati, J.-F. & Fares, R. et al.​ (2019) 
    The Astrophysical Journal886(2) pp. 120​.​ DOI: https://doi.org/10.3847/1538-4357/ab46b2 
    Details  DOI 
  • 2019 Journal Article
    ​ ​Stellar activity analysis of Barnard’s Star: Very slow rotation and evidence for long-term activity cycle​
    Toledo-Padrón, B.; Hernández, J I G.; Rodríguez-López, C.; Mascareño, A S.; Rebolo, R.; Butler, R P & Ribas, I. et al.​ (2019) 
    Monthly Notices of the Royal Astronomical Society,.​ DOI: https://doi.org/10.1093/mnras/stz1975 
    Details  DOI 
  • 2019 Journal Article | Erratum
    ​ ​Erratum: The solar wind in time II: 3D stellar wind structure and radio emission​
    Ó Fionnagáin, D.; Vidotto, A A; Petit, P.; Folsom, C P; Jeffers, S V ; Marsden, S C & Morin, J. et al.​ (2019) 
    Monthly Notices of the Royal Astronomical Society487(3) pp. 3079​-3081​.​ DOI: https://doi.org/10.1093/mnras/stz1308 
    Details  DOI 
  • 2018 Journal Article
    ​ ​The relation between stellar magnetic field geometry and chromospheric activity cycles – II The rapid 120-day magnetic cycle of τ Bootis​
    Jeffers, S. V. ; Mengel, M.; Moutou, C.; Marsden, S. C.; Barnes, J. R.; Jardine, M. M. & Petit, P. et al.​ (2018) 
    Monthly Notices of the Royal Astronomical Society479(4) pp. 5266​-5271​.​ DOI: https://doi.org/10.1093/mnras/sty1717 
    Details  DOI 
  • 2018 Journal Article
    ​ ​The Solar Wind in Time II: 3D stellar wind structure and radio emission​
    Fionnagáin, D Ó; Vidotto, A A; Petit, P.; Folsom, C P; Jeffers, S V ; Marsden, S C & Morin, J. et al.​ (2018) 
    Monthly Notices of the Royal Astronomical Society,.​ DOI: https://doi.org/10.1093/mnras/sty3132 
    Details  DOI 
  • 2018 Journal Article
    ​ ​A candidate super-Earth planet orbiting near the snow line of Barnard’s star​
    Ribas, I.; Tuomi, M.; Reiners, A.; Butler, R. P.; Morales, J. C.; Perger, M. & Dreizler, S.  et al.​ (2018) 
    Nature563(7731) pp. 365​-368​.​ DOI: https://doi.org/10.1038/s41586-018-0677-y 
    Details  DOI 
  • 2018 Journal Article
    ​ ​The rotationally modulated polarization of ξ Boo A​
    Cotton, D. V; Evensberget, D.; Marsden, S. C; Bailey, J.; Zhao, J.; Kedziora-Chudczer, L. & Carter, B. D et al.​ (2018) 
    Monthly Notices of the Royal Astronomical Society483(2) pp. 1574​-1581​.​ DOI: https://doi.org/10.1093/mnras/sty3180 
    Details  DOI 
  • 2017 Journal Article
    ​ ​Surprisingly different star-spot distributions on the near equal-mass equal-rotation-rate stars in the M dwarf binary GJ 65 AB​
    Barnes, J. R.; Jeffers, S. V. ; Haswell, C. A.; Jones, H. R. A.; Shulyak, D. ; Pavlenko, Y. V. & Jenkins, J. S.​ (2017) 
    Monthly Notices of the Royal Astronomical Society471(1) pp. 811​-823​.​ DOI: https://doi.org/10.1093/mnras/stx1482 
    Details  DOI 
  • 2017 Journal Article
    ​ ​The open flux evolution of a solar-mass star on the main sequence​
    See, V.; Jardine, M.; Vidotto, A. A.; Donati, J.-F.; Saikia, S. B.; Fares, R. & Folsom, C. P. et al.​ (2017) 
    Monthly Notices of the Royal Astronomical Society474(1) pp. 536​-546​.​ DOI: https://doi.org/10.1093/mnras/stx2599 
    Details  DOI 
  • 2017 Journal Article
    ​ ​Recovering planet radial velocity signals in the presence of starspot activity in fully convective stars​
    Barnes, J. R.; Jeffers, S. V. ; Anglada-Escudé, G.; Haswell, C. A.; Jones, H. R. A.; Tuomi, M. & Feng, F. et al.​ (2017) 
    Monthly Notices of the Royal Astronomical Society466(2) pp. 1733​-1740​.​ DOI: https://doi.org/10.1093/mnras/stw3170 
    Details  DOI 
  • 2017 Journal Article
    ​ ​The relation between stellar magnetic field geometry and chromospheric activity cycles – I. The highly variable field of ε Eridani at activity minimum​
    Jeffers, S. V. ; Boro Saikia, S.; Barnes, J. R.; Petit, P.; Marsden, S. C.; Jardine, M. M. & Vidotto, A. A.​ (2017) 
    Monthly notices of the Royal Astronomical Society. Letters471(1) pp. L96​-L100​.​ DOI: https://doi.org/10.1093/mnrasl/slx097 
    Details  DOI 
  • 2016 Journal Article
    ​ ​MAGNETIC FIELD AND WIND OF KAPPA CETI: TOWARD THE PLANETARY HABITABILITY OF THE YOUNG SUN WHEN LIFE AROSE ON EARTH​
    do Nascimento, J. J. do Nascimento, Jr., J.-D.; Vidotto, A. A.; Petit, P.; Folsom, C.; Castro, M. ; Marsden, S. C. & Meibom, S. et al.​ (2016) 
    The Astrophysical Journal Letters820(1) art. L15​.​ DOI: https://doi.org/10.3847/2041-8205/820/1/L15 
    Details  DOI  WoS 
  • 2016 Journal Article
    ​ ​The energy budget of stellar magnetic fields: comparing non-potential simulations and observations​
    Lehmann, L. T.; Jardine, M. M.; Vidotto, A. A.; Mackay, D. H.; See, V.; Donati,  .-F. & Folsom, C. P. et al.​ (2016) 
    Monthly notices of the Royal Astronomical Society. Letters466(1) pp. L24​-L28​.​ DOI: https://doi.org/10.1093/mnrasl/slw225 
    Details  DOI 
  • 2016 Journal Article
    ​ ​BP Piscium: its flaring disc imaged with SPHERE/ZIMPOL​
    de Boer, J.; Girard, J. H.; Canovas, H.; Min, M.; Sitko, M.; Ginski, C. & Jeffers, S. V.  et al.​ (2016) 
    Monthly notices of the Royal Astronomical Society. Letters466(1) pp. L7​-L12​.​ DOI: https://doi.org/10.1093/mnrasl/slw219 
    Details  DOI 
  • 2012 Journal Article
    ​ ​Red Optical Planet Survey: a new search for habitable earths in the southern sky​
    Barnes, J. R.; Jenkins, J. S.; Jones, H. R. A.; Rojo, P.; Arriagada, P.; Jordan, A. & Minniti, D. et al.​ (2012) 
    Monthly Notices of the Royal Astronomical Society424(1) pp. 591​-604​.​ DOI: https://doi.org/10.1111/j.1365-2966.2012.21236.x 
    Details  DOI  WoS 

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