John Barnes - Centre for Astrophysics Research (CAR) - University ...

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ROPS parameter spaceROPS2- upperlimits10 M 1 M • Lowest mass M dwarf RVS• HZ 2- upper limits of 5.7 – 14.5 M • Rocky planet sensitivities should be achieved <strong>for</strong> M6V – M9V targets
Summary• Initial 2 night study of 7 mid-late M dwarfs with MIKE: 10 ms -1precision on brightest / most stable targets• UVES survey of 14 mid-late M dwarfs - 4 nights with 6 nightbaseline: RV precisions of ~5 - 19 ms -1 achieved on 8 targets (6further targets yet to be fully analysed)SP Typer.m.s sensitivity (HZ)M5.5V - M6.5V 2.9 M – 7.8 M (11 M )M7V – M9V4.6 M – 5.6 M • Exclude BD companions (M 13 M J ) in 6/12 day orbits(0.03/0.05 AU, K * 6.7/5.2 kms -1 )0.25( BD desert: 0.0 0.10% of M stars with L companions @ 5-70 AUDieterich et al, 2012 )• Four half nights pending (MIKE) in Oct / Nov 2013 – extendobservations to 8 – 10 epochs
Page 1 and 2: Red Optical Planet Survey (R PS):A
Page 3 and 4: • Kepler planet candidates:M dwar
Page 5 and 6: VisibleRed opticalNear infrared Y-b
Page 7 and 8: RV sensitivity in the red-optical
Page 9 and 10: Deconvolution S/N in a single spect
Page 11 and 12: Proxima Centauri - a training datas
Page 13 and 14: Proxima Centauri Archival UVES data
Page 15 and 16: Poisson limited precision usingdeco
Page 17: Sensitivities• For UVES - 5 ms -1

John Barnes - Centre for Astrophysics Research (CAR) - University ...

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