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Sparse aperture masking at the VLT I. Faint companion detection limits for the two debris disk stars HD 92945 and HD 141569
Instrumentation: high angular resolution – Stars: planetary systems – Stars: individual
2011/9/29
Observational data on companion statistics around young stellar systems is needed to flesh out the formation pathways for extrasolar planets and brown dwarfs. Aperture masking is a new technique that ...
Detection limits in plasmonic whispering gallery mode biosensors
plasmonic whispering gallery mode biosensors
2011/9/5
We analyze a whispering gallery mode biosensor with a metallic nanorod bound to its surface. It is found that a localized surface plasmon resonance in the nanorod can reduce the optical mode volume of...
Planetary detection limits taking into account stellar noise. I. Observational strategies to reduce stellar oscillation and granulation effects
Earth and Planetary Astrophysics (astro-ph.EP)
2010/12/29
The radial velocity signature of stellar noise is small, around the meter-per-second, but already too much for the detection of Earth mass planets in habitable zones. In this paper, we address the imp...
Aerosol quantification with the Aerodyne Aerosol Mass Spectrometer:detection limits and ionizer background effects
Aerosol quantification Aerodyne Aerosol Mass Spectrometer detection limits ionizer background effects
2010/2/8
Systematic laboratory experiments were performed to investigate quantification of various species with two versions of the Aerodyne Aerosol Mass Spectrometer, a Quadrupole Aerosol Mass Spectrometer (Q...