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Other Science Areas

The following table shows the contribution that PRVS can make in other areas of science

Other Science Areas
Science Topic PRVS Contribution Requirement
Planetary atmospheres Chemical composition & physics of Solar System planetary atmospheres. Wide spectral coverage Resolution of few km/s
Exoplanetary atmospheres Measurements of exoplanetary atmospheric composition. Coverage 1-1.8um
Accurate flatfield accuracy
Brown dwarf spectroscopy Atmospheric spectroscopy to define BD models (mass, gravity, “weather”). Doppler imaging of BD surfaces. Wide wavelength coverage
Resolution ~10km/s
Low-mass spectroscopic binaries Fraction of spectroscopic M-L binaries, mass ratios & orbital parameters. Wide spectral coverage
R~50,000
Rotational velocities of young stars and low-mass stars Distribution of vsini in young clusters, and of low mass stars (M, L, T dwarfs). Wide spectral coverage
R~50,000
Hot protostellar disks Use atomic lines (eg [FeII], CI, H2) to probe geometry in disk atmospheres. Simultaneous coverage from 1.0-1.7µm
Resolution ~ few km/s
Stellar magnetic fields High sensitivity measurements of magnetic fields using Zeeman splitting. R~50,000
Asteroseismology Activity of stars across the main sequence. Wide spectral coverage, R>50,000
Jet & shock physics Use [FeII] lines to measure extinction, excitation, electron density across line profiles. Simultaneous coverage from 1.0-1.7µm
Resolution ~ few km/s
Masses & ages of nuclear stellar clusters in spiral galaxies The role of nuclear stellar clusters in defining the properties of the host galaxy. Wide spectral coverage, R>50,000
Fine Structure Constant Extend measurements z>2.5. Wide spectral coverage,R~50,000
Absorption lines against GRBs Followup spectroscopy against bright GRBs to measure gas and metallicities at high redshifts. Measure lines of (eg) FeII, MnII, CrII, ZnII for z>2.5. Rapid time to get on-source.
Resolution <10km/s.
Wide simultaneous coverage.
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