Command names on spectroscopy

• Spectral classification
• Rotational velocity
• Radial velocity
• Orbit of spectroscopic binaries

Spectral classification

The command mk

is used to query the MK spectral types

The command mks

is used to query the selected MK spectral types

The command spt

is used to query the spectral types in one dimension

Rotational velocity

The command vsn

is used to query the rotational velocities

Radial velocity

The command irv

is used to query the radial velocities

The command mrv

is used to query the mean radial velocities

The command gpo

is used to query the radial velocities obatined with an objective prism

The command rfs

is used to query the radial velocities obatined with a focal reducer

Orbit of spectroscopic binaries

The command orb

is used to query the elements of spectroscopic binaries

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