Name

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  KDISTERR

Description

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  This function calculates the two kinematic distances, with errors,
  for a given object whose velocity is known to some precision.

Category

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  coordinate systems

Calling Sequence

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  result=KDISTERR( l, vlow, vhigh, [/RADIANS, /SILENT])

Inputs

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  l: The galactic longitude of the source given in degrees (or
    radians, if /RADIANS is set)
  vlow: The lower bound for the radial velocity estimate, in km/s
  vhigh: The uppper bound for the radial velocity estimate, in km/s

Keyword Parameters

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  RADIANS: If set, l is given in radians
  SILENT: If set, textual summary of the results are suppressed

Outputs

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  A 4 element vector. The first and third elements give the near and
  far kinematic distances in kpc, while the second and fourth give
  error estimates.

Procedure

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  This routine uses kdist.pro to do all of the work

Restrictions

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  This only works for objects with latitudes between 270 degrees and
  90 degrees, for which there are two possible kinematic distances

Modification History

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  June 2008: Written by Chris Beaumont