new tool: HITRAN database

CHANGES

@@ -1,6 +1,7 @@
 0.3.4 (unreleased)
 ------------------
 
+- Added basic HITRAN queries support (#617)
 - Fix #737, an issue with broken ALMA archive tables, via a hack (#775)
 - Add license statements to appropriate places (#776)
 - Correct HEASARC tool, which was sending incorrect data to the server (#774)

astroquery/hitran/__init__.py

@@ -0,0 +1,8 @@
+# Licensed under a 3-clause BSD style license - see LICENSE.rst
+"""
+HITRAN Catalog Query Tool
+-------------------------
+
+:Author: Adam Ginsburg (adam.g.ginsburg@gmail.com)
+"""
+from .reader import download_hitran, read_hitran_file, cache_location

astroquery/hitran/data/readme.txt

@@ -0,0 +1,208 @@
+HITRAN2004
+----------
+
+The fields output for this profile are listed in order below with format strings, units and description the following information: :
+
+molec_id
+--------
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: The HITRAN integer ID for this molecule in all its isotopologue forms
+
+local_iso_id
+------------
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Integer ID of a particular Isotopologue, unique only to a given molecule, in order or abundance (1 = most abundant)
+
+nu
+--
+C-style format specifier: %12.6f
+Fortran-style format specifier: F12.6
+Units: cm-1
+Description: Transition wavenumber
+
+sw
+--
+C-style format specifier: %10.3e
+Fortran-style format specifier: E10.3
+Units: cm-1/(molec.cm-2)
+Description: Line intensity, multiplied by isotopologue abundance, at T = 296 K
+
+a
+-
+C-style format specifier: %10.3e
+Fortran-style format specifier: E10.3
+Units: s-1
+Description: Einstein A-coefficient in s-1
+
+gamma_air
+---------
+C-style format specifier: %5.4f
+Fortran-style format specifier: F5.4
+Units: cm-1.atm-1
+Description: Air-broadened Lorentzian half-width at half-maximum at p = 1 atm and T = 296 K
+
+gamma_self
+----------
+C-style format specifier: %5.3f
+Fortran-style format specifier: F5.3
+Units: cm-1.atm-1
+Description: Self-broadened HWHM at 1 atm pressure and 296 K
+
+elower
+------
+C-style format specifier: %10.4f
+Fortran-style format specifier: F10.4
+Units: cm-1
+Description: Lower-state energy
+
+n_air
+-----
+C-style format specifier: %4.2f
+Fortran-style format specifier: F4.2
+Units: 
+Description: Temperature exponent for the air-broadened HWHM
+
+delta_air
+---------
+C-style format specifier: %8.6f
+Fortran-style format specifier: F8.6
+Units: cm-1.atm-1
+Description: Pressure shift induced by air, referred to p=1 atm
+
+global_upper_quanta
+-------------------
+C-style format specifier: %15s
+Fortran-style format specifier: A15
+Units: None
+Description: Electronic and vibrational quantum numbers and labels for the upper state of a transition
+
+global_lower_quanta
+-------------------
+C-style format specifier: %15s
+Fortran-style format specifier: A15
+Units: None
+Description: Electronic and vibrational quantum numbers and labels for the lower state of a transition
+
+local_upper_quanta
+------------------
+C-style format specifier: %15s
+Fortran-style format specifier: A15
+Units: None
+Description: Rotational, hyperfine and other quantum numbers and labels for the upper state of a transition
+
+local_lower_quanta
+------------------
+C-style format specifier: %15s
+Fortran-style format specifier: A15
+Units: None
+Description: Rotational, hyperfine and other quantum numbers and labels for the lower state of a transition
+
+ierr1
+-----
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Ordered list of indices corresponding to uncertainty estimates of transition parameters
+
+ierr2
+-----
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Ordered list of indices corresponding to uncertainty estimates of transition parameters
+
+ierr3
+-----
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Ordered list of indices corresponding to uncertainty estimates of transition parameters
+
+ierr4
+-----
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Ordered list of indices corresponding to uncertainty estimates of transition parameters
+
+ierr5
+-----
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Ordered list of indices corresponding to uncertainty estimates of transition parameters
+
+ierr6
+-----
+C-style format specifier: %1d
+Fortran-style format specifier: I1
+Units: 
+Description: Ordered list of indices corresponding to uncertainty estimates of transition parameters
+
+iref1
+-----
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: Ordered list of reference identifiers for transition parameters
+
+iref2
+-----
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: Ordered list of reference identifiers for transition parameters
+
+iref3
+-----
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: Ordered list of reference identifiers for transition parameters
+
+iref4
+-----
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: Ordered list of reference identifiers for transition parameters
+
+iref5
+-----
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: Ordered list of reference identifiers for transition parameters
+
+iref6
+-----
+C-style format specifier: %2d
+Fortran-style format specifier: I2
+Units: None
+Description: Ordered list of reference identifiers for transition parameters
+
+line_mixing_flag
+----------------
+C-style format specifier: %1s
+Fortran-style format specifier: A1
+Units: 
+Description: A flag indicating the presence of additional data and code relating to line-mixing
+
+gp
+--
+C-style format specifier: %7.1f
+Fortran-style format specifier: F7.1
+Units: None
+Description: Upper state degeneracy
+
+gpp
+---
+C-style format specifier: %7.1f
+Fortran-style format specifier: F7.1
+Units: None
+Description: Lower state degeneracy
+