Nitrogen species (NH3, HCN, HNC, HC3N)


Download Data Line atlases of cyanoacetylene (HC3N), ammonia (NH3) and ro-vibrational structure of hydrogen cyanide (HCN), hydrogen isocyanide (HNC) and ammonia (NH3).
The database is organized following the HITRAN-2008 format (intensities at 296K), while the ro-vibrational tables present the extracted energies with the corresponding quantum-numbers.
HC3N: 397 lines of the v1 band in the 3258-3378 cm-1 spectral range (Jmax=200).
NH3: updated linelist with corrected statistical weights and Einstein A-coefficients (24686 lines in the 0-5294 cm-1 spectral range).
HCN and HNC: table of ro-vibrational energies extracted from GEISA and HITRAN linelists.
Download Data Fluorescence efficiencies for NH3, HC3N, HCN and HNC.
Atlas format:   Frequency [cm-1]    g-factor [s-1]   Upper-state rotational energy [cm-1]    Line ID.
Rotational temperatures: 50 and 100K    -    Equilibrated spin temperature.
Heliocentric distance 1AU, heliocentric velocity 0 km s-1.
Frequency range: 1800-4000 cm-1.
Download Data Cyanoacetylene (HC3N) partition functions.
Table format: Temperature[K], Z_rotational, Z_vibrational, Z_total.
Temperature range: 1-500K.
Villanueva, G. L., Magee-Sauer, K., Mumma, M. J., Modeling of nitrogen compounds in cometary atmospheres: Fluorescence models of ammonia (NH3), hydrogen cyanide (HCN), hydrogen isocyanide (HNC) and cyanoacetylene (HC3N). Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 129, p. 158-168. (2013).
ADSPDFRefsCitations

 

Methanol (CH3OH)


Download Data Methanol line-by-line atlas of the ν3 fundamental.
The database is organized following the HITRAN-2008 format (intensities at 296K).
Line IDs are described following the G6 point group (isomorphic to C3V) model (J, K and A+/A-/E1/E2 symmetry).
2,948 spectral lines with Jmax=22 and Kmax=22.
Spectral range: 2800-2900 cm-1.
Download Data Methanol fluorescence efficiencies of the ν3 fundamental.
Atlas format:   Frequency [cm-1]    g-factor [s-1]   Upper-state rotational energy [cm-1]    Line ID.
Rotational temperature: 100K    -    Equilibrated spin temperature.
Heliocentric distance 1AU, heliocentric velocity 0 km s-1.
Download Data Methanol partition functions.
Table format: Temperature[K], Z_total, Z_rotational, Z_torsional, Z_vibrational, Z_Asym, Z_Esym.
Temperature range: 1-500K.
Villanueva, G. L., DiSanti, M. A., Mumma, M. J., Xu, L.-H., A Quantum Band Model of the v3 Fundamental of Methanol (CH3OH) and Its Application to Fluorescence Spectra of Comets. The Astrophysical Journal, Volume 747, Issue 1, article id. 37, 11 pp. (2012).
ADSPDFRefsFilesSIMBADCitations

 

Water (H2O and HDO)


Download Data Water line lists for a N2 atmosphere (e.g., Earth) and for a CO2 atmoshere (e.g., Mars).
The database is organized following the HITRAN-2008 format (intensities at 296K).
The atlas contains our empirically derived corrections and is based on the 2009 HITRAN water list (01_hit09.par). Line shape parameters for a CO2 atmosphere were calculated following the complex Robert-Bonamy formalism.
69,201 spectral lines.
Download Data Water (H2O and HDO) fluorescence efficiencies.
Atlas format:   Frequency [cm-1]    g-factor [s-1]   Lower-state energy [cm-1]    Line ID.
Rotational temperatures: 50K, 75K and 100K    -    Equilibrated spin temperature.
Spectral range: 1800-4000 cm-1
Intensity cut-off [s-1]: 10-14 for H2O and 10-12 for HDO.
Heliocentric distance 1AU, heliocentric velocity 0 km s-1.
Download Data Water energy lists.
The compressed file contains two directories (H2O and HDO), where the energy structures retrieved from the different databases are presented ("level.DATABASE.txt"). Lists reporting the detailed errors idenitifed in the databases are also included ("error.DATABASE.txt"). The energy structure contained in the SELP(HITEMP), HITRAN and GEISA databases was used to correct the ab-initio databases (see "levels.ABINITIO_DATABASE.dat" lists in BT2/VTT format).
Villanueva, G. L., Mumma, M. J., Bonev, B. P., Novak, R. E., Barber, R. J., Disanti, M. A., Water in planetary and cometary atmospheres: H2O/HDO transmittance and fluorescence models. Journal of Quantitative Spectroscopy and Radiative Transfer, Volume 113, Issue 3, p. 202-220. (2012).
ADSPDFRefsCitations

 

Ethane (C2H6)


Download Data Ethane line-by-line atlas of the ν7 fundamental.
The database is organized following the HITRAN-2008 format (intensities at 296K).
Line IDs are described following the G+36 point group model (J, K, ℓ, A/E/G symmetry).
8,680 spectral lines with Jmax=40 and Kmax=20.
Spectral range: 2900-3100 cm-1.
Download Data Ethane fluorescence efficiencies of the ν7 fundamental.
Atlas format:   Frequency [cm-1]    g-factor [s-1]   Lower-state energy [cm-1]    Line ID.
Rotational temperature: 100K    -    Equilibrated spin temperature.
Heliocentric distance 1AU, heliocentric velocity 0 km s-1.
Villanueva, G. L., Mumma, M. J., Magee-Sauer, K., Ethane in planetary and cometary atmospheres: Transmittance and fluorescence models of the nu7 band at 3.3 mum. Journal of Geophysical Research, Volume 116, Issue E8, CiteID E08012 (2011).
ADSPDFRefsCitations

 

Carbon dioxide (CO2)


Download Data Atlas of 3 bands of isotopic carbon dioxide.
The databases are organized following the HITRAN-2008 format (intensities at 296K).
1,039 spectral lines in the 2610-3040 cm-1 spectral range.
CO2(628), Band: 01111e/f - 00001, 445 lines.
CO2(627), Band: 20001 - 00001, 297 lines.
CO2(638), Band: 20001 - 00001, 297 lines.
Villanueva, Geronimo L., Mumma, Michael J., Novak, Robert E., Hewagama, Tilak, Identification of a new band system of isotopic CO2 near 3.3 mum: Implications for remote sensing of biomarker gases on Mars. Icarus, Volume 195, Issue 1, p. 34-44. (2008).
ADSPDFPressRefsCitations
Villanueva, Geronimo L., Mumma, Michael J., Novak, Robert E., Hewagama, Tilak, Discovery of multiple bands of isotopic CO2 in the prime spectral regions used when searching for CH4 and HDO on Mars. Journal of Quantitative Spectroscopy & Radiative Transfer, v. 109, iss. 6, p. 883-894. (2008).
ADSPDFPressRefsCitations

 

Acetylene (C2H2


Download Data Update of the HITRAN acetylene atlas (April/2011).
The database is organized following the HITRAN-2008 format (intensities at 296K).
20,410 spectral lines in the 0-10000 cm-1 spectral range.
Gordon et al. (Villanueva, G. L.) Molecular linelist for C2H2 (Acetylene). HITRAN Update, April/2011.