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Encyclopedia of Astrobiology pp 1Cite as

Titanium Monoxide (TiO)

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Synonyms

Titanium Monoxide

Definition

Titanium monoxide, TiO, has been known to be present in the atmospheres of cool stars for more than 100 years. We do not in general list or discuss molecular constituents of stellar atmospheres in this Encyclopedia; however, more recent observations show that TiO is also be present in the circumstellar envelopes of some cool stars (Kaminski et al. 2013; see Molecules in Space).

History

Isotopic anomalies for titanium (differences from typical solar system values for the relative abundances of Ti isotopes) have been found in meteorites and interpreted as possible evidence for the survival of presolar material, possibly interstellar grains or material from a near-by supernova explosion.

The related molecule, titanium dioxide, TiO2, has been identified by radio astronomers in the circumstellar envelope of the evolved star VY Canis Majoris.

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References and Further Reading

  • Chen JH, Papanastassiou DA, Zhang A, Dauphas N, Davis AM (2012) Correlated Ca, Ti, and Cr isotopic anomalies in meteorites. In: 43rd Lunar Planetary Science Conference, abstract #2607

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  • Kaminski T, Gottlieb CA, Menten K et al (2013) Pure rotational spectra of TiO and TiO2 in VY canis majoris. Astron Astrophys 551:A113

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Authors and Affiliations

  1. Department of Astronomy, University of Massachusetts, Amherst, MA, USA

    William M. Irvine

Authors
  1. William M. Irvine
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Corresponding author

Correspondence to William M. Irvine .

Editor information

Editors and Affiliations

  1. Labo. d'Astrophysique de Bordeaux (LAB), Observatoire Aquitain des Sciences de l'Univers (OASU), Floirac CX, France

    Muriel Gargaud

  2. Astronomy Department, University of Massachusetts, Amherst, MA, USA

    William M. Irvine

  3. Centro de Biología Molecular, Universidad Autónoma de Madrid, Madrid, Spain

    Ricardo Amils

  4. Geophysical Lab., Carnegie Institution of Washington, Washington, DC, USA

    Henderson James Cleaves

  5. Dépt. Sc. de la Terre et de l’Atmosphère, Université du Québec, Montréal, Montreal, QC, Canada

    Daniele Pinti

  6. Centro de Astrobiología (CAB), Inst. Nacional de Técnica Aeroespacial, Torrejón de Ardoz, Madrid, Spain

    José Cernicharo Quintanilla

  7. Centre National d'Etudes Spatiale (CNES) DPI/E2U, Paris CX, France

    Michel Viso

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Irvine, W.M. (2018). Titanium Monoxide (TiO). In: Gargaud, M., et al. Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27833-4_5120-2

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  • DOI: https://doi.org/10.1007/978-3-642-27833-4_5120-2

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-27833-4

  • Online ISBN: 978-3-642-27833-4

  • eBook Packages: Springer Reference Physics and AstronomyReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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Chapter history

  1. Latest

    Titanium Monoxide (TiO)
    Published:
    20 August 2018

    DOI: https://doi.org/10.1007/978-3-642-27833-4_5120-2

  2. Original

    TiO
    Published:
    06 May 2015

    DOI: https://doi.org/10.1007/978-3-642-27833-4_5120-1

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