University of Hertfordshire

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Molecular gas and star formation in local early-type galaxies

Research output: Contribution to journalArticle

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Molecular gas and star formation in local early-type galaxies. / Bureau, M.; Davis, T.A.; Cappellari, M.; Davies, R.L.; Scott, N.; Alatalo, K.; Blitz, L.; Crocker, A.F.; Young, L.M.; Combes, F.; Bois, M.; Emsellem, E.; Lablanche, P.-Y.; Bournaud, F.; De Zeeuw, P.T.; Krajnović, D.; Kuntschner, H.; Duc, P.-A.; Khochfar, S.; McDermid, R.M.; Morganti, R.; Oosterloo, T.; Serra, P.; Naab, T.; Sarzi, M.; Weijmans, A.

In: Proceedings of the International Astronomical Union, Vol. 6, 01.12.2010, p. 55-58.

Research output: Contribution to journalArticle

Harvard

Bureau, M, Davis, TA, Cappellari, M, Davies, RL, Scott, N, Alatalo, K, Blitz, L, Crocker, AF, Young, LM, Combes, F, Bois, M, Emsellem, E, Lablanche, P-Y, Bournaud, F, De Zeeuw, PT, Krajnović, D, Kuntschner, H, Duc, P-A, Khochfar, S, McDermid, RM, Morganti, R, Oosterloo, T, Serra, P, Naab, T, Sarzi, M & Weijmans, A 2010, 'Molecular gas and star formation in local early-type galaxies', Proceedings of the International Astronomical Union, vol. 6, pp. 55-58. https://doi.org/10.1017/S1743921311022459

APA

Bureau, M., Davis, T. A., Cappellari, M., Davies, R. L., Scott, N., Alatalo, K., Blitz, L., Crocker, A. F., Young, L. M., Combes, F., Bois, M., Emsellem, E., Lablanche, P-Y., Bournaud, F., De Zeeuw, P. T., Krajnović, D., Kuntschner, H., Duc, P-A., Khochfar, S., ... Weijmans, A. (2010). Molecular gas and star formation in local early-type galaxies. Proceedings of the International Astronomical Union, 6, 55-58. https://doi.org/10.1017/S1743921311022459

Vancouver

Author

Bureau, M. ; Davis, T.A. ; Cappellari, M. ; Davies, R.L. ; Scott, N. ; Alatalo, K. ; Blitz, L. ; Crocker, A.F. ; Young, L.M. ; Combes, F. ; Bois, M. ; Emsellem, E. ; Lablanche, P.-Y. ; Bournaud, F. ; De Zeeuw, P.T. ; Krajnović, D. ; Kuntschner, H. ; Duc, P.-A. ; Khochfar, S. ; McDermid, R.M. ; Morganti, R. ; Oosterloo, T. ; Serra, P. ; Naab, T. ; Sarzi, M. ; Weijmans, A. / Molecular gas and star formation in local early-type galaxies. In: Proceedings of the International Astronomical Union. 2010 ; Vol. 6. pp. 55-58.

Bibtex

@article{2c44a1fa18a047fdb86f899117295622,
title = "Molecular gas and star formation in local early-type galaxies",
abstract = "The molecular gas content of local early-type galaxies is constrained and discussed in relation to their evolution. First, as part of the ATLAS survey, we present the first complete, large (260 objects), volume-limited single-dish survey of CO in normal local early-type galaxies. We find a surprisingly high detection rate of 22%, independent of luminosity and at best weakly dependent on environment. Second, the extent of the molecular gas is constrained with CO synthesis imaging, and a variety of morphologies is revealed. The kinematics of the molecular gas and stars are often misaligned, implying an external gas origin in over a third of the systems, although this behaviour is drastically diffferent between field and cluster environments. Third, many objects appear to be in the process of forming regular kpc-size decoupled disks, and a star formation sequence can be sketched by piecing together multi-wavelength information on the molecular gas, current star formation, and young stars. Last, early-type galaxies do not seem to systematically obey all our usual prejudices regarding star formation, following the standard Schmidt-Kennicutt law but not the far infrared-radio correlation. This may suggest a greater diversity in star formation processes than observed in disk galaxies. Using multiple molecular tracers, we are thus starting to probe the physical conditions of the cold gas in early-types.",
author = "M. Bureau and T.A. Davis and M. Cappellari and R.L. Davies and N. Scott and K. Alatalo and L. Blitz and A.F. Crocker and L.M. Young and F. Combes and M. Bois and E. Emsellem and P.-Y. Lablanche and F. Bournaud and {De Zeeuw}, P.T. and D. Krajnovi{\'c} and H. Kuntschner and P.-A. Duc and S. Khochfar and R.M. McDermid and R. Morganti and T. Oosterloo and P. Serra and T. Naab and M. Sarzi and A. Weijmans",
note = "Tracing the Ancestry of Galaxies (on the land of our ancestors) Proceedings IAU Symposium No. 277, 2010 C. Carignan, F. Combes & K.C. Freeman, eds.",
year = "2010",
month = dec,
day = "1",
doi = "10.1017/S1743921311022459",
language = "English",
volume = "6",
pages = "55--58",
journal = "Proceedings of the International Astronomical Union",
issn = "1743-9213",
publisher = "Cambridge University Press",

}

RIS

TY - JOUR

T1 - Molecular gas and star formation in local early-type galaxies

AU - Bureau, M.

AU - Davis, T.A.

AU - Cappellari, M.

AU - Davies, R.L.

AU - Scott, N.

AU - Alatalo, K.

AU - Blitz, L.

AU - Crocker, A.F.

AU - Young, L.M.

AU - Combes, F.

AU - Bois, M.

AU - Emsellem, E.

AU - Lablanche, P.-Y.

AU - Bournaud, F.

AU - De Zeeuw, P.T.

AU - Krajnović, D.

AU - Kuntschner, H.

AU - Duc, P.-A.

AU - Khochfar, S.

AU - McDermid, R.M.

AU - Morganti, R.

AU - Oosterloo, T.

AU - Serra, P.

AU - Naab, T.

AU - Sarzi, M.

AU - Weijmans, A.

N1 - Tracing the Ancestry of Galaxies (on the land of our ancestors) Proceedings IAU Symposium No. 277, 2010 C. Carignan, F. Combes & K.C. Freeman, eds.

PY - 2010/12/1

Y1 - 2010/12/1

N2 - The molecular gas content of local early-type galaxies is constrained and discussed in relation to their evolution. First, as part of the ATLAS survey, we present the first complete, large (260 objects), volume-limited single-dish survey of CO in normal local early-type galaxies. We find a surprisingly high detection rate of 22%, independent of luminosity and at best weakly dependent on environment. Second, the extent of the molecular gas is constrained with CO synthesis imaging, and a variety of morphologies is revealed. The kinematics of the molecular gas and stars are often misaligned, implying an external gas origin in over a third of the systems, although this behaviour is drastically diffferent between field and cluster environments. Third, many objects appear to be in the process of forming regular kpc-size decoupled disks, and a star formation sequence can be sketched by piecing together multi-wavelength information on the molecular gas, current star formation, and young stars. Last, early-type galaxies do not seem to systematically obey all our usual prejudices regarding star formation, following the standard Schmidt-Kennicutt law but not the far infrared-radio correlation. This may suggest a greater diversity in star formation processes than observed in disk galaxies. Using multiple molecular tracers, we are thus starting to probe the physical conditions of the cold gas in early-types.

AB - The molecular gas content of local early-type galaxies is constrained and discussed in relation to their evolution. First, as part of the ATLAS survey, we present the first complete, large (260 objects), volume-limited single-dish survey of CO in normal local early-type galaxies. We find a surprisingly high detection rate of 22%, independent of luminosity and at best weakly dependent on environment. Second, the extent of the molecular gas is constrained with CO synthesis imaging, and a variety of morphologies is revealed. The kinematics of the molecular gas and stars are often misaligned, implying an external gas origin in over a third of the systems, although this behaviour is drastically diffferent between field and cluster environments. Third, many objects appear to be in the process of forming regular kpc-size decoupled disks, and a star formation sequence can be sketched by piecing together multi-wavelength information on the molecular gas, current star formation, and young stars. Last, early-type galaxies do not seem to systematically obey all our usual prejudices regarding star formation, following the standard Schmidt-Kennicutt law but not the far infrared-radio correlation. This may suggest a greater diversity in star formation processes than observed in disk galaxies. Using multiple molecular tracers, we are thus starting to probe the physical conditions of the cold gas in early-types.

UR - http://www.scopus.com/inward/record.url?scp=83655191641&partnerID=8YFLogxK

U2 - 10.1017/S1743921311022459

DO - 10.1017/S1743921311022459

M3 - Article

AN - SCOPUS:83655191641

VL - 6

SP - 55

EP - 58

JO - Proceedings of the International Astronomical Union

JF - Proceedings of the International Astronomical Union

SN - 1743-9213

ER -