Fast and slow rotators: The build-up of the red sequence

Eric Emsellem; Michele Cappellari; Davor Krajnović; Glenn Van De Ven; R. Bacon; M. Bureau; Roger L. Davies; P. T. De Zeeuw; Jesús Falcón-Barroso; Harald Kuntschner; Richard M. McDermid; Reynier F. Peletier; Marc Sarzi; Remco C.E. Van Den Bosch

doi:10.1017/S1743921308017158

Fast and slow rotators: The build-up of the red sequence

Eric Emsellem^*, Michele Cappellari, Davor Krajnović, Glenn Van De Ven, R. Bacon, M. Bureau, Roger L. Davies, P. T. De Zeeuw, Jesús Falcón-Barroso, Harald Kuntschner, Richard M. McDermid, Reynier F. Peletier, Marc Sarzi, Remco C.E. Van Den Bosch

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Using the unique dataset obtained within the course of the SAURON project, a radically new view of the structure, dynamics and stellar populations of early-type galaxies has emerged. We show that galaxies come in two broad flavours (slow and fast rotators), depending on whether or not they exhibit clear large-scale rotation, as indicated via a robust measure of the specific angular momentum of baryons. This property is also linked with other physical characteristics of early-type galaxies, such as: the presence of dynamically decoupled cores, orbital structure and anisotropy, stellar populations and dark matter content. I here report on the observed link between this baryonic angular momentum and a mass sequence, and how this uniquely relates to the building of the red sequence via dissipative/dissipationless mergers and secular evolution.

Original language	English
Pages (from-to)	11-14
Number of pages	4
Journal	Proceedings of the International Astronomical Union
Volume	3
Issue number	S245
DOIs	https://doi.org/10.1017/S1743921308017158
Publication status	Published - Jul 2007
Externally published	Yes

Keywords

CD
Galaxies: elliptical and lenticular
Galaxies: evolution
Galaxies: stellar dynamics

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10.1017/S1743921308017158

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Emsellem, E., Cappellari, M., Krajnović, D., Van De Ven, G., Bacon, R., Bureau, M., Davies, R. L., De Zeeuw, P. T., Falcón-Barroso, J., Kuntschner, H., McDermid, R. M., Peletier, R. F., Sarzi, M., & Van Den Bosch, R. C. E. (2007). Fast and slow rotators: The build-up of the red sequence. Proceedings of the International Astronomical Union, 3(S245), 11-14. https://doi.org/10.1017/S1743921308017158

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title = "Fast and slow rotators: The build-up of the red sequence",

abstract = "Using the unique dataset obtained within the course of the SAURON project, a radically new view of the structure, dynamics and stellar populations of early-type galaxies has emerged. We show that galaxies come in two broad flavours (slow and fast rotators), depending on whether or not they exhibit clear large-scale rotation, as indicated via a robust measure of the specific angular momentum of baryons. This property is also linked with other physical characteristics of early-type galaxies, such as: the presence of dynamically decoupled cores, orbital structure and anisotropy, stellar populations and dark matter content. I here report on the observed link between this baryonic angular momentum and a mass sequence, and how this uniquely relates to the building of the red sequence via dissipative/dissipationless mergers and secular evolution.",

keywords = "CD, Galaxies: elliptical and lenticular, Galaxies: evolution, Galaxies: stellar dynamics",

author = "Eric Emsellem and Michele Cappellari and Davor Krajnovi{\'c} and {Van De Ven}, Glenn and R. Bacon and M. Bureau and Davies, {Roger L.} and {De Zeeuw}, {P. T.} and Jes{\'u}s Falc{\'o}n-Barroso and Harald Kuntschner and McDermid, {Richard M.} and Peletier, {Reynier F.} and Marc Sarzi and {Van Den Bosch}, {Remco C.E.}",

year = "2007",

month = jul,

doi = "10.1017/S1743921308017158",

language = "English",

volume = "3",

pages = "11--14",

journal = "Proceedings of the International Astronomical Union",

issn = "1743-9213",

publisher = "Cambridge University Press (CUP)",

number = "S245",

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Emsellem, E, Cappellari, M, Krajnović, D, Van De Ven, G, Bacon, R, Bureau, M, Davies, RL, De Zeeuw, PT, Falcón-Barroso, J, Kuntschner, H, McDermid, RM, Peletier, RF, Sarzi, M & Van Den Bosch, RCE 2007, 'Fast and slow rotators: The build-up of the red sequence', Proceedings of the International Astronomical Union, vol. 3, no. S245, pp. 11-14. https://doi.org/10.1017/S1743921308017158

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T1 - Fast and slow rotators

T2 - The build-up of the red sequence

AU - Emsellem, Eric

AU - Cappellari, Michele

AU - Krajnović, Davor

AU - Van De Ven, Glenn

AU - Bacon, R.

AU - Bureau, M.

AU - Davies, Roger L.

AU - De Zeeuw, P. T.

AU - Falcón-Barroso, Jesús

AU - Kuntschner, Harald

AU - McDermid, Richard M.

AU - Peletier, Reynier F.

AU - Sarzi, Marc

AU - Van Den Bosch, Remco C.E.

PY - 2007/7

Y1 - 2007/7

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AB - Using the unique dataset obtained within the course of the SAURON project, a radically new view of the structure, dynamics and stellar populations of early-type galaxies has emerged. We show that galaxies come in two broad flavours (slow and fast rotators), depending on whether or not they exhibit clear large-scale rotation, as indicated via a robust measure of the specific angular momentum of baryons. This property is also linked with other physical characteristics of early-type galaxies, such as: the presence of dynamically decoupled cores, orbital structure and anisotropy, stellar populations and dark matter content. I here report on the observed link between this baryonic angular momentum and a mass sequence, and how this uniquely relates to the building of the red sequence via dissipative/dissipationless mergers and secular evolution.

KW - CD

KW - Galaxies: elliptical and lenticular

KW - Galaxies: evolution

KW - Galaxies: stellar dynamics

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DO - 10.1017/S1743921308017158

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JO - Proceedings of the International Astronomical Union

JF - Proceedings of the International Astronomical Union

SN - 1743-9213

IS - S245

ER -

Fast and slow rotators: The build-up of the red sequence

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Keywords

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