Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program

Research output: Working paperResearchpeer-review

Standard

Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program. / Batiste, Merida; Bentz, Misty C.; Manne-Nicholas, Emily; Raimundo, Sandra I.; Onken, Christopher A.; Vestergaard, Marianne; Bershady, Matthew A.

American Astronomical Society, AAS Meeting #229, 2017.

Research output: Working paperResearchpeer-review

Harvard

Batiste, M, Bentz, MC, Manne-Nicholas, E, Raimundo, SI, Onken, CA, Vestergaard, M & Bershady, MA 2017 'Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program' American Astronomical Society, AAS Meeting #229. <http://adsabs.harvard.edu/abs/2017AAS...22931901B>

APA

Batiste, M., Bentz, M. C., Manne-Nicholas, E., Raimundo, S. I., Onken, C. A., Vestergaard, M., & Bershady, M. A. (2017). Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program. American Astronomical Society, AAS Meeting #229. http://adsabs.harvard.edu/abs/2017AAS...22931901B

Vancouver

Batiste M, Bentz MC, Manne-Nicholas E, Raimundo SI, Onken CA, Vestergaard M et al. Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program. American Astronomical Society, AAS Meeting #229. 2017 Jan 1.

Author

Batiste, Merida ; Bentz, Misty C. ; Manne-Nicholas, Emily ; Raimundo, Sandra I. ; Onken, Christopher A. ; Vestergaard, Marianne ; Bershady, Matthew A. / Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program. American Astronomical Society, AAS Meeting #229, 2017.

Bibtex

@techreport{0b00bada65284cc6994f900a707f0d56,
title = "Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program",
abstract = "The MBH - σ* relation for AGN, which relates the mass of the central supermassive black hole (MBH) to the bulge stellar velocity dispersion (σ*) of the host galaxy, is a powerful tool for studying the evolution of structure across cosmic time. Accurate calibration of this relation is essential, and much effort has been put into improving MBH determinations with this in mind. However calibration remains difficult because many nearby AGN with secure MBH determinations are hosted by late-type galaxies, with significant kinematic substructure such as bars, disks and rings. Kinematic substructure is known to contaminate and bias σ* determinations from long-slit and single aperture spectroscopy, ultimately limiting the utility of the MBH - σ* relation, and hampering efforts to investigate morphological dependencies. Integral-field spectroscopy (IFS) can be used to map the two dimensional kinematics, providing a method for measuring σ* absent some of the biases inherent in other methods, and giving a more complete picture of the spatial variations in the dynamics. We present the first set of results from the BRAVE program, the long-term goal of which is to use IFS to more accurately determine σ* for the calibrating sample of reverberation-mapped AGN. We present IFS kinematic maps for the sample of galaxies we have so far observed, which show clearly how spatial variation can impact σ* determinations from long-slit spectroscopy. We present a new fit to the MBH - σ* relation for the sample of 16 reverberation-mapped AGN for which we currently have σ* determinations from IFS, as well as a new determination of the virial scaling factor, f, for use with reverberation-mapping.",
author = "Merida Batiste and Bentz, {Misty C.} and Emily Manne-Nicholas and Raimundo, {Sandra I.} and Onken, {Christopher A.} and Marianne Vestergaard and Bershady, {Matthew A.}",
year = "2017",
month = jan,
day = "1",
language = "English",
volume = " Meeting 229",
publisher = "American Astronomical Society, AAS Meeting #229",
type = "WorkingPaper",
institution = "American Astronomical Society, AAS Meeting #229",

}

RIS

TY - UNPB

T1 - Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program

AU - Batiste, Merida

AU - Bentz, Misty C.

AU - Manne-Nicholas, Emily

AU - Raimundo, Sandra I.

AU - Onken, Christopher A.

AU - Vestergaard, Marianne

AU - Bershady, Matthew A.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - The MBH - σ* relation for AGN, which relates the mass of the central supermassive black hole (MBH) to the bulge stellar velocity dispersion (σ*) of the host galaxy, is a powerful tool for studying the evolution of structure across cosmic time. Accurate calibration of this relation is essential, and much effort has been put into improving MBH determinations with this in mind. However calibration remains difficult because many nearby AGN with secure MBH determinations are hosted by late-type galaxies, with significant kinematic substructure such as bars, disks and rings. Kinematic substructure is known to contaminate and bias σ* determinations from long-slit and single aperture spectroscopy, ultimately limiting the utility of the MBH - σ* relation, and hampering efforts to investigate morphological dependencies. Integral-field spectroscopy (IFS) can be used to map the two dimensional kinematics, providing a method for measuring σ* absent some of the biases inherent in other methods, and giving a more complete picture of the spatial variations in the dynamics. We present the first set of results from the BRAVE program, the long-term goal of which is to use IFS to more accurately determine σ* for the calibrating sample of reverberation-mapped AGN. We present IFS kinematic maps for the sample of galaxies we have so far observed, which show clearly how spatial variation can impact σ* determinations from long-slit spectroscopy. We present a new fit to the MBH - σ* relation for the sample of 16 reverberation-mapped AGN for which we currently have σ* determinations from IFS, as well as a new determination of the virial scaling factor, f, for use with reverberation-mapping.

AB - The MBH - σ* relation for AGN, which relates the mass of the central supermassive black hole (MBH) to the bulge stellar velocity dispersion (σ*) of the host galaxy, is a powerful tool for studying the evolution of structure across cosmic time. Accurate calibration of this relation is essential, and much effort has been put into improving MBH determinations with this in mind. However calibration remains difficult because many nearby AGN with secure MBH determinations are hosted by late-type galaxies, with significant kinematic substructure such as bars, disks and rings. Kinematic substructure is known to contaminate and bias σ* determinations from long-slit and single aperture spectroscopy, ultimately limiting the utility of the MBH - σ* relation, and hampering efforts to investigate morphological dependencies. Integral-field spectroscopy (IFS) can be used to map the two dimensional kinematics, providing a method for measuring σ* absent some of the biases inherent in other methods, and giving a more complete picture of the spatial variations in the dynamics. We present the first set of results from the BRAVE program, the long-term goal of which is to use IFS to more accurately determine σ* for the calibrating sample of reverberation-mapped AGN. We present IFS kinematic maps for the sample of galaxies we have so far observed, which show clearly how spatial variation can impact σ* determinations from long-slit spectroscopy. We present a new fit to the MBH - σ* relation for the sample of 16 reverberation-mapped AGN for which we currently have σ* determinations from IFS, as well as a new determination of the virial scaling factor, f, for use with reverberation-mapping.

M3 - Working paper

VL - Meeting 229

BT - Improving Calibration of the MBH-σ* Relation for AGN with the BRAVE Program

PB - American Astronomical Society, AAS Meeting #229

ER -

ID: 209704732