Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements: AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning

Standard

Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements : AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly. . / Denney, K. D.; Assef, R. J.; Horne, K.; Peterson, B. M.; Vestergaard, Marianne.

I: Astronomical Society of the Pacific. Conference Proceedings, Bind 460, 01.08.2012, s. 103.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning

Harvard

Denney, KD, Assef, RJ, Horne, K, Peterson, BM & Vestergaard, M 2012, 'Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements: AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly. ', Astronomical Society of the Pacific. Conference Proceedings, bind 460, s. 103. <http://adsabs.harvard.edu/abs/2012ASPC..460..103D>

APA

Denney, K. D., Assef, R. J., Horne, K., Peterson, B. M., & Vestergaard, M. (2012). Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements: AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly. . Astronomical Society of the Pacific. Conference Proceedings, 460, 103. http://adsabs.harvard.edu/abs/2012ASPC..460..103D

Vancouver

Denney KD, Assef RJ, Horne K, Peterson BM, Vestergaard M. Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements: AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly. . Astronomical Society of the Pacific. Conference Proceedings. 2012 aug. 1;460:103.

Author

Denney, K. D. ; Assef, R. J. ; Horne, K. ; Peterson, B. M. ; Vestergaard, Marianne. / Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements : AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly. . I: Astronomical Society of the Pacific. Conference Proceedings. 2012 ; Bind 460. s. 103.

Bibtex

@article{b6bb146f71c7445aa121ac88e9a8b94b,
title = "Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements: AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly. ",
abstract = "Recent velocity-resolved reverberation mapping results have shown indications of possible outflowing gas from the H{\ss} emitting region of the broad-line region (BLR) in NGC 3227 (Denney et al. 2009, 2010). We show a preliminary velocity-delay map (VDM) from these data that suggests the 2D gas motions could not be fully and accurately interpreted from the 1D velocity-resolved reverberation signal. From the VDM, an outflow component to the emission remains possible but appears to be in addition to an underlying, disk-like BLR structure consistent in size with the measured reverberation lag. The black hole (BH) mass derived from this data is therefore secure from any uncertainties possibly derived from gravitationally unbound gas contributing to the emission. Additionally, we demonstrate that BLR emission from the C IV ¿1549 broad emission line can reliably be used as a virial BH mass estimator. The presence of self-absorption, blueshifts, and asymmetries observed in C IV, and possibly connected with outflows, has raised questions in the literature regarding the reliability of using this line for mass estimates. However, our new results (Assef et al. 2011) show that C IV-based masses are in agreement with those of H{\ss} when (1) data quality is a priority and (2) a color-correction is applied to the luminosity used to compute the mass estimates.",
author = "Denney, {K. D.} and Assef, {R. J.} and K. Horne and Peterson, {B. M.} and Marianne Vestergaard",
year = "2012",
month = aug,
day = "1",
language = "English",
volume = "460",
pages = "103",
journal = "Astronomical Society of the Pacific. Conference Proceedings",
issn = "1050-3390",
publisher = "astronomical society of the pacific",

}

RIS

TY - JOUR

T1 - Evidence for Broad-Line Region Outflows and Their Impact on Black Hole Mass Measurements

T2 - AGN Winds in Charleston. Proceedings of a Conference held 14-21 October, 2011 at the College of Charleston, Charleston, South Carolina, USA. Edited by G. Chartas, F. Hamann, and K.M. Leighly.

AU - Denney, K. D.

AU - Assef, R. J.

AU - Horne, K.

AU - Peterson, B. M.

AU - Vestergaard, Marianne

PY - 2012/8/1

Y1 - 2012/8/1

N2 - Recent velocity-resolved reverberation mapping results have shown indications of possible outflowing gas from the Hß emitting region of the broad-line region (BLR) in NGC 3227 (Denney et al. 2009, 2010). We show a preliminary velocity-delay map (VDM) from these data that suggests the 2D gas motions could not be fully and accurately interpreted from the 1D velocity-resolved reverberation signal. From the VDM, an outflow component to the emission remains possible but appears to be in addition to an underlying, disk-like BLR structure consistent in size with the measured reverberation lag. The black hole (BH) mass derived from this data is therefore secure from any uncertainties possibly derived from gravitationally unbound gas contributing to the emission. Additionally, we demonstrate that BLR emission from the C IV ¿1549 broad emission line can reliably be used as a virial BH mass estimator. The presence of self-absorption, blueshifts, and asymmetries observed in C IV, and possibly connected with outflows, has raised questions in the literature regarding the reliability of using this line for mass estimates. However, our new results (Assef et al. 2011) show that C IV-based masses are in agreement with those of Hß when (1) data quality is a priority and (2) a color-correction is applied to the luminosity used to compute the mass estimates.

AB - Recent velocity-resolved reverberation mapping results have shown indications of possible outflowing gas from the Hß emitting region of the broad-line region (BLR) in NGC 3227 (Denney et al. 2009, 2010). We show a preliminary velocity-delay map (VDM) from these data that suggests the 2D gas motions could not be fully and accurately interpreted from the 1D velocity-resolved reverberation signal. From the VDM, an outflow component to the emission remains possible but appears to be in addition to an underlying, disk-like BLR structure consistent in size with the measured reverberation lag. The black hole (BH) mass derived from this data is therefore secure from any uncertainties possibly derived from gravitationally unbound gas contributing to the emission. Additionally, we demonstrate that BLR emission from the C IV ¿1549 broad emission line can reliably be used as a virial BH mass estimator. The presence of self-absorption, blueshifts, and asymmetries observed in C IV, and possibly connected with outflows, has raised questions in the literature regarding the reliability of using this line for mass estimates. However, our new results (Assef et al. 2011) show that C IV-based masses are in agreement with those of Hß when (1) data quality is a priority and (2) a color-correction is applied to the luminosity used to compute the mass estimates.

M3 - Journal article

VL - 460

SP - 103

JO - Astronomical Society of the Pacific. Conference Proceedings

JF - Astronomical Society of the Pacific. Conference Proceedings

SN - 1050-3390

ER -

ID: 44200523