B. M. Peterson

Reverberation Mapping Results from MDM Observatory (2009)

Denney, Kelly D., Peterson, B. M., Pogge, R. W., Bentz, M. C., Gaskell, C. M., Minezaki, T., ...

We present results from a multi-month reverberation mapping campaign undertaken primarily at MDM Observatory with supporting observations from around the world. We measure broad line region (BLR)...

Diverse Broad Line Region Kinematic Signatures From Reverberation Mapping (2009)

Denney, K. D., Peterson, B. M., Pogge, R. W., Adair, A., Atlee, D. W., Au-Yong, K., ...

A detailed analysis of the data from a high sampling rate, multi-month reverberation mapping campaign, undertaken primarily at MDM Observatory with supporting observations from telescopes around the...

A Revised Broad-Line Region Radius and Black Hole Mass for the Narrow-Line Seyfert 1 NGC 4051 (2009)

Denney, K. D., Watson, L. C., Peterson, B. M., Pogge, R. W., Atlee, D. W., Bentz, M. C., ...

We present the first results from a high sampling rate, multi-month reverberation mapping campaign undertaken primarily at MDM Observatory with supporting observations from telescopes around the...

The Mass of the Black Hole in the Quasar PG 2130+099 (2008)

Grier, C. J., Peterson, B. M., Bentz, M. C., Denney, K. D., Eastman, J. D., Dietrich, M., ...

We present the results of a recent reverberation-mapping campaign undertaken to improve measurements of the radius of the broad line region and the central black hole mass of the quasar PG 2130+099....

High-ionization mid-infrared lines as black hole mass and bolometric luminosity indicators in active galactic nuclei (2008)

Dasyra, K. M., Ho, L. C., Armus, L., Ogle, P., Helou, G., Peterson, B. M., ...

We present relations of the black hole mass and the optical luminosity with the velocity dispersion and the luminosity of the [Ne v] and the [O iv] high-ionization lines in the mid-infrared (MIR) for...

High-ionization mid-infrared lines as black hole mass and bolometric luminosity indicators in active galactic nuclei (2008)

Dasyra, K. M., Ho, L. C., Armus, L., Ogle, P., Helou, G., Peterson, B. M., ...

THE QUEST FOR THE DRIVING FORCE IN ACTIVE GALACTIC NUCLEI B.M. Peterson (2007)

Collier Horne, B. M. Peterson, S. Collier, K. Horne

Multiwavelength monitoring of continuum variability in active galactic nuclei (AGNs) can strongly constrain the emission mechanisms at work in these sources. For example, the first intensive...

High-ionization mid-infrared lines as black hole mass and bolometric luminosity indicators in active galactic nuclei (2007)

Dasyra, K. M., Ho, L. C., Armus, L., Ogle, P., Helou, G., Peterson, B. M., ...

We present relations of the black hole mass and the optical luminosity with the velocity dispersion and the luminosity of the [Ne V] and the [O IV] high-ionization lines in the mid-infrared (MIR) for...

Host dynamics and origin of Palomar-Green QSOs (2006)

Dasyra, K. M., Tacconi, L. J., Davies, R. I., Genzel, R., Lutz, D., Peterson, B. M., ...

We present host-galaxy velocity dispersions of 12 local (mainly Palomar-Green) quasi-stellar objects (QSOs) measured directly from the stellar CO absorption features in the H band. The mean bulge...

Determining Central Black Hole Masses in Distant Active Galaxies and Quasars. II. Improved Optical and UV Scaling Relationships (2006)

Vestergaard, M., Peterson, B. M.

We present four improved empirical relationships useful for estimating the central black hole mass in nearby AGNs and distant luminous quasars alike using either optical or UV single-epoch...

The Ionized Gas and Nuclear Environment in NGC 3783. I. Time-Averaged 900 ks Chandra Grating Spectroscopy (2002)

Kaspi, S., Brandt, W. N., George, I. M., Netzer, H., Crenshaw, D. M., Gabel, J. R., ...

We present results from a 900 ks exposure of NGC 3783 with the High-Energy Transmission Grating Spectrometer on board the Chandra X-ray Observatory. The resulting X-ray spectrum has the best...

MULTIWAVELENGTH MONITORING OF THE NARROW-LINE SEYFERT 1 GALAXY ARAKELIAN 564. III. OPTICAL OBSERVATIONS AND THE OPTICAL--UV--X-RAY CONNECTION (2001)

Shemmer, O., Romano, P., Bertram, R., Brinkmann, W., Collier, S., Crowley, K. A., ...

We present the results of a 2 yr long optical monitoring program of the narrow-line Seyfert 1 galaxy Ark 564. The majority of this monitoring project was also covered by X-ray observations (RXT E),...

Central Masses and Broad-Line Region Sizes of Active Galactic Nuclei: I. Comparing the Photoionization and Reverberation Techniques (1999)

Wandel, A., Peterson, B. M., Malkan, M. A.

The masses and emission-line region sizes of Active Galactic Nuclei (AGNs) can be measured by ``reverberation-mapping'' (measuring the lag of the emission-line luminosity after changes in the...

STEPS TOWARD DETERMINATION OF THE SIZE AND STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI. XIII. ULTRAVIOLET OBSERVATIONS OF THE BROAD-LINE RADIO GALAXY 3C 390.3 (1998)

O'Brien, P. T., Dietrich, M., Leighly, K., Alloin, D., Clavel, J., Crenshaw, D. M., ...

As part of an extensive multi-wavelength monitoring campaign, the International Ultraviolet Explorer satellite was used to observe the broad-line radio galaxy 3C 390.3 during the period 1994 December...

Steps Toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. XIV. Intensive Optical Spectrophotometric Observations of NGC 7469 (1998)

Collier, S.J., Horne, Keith, Kaspi, S., Netzer, H., Peterson, B.M., Wanders, I., ...

We present results of an intensive 2 month campaign of ground-based spectrophotometric monitoring of the Seyfert 1 galaxy NGC 7469, with a temporal resolution [approximately less than]1 day. The...

STEPS TOWARD DETERMINATION OF THE SIZE AND STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI. XII. GROUND-BASED MONITORING OF 3C 390.3 (1998)

Dietrich, M., Peterson, B.M., Albrecht, P., Altmann, M., Barth, A.J., Bennie, P.J., ...

Results of a ground-based optical monitoring campaign on 3C 390.3 in 1994-1995 are presented. The broadband fluxes (B, V , R, and I), the spectrophotometric optical continuum flux Fλ(5177 Å),...

Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. XII. Ground-based Monitoring of 3C 390.3 (1998)

Dietrich, M, Peterson, B. M, Albrecht, P, Altmann, M, Barth, A. J, Bennie, P. J, ...

Results of a ground-based optical monitoring campaign on 3C 390.3 in 1994-1995 are presented. The broadband fluxes (B, V, R, and I), the spectrophotometric optical continuum flux F lambda (5177 A),...

STEPS TOWARD DETERMINATION OF THE SIZE AND STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI. XI. INTENSIVE MONITORING OF THE ULTRAVIOLET SPECTRUM OF NGC 7469 (1997)

Wanders, I., Peterson, B.M., Alloin, D., Ayres, T.R., Clavel, J., Crenshaw, D.M., ...

From 1996 June 10 to July 29, the International Ultraviolet Explorer monitored the Seyfert 1 galaxy NGC 7469 continuously in an attempt to measure time delays between the continuum and emission-line...

Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. X. Variability of Fairall 9 from Optical Data (1997)

Santos-Lleo, M, Chatzichristou, E, De Oliveira, C. M, Winge, C, Alloin, D, Peterson, B. M, ...

The results of an optical monitoring campaign on the active nucleus in the luminous Seyfert 1 galaxy Fairall 9 are presented. This campaign was undertaken in parallel with ultraviolet spectroscopic...

STEPS TOWARD DETERMINATION OF THE SIZE AND STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI. IX. ULTRAVIOLET OBSERVATIONS OF FAIRALL (1997)

Rodriguez-Pascual, P.M., Allion, D., Clavel, J., Crenshaw, D.M., Horne, K., Kriss, G.A., ...

Neutron angular distributions from the breakup of $^{19}$C (1995)

Angélique, J C, Axelsson, L, Bizard, G, Catford, W N, Clarke, N M, Costa, G, ...