C. Gaskell

发表

Lognormal X-Ray Flux Variations in an Extreme Narrow-Line Seyfert 1 Galaxy

C. Gaskell, C. Martin Gaskell, 2004 .

Line variations in quasars and Seyfert galaxies

C. M. Gaskell, Linda S. Sparke, L. Sparke, 1986 .

Direct Evidence for Gravitational Domination of the Motion of Gas within One Light-Week of the Central Object in NGC 4151 and the Determination of the Mass of the Probable Black Hole

C. Gaskell, 1988 .

Emission-line variability of Fairall 9 - Determination of the size of the broad-line region and the direction of gas motion

C. Gaskell, A. Koratkar, 1989 .

Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. I, an 8 month campaign of monitoring NGC 5548 with IUE

Wei Zheng, Noah Brosch, Paul S. Smith, 1991 .

DIVERSE KINEMATIC SIGNATURES FROM REVERBERATION MAPPING OF THE BROAD-LINE REGION IN AGNs

J. Bird, K. Schlesinger, A. Kruse, 2009 .

The case for inflow of the broad-line region of active galactic nuclei

R. Goosmann, C. Gaskell, 2015, 1512.08900.

Modeling optical and UV polarization of AGNs III. From uniform-density to clumpy regions

F. Marin, R. Goosmann, C. Gaskell, 2015, 1503.05311.

X-ray/ultraviolet observing campaign of the Markarian 279 active galactic nucleus outflow : a close look at the absorbing/emitting gas with Chandra-LETGS

Technion, Stsci, U. Colorado, 2006, astro-ph/0609385.

Evidence for Binary Orbital Motion of a Quasar Broad-Line Region

C. Gaskell, 1996, astro-ph/9605185.

Astronomy: A giant black hole at the centre of a dwarf galaxy

C. Gaskell, 1985, Nature.

A spectroscopic and photometric study of short-timescale variability in NGC 5548 ?;??

V. V. Vlasyuk, J. Huchra, M. Dietrich, 2001, astro-ph/0104207.

Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. III. Further observations of NGC 5548 at optical wavelengths

A. S. Monk, Yu. F. Malkov, R. J. Leacock, 1992 .

The Quasar Family — An Introduction and Taxonomy

C. Gaskell, 1987 .

REVERBERATION MAPPING MEASUREMENTS OF BLACK HOLE MASSES IN SIX LOCAL SEYFERT GALAXIES

M. C. Bentz, S. G. Sergeev, V. T. Doroshenko, 2010, 1006.4160.

Off-Axis Energy Generation in Active Galactic Nuclei: Explaining Broad-Line Profiles, Spectropolarimetric Observations, and Velocity-Resolved Reverberation Mapping

C. Gaskell, 2010, 1008.1057.

The Accuracy of Cross-Correlation Estimates of Quasar Emission-Line Region Sizes

B. Peterson, C. Gaskell, 1987 .

OPTICAL VARIABILITY OF NARROW-LINE SEYFERT 1 GALAXIES

C. Gaskell, C. H. Hedrick, E. Klimek, 2004, astro-ph/0403334.

The Nuclear Reddening Curve for Active Galactic Nuclei and the Shape of the Infrared to X-Ray Spectral Energy Distribution

R. Antonucci, R. Goosmann, C. Gaskell, 2003, astro-ph/0309595.

The Case for Optically Thick High-Velocity Broad-Line Region Gas in Active Galactic Nuclei

S. Snedden, C. Gaskell, 2004, astro-ph/0402508.

A REVISED BROAD-LINE REGION RADIUS AND BLACK HOLE MASS FOR THE NARROW-LINE SEYFERT 1 NGC 4051

J. Bird, K. Schlesinger, A. Kruse, 2009, 0904.0251.

Hubble Space Telescope Ultraviolet Spectroscopy of 14 Low-Redshift Quasars

P. Hall, L. Wisotzki, S. Snedden, 2006, astro-ph/0610435.

Modeling optical and UV polarization of AGNs - II. Polarization imaging and complex reprocessing

F. Marin, M. Dovčiak, R. Goosmann, 2012, 1209.2915.

Discovery of Highly Blueshifted Broad Balmer and Metastable Helium Absorption Lines in a Tidal Disruption Event

M. Graham, S. Gezari, R. Foley, 2019, The Astrophysical Journal.

Structure and kinematics of the broad-line regions in active galaxies from IUE variability data

C. Gaskell, A. Koratkar, 1991 .

Long-term optical and X-ray variability of the Seyfert galaxy Markarian 79

Tokyo, Michigan., Ukraine, 2008, 0812.0810.

Old stellar populations. I. A spectroscopic comparison of galactic globular clusters, M 31 globular clusters, and elliptical galaxies.

David Burstein, Sandra M. Faber, C. M. Gaskell, 1984 .

ACCRETION DISKS AND THE NATURE AND ORIGIN OF AGN CONTINUUM VARIABILITY

C. Gaskell, Martin Gaskell, 2007, 0711.2113.

Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. 5: Variability of the ultraviolet continuum and emission lines of NGC 3783

H. R. Miller, M. C. Recondo-Gonzalez, M. N. England, 1994 .

Hubble Space Telescope Ultraviolet Spectroscopy of 14 Low-Redshift Quasars

P. Hall, L. Wisotzki, S. Snedden, 2006, astro-ph/0610435.

The Relative Wavelength Independence of IR Time Lags in NGC 4151 during the Years 2010–2015

C. Gaskell, N. V. Metlova, V. Shenavrin, 2019, Astronomy Letters.

The location of the dust causing internal reddening of active galactic nuclei

C. Gaskell, Clio Z. P. Heard, 2016, 1606.08914.

Off-axis irradiation and the polarization of broad emission lines in active galactic nuclei

F. Marin, R. Goosmann, C. Gaskell, 2013, 1311.2249.

Supermassive binaries and extragalactic jets

M. Gaskell, C. Gaskell, 1996, astro-ph/9605175.

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

L. Ho, R. Vio, M. Malkan, 1998, astro-ph/9806216.

AGN Variability from X-Rays to Radio Waves

B. Peterson, S. Sergeev, I. McHardy, 2006 .

THEORETICAL HYDROGEN-LINE RATIOS FOR THE NARROW-LINE REGIONS OF ACTIVE GALACTIC NUCLEI

G. Ferland, C. Gaskell, 1984 .

A spectroscopic and photometric study of short-timescale variability in NGC 5548 ?;??

V. V. Vlasyuk, J. Huchra, M. Dietrich, 2001, astro-ph/0104207.

Optical Variability of Narrow-Line Seyfert 1 Galaxies

C. Gaskell, C. H. Hedrick, E. Klimek, 2004, astro-ph/0403334.

PKS 0119-046 and the origin of infalling absorption-line systems in quasars

C. Gaskell, 1983 .

Evidence for Binary Orbital Motion of a Quasar Broad-Line Region

M. Gaskell, C. Gaskell, C., 1996, astro-ph/9605185.

The production of strong, broad He ii emission after the tidal disruption of a main-sequence star by a supermassive black hole

C. Gaskell, P. R. Lobos, 2013, 1310.1104.

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

H. R. Miller, Yu. F. Malkov, J. Braun, 1998, astro-ph/9801303.

Double peaked broad line profiles — edge on accretion disks or double quasar nuclei?

C. Gaskell, 1988 .

X-Ray/Ultraviolet Observing Campaign of the Markarian 279 Active Galactic Nucleus Outflow: A Global-Fitting Analysis of the Ultraviolet Absorption

M. Sako, K. Korista, F. Paerels, 2005 .

Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. IV - Intensity variations of the optical emission lines of NGC 5548

Paul S. Smith, T. Boroson, S. Veilleux, 1993 .

DIVERSE KINEMATIC SIGNATURES FROM REVERBERATION MAPPING OF THE BROAD-LINE REGION IN AGNs

J. Bird, K. Schlesinger, A. Kruse, 2009, 0908.0327.

Variability of Active Galactic Nuclei from the Optical to X-ray Regions

C. Gaskell, E. Klimek, 2003, 0907.1415.

The curtain remains open: NGC 2617 continues in a high state

V. Lipunov, E. Gorbovskoy, K. Malanchev, 2017, 1701.05042.

Radius-luminosity and mass-luminosity relationships for active galactic nuclei

C. Gaskell, A. Koratkar, 1991 .

Type Ib Supernovae 1983n and 1985f: Oxygen-rich Late Time Spectra

E. Cappellaro, J. Wheeler, R. Harkness, 1986 .

Type II-L supernovae-standard bombs

C. Gaskell, 1992 .

Close supermassive binary black holes

T. Boroson, C. Gaskell, T. R. Lauer, 2009, Nature.

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

G. A. Reichert, B. M. Peterson, D. M. Crenshaw, 1998, astro-ph/9806216.

The case for cases B and C: intrinsic hydrogen line ratios of the broad-line region of active galactic nuclei, reddenings, and accretion disc sizes

C. Gaskell, 2015, 1512.09291.

On the size of the broad-line region in Arakelian 120

B. Peterson, C. Gaskell, 1991 .

Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. IX. Ultraviolet Observations of Fairall 9

Claudia Winge, Gerard A. Kriss, Bradley M. Peterson, 1997 .

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

Bradley M. Peterson, S. G. Sergeev, Shai Kaspi, 1998 .

Correlation of near-infrared and optical variability of NGC 4151 in 2008–2013

B. Artamonov, C. Gaskell, N. V. Metlova, 2014 .

The Case for Optically Thick High-Velocity Broad-Line Region Gas in Active Galactic Nuclei

S. Snedden, C. Gaskell, 2004, astro-ph/0402508.

Abundances of refractory elements in quasars

C. Gaskell, G. Shields, E. Wampler, 1981 .

Inflow of the Broad-Line Region and the Fundamental Limitations of Reverberation Mapping

C. Gaskell, 2009, 0910.3945.

An Improved Black Hole Mass - Bulge Luminosity Relationship for AGNs

J. Kormendy, C. Gaskell, 2009, 0907.1652.

Relative quasar luminosities determined from emission line strengths

J. Baldwin, W. L. Burke, C. Gaskell, 1978, Nature.

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

Gerard A. Kriss, P. T. O'Brien, Bradley M. Peterson, 1997 .

Galactic mergers, starburst galaxies, quasar activity and massive binary black holes

C. Gaskell, 1985, Nature.

An Improved [O III] Line Width to Stellar Velocity Dispersion Calibration: Curvature, Scatter, and Lack of Evolution in the Black-Hole Mass Versus Stellar Velocity Dispersion Relationship

C. Gaskell, 2009, 0908.0328.

AGN Reddening and Ultraviolet Extinction Curves from Hubble Space Telescope Spectra

C. Gaskell, A. J. Benker, 2007, 0711.1013.

IUE observations of NGC 5548, 1978-1988 : The sizes and kinematics of the broad-line region

C. Gaskell, A. Koratkar, 1991 .

The shape of the ultraviolet continuum of quasars and intergalactic dust

C. Gaskell, A. Koratkar, F. Cheng, 1991 .

DISCOVERY OF POLARIZATION REVERBERATION IN NGC 4151

N. M. Shakhovskoy, R. Goosmann, C. Gaskell, 2007, 0711.1019.

Emission-line variability of three Seyfert galaxies

B. Peterson, C. Gaskell, 1986 .

Observational evidence for the radiative acceleration of broad-line clouds in Seyfert 1 galaxies and quasars

C. Gaskell, 1985 .

Spectrophotometry of two complete samples of flat radio spectrum quasars

J. Baldwin, W. L. Burke, C. Gaskell, 1984 .

Astronomy: A hidden quasar revealed

C. Gaskell, 1986, Nature.

A New Luminosity Function for Type II Supernovae and the Frequency of Supernovae like 1987A

C. Gaskell, M. Schmitz, 1989 .

Evidence for Two Kinematically Distinct Broad Emission Line Producing Regions in Active Galactic Nuclei

S. Snedden, C. Gaskell, 2006 .

Astronomy: Black holes, accretion discs and Seyfert galaxies

C. Gaskell, 1984, Nature.

Reverberation Mapping Results from MDM Observatory

B. Peterson, R. Pogge, M. Bentz, 2009, Proceedings of the International Astronomical Union.

A look at what is (and isn’t) known about quasar broad line regions and how narrow-line Seyfert 1 galaxies fit in

C. Gaskell, 2000, astro-ph/0005151.

The Nature and Origin of Structure in Broad Emission Line Profiles

S. Snedden, C. Gaskell, 1997 .

4 OPTICAL VARIABILITY OF NARROW-LINE SEYFERT 1 GALAXIES

C. Gaskell, C. H. Hedrick, E. Klimek, 2004 .

INVESTIGATIONS OF BROAD LINE REGION STRUCTURE AND KINEMATICS USING VARIABILITY

C. Gaskell, L. Sparke, A. Koratkar, 1989 .

Astronomy: What triggers a quasar?

C. Gaskell, 1984, Nature.

An Analysis of Broad Emission-Line Profiles from HST Data

S. Snedden, C. Gaskell, 1997 .

Reddening of narrow line regions

C. Gaskell, Adam Wysota, 1988 .

A Photometry Campaign for IR Geminorum in Quiescence

H. Fu, K. Leung, Zong-yun Li, 2004 .

LINE SHIFTS, BROAD-LINE REGION INFLOW, AND THE FEEDING OF ACTIVE GALACTIC NUCLEI

R. Goosmann, C. Gaskell, 2008, 0805.4258.

Off-Axis Variability of AGNs: A New Paradigm for Broad Lines and Continuum Emitting Regions

C. Gaskell, 2011, 1107.5382.

The Origin of the Relationship between Black Hole Mass and Host Galaxy Bulge Luminosity

C. Gaskell, 2010, 1004.1180.

Old stellar populations. II. an analysis of K-giant spectra.

David Burstein, Sandra M. Faber, C. M. Gaskell, 1985 .

Transformations between 2MASS, SDSS and BVRI photometric systems: bridging the near‐infrared and optical

A. Cabrera-Lavers, C. M. Gaskell, T. Chonis, 2007, 0711.4356.

What broad emission lines tell us about how active galactic nuclei work

M. Gaskell, C. Gaskell, 2009, 0908.0386.

Redshift difference between high and low ionization emission-line regions in QSOS-evidence for radial motions

C. Gaskell, 1982 .

Emission-line properties of optically and radio-selected complete quasar samples

E. Joseph Wampler, Jack A. Baldwin, J. Baldwin, 1989 .

THE BLUESHIFTING AND BALDWIN EFFECTS FOR THE [O iii] λ5007 EMISSION LINE IN TYPE 1 ACTIVE GALACTIC NUCLEI

Technology of China, D. D. Astronom'ia, Kai Zhang, 2011, 1105.1094.

Hubble Space Telescope Observations of Extended [O iii]λ 5007 Emission in Nearby QSO2s: New Constraints on AGN Host Galaxy Interaction

L. Ho, J. Hutchings, H. Schmitt, 2018, 1802.06184.

EVIDENCE FOR PERIODICITY IN 43 YEAR-LONG MONITORING OF NGC 5548

S. Zucker, S. Komossa, L. Popović, 2016, 1606.04606.

Multiwavelength observations of short-timescale variability in NGC 4151 .4. Analysis of multiwavelength continuum variability

Gerard A. Kriss, Bradley M. Peterson, Shai Kaspi, 1996 .

Multiwavelength observations of short-timescale variability in NGC 4151 .1. Ultraviolet observations

Shai Kaspi, V. T. Doroshenko, Belinda J. Wilkes, 1996 .

Chemical Abundances in an AGN Environment: X-Ray/UV Campaign on the Markarian 279 Outflow

Jelle S. Kaastra, Gerard A. Kriss, Kirk T. Korista, 2006, astro-ph/0611928.

The relationship between X-ray and optical absorbers in active galactic nuclei

C. Gaskell, Gunnar W. Jaffarian, Gunnar W Jaffarian, 2020, Monthly Notices of the Royal Astronomical Society.

THE BALDWIN EFFECT IN THE NARROW EMISSION LINES OF ACTIVE GALACTIC NUCLEI

Cosmology, Kai Zhang, U. Valpara'iso, 2012, 1211.1113.

SETTING UBVRI PHOTOMETRIC ZERO-POINTS USING SLOAN DIGITAL SKY SURVEY ugriz MAGNITUDES

T. Chonis, C. Gaskell, 2007, 0710.5801.

DISK–JET CONNECTION IN THE RADIO GALAXY 3C 120

Taylor S. Chonis, Eric A. Petersen, H. R. Miller, 2009, 0909.2051.

Accurate Black Hole Mass Measurements for Thermal AGNs and the Origin of the Correlations Between Black Hole Mass and Bulge Properties

C. Gaskell, 2011, 1111.2067.

Structure and Kinematics of Quasar Broad Line Regions

Matthias Dietrich, Michael Eracleous, W. Brandt, 1999 .

– 2 – Subject headings : galaxies : active — quasars : emission lines — line : formation — quasars : general — line : profiles — galaxies : Seyfert 1

S. Snedden, C. Gaskell, 2004 .

Attenuation from the optical to the extreme ultraviolet by dust associated with broad absorption line quasars: the driving force for outflows

Japneet Singh, C. Gaskell, J. J. Gill, 2016, 1611.03733.

Astronomy: When is a star a superstar?

C. Gaskell, 1985, Nature.

Partial dust obscuration in active galactic nuclei as a cause of broad-line profile and lag variability, and apparent accretion disc inhomogeneities

C. Gaskell, P. Harrington, P Z Harrington, 2017, 1704.06455.

Estimating reddening of the continuum and broad-line region of active galactic nuclei: the mean reddening of NGC 5548 and the size of the accretion disc

C. Gaskell, Frances C. Anderson, Sufia Birmingham, 2022, Monthly Notices of the Royal Astronomical Society.

How Polarization and Scattering can reveal Geometries, Dynamics, and Feeding of Active Galactic Nuclei

R. Goosmann, C. Gaskell, M. Shoji, 2008, 0811.0766.

Multi-Wavelength Monitoring of the Changing-Look AGN NGC 2617 during State Changes

M. Serra-Ricart, V. Lipunov, R. Podestá, 2017 .

Hubble Space Telescope [O iii] emission-line kinematics in two nearby QSO2s: a case for X-ray feedback

L. Ho, J. Hutchings, H. Schmitt, 2021, Monthly Notices of the Royal Astronomical Society.

The distribution of quasar absorption line systems — Selection effects

C. Gaskell, 1982 .

NGC 5548: The AGN Energy Budget Problem and the Geometry of the Broad-Line Region and Torus

C. Gaskell, E. Klimek, L. S. Nazarova, 2007, 0711.1025.

The Optical Case for a Disk Component of BLR Emission

S. Snedden, C. Gaskell, 1999 .

Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. IX. Ultraviolet Observations of Fairall 9

M. C. Recondo-Gonzalez, D. Maoz, J. Huchra, 1997 .

LINE SHIFTS, BROAD-LINE REGION INFLOW, AND THE FEEDING OF ACTIVE GALACTIC NUCLEI

R. Goosmann, C. Gaskell, 2008, 0805.4258.

Analysis of the broad emission line profiles in the active galactic nucleus 3C 390.3

C. Gaskell, L. S. Nazarova, N. Bochkarev, 2004 .

The Effect of Abundance Variations on Estimates of the Densities of Broad-Line Region Clouds in Quasars

S. Snedden, C. Gaskell, 1999 .

Multiwavelength Monitoring of the Narrow-Line Seyfert 1 Galaxy Arakelian 564. III. Optical Observations and the Optical-UV-X-Ray Connection

Z.Zheng, P.Romano, W.Li, 2001, astro-ph/0107075.

The accuracy of supermassive black hole masses determined by the single-epoch spectrum (Dibai) method

C. Gaskell, N. Bochkarev, 2008, 0809.4742.

J1536+0441 and the lack of evidence for close supermassive binary black holes

C. Gaskell, 2009 .