D. M. Alexander

Publication List Details

Period

1999 - 2009

Number

88

Co-Authors

Identifying the Obscured Black-Hole Growth Phase of Distant Massive Galaxies (2009)

Alexander, D. M.

It is well established that a dominant phase in the growth of massive galaxies occurred at high redshift and was heavily obscured by gas and dust. Many studies have explored the stellar growth of...

Revealing an Energetic Galaxy-Wide Outflow in a z~2 Ultraluminous Infrared Galaxy (2009)

Alexander, D. M., Swinbank, A. M., Smail, I., McDermid, R., Nesvadba, N. P. H.

Leading models of galaxy formation require large-scale energetic outflows to regulate the growth of distant galaxies and their central black holes. However, current observational support for this...

Searching for Evidence of Energetic Feedback in Distant Galaxies: A Galaxy Wide Outflow in a z~2 Ultraluminous Infrared Galaxy (2009)

Alexander, D. M., Swinbank, A. M., Smail, I., McDermid, R., Nesvadba, N.

Leading models of galaxy formation require large-scale energetic outflows to regulate the growth of distant galaxies and their central black holes. However, current observational support for this...

The LABOCA Survey of the Extended Chandra Deep Field South (2009)

Weiss, A., Kovacs, A., Coppin, K., Greve, T. R., Walter, F., Smail, Ian, ...

We present a sensitive 870 micron survey of the Extended Chandra Deep Field South (ECDFS) using LABOCA on the APEX telescope. The LABOCA ECDFS Submillimetre Survey (LESS) covers the full 30' x 30'...

Characterising the Far-infrared Properties of Distant X-ray Detected AGNs: Evidence for Evolution in the Infrared--X-ray Luminosity Ratio (2009)

Mullaney, J. R., Alexander, D. M., Huynh, M., Goulding, A. D., Frayer, D.

(Abridged) We investigate the far-infrared properties of X-ray sources detected in the Chandra Deep Field-South (CDF-S) survey using the ultra-deep 70um and 24um Spitzer observations taken in this...

A 100-kpc inverse Compton X-ray halo around 4C60.07 at z=3.79 (2009)

Smail, Ian, Lehmer, B. D., Ivison, R. J., Alexander, D. M., Bower, R. G., Stevens, J. A., ...

We analyse a 100-ks Chandra observation of the powerful radio galaxy, 4C60.07 at z=3.79. We identify extended X-ray emission with Lx~10^45 erg/s across a ~90-kpc region around the radio galaxy. The...

The Chandra Deep Protocluster Survey: Point-Source Catalogs for a 400 ks Observation of the z = 3.09 Protocluster in SSA22 (2009)

Lehmer, B. D., Alexander, D. M., Chapman, S. C., Smail, Ian, Bauer, F. E., Brandt, W. N., ...

We present X-ray point-source catalogs for a deep 400 ks Chandra ACIS-I exposure of the SSA22 field. The observations are centred on a z = 3.09 protocluster, which is populated by Lyman break...

The Chandra deep protocluster survey: Lyα blobs are powered by heating, not cooling (2009)

Geach, J. E., Alexander, D. M., Lehmer, B. D., Smail, Ian, Matsuda, Y., Chapman, S. C., ...

We present the results of a 400 ks Chandra survey of 29 extended Lyα emitting nebulae (Lyα Blobs, LABs) in the z = 3.09 protocluster in the SS A22 field. We detect luminous X-ray counterparts in...

A mid-infrared imaging survey of submillimeter-selected galaxies with the Spitzer Space Telescope (2009)

Hainline, Laura J., Blain, A. W., Smail, Ian, Frayer, D. T., Chapman, S. C., Ivison, R. J., ...

We present Spitzer-IRAC and MIPS mid-IR observations of a sample of 73 radio-detected submillimeter-selected galaxies (SMGs) with spectroscopic redshifts, the largest such sample published to date....

Balancing the Energy Budget Between Star Formation and Active Galactic Nuclei in High-Redshift Infrared Luminous Galaxies (2009)

Murphy, E. J., Alexander, D. M., Dickinson, M., Magnelli, B., Morrison, G., ...

We present deep Spitzer mid-infrared spectroscopy, along with 16, 24, 70, and 850 μm photometry, for 22 galaxies located in the Great Observatories Origins Deep Survey-North (GOODS-N) field. The...

On the nature of red galaxies: the Chandra perspective (2009)

Campisi, M. A., Vignali, C., Brusa, M., Daddi, E., Comastri, A., Pozzetti, L., ...

We present the X-ray properties of the extremely red objects (ERO) population observed by Chandra with three partially overlapping pointings (up to ~90 ks) over an area of ~500 arcmin^2, down to a...

A submillimetre galaxy at z= 4.76 in the LABOCA survey of the Extended Chandra Deep Field-South (2009)

Coppin, K. E. K., Smail, Ian, Alexander, D. M., Weiss, A., Walter, F., Swinbank, A. M., ...

We report on the identification of the highest redshift submillimetre-selected source currently known LESS J033229.4−275619. This source was detected in the Large Apex Bolometer Camera (LABOCA)...

The Chandra Deep Protocluster Survey: Ly-alpha Blobs are powered by heating, not cooling (2009)

Geach, J. E., Alexander, D. M., Lehmer, B. D., Smail, Ian, Matsuda, Y., Chapman, S. C., ...

We present the results of a 400ks Chandra survey of 29 extended Ly-alpha emitting nebulae (Ly-alpha Blobs, LABs) in the z=3.09 proto-cluster in the SSA22 field. We detect luminous X-ray counterparts...

The Growth of Supermassive Black Holes Across Cosmic Time (2009)

Nandra, K., Aird, J. A., Alexander, D. M., Ballantyne, D. R., Barcons, X., Bauer, F. E., ...

One of the main themes in extragalactic astronomy for the next decade will be the evolution of galaxies over cosmic time. Many future observatories, including JWST, ALMA, GMT, TMT and E-ELT will...

Where do z~2 Submillimeter-Emitting Galaxies Lie On the Black-Hole-Spheroid Mass Plane? (2009)

Alexander, D. M.

Submillimeter-emitting galaxies (SMGs) are z~2 bolometrically luminous systems hosting energetic starburst and AGN activity. SMGs may represent a rapid growth phase that every massive galaxy...

A 100 kpc inverse Compton x-ray halo around 4C 60.07 at z = 3.79. (2009)

Smail, I., Lehmer, B.D., Ivison, R.J., Alexander, D.M., Bower, R., Stevens, J. A., ...

Original article can be found at: http://www.iop.org/EJ/journal/apjl Copyright American Astronomical Society. DOI: 10.1088/0004-637X/702/2/L114 [Full text of this article is not available in the UHRA]

Balancing the Energy Budget between Star-Formation and AGN in High Redshift Infrared Luminous Galaxies (2008)

Murphy, E. J., Alexander, D. M., Dickinson, M., Magnelli, B., Morrison, G., ...

(abridged) We present deep Spitzer mid-infrared spectroscopy, along with 16, 24, 70, and 850 um photometry, for 22 galaxies located in GOODS-N. The sample spans a redshift range of 0.6 < z < 2.6, 24...

Reliable Identification of Compton-thick Quasars at z ≈ 2: Spitzer Mid-Infrared Spectroscopy of HDF-oMD49 (2008)

Alexander, D. M., Pope, A., Bauer, F. E., Brandt, W. N., Daddi, E., ...

Many models that seek to explain the origin of the unresolved X-ray background predict that Compton-thick active galactic nuclei (AGNs) are ubiquitous at high redshift. However, few distant...

The Chandra Deep Field-South Survey: 2 Ms Source Catalogs (2008)

Luo, B., Bauer, F. E., Brandt, W. N., Alexander, D. M., Lehmer, B. D., Schneider, D. P., ...

We present point-source catalogs for the ≈2 Ms exposure of the Chandra Deep Field-South (CDF-S); this is one of the two most sensitive X-ray surveys ever performed. The survey covers an area of...

The Chandra Deep Protocluster Survey: Evidence for an Enhancement in the AGN Activity in the SSA22 Protocluster at z = 3.09 (2008)

Lehmer, B. D., Alexander, D. M., Geach, J. E., Smail, Ian, Basu-Zych, A., Bauer, F. E., ...

We present results from a new ultra-deep 400 ks Chandra observation of the SSA22 protocluster at z = 3.09. We have studied the X-ray properties of 234 z ~ 3 Lyman break galaxies (LBGs; protocluster...

Science Requirements for EAGLE for the E-ELT (2008)

Evans, C. J., Lehnert, M. D., Morris, S. L., Swinbank, A. M., Taylor, W. D., ...

We present an overview of the EAGLE science case, which spans spatially-resolved spectroscopy of targets from five key science areas - ranging from studies of heavily-obscured Galactic star clusters,...

The Chandra Deep Field-South Survey: 2 Ms Source Catalogs (2008)

Luo, B., Bauer, F. E., Brandt, W. N., Alexander, D. M., Lehmer, B. D., Schneider, D. P., ...

We present point-source catalogs for the ~2 Ms exposure of the Chandra Deep Field-South (CDF-S); this is one of the two most-sensitive X-ray surveys ever performed. The survey covers an area of ~436...

The SCUBA Half-Degree Extragalactic Survey (SHADES) – VIII. the nature of faint submillimetre galaxies in SHADES, SWIRE and SXDF surveys (2008)

Clements, D. L., Vaccari, M., Babbedge, T., Oliver, S., Rowan-Robinson, M., Davoodi, P., ...

We present the optical-to-submillimetre spectral energy distributions (SEDs) for 33 radio and mid-infrared (mid-IR) identified submillimetre galaxies discovered via the SHADES 850-μm SCUBA imaging...

Weighing the black holes in z ≈ 2 submillimeter-emitting galaxies hosting active galactic nuclei (2008)

Alexander, D. M., Brandt, W. N., Smail, I., Swinbank, A. M., Bauer, F. E., Blain, A. W., ...

We place direct observational constraints on the black-hole masses (MBH) of the cosmologically important z ≈ 2 submillimeter-emitting galaxy (SMG; f850μm ≳ 4 mJy) population, and use measured...

Tracing the Mass-Dependent Star Formation History of Late-Type Galaxies using X-ray Emission: Results from the Chandra Deep Fields (2008)

Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...

We report on the X-ray evolution over the last ~9 Gyr of cosmic history (i.e., since z = 1.4) of late-type galaxy populations in the Chandra Deep Field-North and Extended Chandra Deep Field-South...

Weighing the Black Holes in z~2 Submillimeter-Emitting Galaxies Hosting Active Galactic Nuclei (2008)

Alexander, D. M., Brandt, W. N., Smail, I., Swinbank, A. M., Bauer, F. E., Blain, A. W., ...

We place direct observational constraints on the black-hole masses of the cosmologically important z~2 submillimeter-emitting galaxy (SMG; f850>4mJy) population, and use measured host-galaxy masses...

Reliable Identification of Compton-thick Quasars at z~2: Spitzer Mid-IR spectroscopy of HDF-oMD49 (2008)

Alexander, D. M., Chary, R. R., Pope, A., Bauer, F. E., Brandt, W. N., Daddi, E., ...

Many models that seek to explain the origin of the unresolved X-ray background predict that Compton-thick Active Galactic Nuclei (AGNs) are ubiquitious at high redshift. However, few distant...

The SCUBA Half-Degree Extragalactic Survey (SHADES) - VIII. The Nature of Faint Submm Galaxies in SHADES, SWIRE and SXDF Surveys (2008)

Clements, D. L., Vaccari, M., Babbedge, T., Oliver, S., Rowan-Robinson, M., Davoodi, P., ...

We present the optical-to-submm spectral energy distributions for 33 radio & mid-IR identified submillimetre galaxies discovered via the SHADES 850 micron SCUBA imaging in the Subaru-XMM Deep Field...

The X-ray-Infrared/Submillimetre Connection and the Legacy Era of Cosmology (2008)

Alexander, D. M.

We review some recent results on the identification and characterisation of Active Galactic Nuclei (AGN) obtained by cross correlating X-ray surveys with infrared and submillimetre surveys. We also...

Tracing the mass-dependent star formation history of late-type galaxies using X-Ray emission: results from the Chandra Deep Fields (2008)

Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...

We report on the X-ray evolution over the last ~9 Gyr of cosmic history (i.e., since z=1.4) of late-type galaxy populations in the Chandra Deep Field-North and Extended Chandra Deep Field-South...

The Host Galaxies and Black Holes of Typical z~0.5-1.4 AGN (2007)

Alonso-Herrero, A., Perez-Gonzalez, P. G., Rieke, G. H., Alexander, D. M., Rigby, J. R., Papovich, C., ...

We study the stellar and star formation (SF) properties of the host galaxies of 58 X-ray selected AGN in the GOODS portion of the Chandra Deep Field South (CDF-S) region at z~0.5-1.4. The AGN are...

Multiwavelength Study of Massive Galaxies at z ~ 2. II. Widespread Compton-thick Active Galactic Nuclei and the Concurrent Growth of Black Holes and Bulges (2007)

Daddi, E., Alexander, D. M., Dickinson, M., Gilli, R., Renzini, A., Elbaz, D., ...

Approximately 20%-30% of 1.4 ≾ z ≾ 2.5 galaxies with K_(Vega) < 22 detected with Spitzer MIPS at 24 μm show excess mid-IR emission relative to that expected based on the rates of star formation...

The extended Chandra deep field-south survey : Chandra point-source catalogs. (2007)

Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bauer, F. E., Schneider, D. P., Tozzi, P., ...

We present Chandra point‐source catalogs for the Extended Chandra Deep Field–South (E‐CDF‐S) survey. The E‐CDF‐S consists of four contiguous 250 ks Chandra observations covering an...

The properties and redshift evolution of intermediate-luminosity off-nuclear x-ray sources in the Chandra Deep Fields. (2007)

Lehmer, B. D., Brandt, W. N., Hornschemeier, A. E., Alexander, D. M., Bauer, F. E., Koekemoer, A. M., ...

We analyze a population of intermediate-redshift (z~0.05-0.3) off-nuclear X-ray sources located within optically bright galaxies in the Great Observatories Origins Deep Survey and Galaxy Evolution...

The x-ray evolution of early-type galaxies in the extended Chandra Deep Field-South. (2007)

Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., McIntosh, D. H., Bauer, F. E., ...

We investigate the evolution over the last 6.3 Gyr of cosmic time (i.e., since ) of the average X‐ray properties of early‐type galaxies within the Extended Chandra Deep Field–South...

X-ray properties of Lyman Break galaxies in the Great Observatories Origins Deep Survey. (2007)

Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bauer, F. E., Conselice, C. J., Dickinson, M. E., ...

We constrain the X-ray emission properties of Lyman break galaxies (LBGs) at z 3–6 using the 2 Ms Chandra Deep Field North and 1 Ms Chandra Deep Field South. Large samples of LBGs were discovered...

The Evolution of AGN Host Galaxies: From Blue to Red and the Influence of Large-Scale Structures (2007)

Silverman, J. D., Mainieri, V., Lehmer, B. D., Alexander, D. M., Bauer, F. E., Bergeron, J., ...

We present an analysis of 109 moderate-luminosity (41.9 < Log L{0.5-8.0 keV} < 43.7) AGN in the Extended Chandra Deep Field-South survey, which is drawn from 5,549 galaxies from the COMBO-17 and GEMS...

The X-ray evolution of early-type galaxies in the Extended Chandra Deep Field-South (2007)

Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., McIntosh, D. H., Bauer, F. E., ...

We investigate the evolution over the last 6.3 Gyr of cosmic time (i.e., since z~0.7) of the average X-ray properties of early-type galaxies within the Extended Chandra Deep Field-South (E-CDF-S)....

Multiwavelength study of massive galaxies at z~2. II. Widespread compton-thick active galactic nuclei and the concurrent growth of black holes and bulges (2007)

Daddi, E., Alexander, D. M., Dickinson, M., Gilli, R., Renzini, A., Elbaz, D., ...

Approximately 20%-30% of 1.4~1024 cm-2 and an average, unobscured X-ray luminosity L2-8keV~(1-4)×1043 ergs s-1. Their sky density (~3200 deg-2) and space density (~2.6×10-4 Mpc-3) are twice those...

The quest for Type 2 quasars: Chandra observations of luminous obscured quasars in the Sloan Digital Sky Survey (2006)

Vignali, C., Alexander, D. M., Comastri, A.

We report on new Chandra exploratory observations of six candidate Type 2 quasars at z=0.49-0.73 selected among the most [OIII] luminous emitters from the Sloan Digital Sky Survey (SDSS). Under the...

The SCUBA HAlf Degree Extragalactic Survey (SHADES) -- II. Submillimetre maps, catalogue and number counts (2006)

Coppin, K., Chapin, E. L., Mortier, A. M. J., Scott, S. E., Borys, C., Dunlop, J. S., ...

We present the maps, source catalogue and number counts of the largest, most complete and unbiased extragalactic submillimetre survey ever undertaken: the 850-micron SCUBA HAlf Degree Extragalactic...

Can the unresolved X-ray background be explained by emission from the optically-detected faint galaxies of the GOODS project? (2006)

Worsley, M. A., Fabian, A. C., Bauer, F. E., Alexander, D. M., Brandt, W. N., Lehmer, B. D.

The emission from individual X-ray sources in the Chandra Deep Fields and XMM-Newton Lockman Hole shows that almost half of the hard X-ray background above 6 keV is unresolved and implies the...

The X-ray-to-Optical Properties of Optically-Selected Active Galaxies Over Wide Luminosity and Redshift Ranges (2006)

Steffen, A. T., Strateva, I., Brandt, W. N., Alexander, D. M., Koekemoer, A. M., Lehmer, B. D., ...

We present partial-correlation analyses that examine the strengths of the relationships between L_UV, L_X, Alpha_OX, and redshift for optically-selected AGNs. We extend the work of Strateva et al....

The Properties and Redshift Evolution of Intermediate-Luminosity Off-Nuclear X-ray Sources in the Chandra Deep Fields (2006)

Lehmer, B. D., Brandt, W. N., Hornschemeier, A. E., Alexander, D. M., Bauer, F. E., Koekemoer, A. M., ...

We analyze a population of intermediate-redshift (z ~ 0.05-0.3), off-nuclear X-ray sources located within optically-bright galaxies in the Great Observatories Origins Deep Survey (GOODS) and Galaxy...

Spitzer Observations of Massive Red Galaxies at High Redshift (2005)

Papovich, Casey, Moustakas, L. A., Dickinson, M., Floc'h, E. Le, Rieke, G. H., Daddi, E., ...

We investigate the properties of massive galaxies at z=1-3.5 using HST observations, ground-based near-IR imaging, and Spitzer Space Telescope observations at 3-24 micron. We identify 153 distant red...

The X-ray spectral properties of scuba galaxies. (2005)

Alexander, D. M., Bauer, F. E., Chapman, S. C., Smail, I., Blain, A. W., Brandt, W. N., ...

Deep SCUBA surveys have uncovered a large population of massive submillimeter-emitting galaxies (SMGs; f850m 4 mJy) at z 1. Although it is generally believed that these galaxies host intense star...

The X-ray Spectral Properties of SCUBA Galaxies (2005)

Alexander, D. M., Bauer, F. E., Chapman, S. C., Smail, I., Blain, A. W., Brandt, W. N., ...

Deep SCUBA surveys have uncovered a large population of massive submm galaxies (SMGs) at z>~1. Although it is generally believed that these galaxies host intense star-formation activity, there is...

Rapid Growth of Black Holes in Massive Star-Forming Galaxies (2005)

Alexander, D. M., Smail, I., Bauer, F. E., Chapman, S. C., Blain, A. W., Brandt, W. N., ...

The tight relationship between the masses of black holes and galaxy spheroids in nearby galaxies implies a causal connection between the growth of these two components. Optically luminous quasars...

The Nature of the Mid-Infrared Population from Optical Identifications of the ELAIS-S1 Sample (2004)

La Franca, F., Gruppioni, C., Matute, I., Pozzi, F., Lari, C., Mignoli, M., ...

We present a multiwavelength catalog (15 mum, R-band, K-band, and 1.4 GHz flux) plus spectroscopic identifications for 406 15 mum sources detected in the European Large Area ISO Survey (ELAIS) region...

The Chandra Deep Field-North Survey: XVII. Evolution of magnetic activity in old late-type stars (2004)

Feigelson, E. D., Hornschemeier, A. E., Micela, G., Bauer, F. E., Alexander, D. M., Brandt, W. N., ...

The extremely sensitive Chandra Deep Field-North (CDF-N) pencil-beam X-ray survey is used to identify and characterize the X-ray emission from old high-latitude main sequence Galactic stars. Our...

Seyferts on the edge: polar scattering and orientation-dependent polarization in Seyfert 1 nuclei (2004)

Smith, J. E., Robinson, A., Alexander, D. M., Young, S., Axon, D. J., Corbett, Elizabeth A.

We have identified 12 Seyfert 1 galaxies that exhibit optical polarization spectra similar to those of Seyfert 2 galaxies in which polarized broad-lines are detected. We present new...

The European Large-Area ISO Survey (ELAIS): the final band-merged catalogue (2004)

Rowan-Robinson, M., Lari, C., Perez-Fournon, I., Gonzalez-Solares, E. A., La Franca, F., Vaccari, M., ...

We present the final band-merged European Large-Area ISO Survey (ELAIS) Catalogue at 6.7, 15, 90 and 175 ‚‚mu;m, and the associated data at U, g', r', i', Z, J, H, K and 20 cm. The origin of the...

ELAIS: final band-merged catalogue (2004)

Rowan-Robinson, M., Lari, C., Perez-Fournon, I., Gonzalez-Solares, E. A., Franca, F. L., Vaccari, M., ...

The catalog represents the final band-merged European Large-Area ISO Survey (ELAIS) Catalogue at 6.7, 15, 90 and 175{mu}m, and the associated data at U, g', r', i', Z, J, H, K and 20cm. Details about...

The Chandra Deep Field North Survey. XIII. 2 Ms point-source catalogs. (2003)

Alexander, D. M., Bauer, F. E., Brandt, W. N., Schneider, D. P., Hornschemeier, A. E., Vignali, C., ...

We present point-source catalogs for the 2 Ms exposure of the Chandra Deep Field North, currently the deepest X-ray observation of the universe in the 0.58.0 keV band. Five hundred and three (503)...

Near-infrared imaging polarimetry and modelling of NGC 4151. (2003)

Ruiz, M., Packham, C., Alexander, D.M., Hough, J., Young, S.

‘The definitive version is available at www.blackwell-synergy.com '. Copyright Blackwell Publishing / Royal Astronomical Society. DOI: 10.1046/j.1365-8711.2003.06239.x [Full text of this article is...

The evolution of type 1 active galactic nuclei in the infrared (15mum): the view from ELAIS-S1 (2002)

Matute, I., La Franca, F., Pozzi, F., Gruppioni, C., Lari, C., Zamorani, G., ...

We present the 15-mum luminosity function of type 1 active galactic nuclei (AGN1; quasi-stellar object+Seyfert 1) . Our sample of 21 high-redshift sources is selected from the Preliminary Analysis...

The European Large Area ISO Survey - VII. ROSAT observations of ELAIS sources (2002)

Basilakos, S., Georgantopoulos, I., Pérez-Fournon, I., Efstathiou, A., Rowan-Robinson, M., Cabrera-Guerra, F., ...

We present a cross-correlation between the European Large Area ISO Survey (ELAIS) 15-mum ISO survey with the ROSAT (0.1-2keV) all-sky survey and the pointed observations WGACAT source catalogue. The...

The Chandra Deep Field North Survey. VI : the nature of the optically faint X-ray source population. (2001)

Alexander, D. M., Brandt, W. N., Hornschemeier, A. E., Garmire, G. P., Schneider, D. P., Bauer, F. E., ...

We provide constraints on the nature of the optically faint (I 24) X-ray source population from a 1 Ms Chandra exposure of a 84 × 84 region within the Hawaii flanking-field area containing the...

The Chandra Deep Field North Survey. V. 1 Ms Source Catalogs (2001)

Brandt, W. N., Alexander, D. M., Hornschemeier, A. E., Garmire, G. P., Schneider, D. P., Barger, A. J., ...

An extremely deep X-ray survey (about 1 Ms) of the Hubble Deep Field North and its environs (about 450 arcmin^2) has been performed with the Advanced CCD Imaging Spectrometer on board the Chandra...

The European Large-Area Infrared Space Observatory Survey V: A BeppoSAX Hard X-Ray Survey of the S1 Region (2001)

Alexander, D.M., La Franca, F., Fiore, F., Barcons, X., Ciliegi, P., Danese, L., ...

We present BeppoSAX observations of the southern S1 region in the European Large-Area Infrared Space Observatory (ISO) Survey (ELAIS). These observations cover an area of ~1.7 deg2 and reach an...

Constraints on the nuclear emission of the Circinus galaxy: optical and near-IR spectropolarimetry. (2000)

Alexander, D.M., Heisler, C.A., Young, S., Lumsden, C.L., Hough, J., Bailey, J.

‘The definitive version is available at www.blackwell-synergy.com.’ Copyright Blackwell Publishing / Royal Astronomical Society. DOI: 10.1046/j.1365-8711.2000.03285.x [Full text of this article...

Polarized broad HeI and Paschen lines in NGC 1068. (1999)

Alexander, D.M., Young, S., Hough, J.

‘The definitive version is available at www3.interscience.wiley.com '. Copyright Blackwell Publishing / Royal Astronomical Society. DOI: 10.1046/j.1365-8711.1999.02417.x [Full text of this article...

Searching for the hidden broad-line region in Centaurus A. (1999)

Alexander, D.M., Hough, J., Young, S., Bailey, J., Heisler, C.A., Lumsden, S.L., ...

‘The definitive version is available at www3.interscience.wiley.com '. Copyright Blackwell Publishing / Royal Astronomical Society. DOI: 10.1046/j.1365-8711.1999.02327.x [Full text of this article...