Outputs (376)

LLAMA: normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies (2017)
Journal Article
Rosario, D., Burtscher, L., Davies, R., Koss, M., Ricci, C., Lutz, D., …Veilleux, S. (2018). LLAMA: normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies. Monthly Notices of the Royal Astronomical Society, 473(4), 5658-5679. https://doi.org/10.1093/mnras/stx2670

Using new Atacama Pathfinder Experiment and James Clerk Maxwell Telescope spectroscopy of the CO 2→1 line, we undertake a controlled study of cold molecular gas in moderately luminous (Lbol = 1043–44.5 erg s−1) active galactic nuclei (AGN) and inacti... Read More about LLAMA: normal star formation efficiencies of molecular gas in the centres of luminous Seyfert galaxies.

CANDELS: Elevated Black Hole Growth in the Progenitors of Compact Quiescent Galaxies at z ∼ 2 (2017)
Journal Article
Kocevski, D. D., Barro, G., Faber, S., Dekel, A., Somerville, R. S., Young, J. A., Williams, C. C., McIntosh, D. H., Georgakakis, A., Hasinger, G., Nandra, K., Civano, F., Alexander, D. M., Almaini, O., Conselice, C. J., Donley, J. L., Ferguson, H. C., Giavalisco, M., Grogin, N. A., Hathi, N., …Yan, H. (2017). CANDELS: Elevated Black Hole Growth in the Progenitors of Compact Quiescent Galaxies at z ∼ 2. Astrophysical Journal, 846(2), Article 112. https://doi.org/10.3847/1538-4357/aa8566

X-Ray Spectral Analyses of AGNs from the 7Ms Chandra Deep Field-South Survey: The Distribution, Variability, and Evolutions of AGN Obscuration (2017)
Journal Article
Liu, T., Tozzi, P., Wang, J., Brandt, W. N., Vignali, C., Xue, Y., …Risaliti, G. (2017). X-Ray Spectral Analyses of AGNs from the 7Ms Chandra Deep Field-South Survey: The Distribution, Variability, and Evolutions of AGN Obscuration. Astrophysical Journal Supplement, 232(1), Article 8. https://doi.org/10.3847/1538-4365/aa7847

We present a detailed spectral analysis of the brightest active galactic nuclei (AGNs) identified in the 7Ms Chandra Deep Field-South (CDF-S) survey over a time span of 16 years. Using a model of an intrinsically absorbed power-law plus reflection, w... Read More about X-Ray Spectral Analyses of AGNs from the 7Ms Chandra Deep Field-South Survey: The Distribution, Variability, and Evolutions of AGN Obscuration.

The NuSTAR Serendipitous Survey: Hunting for the Most Extreme Obscured AGN at >10 keV (2017)
Journal Article
Lansbury, G., Alexander, D., Aird, J., Gandhi, P., Stern, D., Koss, M., …Zappacosta, L. (2017). The NuSTAR Serendipitous Survey: Hunting for the Most Extreme Obscured AGN at >10 keV. Astrophysical Journal, 846(1), Article 20. https://doi.org/10.3847/1538-4357/aa8176

We identify sources with extremely hard X-ray spectra (i.e., with photon indices of ${\rm{\Gamma }}\lesssim 0.6$) in the 13 deg2 NuSTAR serendipitous survey, to search for the most highly obscured active galactic nuclei (AGNs) detected at $\gt 10\,\m... Read More about The NuSTAR Serendipitous Survey: Hunting for the Most Extreme Obscured AGN at >10 keV.

The mean star formation rates of unobscured QSOs: searching for evidence of suppressed or enhanced star formation (2017)
Journal Article
Stanley, F., Alexander, D., Harrison, C., Rosario, D., Wang, L., Aird, J., …Smith, M. (2017). The mean star formation rates of unobscured QSOs: searching for evidence of suppressed or enhanced star formation. Monthly Notices of the Royal Astronomical Society, 472(2), 2221-2240. https://doi.org/10.1093/mnras/stx2121

We investigate the mean star formation rates (SFRs) in the host galaxies of ∼3000 optically selected quasi-stellar objects (QSOs) from the Sloan Digital Sky Survey within the Herschel-ATLAS fields, and a radio-luminous subsample covering the redshift... Read More about The mean star formation rates of unobscured QSOs: searching for evidence of suppressed or enhanced star formation.

Galaxy-scale Bars in Late-type Sloan Digital Sky Survey Galaxies Do Not Influence the Average Accretion Rates of Supermassive Black Holes (2017)
Journal Article
Goulding, A., Matthaey, E., Greene, J., Hickox, R., Alexander, D., Forman, W., …Oulmakki, M. (2017). Galaxy-scale Bars in Late-type Sloan Digital Sky Survey Galaxies Do Not Influence the Average Accretion Rates of Supermassive Black Holes. Astrophysical Journal, 843(2), Article 135. https://doi.org/10.3847/1538-4357/aa755b

Galaxy-scale bars are expected to provide an effective means for driving material toward the central region in spiral galaxies, and possibly feeding supermassive black holes (BHs). Here we present a statistically complete study of the effect of bars... Read More about Galaxy-scale Bars in Late-type Sloan Digital Sky Survey Galaxies Do Not Influence the Average Accretion Rates of Supermassive Black Holes.

Galactic Sources Detected in the NuSTAR Serendipitous Survey (2017)
Journal Article
Tomsick, J. A., Lansbury, G. B., Rahoui, F., Clavel, M., Fornasini, F. M., Hong, J., …Stern, D. (2017). Galactic Sources Detected in the NuSTAR Serendipitous Survey. Astrophysical Journal Supplement, 230(2), Article 25. https://doi.org/10.3847/1538-4365/aa7517

The Nuclear Spectroscopic Telescope Array (NuSTAR) provides an improvement in sensitivity at energies above 10 keV by two orders of magnitude over non-focusing satellites, making it possible to probe deeper into the Galaxy and universe. Lansbury and... Read More about Galactic Sources Detected in the NuSTAR Serendipitous Survey.

Black Hole Growth Is Mainly Linked to Host-galaxy Stellar Mass Rather Than Star Formation Rate (2017)
Journal Article
Yang, G., Chen, C., Vito, F., Brandt, W., Alexander, D., Luo, B., …Wang, J. (2017). Black Hole Growth Is Mainly Linked to Host-galaxy Stellar Mass Rather Than Star Formation Rate. Astrophysical Journal, 842(2), Article 72. https://doi.org/10.3847/1538-4357/aa7564

We investigate the dependence of black-hole accretion rate (BHAR) on host-galaxy star formation rate (SFR) and stellar mass (M∗) in the CANDELS/GOODS-South field in the redshift range of 0.5≤z<2.0. Our sample consists of ≈18000 galaxies, allowing us...

The VLA-COSMOS 3 GHz Large Project: AGN and host-galaxy properties out to z ≲ 6 (2017)
Journal Article
Delvecchio, I., Smolčić, V., Zamorani, G., Lagos, C. D. P., Berta, S., Delhaize, J., …Tasca, L. (2017). The VLA-COSMOS 3 GHz Large Project: AGN and host-galaxy properties out to z ≲ 6. Astronomy & Astrophysics, 602, Article A3. https://doi.org/10.1051/0004-6361/201629367

We explore the multiwavelength properties of AGN host galaxies for different classes of radio-selected AGN out to z ≲ 6 via a multiwavelength analysis of about 7700 radio sources in the COSMOS field. The sources were selected with the Very Large Arra... Read More about The VLA-COSMOS 3 GHz Large Project: AGN and host-galaxy properties out to z ≲ 6.

An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Spectroscopic Redshifts (2017)
Journal Article
Danielson, A., Swinbank, A., Smail, I., Simpson, J., Casey, C., Chapman, S., …van der Werf, P. (2017). An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Spectroscopic Redshifts. Astrophysical Journal, 840(2), Article 78. https://doi.org/10.3847/1538-4357/aa6caf

We present spectroscopic redshifts of {\text{}}{S}870μ {{m}} ≳ 2 mJy submillimeter galaxies (SMGs), which have been identified from the ALMA follow-up observations of 870 μm detected sources in the Extended Chandra Deep Field South (the ALMA-LESS sur... Read More about An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Spectroscopic Redshifts.