Search Results - "LEHMER, B. D"

A magnetar-powered X-ray transient as the aftermath of a binary neutron-star merger by Xue, Y. Q., Zheng, X. C., Li, Y., Brandt, W. N., Zhang, B., Luo, B., Zhang, B.-B., Bauer, F. E., Sun, H., Lehmer, B. D., Wu, X.-F., Yang, G., Kong, X., Li, J. Y., Sun, M. Y., Wang, J.-X., Vito, F.

“…Mergers of neutron stars are known to be associated with short γ-ray bursts 1 – 4 . If the neutron-star equation of state is sufficiently stiff (that is, the…”
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THE EVOLUTION OF NORMAL GALAXY X-RAY EMISSION THROUGH COSMIC HISTORY: CONSTRAINTS FROM THE 6 MS CHANDRA DEEP FIELD-SOUTH by Lehmer, B. D., Basu-Zych, A. R., Mineo, S., Brandt, W. N., Eufrasio, R. T., Fragos, T., Hornschemeier, A. E., Luo, B., Xue, Y. Q., Bauer, F. E., Gilfanov, M., Ranalli, P., Schneider, D. P., Shemmer, O., Tozzi, P., Trump, J. R., Vignali, C., Wang, J.-X., Yukita, M., Zezas, A.

“…ABSTRACT We present measurements of the evolution of normal-galaxy X-ray emission from 0-7 using local galaxies and galaxy samples in the 6 Ms Chandra Deep…”
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A Chandra Perspective on Galaxy-wide X-ray Binary Emission and its Correlation with Star Formation Rate and Stellar Mass: New Results from Luminous Infrared Galaxies by Lehmer, B. D, Alexander, D. M, Bauer, F. E, Brandt, W. N, Goulding, A. D, Jenkins, L. P, Ptak, A, Roberts, T. P

“…We present new Chandra observations that complete a sample of seventeen (17) luminous infrared galaxies (LIRGs) with D < 60 Mpc and low Galactic column…”
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Black Hole Growth Is Mainly Linked to Host-galaxy Stellar Mass Rather Than Star Formation Rate by Yang, G., Chen, C.-T. J., Vito, F., Brandt, W. N., Alexander, D. M., Luo, B., Sun, M. Y., Xue, Y. Q., Bauer, F. E., Koekemoer, A. M., Lehmer, B. D., Liu, T., Schneider, D. P., Shemmer, O., Trump, J. R., Vignali, C., Wang, J.-X.

“…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…”
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The deepest X-ray view of high-redshift galaxies: constraints on low-rate black hole accretion by Vito, F., Gilli, R., Vignali, C., Brandt, W.N., Comastri, A., Yang, G., Lehmer, B. D., Luo, B., Basu-Zych, A., Bauer, F. E., Cappelluti, N., Koekemoer, A., Mainieri, V., Paolillo, M., Ranalli, P., Shemmer, O., Trump, J., Wang, J. X., Xue, Y. Q.

“…We exploit the 7 Ms Chandra observations in the Chandra Deep Field-South (CDF-S), the deepest X-ray survey to date, coupled with CANDELS/GOODS-S data, to…”
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Color-Magnitude Relations of Active and Non-active Galaxies in the Chandra Deep Fields: High-redshift Constraints and Stellar-mass Selection Effects by Xue, Y. Q, Brandt, W. N, Luo, B, Rafferty, D. A, Alexander, D. M, Bauer, F. E, Lehmer, B. D, Schneider, D. P, Silverman, J. D

“…We extend color-magnitude relations for moderate-luminosity X-ray active galactic nucleus (AGN) hosts and non-AGN galaxies through the galaxy formation epoch…”
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THE 4 Ms CHANDRA DEEP FIELD-SOUTH NUMBER COUNTS APPORTIONED BY SOURCE CLASS: PERVASIVE ACTIVE GALACTIC NUCLEI AND THE ASCENT OF NORMAL GALAXIES by LEHMER, B. D, XUE, Y. Q, PAOLILLO, M, PTAK, A, SHEMMER, O, SCHNEIDER, D. P, TOZZI, P, VIGNALI, C, BRANDT, W. N, ALEXANDER, D. M, BAUER, F. E, BRUSA, M, COMASTRI, A, GILLI, R, HORNSCHEMEIER, A. E, LUO, B

“…We present 0.5-2 keV, 2-8 keV, 4-8 keV, and 0.5-8 keV (hereafter soft, hard, ultra-hard, and full bands, respectively) cumulative and differential number-count…”
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On the Spatially Resolved Star Formation History in M51. I. Hybrid UV+IR Star Formation Laws and IR Emission from Dust Heated by Old Stars by Eufrasio, R. T., Lehmer, B. D., Zezas, A., Dwek, E., Arendt, R. G., Basu-Zych, A., Wiklind, T., Yukita, M., Fragos, T., Hornschemeier, A. E., Markwardt, L., Ptak, A., Tzanavaris, P.

“…We present Lightning, a new spectral energy distribution fitting procedure, capable of quickly and reliably recovering star formation history (SFH) and…”
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Towards a complete census of active galactic nuclei in nearby galaxies: the incidence of growing black holes by Goulding, A. D., Alexander, D. M., Lehmer, B. D., Mullaney, J. R.

“…We investigate the local supermassive black hole (SMBH) density function and relative mass accretion rates of all active galactic nuclei (AGNs) identified in a…”
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Young Accreting Compact Objects in M31: The Combined Power of NuSTAR, Chandra, and Hubble by Lazzarini, M., Hornschemeier, A. E., Williams, B. F., Wik, D., Vulic, N., Yukita, M., Zezas, A., Lewis, A. R., Durbin, M., Ptak, A., Bodaghee, A., Lehmer, B. D., Antoniou, V., Maccarone, T.

“…We present 15 high-mass X-ray binary (HMXB) candidates in the disk of M31 for which we are able to infer compact object type, spectral type of the donor star,…”
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The Evolution of AGN Host Galaxies: From Blue to Red and the Influence of Large-Scale Structures by Silverman, J. D, Mainieri, V, Lehmer, B. D, Alexander, D. M, Bauer, F. E, Bergeron, J, Brandt, W. N, Gilli, R, Hasinger, G, Schneider, D. P, Tozzi, P, Vignali, C, Koekemoer, A. M, Miyaji, T, Popesso, P, Rosati, P, Szokoly, G

“…We present an analysis of 109 moderate-luminosity AGNs in the Extended Chandra Deep Field-South survey, which is drawn from 5549 galaxies from the COMBO-17 and…”
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The Chandra Deep Protocluster Survey: Evidence for an Enhancement of AGN Activity in the SSA22 Protocluster at z = 3.09 by Lehmer, B. D, Alexander, D. M, Geach, J. E, Smail, Ian, Basu-Zych, A, Bauer, F. E, Chapman, S. C, Matsuda, Y, Scharf, C. A, Volonteri, M, Yamada, T

“…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…”
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INVERSE COMPTON X-RAY HALOS AROUND HIGH-z RADIO GALAXIES: A FEEDBACK MECHANISM POWERED BY FAR-INFRARED STARBURSTS OR THE COSMIC MICROWAVE BACKGROUND? by SMAIL, Ian, BLUNDELL, Katherine M, LEHMER, B. D, ALEXANDER, D. M

“…We report the detection of extended X-ray emission around two powerful radio galaxies at z ~ 3.6 (4C 03.24 and 4C 19.71) and use these to investigate the…”
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The Chandra Deep Protocluster Survey: point-source catalogues for a 400-ks observation of the z= 3.09 protocluster in SSA22 by Lehmer, B. D., Alexander, D. M., Chapman, S. C., Smail, Ian, Bauer, F. E., Brandt, W. N., Geach, J. E., Matsuda, Y., Mullaney, J. R., Swinbank, A. M.

“…We present X-ray point-source catalogues for a deep ≈400-ks Chandra ACIS-I (Advanced CCD Imaging Spectrometer) exposure of the SSA22 field. The observations…”
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Identification of the Hard X-Ray Source Dominating the E > 25 keV Emission of the Nearby Galaxy M31 by Yukita, M., Ptak, A., Hornschemeier, A. E., Wik, D., Maccarone, T. J., Pottschmidt, K., Zezas, A., Antoniou, V., Ballhausen, R., Lehmer, B. D., Lien, A., Williams, B., Baganoff, F., Boyd, P. T., Enoto, T., Kennea, J., Page, K. L., Choi, Y.

“…We report the identification of a bright hard X-ray source dominating the M31 bulge above 25 keV from a simultaneous NuSTAR-Swift observation. We find that…”
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Tracing the Mass-Dependent Star Formation History of Late-Type Galaxies Using X-Ray Emission: Results from the Chandra Deep Fields by Lehmer, B. D, Brandt, W. N, Alexander, D. M, Bell, E. F, Hornschemeier, A. E, McIntosh, D. H, Bauer, F. E, Gilli, R, Mainieri, V, Schneider, D. P, Silverman, J. D, Steffen, A. T, Tozzi, P, Wolf, C

“…We report on the X-ray evolution over the last [sim]9 Gyr of cosmic history (i.e., since [image]) of late-type galaxy populations in the Chandra Deep…”
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A submillimetre galaxy at z= 4.76 in the LABOCA survey of the Extended Chandra Deep Field-South by Coppin, K. E. K., Smail, Ian, Alexander, D. M., Weiss, A., Walter, F., Swinbank, A. M., Greve, T. R., Kovacs, A., De Breuck, C., Dickinson, M., Ibar, E., Ivison, R. J., Reddy, N., Spinrad, H., Stern, D., Brandt, W. N., Chapman, S. C., Dannerbauer, H., Van Dokkum, P., Dunlop, J. S., Frayer, D., Gawiser, E., Geach, J. E., Huynh, M., Knudsen, K. K., Koekemoer, A. M., Lehmer, B. D., Menten, K. M., Papovich, C., Rix, H.-W., Schinnerer, E., Wardlow, J. L., Van Der Werf, P. P.

“…We report on the identification of the highest redshift submillimetre-selected source currently known LESS J033229.4−275619. This source was detected in the…”
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TRACKING DOWN THE SOURCE POPULATION RESPONSIBLE FOR THE UNRESOLVED COSMIC 6-8 keV BACKGROUND by XUE, Y. Q, WANG, S. X, SCHNEIDER, D. P, VIGNALI, C, YOUNG, M, BRANDT, W. N, LUO, B, ALEXANDER, D. M, BAUER, F. E, COMASTRI, A, FABIAN, A. C, GILLI, R, LEHMER, B. D

“…Using the 4 Ms Chandra Deep Field-South (CDF-S) survey, we have identified a sample of 6845 X-ray-undetected galaxies that dominates the unresolved 20%-25% of…”
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The X-Ray Evolution of Early-Type Galaxies in the Extended Chandra Deep Field-South by Lehmer, B. D, Brandt, W. N, Alexander, D. M, Bell, E. F, McIntosh, D. H, Bauer, F. E, Hasinger, G, Mainieri, V, Miyaji, T, Schneider, D. P, Steffen, A. T

“…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…”
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The cosmic history of hot gas cooling and radio active galactic nucleus activity in massive early-type galaxies by Danielson, A. L. R., Lehmer, B. D., Alexander, D. M., Brandt, W. N., Luo, B., Miller, N., Xue, Y. Q., Stott, J. P.

“…We study the X-ray properties of 393 optically selected early-type galaxies (ETGs) over the redshift range of z≈ 0.0-1.2 in the Chandra Deep Fields (CDFs). To…”
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