Search Results - "Hornschemeier, A E"

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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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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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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EXPLORING X-RAY BINARY POPULATIONS IN COMPACT GROUP GALAXIES WITH CHANDRA by Tzanavaris, P., Hornschemeier, A. E., Gallagher, S. C., Lenki, L., Desjardins, T. D., Walker, L. M., Johnson, K. E., Mulchaey, J. S.

“…ABSTRACT We obtain total galaxy X-ray luminosities, LX, originating from individually detected point sources in a sample of 47 galaxies in 15 compact groups of…”
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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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Ultraviolet+Infrared Star Formation Rates: Hickson Compact Groups with Swift and Spitzer by Tzanavaris, P, Hornschemeier, A. E, Gallagher, S. C, Johnson, K. E, Gronwall, C, Immler, S, Reines, A. E, Hoversten, E, Charlton, J. C

“…We present Swift UVOT ultraviolet (UV; 1600-3000 A) data with complete three-band UV photometry for a sample of 41 galaxies in 11 nearby (<4500 km s{sup -1})…”
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DEEP ULTRAVIOLET LUMINOSITY FUNCTIONS AT THE INFALL REGION OF THE COMA CLUSTER by HAMMER, D. M, HORNSCHEMEIER, A. E, SALIM, S, SMITH, R, JENKINS, L, MOBASHER, B, MILLER, N, FERGUSON, H

“…We have used deep GALEX observations at the infall region of the Coma cluster to measure the faintest ultraviolet (UV) luminosity functions (LFs) presented for…”
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The Chandra Deep Field-North Survey. XVII. Evolution of Magnetic Activity in Old Late-Type Stars by Feigelson, E. D, Hornschemeier, A. E, Micela, G, Bauer, F. E, Alexander, D. M, Brandt, W. N, Favata, F, Sciortino, S, Garmire, G. P

“…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-…”
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Uncovering the Near-IR Dwarf Galaxy Population of the Coma Cluster with Spitzer IRAC by Jenkins, L. P, Hornschemeier, A. E, Mobasher, B, Alexander, D. M, Bauer, F. E

“…We present the first results of a Spitzer IRAC (Infrared Array Camera) wide-field survey of two regions of the Coma Cluster. The observations cover two fields;…”
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The Revealing Dust: Mid-Infrared Activity in Hickson Compact Group Galaxy Nuclei by Gallagher, S. C, Johnson, K. E, Hornschemeier, A. E, Charlton, J. C, Hibbard, J. E

“…We present a sample of 46 galaxy nuclei from 12 nearby (z < 4500 km s super(-1)) Hickson Compact Groups (HCGs) with a complete suite of 1-24 mu m 2MASS +…”
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The Chandra Deep Survey of the Hubble Deep Field-North Area. II. Results from the Caltech Faint Field Galaxy Redshift Survey Area by Hornschemeier, A. E, Brandt, W. N, Garmire, G. P, Schneider, D. P, Barger, A. J, Broos, P. S, Cowie, L. L, Townsley, L. K, Bautz, M. W, Burrows, D. N, Chartas, G, Feigelson, E. D, Griffiths, R. E, Lumb, D, Nousek, J. A, Ramsey, L. W, Sargent, W. L. W

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On the Spatially Resolved Star Formation History in M51. II. X-Ray Binary Population Evolution by Lehmer, B. D., Eufrasio, R. T., Markwardt, L., Zezas, A., Basu-Zych, A., Fragos, T., Hornschemeier, A. E., Ptak, A., Tzanavaris, P., Yukita, M.

“…We present a new technique for empirically calibrating how the X-ray luminosity function (XLF) of X-ray binary (XRB) populations evolves following a star…”
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The Chandra Deep Field-North Survey. VII. X-Ray Emission from Lyman Break Galaxies by Brandt, W. N, Hornschemeier, A. E, Schneider, D. P, Alexander, D. M, Bauer, F. E, Garmire, G. P, Vignali, C

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Black Holes and Neutron Stars in Nearby Galaxies: Insights from NuSTAR by Vulic, N., Hornschemeier, A. E., Wik, D. R., Yukita, M., Zezas, A., Ptak, A. F., Lehmer, B. D., Antoniou, V., Maccarone, T. J., Williams, B. F., Fornasini, F. M.

“…Nearby galaxy surveys have long classified X-ray binaries (XRBs) by the mass category of their donor stars (high-mass and low-mass). The NuSTAR observatory,…”
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SPATIALLY RESOLVING A STARBURST GALAXY AT HARD X-RAY ENERGIES: NuSTAR , CHANDRA , AND VLBA OBSERVATIONS OF NGC 253 by Wik, D R, Lehmer, B D, Hornschemeier, A E, Yukita, M, Ptak, A, Zezas, A, Antoniou, V, Argo, M K, Bechtol, K, Boggs, S

“…Prior to the launch of NuSTAR, it was not feasible to spatially resolve the hard (E > 10 keV) emission from galaxies beyond the Local Group. The combined…”
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Very High Redshift X-Ray-selected Active Galactic Nuclei in the Chandra Deep Field-North by Barger, A. J, Cowie, L. L, Capak, P, Alexander, D. M, Bauer, F. E, Brandt, W. N, Garmire, G. P, Hornschemeier, A. E

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A HARD X-RAY STUDY OF THE NORMAL STAR-FORMING GALAXY M83 WITH NuSTAR by Yukita, M., Hornschemeier, A. E., Lehmer, B. D., Ptak, A., Wik, D. R., Zezas, A., Antoniou, V., Maccarone, T. J., Replicon, V., Tyler, J. B., Venters, T., Argo, M. K., Bechtol, K., Boggs, S., Christensen, F. E., Craig, W. W., Hailey, C., Harrison, F., Krivonos, R., Kuntz, K., Stern, D., Zhang, W. W.

“…ABSTRACT We present the results from sensitive, multi-epoch NuSTAR observations of the late-type star-forming galaxy M83 (d = 4.6 Mpc). This is the first…”
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A Long Hard-X-Ray Look at the Dual Active Galactic Nuclei of M51 with NuSTAR by Brightman, M., Balokovi, M., Koss, M., Alexander, D. M., Annuar, A., Earnshaw, H., Gandhi, P., Harrison, F. A., Hornschemeier, A. E., Lehmer, B., Powell, M. C., Ptak, A., Rangelov, B., Roberts, T. P., Stern, D., Walton, D. J., Zezas, A.

“…We present a broadband X-ray spectral analysis of the M51 system, including the dual active galactic nuclei (AGNs) and several off-nuclear point sources. Using…”
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