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  • Broad absorption line disappearance and emergence using multiple-epoch spectroscopy from the Sloan Digital Sky Survey 
    McGraw, S. M.; Brandt, W. N.; Grier, C. J.; Filiz Ak, N.; Hall, P. B.; Schneider, D. P.; Anderson, S. F.; Green, P. J.; Hutchinson, T. A.; Macleod, C. L.; Vivek, M. (2017)
    We investigate broad absorption line (BAL) disappearance and emergence using a 470 BAL-quasar sample over =0.10-5.25 rest-frame years with at least three spectroscopic epochs for each quasar from the Sloan Digital Sky ...
  • Broad Absorption Line Disappearance on Multi-year Timescales in a Large Quasar Sample 
    Filiz Ak, N.; Brandt, W. N.; Hall, P. B.; Schneider, D. P.; Anderson, S. F.; Gibson, R. R.; Lundgren, B. F.; Myers, A. D.; Petitjean, P.; Ross, Nicholas P.; Shen, Yue; York, D. G.; Bizyaev, D.; Brinkmann, J.; Malanushenko, E.; Oravetz, D. J.; Pan, K.; Simmons, A. E.; Weaver, B. A. (2012)
    We present 21 examples of C IV broad absorption line (BAL) trough disappearance in 19 quasars selected from systematic multi-epoch observations of 582 bright BAL quasars (1.9 <SUP>-1</SUP>. We discuss possible origins of ...
  • Broad Host Range of SARS-CoV-2 Predicted by Comparative and Structural Analysis of ACE2 in Vertebrates 
    Damas, Joana; Hughes, Graham M.; Keough, Kathleen C.; Painter, Corrie A.; Persky, Nicole S.; Corbo, Marco; Hiller, Michael; Koepfli, Klaus-Peter; Pfenning, Andreas R.; Zhao, Huabin; Genereux, Diane P.; Swofford, Ross; Pollard, Katherine S.; Ryder, Oliver A.; Nweeia, Martin T.; Lindblad-Toh, Kerstin; Teeling, Emma C.; Karlsson, Elinor K.; Lewin, Harris A. (2020)
    Abstract The novel coronavirus SARS-CoV-2 is the cause of Coronavirus Disease-2019 (COVID-19). The main receptor of SARS-CoV-2, angiotensin I converting enzyme 2 (ACE2), is now undergoing extensive scrutiny to understand ...
  • Broad host susceptibility of North American amphibian species to <i>Batrachochytrium salamandrivorans</i> suggests high invasion potential and biodiversity risk 
    Gray, Matthew J.; Carter, Edward Davis; Piovia-Scott, Jonah; Cusaac, J. Patrick W.; Peterson, Anna C.; Whetstone, Ross D.; Hertz, Andreas; Muniz-Torres, Aura Y.; Bletz, Molly C.; Woodhams, Douglas C.; Romansic, John M.; Sutton, William B.; Sheley, Wesley; Pessier, Allan; McCusker, Catherine D.; Wilber, Mark Q.; Miller, Debra L. (2023)
    Batrachochytrium salamandrivorans (Bsal) is a fungal pathogen of amphibians that is emerging in Europe and could be introduced to North America through international trade or other pathways. To evaluate the risk of Bsal ...
  • A broad iron line in LMC X-1 
    Steiner, James F.; Reis, Rubens C.; Fabian, Andrew C.; Remillard, Ronald A.; McClintock, Jeffrey E.; Gou, Lijun; Cooke, Ryan; Brenneman, Laura W.; Sanders, Jeremy S. (2012)
    We present results from a deep Suzaku observation of the black hole in LMC X-1, supplemented by coincident monitoring with the Rossi X-ray Timing Explorer (RXTE). We identify broad relativistic reflection features in a ...
  • Broad Non-Gaussian Fe XXIV Line Profiles in the Impulsive Phase of the 2017 September 10 X8.3-class Flare Observed by Hinode/EIS 
    Polito, Vanessa; Dudík, Jaroslav; Ka parová, Jana; Dzifcáková, Elena; Reeves, Katharine K.; Testa, Paola; Chen, Bin (2018)
    We analyze the spectra of high-temperature Fe XXIV lines observed by the Hinode/Extreme-Ultraviolet Imaging Spectrometer (EIS) during the impulsive phase of the X8.3-class flare on 2017 September 10. The line profiles are ...
  • Broad North Atlantic distribution of a meiobenthic annelid - against all odds 
    Worsaae, Katrine; Kerbl, Alexandra; Vang, Áki; Gonzalez, Brett C. (2019)
    DNA barcoding and population genetic studies have revealed an unforeseen hidden diversity of cryptic species among microscopic marine benthos, otherwise exhibiting highly similar and simple morphologies. This has led to a ...
  • Broad Phylogenomic Sampling and the Sister Lineage of Land Plants 
    Timme, Ruth E.; Bachvaroff, Tsvetan R.; Delwiche, Charles F. (2012)
    The tremendous diversity of land plants all descended from a single charophyte green alga that colonized the land somewhere between 430 and 470 million years ago. Six orders of charophyte green algae, in addition to ...
  • The Broad Spectrum Revolution at 40: Resource diversity, intensification, and an alternative to optimal foraging explanations 
    Zeder, Melinda A. (2012)
    More than 40 years ago Kent Flannery coined the term Broad Spectrum Revolution (BSR) in reference to a broadening of the subsistence base of Late Pleistocene hunterâ gatherers in the Near East that preceded and helped ...
  • The broad-band SEDs of four `hypervariable&#39; AGN 
    Collinson, James S.; Ward, Martin J.; Lawrence, Andy; Bruce, Alastair; MacLeod, Chelsea L.; Elvis, Martin; Gezari, Suvi; Marshall, Philip J.; Done, Chris (2018)
    We present an optical-to-X-ray spectral analysis of four `hypervariable&#39; AGN (HVAs) discovered by comparing Pan-STARRS data to that from the Sloan Digital Sky Survey over a 10 yr baseline (Lawrence et al.). There is ...
  • The Broad-band X-Ray Spectrum of IC 4329A from a Joint NuSTAR/Suzaku Observation 
    Brenneman, L. W.; Madejski, G.; Fuerst, F.; Matt, G.; Elvis, M.; Harrison, F. A.; Ballantyne, D. R.; Boggs, S. E.; Christensen, F. E.; Craig, W. W.; Fabian, A. C.; Grefenstette, B. W.; Hailey, C. J.; Madsen, K. K.; Marinucci, A.; Rivers, E.; Stern, D.; Walton, D. J.; Zhang, W. W. (2014)
    We have obtained a deep, simultaneous observation of the bright, nearby Seyfert galaxy IC 4329A with Suzaku and NuSTAR. Through a detailed spectral analysis, we are able to robustly separate the continuum, absorption, and ...
  • Broad-scale effects of hypoxia on benthic community structure in Chesapeake Bay, USA 
    Seitz, Rochelle Diane; Dauer, Daniel M.; Llanso, Roberto J.; Long, W. Christopher (2009)
    Benthic communities provide secondary production for higher trophic levels, and changes in benthic community structure can be a harbinger for associated food web alterations. Benthic communities can be affected by variations ...
  • Broad-scale nonindigenous species monitoring along the west coast in National Marine Sanctuaries and National Estuarine Research Reserves 
    deRivera, Catherine E.; Ruiz, Gregory M.; Crooks, Jeffrey A.; Wasson, Kerstin; Lonhart, Steve I.; Fofonoff, Paul W.; Steves, Brian P.; Rumrill, Steven S.; Brancato, Mary Sue; Pegau, W. Scott; Bulthuis, Douglas A.; Preisler, Rikke Kvist; Schoch, G. Carl; Bowlby, Ed; DeVogelaere, Anderw; Crawford, Maurice K.; Gittings, Stephen R.; Hines, Anson H.; Takata, Lynn; Larson, Kristen J.; Huber, Tami; Leyman, Anne Marie; Collinetti, Esther; Pasco, Tiffany; Shull, Suzanne; Anderson, Mary; Powell, Sue (2005)
    None
  • Broad-scale trophic shift in the pelagic North Pacific revealed by an oceanic seabird 
    Ostrom, Peggy H.; Wiley, Anne E.; James, Helen F.; Rossman, Sam; Walker, William A.; Zipkin, Elise F.; Chikaraishi, Yoshito (2017)
  • Broad-Scale Weather Patterns Encountered during Flight Influence Landbird Stopover Distributions 
    Clipp, Hannah L.; Cohen, Emily B.; Smolinsky, Jaclyn A.; Horton, Kyle G.; Farnsworth, Andrew; Buler, Jeffrey J. (2020)
    The dynamic weather conditions that migrating birds experience during flight likely influence where they stop to rest and refuel, particularly after navigating inhospitable terrain or large water bodies, but effects of ...
  • The Broadband and Spectrally Resolved H-band Eclipse of KELT-1b and the Role of Surface Gravity in Stratospheric Inversions in Hot Jupiters 
    Beatty, Thomas G.; Madhusudhan, Nikku; Pogge, Richard; Chung, Sun Mi; Bierlya, Allyson; Gaudi, B. Scott; Latham, David W. (2017)
    We present a high-precision H-band emission spectrum of the transiting brown dwarf KELT-1b, which we spectrophotometrically observed during a single secondary eclipse using the LUCI1 multiobject spectrograph on the Large ...
  • The Broadband Counterpart of the Short GRB 200522A at z = 0.5536: A Luminous Kilonova or a Collimated Outflow with a Reverse Shock? 
    Fong, W.; Laskar, T.; Rastinejad, J.; Escorial, A. Rouco; Schroeder, G.; Barnes, J.; Kilpatrick, C. D.; Paterson, K.; Berger, Edo; Metzger, B. D.; Dong, Y.; Nugent, A. E.; Strausbaugh, R.; Blanchard, P. K.; Goyal, A.; Cucchiara, A.; Terreran, G.; Alexander, K. D.; Eftekhari, T.; Fryer, C.; Margalit, B.; Margutti, R.; Nicholl, M. (2021)
    We present the discovery of the radio afterglow and near-infrared (NIR) counterpart of the Swift short gamma-ray burst (GRB) GRB 200522A, located at a small projected offset of ?1 kpc from the center of a young, star-forming ...
  • Broadband dependence of atmospheric transmissions in the UV and total solar radiation 
    Lee, Hana; Kim, Woogyung; Lee, Yun G.; Koo, Ja-Ho; Jung, Yeonjin; Park, Sang S.; Cho, Hi-Ku; Kim, Jhoon (2019)
    Atmospheric broadband transmissions of clouds, aerosols, and ozone in the erythemally weighted ultraviolet (EUV, 290-320 nm), total (spectrally integrated) ultraviolet (TUV, 290-363 nm), and total global solar (GS, 305-2800 ...
  • Broadband Jet Emission in Young and Powerful Radio Sources: The Case of the Compact Steep Spectrum Quasar 3C 186 
    Migliori, Giulia; Siemiginowska, Aneta; Celotti, Annalisa (2012)
    We present the X-ray analysis of a deep (~200 ks) Chandra observation of the compact steep spectrum radio-loud quasar 3C 186 (z = 1.06) and investigate the contribution of the unresolved radio jet to the total X-ray emission. ...
  • The Broadband Spectral Variability of MCG-6-30-15 Observed by NuSTAR and XMM-Newton 
    Marinucci, A.; Matt, G.; Miniutti, G.; Guainazzi, M.; Parker, M. L.; Brenneman, L.; Fabian, A. C.; Kara, E.; Arevalo, P.; Ballantyne, D. R.; Boggs, S. E.; Cappi, M.; Christensen, F. E.; Craig, W. W.; Elvis, M.; Hailey, C. J.; Harrison, F. A.; Reynolds, C. S.; Risaliti, G.; Stern, D. K.; Walton, D. J.; Zhang, W. (2014)
    MCG-6-30-15, at a distance of 37 Mpc (z = 0.008), is the archetypical Seyfert 1 galaxy showing very broad Fe Ka emission. We present results from a joint NuSTAR and XMM-Newton observational campaign that, for the first ...

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