Search Results - "Wakker, B"

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    Distances to Galactic High-Velocity Clouds. I. Cohen Stream, Complex GCP, Cloud g1 by Wakker, B. P, York, D. G, Wilhelm, R, Barentine, J. C, Richter, P, Beers, T. C, Ivezić, Ž, Howk, J. C

    Published in The Astrophysical journal (01-01-2008)
    “…The high- and intermediate-velocity interstellar clouds (HVCs/IVCs) are tracers of energetic processes in and around the Milky Way. Clouds with near-solar…”
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    Journal Article
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    The evolution of the low-density H i intergalactic medium from z = 3.6 to 0: data, transmitted flux, and H i column density by Kim, T-S, Wakker, B P, Nasir, F, Carswell, R F, Savage, B D, Bolton, J S, Fox, A J, Viel, M, Haehnelt, M G, Charlton, J C, Rosenwasser, B E

    “…ABSTRACT We present a new, uniform analysis of the H i transmitted flux (F) and H i column density ($N_{\mathrm{H\,{\small I}}}$) distribution in the…”
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    HIGH-VELOCITY CLOUDS by Wakker, B. P, van Woerden, H

    “…High-velocity clouds (HVCs) consist of neutral hydrogen (HI) at velocities incompatible with a simple model of differential galactic rotation; in practice one…”
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    Revealing the Ionization Properties of the Magellanic Stream Using Optical Emission by Barger, K. A., Madsen, G. J., Fox, A. J., Wakker, B. P., Bland-Hawthorn, J., Nidever, D., Haffner, L. M., Antwi-Danso, Jacqueline, Hernandez, Michael, Lehner, N., Hill, A. S., Curzons, A., Tepper-García, T.

    Published in The Astrophysical journal (20-12-2017)
    “…The Magellanic Stream, a gaseous tail that trails behind the Magellanic Clouds, could replenish the Milky Way (MW) with a tremendous amount of gas if it…”
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    Distances to Galactic High-Velocity Clouds: Complex C by Wakker, B. P, York, D. G, Howk, J. C, Barentine, J. C, Wilhelm, R, Peletier, R. F, van Woerden, H, Beers, T. C, Ivezić, Ž, Richter, P, Schwarz, U. J

    Published in The Astrophysical journal (01-12-2007)
    “…We report the first determination of a distance bracket for the high-velocity cloud (HVC) complex C. Combined with previous measurements showing that this…”
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    HST/COS detection of a Ne viii absorber towards PG 1407+265: an unambiguous tracer of collisionally ionized hot gas? by Hussain, T, Muzahid, S, Narayanan, A, Srianand, R, Wakker, B P, Charlton, J C, Pathak, A

    “…We report the detection of Ne viii in a ... = 0.599 61 absorber towards the QSO PG1407+265 (... = 0.94). Besides Ne viii, absorption from H i Lyman series…”
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    Circumgalactic Gas at Its Extreme: Tidal Gas Streams around the Whale Galaxy NGC 4631 Explored with HST/COS by Richter, P., Winkel, B., Wakker, B. P., Pingel, N. M., Fox, A. J., Heald, G., Walterbos, R. A. M., Fechner, C., Ben Bekhti, N., Gentile, G., Zschaechner, L.

    Published in The Astrophysical journal (01-12-2018)
    “…We present a detailed analysis of the absorption properties of one of the tidal gas streams around the "Whale" galaxy NGC 4631 in the direction of the quasar…”
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    O VI Absorbers Tracing Hot Gas Associated with a Pair of Galaxies at z = 0.167 by Savage, B. D, Narayanan, A, Wakker, B. P, Stocke, J. T, Keeney, B. A, Shull, J. M, Sembach, K. R, Yao, Y, Green, J. C

    Published in The Astrophysical journal (20-08-2010)
    “…High signal-to-noise observations of the QSO PKS 0405-123 (z {sub em} = 0.572) with the Cosmic Origins Spectrograph from 1134 to 1796 A with a resolution of…”
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    PRESENT-DAY GALACTIC EVOLUTION: LOW-METALLICITY, WARM, IONIZED GAS INFLOW ASSOCIATED WITH HIGH-VELOCITY CLOUD COMPLEX A by Barger, K A, Haffner, L M, Wakker, B P, Hill, Alex S, Madsen, G J, Duncan, A K

    Published in The Astrophysical journal (20-12-2012)
    “…The high-velocity cloud Complex A is a probe of the physical conditions in the Galactic halo. The kinematics, morphology, distance, and metallicity of Complex…”
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    THE PROPERTIES OF TWO LOW-REDSHIFT O vi ABSORBERS AND THEIR ASSOCIATED GALAXIES TOWARD 3C 263 by SAVAGE, B. D, KIM, T.-S, KEENEY, B, NARAYANAN, A, STOCKE, J, SYPHERS, D, WAKKER, B. P

    Published in The Astrophysical journal (01-07-2012)
    “…Ultraviolet observations of the QSO 3C 263 (z sub(em) = 0.652) with Cosmic Origins Spectrograph and FUSE reveal O VI absorption systems at z = 0.06342 and…”
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    Accretion of low-metallicity gas by the Milky Way by Wakker, B. P, Howk, J. C, Savage, B. D, van Woerden, H, Tufte, S. L, Schwarz, U. J, Benjamin, R, Reynolds, R. J, Peletier, R. F, Kalberla, P. M. W

    Published in Nature (London) (25-11-1999)
    “…Models of the chemical evolution of the Milky Way suggest that the observed abundances of elements heavier than helium ('metals') require a continuous infall…”
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    C II Radiative Cooling of the Diffuse Gas in the Milky Way by Lehner, N, Wakker, B. P, Savage, B. D

    Published in The Astrophysical journal (10-11-2004)
    “…The heating and cooling of the interstellar medium (ISM) allow the gas in the ISM to coexist at very different temperatures in thermal pressure equilibrium…”
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    Multiphase High-Velocity Clouds toward HE 0226–4110 and PG 0953+414 by Fox, Andrew J, Wakker, Bart P, Savage, Blair D, Tripp, Todd M, Sembach, Kenneth R, Bland-Hawthorn, Joss

    Published in The Astrophysical journal (01-09-2005)
    “…We study the physical conditions, elemental abundances, and kinematics of the high-velocity clouds (HVCs) along the sight lines toward active galaxies HE…”
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    High-resolution observations of interstellar Na i and Ca ii towards the southern opening of the ‘Local Interstellar Chimney’: probing the disc—halo connection by Crawford, I. A., Lallement, R., Price, R. J., Sfeir, D. M., Wakker, B. P., Welsh, B. Y.

    “…We present high-resolution (R = 400 000) observations of interstellar Ca ii and Na i absorption lines towards seven stars in the direction of the southern…”
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