Physics & Atmospheric Science Faculty Research, Publications and Presentations: Recent submissions

Now showing items 101-120 of 532

  • Sub-mm and near-IR observations of galaxies selected at 170 microns 

    Sajina, A., C. Borys, S. Chapman, H. Dole, et al. 2003. "Sub-mm and near-IR observations of galaxies selected at 170 microns." Monthly Notices of the Royal Astronomical Society 343(4): 1365-1375
    We present results from JCMT sub-mm observations of sources selected from the {\sl ISO} FIRBACK (Far-IR BACKground) survey, along with UKIRT near-IR imaging of a sub-sample. This gives valuable insight into the brightest ...

  • The SCUBA-2 Cosmology Legacy Survey: demographics of the 450 \mu m-population 

    Roseboom, I. G., J. S. Dunlop, M. Cirasuolo, J. E. Geach, et al. 2013. "The SCUBA-2 Cosmology Legacy Survey: demographics of the 450 \mu m-population." Monthly Notices of the Royal Astronomical Society 436:430.
    We investigate the multi-wavelength properties of a sample of 450-\mu m selected sources from the SCUBA-2 Cosmology Legacy Survey (S2CLS). A total of 69 sources were identified above 4\sigma\ in deep SCUBA-2 450-\mu m ...

  • The Herschel Multi-Tiered Extragalactic Survey: SPIRE-mm Photometric Redshifts 

    Roseboom, I. G., R. J. Ivison, T. R. Greve, A. Amblard, et al. 2011. "The Herschel Multi-Tiered Extragalactic Survey: SPIRE-mm Photometric Redshifts." Monthly Notices of the Royal Astronomical Society 419:2758.
    We investigate the potential of submm-mm and submm-mm-radio photometric redshifts using a sample of mm-selected sources as seen at 250, 350 and 500 {\mu}m by the SPIRE instrument on Herschel. From a sample of 63 previously ...

  • PAndAS' progeny: extending the M31 dwarf galaxy cabal 

    Richardson, Jenny C., Mike Irwin, Alan W. McConnachie, Nicolas F. Martin, et al. 2011. "PAndAS' progeny: extending the M31 dwarf galaxy cabal." The Astrophysical Journal 732 (2):76.
    We present the discovery of five new dwarf galaxies, Andromeda XXIII-XXVII, located in the outer halo of M31. These galaxies were found in the second year of data from the Pan-Andromeda Archaeological Survey (PAndAS) of ...

  • A trio of new Local Group galaxies with extreme properties 

    McConnachie, Alan, Avon Huxor, Nicolas Martin, Mike Irwin, et al. 2008. "A trio of new Local Group galaxies with extreme properties." The Astrophysical Journal 688(2): 1009-1020
    We report on the discovery of three new dwarf galaxies in the Local Group. These galaxies are found in new CFHT/MegaPrime g,i imaging of the south-western quadrant of M31, extending our extant survey area to include the ...

  • A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region 

    Morganti, R., M. A. Garrett, S. Chapman, W. Baan, et al. 2004. "A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region." 424(1): 371-378
    The First Look Survey (FLS) is the first scientific product to emerge from the Spitzer Space Telescope. A small region of this field (the verification strip) has been imaged very deeply, permitting the detection of ...

  • Extragalactic millimeter-wave point source catalog, number counts and statistics from 771 square degrees of the SPT-SZ Survey 

    Mocanu, L. M., T. M. Crawford, J. D. Vieira, K. A. Aird, et al. 2013. "Extragalactic millimeter-wave point source catalog, number counts and statistics from 771 square degrees of the SPT-SZ Survey." The Astrophysical Journal 179:61
    We present a point source catalog from 771 square degrees of the South Pole Telescope Sunyaev Zel'dovich (SPT-SZ) survey at 95, 150, and 220 GHz. We detect 1545 sources above 4.5 sigma significance in at least one band. ...

  • Mapping the Clumpy Structures within Submillimeter Galaxies using Laser-Guide Star Adaptive Optics Spectroscopy 

    Menéndez-Delmestre, Karín, Andrew W. Blain, Mark Swinbank, Ian Smail, et al. 2013. "Mapping the Clumpy Structures within Submillimeter Galaxies using Laser-Guide Star Adaptive Optics Spectroscopy." The Astrophysical Journal 767(2):151
    We present the first integral-field spectroscopic observations of high-redshift submillimeter-selected galaxies (SMGs) using Laser Guide Star Adaptive Optics (LGS-AO). We target H-alpha emission of three SMGs at redshifts ...

  • AzTEC half square degree survey of the SHADES fields - II. Identifications, redshifts, and evidence for large-scale structure 

    Michałowski, M. J., J. S. Dunlop, R. J. Ivison, Michele Cirasuolo, et al. 2012. "AzTEC half square degree survey of the SHADES fields - II. Identifications, redshifts, and evidence for large-scale structure." Monthly Notices of the Royal Astronomical Society 426:1845
    The AzTEC 1.1 mm survey of the SCUBA HAlf Degree Extragalactic Survey (SHADES) fields is the largest (0.7 deg2) blank-field millimetre-wavelength survey undertaken to date at a resolution of ~18" and a depth of ~1 mJy. We ...

  • News from the Galactic suburbia: the chemical composition of the remote globular cluster NGC 2419 

    Mucciarelli, A., M. Bellazzini, R. Ibata, T. Merle, et al. 2012. "News from the Galactic suburbia: the chemical composition of the remote globular cluster NGC 2419." Monthly Notices of the Royal Astronomical Society 426:2889.
    We present the chemical analysis of 49 giant stars of the globular cluster NGC 2419, using medium resolution spectra collected with the multi-object spectrograph DEIMOS@Keck. Previous analysis of this cluster revealed a ...

  • Clustering of Submillimeter-Selected Galaxies 

    Blain, Andrew W., Scott S. Chapman, Ian Smail, and Rob Ivison. 2004. "Clustering of Submillimeter-Selected Galaxies." The Astrophysical Journal 611(2): 725-731
    Using accurate positions from very deep radio observations to guide multi-object Keck spectroscopy, we have determined a substantially complete redshift distribution for very luminous, distant submillimeter(submm)-selected ...

  • Interferometric Observations of Powerful CO Emission from the three Submillimeter Galaxies at z=2.30, 2.51 and 3.35 

    Neri, R., R. Genzel, R. J. Ivison, F. Bertoldi, et al. 2003. "Interferometric Observations of Powerful CO Emission from the three Submillimeter Galaxies at z=2.30, 2.51 and 3.35." The Astrophysical Journal 597(2): 113-L116. 10.1086/379968
    We report IRAM Plateau de Bure, millimeter interferometry of three z=~2.4 to 3.4, SCUBA deep field galaxies. Our CO line observations confirm the rest-frame UV/optical redshifts, thus more than doubling the number of ...

  • Mid-Infrared Spectroscopy of High Redshift Submillimeter Galaxies: First Results 

    Menéndez-Delmestre, Karín, Andrew W. Blain, Dave M. Alexander, Ian Smail, et al. 2007. "Mid-Infrared Spectroscopy of High Redshift Submillimeter Galaxies: First Results." The Astrophysical Journal 655(2): 65-L68
    We present mid-infrared spectra of 5 submillimeter galaxies at z=0.65-2.38 taken with the Spitzer Space Telescope. Four of these sources, at z<1.5, have strong PAH features and their composite spectrum is well fitted ...

  • Mid-Infrared Spectroscopy of Submillimeter Galaxies: Extended Star Formation in Massive High Redshift Galaxies 

    Menéndez-Delmestre, Karín, Andrew W. Blain, Ian Smail, Dave M. Alexander, et al. 2009. "Mid-Infrared Spectroscopy of Submillimeter Galaxies: Extended Star Formation in Massive High Redshift Galaxies." The Astrophysical Journal 699(1):667.
    We used the Spitzer Infrared Spectrograph (IRS) to study the mid-IR properties and investigate the energetics of 24 Submillimeter Galaxies (SMGs). This is the largest sample of SMGs observed with Spitzer IRS and covers the ...

  • Accurate Spectral energy distributions and selection effects for high-redshift dusty galaxies: a new hot population to discover with the Spitzer Space Telescope? 

    Blain, Andrew W., Scott C. Chapman, Ian Smail, and Rob Ivison. 2004. "Accurate Spectral energy distributions and selection effects for high-redshift dusty galaxies: a new hot population to discover with the Spitzer Space Telescope?." The Astrophysical Journal 611(1): 52-58
    The spectral energy distributions (SEDs) of dust-enshrouded galaxies with powerful restframe far-infrared emission have been constrained by a range of ground-based and space-borne surveys. The IRAS catalog provides a ...

  • The inverse-Compton ghost HDF 130 and the giant radio galaxy 6C 0905+3955: matching an analytic model for double radio source evolution 

    Mocz, Philip, A. C. Fabian, Katherine M. Blundell, P. T. Goodall, et al. 2011. "The inverse-Compton ghost HDF 130 and the giant radio galaxy 6C 0905+3955: matching an analytic model for double radio source evolution." Monthly Notices of the Royal Astronomical Society 417:1576.

  • Discovery and analysis of three faint dwarf galaxies and a globular cluster in the outer halo of the Andromeda galaxy 

    Martin, N. F., R. A. Ibata, M. J. Irwin, S. Chapman, et al. 2006. "Discovery and analysis of three faint dwarf galaxies and a globular cluster in the outer halo of the Andromeda galaxy." Monthly Notices of the Royal Astronomical Society 371(4): 1983-1991
    We present the discovery of three faint dwarf galaxies and a globular cluster in the halo of the Andromeda galaxy (M31), found in our MegaCam survey that spans the southern quadrant of M31, from a projected distance of ~50 ...

  • Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey 

    Marleau, Francine R., D. Fadda, L. J. Storrie-Lombardi, G. Helou, et al. 2004. "Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey." The Astrophysical Journal Supplement Series 154(1): 66-69
    We present the Spitzer MIPS 24 micron source counts in the Extragalactic First Look Survey main, verification and ELAIS-N1 fields. Spitzer's increased sensitivity and efficiency in large areal coverage over previous infrared ...

  • PAndAS' cubs: discovery of two new dwarf galaxies in the surroundings of the Andromeda and Triangulum galaxies 

    Martin, Nicolas F., Alan W. McConnachie, Mike Irwin, Lawrence M. Widrow, et al. 2009. "PAndAS' cubs: discovery of two new dwarf galaxies in the surroundings of the Andromeda and Triangulum galaxies." The Astrophysical Journal 705(1):758.
    We present the discovery of two new dwarf galaxies, Andromeda XXI and Andromeda XXII, located in the surroundings of the Andromeda and Triangulum galaxies (M31 and M33). These discoveries stem from the first year data of ...

  • An upper limit to [C II] emission in a z ~= 5 galaxy 

    Marsden, Gaelen, Colin Borys, Scott C. Chapman, Mark Halpern, et al. 2005. "An upper limit to [C II] emission in a z ~= 5 galaxy." Monthly Notices of the Royal Astronomical Society 359(1): 43-46
    Low-ionization-state far-infrared (FIR) emission lines may be useful diagnostics of star-formation activity in young galaxies, and at high redshift may be detectable from the ground. In practice, however, very little is ...