High Spatial Resolution Galactic 3D Extinction Mapping with IPHAS (2008)
Sale, S. E., Drew, J. E., Unruh, Y. C., Irwin, M. J., Knigge, C., Phillipps, S., ...
We present an algorithm ({\scshape mead}, for `Mapping Extinction Against Distance') which will determine intrinsic ($r' - i'$) colour, extinction, and distance for early-A to K4 stars extracted from...
A planetary nebula around nova V458 Vul undergoing flash ionization (2008)
Wesson, R., Barlow, M. J., Corradi, R. L. M., Drew, J. E., Groot, P. J., Knigge, C., ...
Nova V458 Vul erupted on 2007 August 8th and reached a visual magnitude of 8.1 a few days later. H$\alpha$ images obtained six weeks before the outburst as part of the IPHAS galactic plane survey...
Extremely red stellar objects revealed by IPHAS (2008)
Wright, N. J., Greimel, R., Barlow, M. J., Drew, J. E., Cioni, M. -R. L., Zijlstra, A. A., ...
We present photometric analysis and follow-up spectroscopy for a population of extremely red stellar objects extracted from the point-source catalogue of the INT Photometric H-Alpha Survey (IPHAS) of...
Leo V: A Companion of a Companion of the Milky Way Galaxy (2008)
Belokurov, V., Walker, M. G., Evans, N. W., Faria, D. C., Gilmore, G., Irwin, M. J., ...
We report the discovery of a new Milky Way dwarf spheroidal galaxy in the constellation of Leo identified in data from the Sloan Digital Sky Survey. Leo V lies at a distance of about 180 kpc, and is...
Early-A stars from IPHAS, and their distribution in and around the Cyg OB2 association. (2008)
Drew, J.E., Greimel, R., Irwin, M.J., Sale, S.E.
‘The definitive version is available at www.blackwell-synergy.com.’ Copyright Blackwell Publishing DOI: 10.1111/j.1365-2966.2008.13147.x
Gonzalez-Solares, E.A., Walton, N.A., Greimel, R., Drew, J.E., Irwin, M.J., Sale, S.E., ...
‘The definitive version is available at www.blackwell-synergy.com.’ Copyright Blackwell Publishing DOI: 10.1111/j.1365-2966.2008.13399.x
The Luminosity Function of the Milky Way Satellites (2007)
Koposov, S., Belokurov, V., Evans, N. W., Hewett, P. C., Irwin, M. J., Gilmore, G., ...
We quantify the detectability of stellar Milky Way satellites in the Sloan Digital Sky Survey (SDSS) Data Release 5. We show that the effective search volumes for the recently discovered...
Spectroscopic observations of eight supernovae at intermediate redshift (2007)
Balland, C., Mouchet, M., Amanullah, R., Astier, P., Fabbro, S., Folatelli, G., ...
We present spectra of six Type Ia and two Type II supernovae obtained in June 2002 at the William Herschel Telescope during a search for Type Ia supernovae (SNIa) at intermediate redshift. Supernova...
The Hercules-Aquila Cloud (2007)
Belokurov, V., Evans, N. W., Bell, E. F., Irwin, M. J., Hewett, P. C., Koposov, S., ...
We present evidence for a substantial overdensity of stars in the direction of the constellations of Hercules and Aquila. The Cloud is centered at a Galactic longitude of about 40 degrees and extends...
Discovery of an Unusual Dwarf Galaxy in the Outskirts of the Milky Way (2007)
Irwin, M. J., Belokurov, V., Evans, N. W., Ryan-Weber, E. V., Koposov, S., ...
In this Letter, we announce the discovery of a new dwarf galaxy, Leo T, in the Local Group. It was found as a stellar overdensity in the Sloan Digital Sky Survey Data Release 5 (SDSS DR5). The...
Draco, a flawless dwarf galaxy (2007)
Ségall, M., Ibata, R. A., Irwin, M. J., Martin, N. F., Chapman, S.
The Draco dwarf spheroidal galaxy (dSph), with its apparent immense mass-to-light ratio and compact size, holds many clues to the nature of the enigmatic dark matter. Here we present deep photometric...
The discovery of two extremely low luminosity Milky Way globular clusters (2007)
Koposov, S., Belokurov, V., Rix, H. W., Zucker, D. B., Evans, N. W., ...
We report the discovery of two extremely low luminosity globular clusters in the Milky Way halo. These objects were detected in the Sloan Digital Sky Survey Data Release 5 and confirmed with deeper...
Discovery of an unusual dwarf galaxy in the outskirts of the Milky Way (2007)
Irwin, M. J., Belokurov, V., Evans, N. W., Ryan-Weber, E. V., Koposov, S., ...
We announce the discovery of a new dwarf galaxy, Leo T, in the Local Group. It was found as a stellar overdensity in the Sloan Digital Sky Survey Data Release 5 (SDSS DR5). The color-magnitude...
Cats and dogs, hair and a hero: a quintet of New Milky Way companions (2007)
Belokurov, V., Zucker, D. B., Evans, N. W., Kleyna, J. T., Koposov, S., Hodgkin, S. T., ...
We present five new satellites of the Milky Way discovered in Sloan Digital Sky Survey (SDSS) imaging data, four of which were followed up with either the Subaru or the Isaac Newton Telescopes. They...
An Orphan in the ``Field of Streams'' (2007)
Belokurov, V., Evans, N. W., Irwin, M. J., Lynden-Bell, D., Yanny, B., Vidrih, S., ...
We use Sloan Digital Sky Survey Data Release 5 photometry and spectroscopy to study a tidal stream that extends over ~50° in the north Galactic cap. From the analysis of the path of the stream and...
The Hercules-Aquila cloud (2007)
Belokurov, V., Evans, N. W., Bell, E. F., Irwin, M. J., Hewett, P. C., Koposov, S., ...
We present evidence for a substantial overdensity of stars in the direction of the constellations of Hercules and Aquila. The cloud is centered at a Galactic longitude of l~40deg and extends above...
A very cool brown dwarf in UKIDSS DR1. (2007)
Warren, S.J., Mortlock, D.J., Leggett, S., Pinfield, D.J., Homeier, D., Dye, S., ...
Inside the whale: the structure and dynamics of the isolated Cetus dwarf spheroidal (2006)
Lewis, G. F., Ibata, R. A., Chapman, S. C., McConnachie, A., Irwin, M. J., Tolstoy, E., ...
This paper presents a study of the Cetus dwarf, an isolated dwarf galaxy within the Local Group. A matched-filter analysis of the INT/WFC imaging of this system reveals no evidence for significant...
The UKIRT infrared deep sky survey early data release (2006)
Dye, S., Warren, S.J., Hambly, N.C., Cross, N.J.G., Hodgkin, S.T., Irwin, M.J., ...
This paper defines the UKIRT Infrared Deep Sky Survey (UKIDSS) Early Data Release (EDR). UKIDSS is a set of five large near-infrared surveys being undertaken with the United Kingdom Infrared...
The UKIRT Infrared Deep Sky Survey First Data Release (2006)
Warren, S. J., Hambly, N. C., Dye, S., Almaini, O., Cross, N. J. G., Edge, A. C., ...
The First Data Release (DR1) of the UKIRT Infrared Deep Sky Survey (UKIDSS) took place on 2006 July 21. UKIDSS is a set of five large near-infrared surveys, covering a complementary range of areas,...
Martin, N. F., Ibata, R. A., Irwin, M. J., Chapman, S., Lewis, G. F., Ferguson, A. M. N., ...
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...
Burleigh, M. R., Marsh, T. R., Gansicke, B. T., Goad, M. R., Dhillon, V. S., Littlefair, S. P., ...
Optical time series photometry of the short period magnetic white dwarf + probable brown dwarf binary SDSS 121209.31+013627.7 reveals pulse-like variability in all bands from i' to u', peaking at u'....
A Curious New Milky Way Satellite in Ursa Major (2006)
Zucker, D. B., Belokurov, V., Evans, N. W., Kleyna, J. T., Irwin, M. J., Wilkinson, M. I., ...
In this Letter, we study a localized stellar overdensity in the constellation of Ursa Major, first identified in Sloan Digital Sky Survey (SDSS) data and subsequently followed up with Subaru imaging....
A New Milky Way Dwarf Satellite in Canes Venatici (2006)
Zucker, D. B., Belokurov, V., Evans, N. W., Wilkinson, M. I., Irwin, M. J., Sivarani, T., ...
In this Letter, we announce the discovery of a new dwarf satellite of the Milky Way, located in the constellation Canes Venatici. It was found as a stellar overdensity in the North Galactic Cap using...
A Faint New Milky Way Satellite in Bootes (2006)
Belokurov, V., Zucker, D. B., Evans, N. W., Wilkinson, M. I., Irwin, M. J., Hodgkin, S., ...
In this Letter, we announce the discovery of a new satellite of the Milky Way in the constellation of Bootes at a distance of 60 kpc. It was found in a systematic search for stellar overdensities in...
Planetary Nebula Velocities in the Disk and Bulge of M31 (2006)
Halliday, C., Carter, D., Bridges, T. J., Jackson, Z. C., Wilkinson, M. I., Quinn, D. P., ...
We present radial velocities for a sample of 723 planetary nebulae (PNe) in the disk and bulge of M31, measured using the WYFFOS fibre spectrograph on the William Herschel telescope. Velocities are...
Burleigh, Matthew R., Marsh, T.R., Gänsicke, B.T., Goad, Michael R., Dhillon, V.S., Littlefair, S.P., ...
Submitted for publication in Monthly Notices of the Royal Astronomical Society by the Royal Astronomical Society and Blackwell Publishing.
A new Milky Way dwarf satellite in Canes Venatici (2006)
Zucker, D. B., Belokurov, V., Evans, N. W., Wilkinson, M. I., Irwin, M. J., Sivarani, T., ...
In this Letter, we announce the discovery of a new dwarf satellite of the Milky Way, located in the constellation Canes Venatici. It was found as a stellar overdensity in the north Galactic cap using...
A curious Milky Way satellite in Ursa Major (2006)
Zucker, D. B., Belokurov, V., Evans, N. W., Kleyna, J. T., Irwin, M. J., Wilkinson, M. I., ...
In this Letter, we study a localized stellar overdensity in the constellation of Ursa Major, first identified in Sloan Digital Sky Survey (SDSS) data and subsequently followed up with Subaru imaging....
A faint new Milky Way satellite in Bootes (2006)
Belokurov, V., Zucker, D. B., Evans, N. W., Wilkinson, M. I., Irwin, M. J., Hodgkin, S., ...
We announce the discovery of a new satellite of the Milky Way in the constellation of Bootes at a distance of ~60 kpc. It was found in a systematic search for stellar overdensities in the north...
The field of streams: Sagittarius and its siblings (2006)
Belokurov, V., Zucker, D. B., Evans, N. W., Gilmore, G., Vidrih, S., Bramich, D. M., ...
We use Sloan Digital Sky Survey (SDSS) Data Release 5 (DR5) u, g, r, i, z photometry to study Milky Way halo substructure in the area around the north Galactic cap. A simple color cut (g-r
The Discovery of Tidal Tails Around NGC 5466 (2005)
Belokurov, V., Evans, N. W., Irwin, M. J., Hewett, P. C., Wilkinson, M. I.
We report the discovery of tidal tails around the high-latitude Galactic globular cluster NGC 5466 in Sloan Digital Sky Survey (SDSS) data. Neural networks are used to reconstruct the probability...
Distances and metallicities for 17 local group galaxies (2005)
McConnachie, A. W., Irwin, M. J., Ferguson, A. M. N., Ibata, R. A., Lewis, G. F., Tanvir, N.
A new population of extended, luminous star clusters in the halo of M31 (2005)
Huxor, A.P., Tanvir, Nial R., Irwin, M.J., Ibata, R., Collett, J.L., Ferguson, A.M.N., ...
The INT Photometric Ha Survey of the Northern Galactic Plane (IPHAS). (2005)
Drew, J.E., Greimel, R., Irwin, M.J., Aungwerojwit, A., Barlow, M.J., Corradi, R.L.M., ...
Distances and Metallicities for 17 Local Group Galaxies (2004)
McConnachie, A. W., Irwin, M. J, Ferguson, A. M. N., Ibata, R. A., Lewis, G. F., Tanvir, N.
We have obtained Johnson V and Gunn i photometry for a large number of Local Group galaxies using the Isaac Newton Telescope Wide Field Camera (INT WFC). The majority of these galaxies are members of...
Lewis, G. F., Ibata, R. A., Chapman, S. C., Ferguson, A. M. N., McConnachie, A. W., Irwin, M. J., ...
A dwarf galaxy remnant in Canis Major: the fossil of an in-plane accretion onto the Milky Way (2003)
Martin, N. F., Ibata, R. A., Bellazzini, M., Irwin, M. J., Lewis, G. F., Dehnen, W.
We present an analysis of the asymmetries in the population of Galactic M-giant stars present in the 2MASS All Sky catalogue. Several large-scale asymmetries are detected, the most significant of...
The three-dimensional structure of the giant stellar stream in Andromeda (2003)
McConnachie, A. W., Irwin, M. J., Ibata, R. A., Ferguson, A. M . N., Lewis, G. F., Tanvir, N.
The three-dimensional structure of the giant stellar stream in Andromeda (2003)
McConnachie, A. W., Irwin, M. J., Ibata, R. A., Ferguson, A. M . N., Lewis, G. F., Tanvir, N.
Implications For The Hubble Constant from the First Seven Supernovae at z >= 0.35 (1997)
Gabi, S., Goldhaber, G., Groom, D. E., Hook, I. M., Kim, M. Y., ...
The Supernova Cosmology Project has discovered over twenty-eight supernovae (SNe) at 0.35
Perlmutter, S., Gabi, S., Goldhaber, G., Groom, D. E., Hook, I. M., Kim, A. G., ...
We have developed a technique to systematically discover and study high-redshift supernovae that can be used to measure the cosmological parameters. We report here results based on the initial seven...
Dosser, L. R., Gilmore, D. A., Pallix, J. B., Irwin, M. J., Atkinson, G. H.
1. ``Time-Resolved Raman Spectroscopy'' in Advances in Infrared and Raman Spectroscopy, R.J.H. Clark and R.E. Hester, ed., Heyden, London, in press. 2. G.H. Atkinson and L.R. Dosser, J. Chem. Phys....