Search Results - "Fahlman, Gregory G"

Refine Results
  1. 1

    COMPARING THE WHITE DWARF COOLING SEQUENCES IN 47 Tuc AND NGC 6397 by Richer, Harvey B, GOLDSBURY, RYAN, Heyl, Jeremy, Hurley, Jarrod, Dotter, Aaron, Kalirai, Jason S, Woodley, Kristin A, Fahlman, Gregory G, Rich, R Michael, Shara, Michael M

    Published in The Astrophysical journal (01-12-2013)
    “…Using deep Hubble Space Telescope imaging, color-magnitude diagrams are constructed for the globular clusters 47 Tuc and NGC 6397. As expected, because of its…”
    Get full text
    Journal Article
  2. 2
  3. 3

    Probing the Faintest Stars in a Globular Star Cluster by Richer, Harvey B, Anderson, Jay, Brewer, James, Davis, Saul, Fahlman, Gregory G, Hansen, Brad M.S, Hurley, Jarrod, Kalirai, Jasonjot S, King, Ivan R, Reitzel, David, Rich, R. Michael, Shara, Michael M, Stetson, Peter B

    “…NGC 6397 is the second closest globular star cluster to the Sun. Using 5 days of time on the Hubble Space Telescope, we have constructed an ultradeep…”
    Get full text
    Journal Article
  4. 4

    Submillimetre sources in rich cluster fields: source counts, redshift estimates and cooling flow limits by Chapman, Scott C., Scott, Douglas, Borys, Colin, Fahlman, Gregory G.

    “…Recent submillimetre surveys have revealed a population of dusty, high-redshift sources of great cosmological significance for understanding dust-enshrouded…”
    Get full text
    Journal Article
  5. 5

    The Space Motion of the Globular Cluster NGC 6397 by Kalirai, Jasonjot S, Anderson, Jay, Richer, Harvey B, King, Ivan R, Brewer, James P, Carraro, Giovanni, Davis, Saul D, Fahlman, Gregory G, Hansen, Brad M. S, Hurley, Jarrod R, Lépine, Sébastien, Reitzel, David B, Rich, R. Michael, Shara, Michael M, Stetson, Peter B

    Published in The Astrophysical journal (10-03-2007)
    “…As a by-product of high-precision, ultradeep stellar photometry in the Galactic globular cluster NGC 6397 with the Hubble Space Telescope, we are able to…”
    Get full text
    Journal Article
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13

    ULTRA-DEEP HUBBLE SPACE TELESCOPE IMAGING OF THE SMALL MAGELLANIC CLOUD: THE INITIAL MASS FUNCTION OF STARS WITH M ≲ 1 M by Kalirai, Jason S., Anderson, Jay, Dotter, Aaron, Richer, Harvey B., Fahlman, Gregory G., Hansen, Brad M. S., Hurley, Jarrod, Reid, I. Neill, Rich, R. Michael, Shara, Michael M.

    Published in The Astrophysical journal (01-02-2013)
    “…We present a new measurement of the stellar initial mass function (IMF) based on ultra-deep, high-resolution photometry of >5000 stars in the outskirts of the…”
    Get full text
    Journal Article
  14. 14
  15. 15

    Low-mass stars in the spheroid of our Galaxy by Richer, Harvey B, Fahlman, Gregory G

    Published in Nature (London) (30-07-1992)
    “…The long-standing problem of the distribution of mass in the galaxy is discussed. Image analysis aimed at identifying faint stars in the galaxy confirms that…”
    Get full text
    Journal Article
  16. 16

    ULTRA-DEEP HUBBLE SPACE TELESCOPE IMAGING OF THE SMALL MAGELLANIC CLOUD: THE INITIAL MASS FUNCTION OF STARS WITH M [<, ~] 1 M sub([middot in circle]) by Kalirai, Jason S, Anderson, Jay, Dotter, Aaron, Richer, Harvey B, Fahlman, Gregory G, Hansen, Brad M S, Hurley, Jarrod, Reid, I Neill, Rich, R Michael, Shara, Michael M

    Published in The Astrophysical journal (01-02-2013)
    “…We present a new measurement of the stellar initial mass function (IMF) based on ultra-deep, high-resolution photometry of >5000 stars in the outskirts of the…”
    Get full text
    Journal Article
  17. 17
  18. 18
  19. 19
  20. 20

    The Galactic Inner Halo: Searching for White Dwarfs and Measuring the Fundamental Galactic Constant, theta sub(0)/R sub(0) by Kalirai, Jasonjot Singh, Richer, Harvey B, Hansen, Brad M, Stetson, Peter B, Shara, Michael M, Saviane, Ivo, Rich, RMichael, Limongi, Marco, Ibata, Rodrigo, Gibson, Brad K, Fahlman, Gregory G, Brewer, James

    Published in The Astrophysical journal (20-01-2004)
    “…We establish an extragalactic, zero-motion frame of reference within the deepest optical image of a globular star cluster, a Hubble Space Telescope (HST) 123…”
    Get full text
    Journal Article