Search Results - "Spekkens, K."

Refine Results
  1. 1

    The M101 Satellite Luminosity Function and the Halo-Halo Scatter among Local Volume Hosts by Bennet, P., Sand, D. J., Crnojevi, D., Spekkens, K., Karunakaran, A., Zaritsky, D., Mutlu-Pakdil, B.

    Published in The Astrophysical journal (10-11-2019)
    “…We have obtained deep Hubble Space Telescope (HST) imaging of 19 dwarf galaxy candidates in the vicinity of M101. Advanced Camera for Surveys HST photometry…”
    Get full text
    Journal Article
  2. 2

    The Faint End of the Centaurus A Satellite Luminosity Function by Crnojevi, D., Sand, D. J., Bennet, P., Pasetto, S., Spekkens, K., Caldwell, N., Guhathakurta, P., McLeod, B., Seth, A., Simon, J. D., Strader, J., Toloba, E.

    Published in The Astrophysical journal (10-02-2019)
    “…The Panoramic Imaging Survey of Centaurus and Sculptor (PISCeS) is constructing a wide-field map of the resolved stellar populations in the extended halos of…”
    Get full text
    Journal Article
  3. 3

    THE EXTENDED HALO OF CENTAURUS A: UNCOVERING SATELLITES, STREAMS, AND SUBSTRUCTURES by Crnojevic, D, Sand, D J, Spekkens, K, Caldwell, N, Guhathakurta, P, McLeod, B, Seth, A, Simon, J D, Strader, J, Toloba, E

    Published in The Astrophysical journal (20-05-2016)
    “…ABSTRACT We present the widest-field resolved stellar map to date of the closest ( Mpc) massive elliptical galaxy NGC 5128 (Centaurus A; Cen A), extending out…”
    Get full text
    Journal Article
  4. 4

    Discovery of Diffuse Dwarf Galaxy Candidates around M101 by Bennet, P., Sand, D. J., Crnojevi, D., Spekkens, K., Zaritsky, D., Karunakaran, A.

    Published in The Astrophysical journal (20-11-2017)
    “…We have conducted a search of a 9 deg2 region of the Canada-France-Hawaii-Telescope Legacy Survey around the Milky Way analog M101 (D ∼ 7 Mpc), in order to…”
    Get full text
    Journal Article
  5. 5
  6. 6
  7. 7

    Measuring galaxy asymmetries in 3D by Deg, N, Perron-Cormier, M, Spekkens, K, Glowacki, M, Blyth, S-L, Hank, N

    “…ABSTRACT One of the commonly used non-parametric morphometric statistics for galaxy profiles and images is the asymmetry statistic. With an eye to current and…”
    Get full text
    Journal Article
  8. 8

    ASymba: H  i global profile asymmetries in the simba simulation by Glowacki, M, Deg, N, Blyth, S-L, Hank, N, Davé, R, Elson, E, Spekkens, K

    “…ABSTRACT Asymmetry in the spatially integrated, 1D H i global profiles of galaxies can inform us on both internal (e.g. outflows) and external (e.g. mergers,…”
    Get full text
    Journal Article
  9. 9

    The incidence of bar-like kinematic flows in CALIFA galaxies by Holmes, L., Spekkens, K., Sánchez, S. F., Walcher, C. J., García-Benito, R., Mast, D., Cortijo-Ferrero, C., Kalinova, V., Marino, R. A., Mendez-Abreu, J., Barrera-Ballesteros, J. K.

    “…We carry out a direct search for bar-like non-circular flows in intermediate-inclination, gas-rich disc galaxies with a range of morphological types and…”
    Get full text
    Journal Article
  10. 10

    Hubble Space Telescope Imaging of Antlia B: Star Formation History and a New Tip of the Red Giant Branch Distance by Hargis, J. R., Albers, S., Crnojevi, D., Sand, D. J., Weisz, D. R., Carlin, J. L., Spekkens, K., Willman, B., Peter, A. H. G., Grillmair, C. J., Dolphin, A. E.

    Published in The Astrophysical journal (01-01-2020)
    “…A census of the satellite population around dwarf galaxy primary hosts in environments outside the Local Group is essential to understanding Λ cold dark matter…”
    Get full text
    Journal Article
  11. 11

    Hubble Space Telescope Imaging of the Ultra-compact High Velocity Cloud AGC 226067: A Stripped Remnant in the Virgo Cluster by Sand, D. J., Seth, A. C., Crnojevi, D., Spekkens, K., Strader, J., Adams, E. A. K., Caldwell, N., Guhathakurta, P., Kenney, J., Randall, S., Simon, J. D., Toloba, E., Willman, B.

    Published in The Astrophysical journal (10-07-2017)
    “…We analyze the optical counterpart to the ultra-compact high velocity cloud AGC 226067, utilizing imaging taken with the Advanced Camera for Surveys (ACS) on…”
    Get full text
    Journal Article
  12. 12
  13. 13
  14. 14

    Automated kinematic modelling of warped galaxy discs in large H i surveys: 3D tilted-ring fitting of H i emission cubes by Kamphuis, P., Józsa, G. I. G., Oh, S-.H., Spekkens, K., Urbancic, N., Serra, P., Koribalski, B. S., Dettmar, R.-J.

    “…Kinematical parametrizations of disc galaxies, employing emission line observations, are indispensable tools for studying the formation and evolution of…”
    Get full text
    Journal Article
  15. 15

    MIGHTEE – H  i . The relation between the H  i gas in galaxies and the cosmic web by Tudorache, Madalina N, Jarvis, M J, Heywood, I, Ponomareva, A A, Maddox, N, Frank, B S, Adams, N J, Bowler, R A A, Whittam, I H, Baes, M, Pan, H, Rajohnson, S H A, Sinigaglia, F, Spekkens, K

    “…ABSTRACT We study the 3D axis of rotation (3D spin) of 77 H i galaxies from the MIGHTEE-H i Early Science observations, and its relation to the filaments of…”
    Get full text
    Journal Article
  16. 16

    WALLABY pre-pilot survey: ultra-diffuse galaxies in the Eridanus supergroup by For, B-Q, Spekkens, K, Staveley-Smith, L, Bekki, K, Karunakaran, A, Catinella, B, Koribalski, B S, Lee-Waddell, K, Madrid, J P, Murugeshan, C, Rhee, J, Westmeier, T, Wong, O I, Zaritsky, D, Donnerstein, R

    “…ABSTRACT We present a pilot study of the atomic neutral hydrogen gas (H i) content of ultra-diffuse galaxy (UDG) candidates. In this paper, we use the…”
    Get full text
    Journal Article
  17. 17

    WALLABY pilot survey: first look at the Hydra I cluster and ram pressure stripping of ESO 501−G075 by Reynolds, T N, Westmeier, T, Elagali, A, Catinella, B, Cortese, L, Deg, N, For, B-Q, Kamphuis, P, Kleiner, D, Koribalski, B S, Lee-Waddell, K, Oh, S-H, Rhee, J, Serra, P, Spekkens, K, Staveley-Smith, L, Stevens, A R H, Taylor, E N, Wang, J, Wong, O I

    “…ABSTRACT We present results from neutral atomic hydrogen (H i) observations of Hydra I, the first cluster observed by the Widefield ASKAP L-band Legacy All-sky…”
    Get full text
    Journal Article
  18. 18
  19. 19
  20. 20

    Hubble Space Telescope Imaging of Isolated Local Volume Dwarfs GALFA Dw3 and Dw4 by Bennet, P., Sand, D. J., Crnojević, D., Weisz, D. R., Caldwell, N., Guhathakurta, P., Hargis, J. R., Karunakaran, A., Mutlu-Pakdil, B., Olszewski, E., Salzer, J. J., Seth, A. C., Simon, J. D., Spekkens, K., Stark, D. P., Strader, J., Tollerud, E. J., Toloba, E., Willman, B.

    Published in The Astrophysical journal (01-01-2022)
    “…Abstract We present observations of the dwarf galaxies GALFA Dw3 and GALFA Dw4 with the Advanced Camera for Surveys on the Hubble Space Telescope. These…”
    Get full text
    Journal Article