NGC 5128: The Giant Beneath

@article{Harris2010NGC5T,
  title={NGC 5128: The Giant Beneath},
  author={Gretchen L. H. Harris},
  journal={Publications of the Astronomical Society of Australia},
  year={2010},
  volume={27},
  pages={475 - 481}
}
  • G. Harris
  • Published 27 April 2010
  • Physics
  • Publications of the Astronomical Society of Australia
Abstract This paper reviews what has been learned about the old stellar population of NGC 5128, the only large elliptical galaxy close enough that we can currently observe individual stars as faint as the horizontal branch. Although its galaxy type is still a matter of debate, the uncertainties over distance are now largely resolved; comparison of five stellar distance indicators gives d= 3.8±0.1 Mpc. The globular cluster system, which was once perplexingly invisible, is now known to be… 

The globular cluster/central black hole connection in galaxies

We explore the relation between the total globular population in a galaxy (NGC) and the mass of its central black hole (M•). Using a sample of 33 galaxies, twice as large as the original sample

DARK MATTER HALOS IN GALAXIES AND GLOBULAR CLUSTER POPULATIONS

We combine a new, comprehensive database for globular cluster populations in all types of galaxies with a new calibration of galaxy halo masses based entirely on weak lensing. Correlating these two

Eight Hundred New Candidates for Globular Clusters in NGC 5128 (Centaurus A)

We have used new wide-field imaging with the Magellan IMACS camera to search for globular cluster (GC) candidates around NGC 5128, the nearest giant E galaxy. The imaging data are in the B and R

Tracing the stellar halo of an early type galaxy out to 25 effective radii

  • M. Rejkuba
  • Physics
    Proceedings of the International Astronomical Union
  • 2015
Abstract We have used ACS and WFC3 cameras on board HST to resolve stars in the halo of NGC 5128 out to 140 kpc (25 effective radii, Reff) along the major axis and 70 kpc (13 Reff) along the minor

A recent major merger tale for the closest giant elliptical galaxy Centaurus A

We have used hydrodynamical simulations to model the formation of the closest giant elliptical galaxy, Centaurus A. We find that a single major merger event with a mass ratio up to 1.5, and which has

POSSIBLE SUBGROUPS OF GLOBULAR CLUSTERS AND PLANETARY NEBULAE IN NGC 5128

We use recently compiled position and velocity data for the globular cluster and planetary nebula subsystems in NGC 5128, the nearby giant elliptical, to search for evidence of past dwarf–satellite

Study of gravitational fields and globular cluster systems of early-type galaxies

Context.Gravitational fields at the outskirts of early-type galaxies (ETGs) are difficult to constrain observationally. It thus remains poorly explored how well the ΛCDM and MOND hypotheses agree

DUAL STELLAR HALOS IN THE STANDARD ELLIPTICAL GALAXY M105 AND FORMATION OF MASSIVE EARLY-TYPE GALAXIES

M105 is a standard elliptical galaxy, located in the Leo I Group. We present photometry of the resolved stars in its inner region at R ≈ 4′ ≈ 4Reff, obtained from F606W and F814W images in the Hubble

Globular clusters and supermassive black holes in galaxies: further analysis and a larger sample

We explore several correlations between various large-scale galaxy properties, particularly total globular cluster population (N_GCS), the central black hole mass (M_BH), velocity dispersion

The Faint End of the Centaurus A Satellite Luminosity Function

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 these two nearby, prominent galaxies. We

References

SHOWING 1-10 OF 70 REFERENCES

The Metallicity Distribution in the Halo Stars of NGC 5128: Implications for Galaxy Formation

We have used the Hubble Space Telescope to obtain WFPC2 V, I photometry for stars in the halo of NGC 5128, the nearest giant elliptical galaxy. The resulting color-magnitude diagram (CMD) of this

Wide-Field Washington Photometry of the NGC 5128 Globular Cluster System. I. The Database

To investigate the global properties of the globular cluster system (GCS) around NGC 5128, the central giant elliptical galaxy in the nearby Centaurus group, we have obtained deep CCD imaging for an

Stellar populations in NGC 5128 with the VLT: Evidence for recent star formation

We resolve stars of the nearest giant elliptical galaxy NGC 5128 using VLT with FORS1 and ISAAC. We construct deep U , V and K s color-magnitude and color-color diagrams in two different halo fields

The Leo Elliptical NGC 3379: A Metal-Poor Halo Emerges

We have used the ACS camera on HST to obtain (V, I) photometry for 5300 red giant stars in the halo of the dominant Leo group member NGC 3379, a galaxy usually regarded as a classic normal giant

The Halo Stars in NGC 5128. II. An Outer Halo Field and a New Metallicity Distribution

We present new Hubble Space Telescope WFPC2 (V, I) photometry for stars in NGC 5128 at a projected distance more than 30 kpc from the galaxy center. The color-magnitude diagram shows an old red-giant

The Globular Cluster System of NGC 5128. II. Ages, Metallicities, Kinematics, and Formation

We present a study of the nearby postmerger giant elliptical galaxy NGC 5128 (Centaurus A), in which we use the properties of its globular cluster (GC) and planetary nebula (PN) systems to constrain

A 2dF spectroscopic study of globular clusters in NGC 5128: probing the formation history of the nearest giant elliptical

We have performed a spectroscopic study of globular clusters (GCs) in the nearest giant elliptical NGC 5128 using the 2dF facility at the Anglo-Australian Telescope. We obtained integrated optical

Detection of the Tip of the Red Giant Branch in NGC 5128

We present a color-magnitude diagram of more than 10,000 stars in the halo of the galaxy NGC 5128 (Centaurus A), based on WFPC2 images through V-band and I-band filters. The position of the red giant

Radial Velocities of Newly Discovered Globular Clusters in NGC 5128

We present radial velocity measurements for 74 globular clusters (GCs) in the nearby giant elliptical galaxy NGC 5128, of which 31 are newly discovered. All the GC candidates were taken from the list

Deep ACS Imaging of the Halo of NGC 5128: Reaching the Horizontal Branch

Using the Hubble Space Telescope (HST) Wide Field Camera (WFC) of the Advanced Camera for Surveys (ACS), we have obtained deep (V, I) photometry of an outer halo field in NGC 5128, to a limiting
...