The globular cluster system of NGC 1404

Details The globular cluster system of NGC 1404 The globular cluster system of NGC 1404

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...264...25r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 264, no. 1, p. 25-31.

Astronomy and Astrophysics

Astrophysics

29

Elliptical Galaxies, Globular Clusters, Astronomical Photometry, Charge Coupled Devices, Color-Magnitude Diagram, Galactic Clusters, Luminosity

Scientific paper

We present V, R photometry of the globular cluster system (GCS) of the elliptical galaxy NGC 1404 in the Fornax cluster. We derive a specific frequency of S = 2.3 +/- 0.3. The turnover of the luminosity (LF) of the GCS of NGC 1404 is at V = 24.1 m +/- 0.2 m. We derive a mean color of (V - R)mean = 0.51 m. The galaxy itself is redder by about 0.1 m in (V - R) or approximately 0.3 m in (B - V). We discuss that, although NGC 1404 is at the distance of the Fornax cluster, it may not be a cluster member. This would explain the high X-ray luminosity, the low specific frequency, and the high radial velocity of this galaxy.

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