SIMBAD references

1999A&AS..140..327M - Astron. Astrophys., Suppl. Ser., 140, 327-344 (1999/December-2)

Fundamental plane distances to early-type field galaxies in the South Equatorial Strip. I. The spectroscopic data.


Abstract (from CDS):

Radial velocities and central velocity dispersions are derived for 238 E/S0 galaxies from medium-resolution spectroscopy. New spectroscopic data have been obtained as part of a study of the Fundamental Plane distances and peculiar motions of early-type galaxies in three selected directions of the South Equatorial Strip, undertaken in order to investigate the reality of large-scale streaming motion; results of this study have been reported in Mueller et al. (1998ApJ...507L.105M ). The new APM South Equatorial Strip Catalog (-17.5deg<δ<+2.5deg) was used to select the sample of field galaxies in three directions: (1) 15h10-16h10; (2) 20h30-21h50; (3) 00h10-01h30. The spectra obtained have a median S/N per Å of 23, an instrumental resolution (FWHM) of ∼4Å, and the spectrograph resolution (dispersion) is ∼100km/s. The Fourier cross-correlation method was used to derive the radial velocities and velocity dispersions. The velocity dispersions have been corrected for the size of the aperture and for the galaxy effective radius. Comparisons of the derived radial velocities with data from the literature show that our values are accurate to 40 km.s–1. A comparison with results from Jorgensen et al. (1995MNRAS.276.1341J) shows that the derived central velocity dispersion have an rms scatter of 0.036 in logσ. There is no offset relative to the velocity dispersions of Davies et al. (1987ApJS...64..581D).

Abstract Copyright:

Journal keyword(s): techniques: spectroscopic - galaxies: distances and redshifts - galaxies: elliptical and lenticular, cD - galaxies: fundamental parameters

VizieR on-line data: <Available at CDS (J/A+AS/140/327): table5.dat table6.dat tables.tex>

Nomenclature: Table 5: [MWR99] NNNNNNNNW N=181.

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 82

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