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- W4231539276 abstract "view Abstract Citations (87) References (24) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS H I Studies of the Sculptor Group Galaxies. III. NGC 55 Puche, Daniel ; Carignan, Claude ; Wainscoat, Richard J. Abstract A VLA study of the H I properties of the Sculptor group galaxy NGC 55 is presented. The H I distribution is found to be nonsymmetrical with respect to the general light distribution and a warp of the H I plane is observed on the northwest side. The total H I flux density of 1522 Jy km s^-1^ corresponds to an H I mass of 0.9 X 10^9^M_sun_. As for the light distribution, the luminosity profile is well determined over 6 mag in surface brightness. The total blue luminosity of 4.2 X 10^9^L_sun_ is much smaller than previously estimated. The rotation curve, derived from a full tilted ring model, rises slowly out to ~ 12' and then stays more or less flat out to r ~22'. The mass distribution, obtained by fitting a two-component model to the rotation curve, gives a total mass of 1.8 X 10^10^M_sun_ at the last point of the rotation curve. This value implies a mass-to-light ratio of (M/L_B_)_global_ = 4.3 M_sun_/L_sun_. Publication: The Astronomical Journal Pub Date: February 1991 DOI: 10.1086/115695 Bibcode: 1991AJ....101..447P Keywords: Galactic Clusters; Hydrogen; Astronomical Models; Brightness Distribution; Galactic Rotation; Mass Distribution; Mass To Light Ratios; Very Large Array (Vla); Astrophysics; GALAXIES: INDIVIDUAL; GALAXIES: INTERNAL MOTIONS full text sources ADS | data products SIMBAD (2) NED (1) Related Materials (13) Part 1: 1988AJ.....95.1025P Part 1: 1990NASCP3098..129C Part 2: 1990AJ....100..394C Part 3: 1995ADIL...DP...05C Part 4: 1990AJ....100..641C Part 5: 1991AJ....101..456P Part 5: 1995ADIL...DP...01P Part 6: 1990AJ....100.1468P Part 7: 1991ApJ...378..487P Part 7: 1995ADIL...DP...02C Part 8: 2006AJ....132.2527C Part 9: 1995ADIL...DP...03P Part 11: 1995ADIL...DP...04P" @default.
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- W4231539276 date "1991-02-01" @default.
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- W4231539276 title "H I studies of the Sculptor group galaxies. III - NGC 55" @default.
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