H I observations in the Virgo Cluster area. II - A complete, magnitude-limited sample of spiral galaxies

1984 ◽  
Vol 55 ◽  
pp. 433 ◽  
Author(s):  
G. Helou ◽  
G. L. Hoffman ◽  
E. E. Salpeter
Keyword(s):  
Spiral Galaxies ◽  
Virgo Cluster ◽  
Limited Sample ◽  
Cluster Area

H I detection survey of a complete magnitude-limited sample of dwarf irregular galaxies in the Virgo Cluster area

1987 ◽  
Vol 63 ◽  
pp. 247 ◽  
Author(s):  
G. Lyle Hoffman ◽  
John Glosson ◽  
George Helou ◽  
E. E. Salpeter ◽  
A. Sandage
Keyword(s):  
Virgo Cluster ◽  
Limited Sample ◽  
Cluster Area ◽  
Irregular Galaxies ◽  
Dwarf Irregular Galaxies

scholarly journals The Black Hole Mass vs Bulge Mass Relationship in Spiral Galaxies

2001 ◽  
Vol 205 ◽  
pp. 58-61
Author(s):  
Alessandro Marconi ◽  
David Axon ◽  
John Atkinson ◽  
James Binney ◽  
Alessandro Capetti ◽  
...  
Keyword(s):  
Black Hole ◽  
Spatial Resolution ◽  
Mass Concentration ◽  
Rotation Curve ◽  
Spiral Galaxies ◽  
Surface Photometry ◽  
Black Hole Mass ◽  
Limited Sample ◽  
First Results ◽  
The Relationship

We describe an on-going HST program aimed at determining the relationship between the nuclear black hole mass and bulge mass in spiral galaxies. We have selected a volume limited sample of 54 nearby spiral galaxies for which we already have ground based emission line rotation curves, CCD surface photometry and radio maps. We are now obtaining HST/STIS longslit observations of each of the galaxies in the sample in order to determine the nuclear Hα rotation curve at high (∼ 0.1) spatial resolution. We will use these data to measure the unresolved dark mass concentration at the nucleus of each object. Here we show the first results from observations of objects in the sample.

scholarly journals THE STELLAR POPULATIONS OF STRIPPED SPIRAL GALAXIES IN THE VIRGO CLUSTER

2008 ◽  
Vol 136 (4) ◽  
pp. 1623-1644 ◽  
Author(s):  
Hugh H. Crowl ◽  
Jeffrey D. P. Kenney
Keyword(s):  
Spiral Galaxies ◽  
Stellar Populations ◽  
Virgo Cluster

scholarly journals Hubble Type Dependence in the Tolly-Fisher Relationship

1983 ◽  
Vol 6 ◽  
pp. 287-287
Author(s):  
Norbert Thonnard ◽  
Vera C. Rubin
Keyword(s):  
Spiral Galaxies ◽  
Optical Rotation ◽  
Rotation Velocity ◽  
Limited Sample ◽  
Rotation Curves ◽  
Cancer Clusters ◽  
End Members

Data from 60 field spiral galaxies shows that the Tully-Fisher (TF) relationships, MB vs. log(Vmax) and log(Dkpc) vs. log(Vmax), are both Hubble type dependent and that the slope in the MB–log(Vmax) correlation is steep, ~10.Our study, conducted in collaboration with W.K. Ford, Jr. and D. Burstein, is principally aimed at elucidating the intrinsic range of properties of spiral galaxies. Hence, we picked a sample of 21 Sc’s, 23 Sb’s and 16 Sa’s with the widest range in luminosity and radius we could find at each Hubble type. Type classifications come principally from Sandage and Tammann (RSA); a few from de Vaucouleurs et al. (RC2) and Nilson (UGC). We stress that this is not a volume limited sample; the end members in the luminosity or radius range of the galaxies at each Hubble type are quite rare. Vmax comes from the maximum observed optical rotation velocity. We also have 21-cm profiles for all Sc’s, 2/3 of the Sb’s and 1/2 of the Sa’s; the result remains the same whether Vmax comes from 21-cm profiles or optical rotation curves. But note, ~1/3 of the Sa galaxies observed were undetectable at 21-cm. This must introduce a bias in the infrared 21-cm TF results. Magnitude corrections come from Heiles and Burstein (1978), but corrections from the RC2 give the same result. We currently have data for 8 galaxies in the Pegasus I and Cancer clusters, which are also consistent with the results shown below.

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