Catalogue of Shakhbazian compact groups of galaxies. VIII

Stoll, D.; Tiersch, H.; Cordis, L.

doi:10.1002/asna.2113180103

Cited by 10 publications

(10 citation statements)

References 11 publications

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“…In the original papers the positions of groups were given with relatively low accuracy. To study the groups in detail the correct positions of member galaxies have been determined (Stoll et al 1993a(Stoll et al , 1993b(Stoll et al , 1994a(Stoll et al , 1994b(Stoll et al , 1996c(Stoll et al , 1997a(Stoll et al , 1997b(Stoll et al , 1997c.…”

Section: Introductionmentioning

confidence: 99%

Shakhbazian compact galaxy groups

Tiersch¹,

Tovmassian²,

Stoll³

et al. 2002

A&A

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Abstract. Shakhbazian compact galaxy groups belong to the interesting class of compact groups. Because of their large number (the catalogue contains 377 entries) we are able to study the groups in different stages of evolution. Here we give the results of detailed study of four groups, ShCG 154, ShCG 166, ShCG 328 and ShCG 360. We present the redshifts of individual galaxies in groups, the results of the surface photometry in BVR, the contourplots of the surface brightness versus effective radius of galaxies, the twisting postion angle versus effective radius of galaxies, the radial velocity dispersions, the crossing times, the mass-to-luminosity ratios of groups and the results of the X-ray study. The dynamical state of groups, interactions between member galaxies, and the physical parameters of groups are discussed.

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Section: Introductionmentioning

confidence: 99%

Shakhbazian compact galaxy groups

Tiersch¹,

Tovmassian²,

Stoll³

et al. 2002

A&A

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“…The coordinates of the centers of the studied groups taken from Stoll et al (1997aStoll et al ( , 1997b and the extinctions Q B , (Schlegel et al 1998), are given in Table 1. Table 2 lists the telescopes, the sites and dates of observations.…”

Section: Observations and Resultsmentioning

confidence: 99%

“…The galaxy identification numbers are from Stoll et al (1997aStoll et al ( , 1997b. The reduction of observational data is described in detail in Papers I and II.…”

Section: Direct Imaging and Photometrymentioning

confidence: 99%

Shakhbazian compact galaxy groups

Tovmassian¹,

Tiersch²,

Navarro³

et al. 2004

A&A

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Abstract. In 1995 we commenced a detailed spectral and photometric study of Shakhbazian compact groups. In this paper the results on groups ShCG 181, ShCG 344, ShCG 361, and ShCG 362 are presented. The redshifts of member galaxies in groups and the radial velocity dispersions, the results of the surface photometry in BVR, the profiles of the surface brightness versus semi-major axis a (or a 1/4 ) and the twisting position angle versus semi-major axis of galaxies, virial masses, luminosities and mass-to-luminosity ratios, and the crossing times of groups are given. It is shown that some members of groups are in the process of interaction. On the basis of the results obtained in this and previous works, the general properties of thirteen ShCGs are discussed.

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“…The groups Shkh 241 and 301 (missing in our list) could not be re-identified because of a printing error of the coordinates in the original list (Baier & Tiersch 1976,). T h e group Shkh 252 is identical with Shkh 214 (already published in Stoll et al 1997). T h e groups Shkli 261 till 337 are south of 6 > +2'30'.…”

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confidence: 86%