Catalogue of Shakhbazian compact groups of galaxies. X

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

doi:10.1002/asna.2113180303

Cited by 13 publications

(10 citation statements)

References 12 publications

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“…While ShCGs consist mainly of E and S0 galaxies, North is up, east is left. Designations of galaxies are given according to Stoll et al (1997). all galaxies in ShCG 376 are spirals. This group differs from other observed ShCGs also by its high content of emission-line galaxies.…”

Section: Introductionmentioning

confidence: 99%

Shakhbazian compact galaxy groups

Tovmassian¹,

Tiersch²,

Chavushyan³

et al. 2003

A&A

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Abstract. The results of the redshift measurements and of the detailed surface photometry in BVR of the compact group ShCG 376 are presented. The radial velocity dispersion, the virial mass, the total luminosity, the M/L ratio, and the crossing time of the group are estimated. The group consists of eight accordant redshift spiral galaxies. Four (or possibly five) of the group members have emission-line spectra. Such morphological content and the number of emission-line galaxies are very atypical for compact galaxy groups. There are signs of interaction between some members of the group. It is suggested that the irregular shape of the brightest galaxy No. 4 is probably due to interaction with other members of the group, particularly, the emission line galaxy No. 6 with a discordant redshift (∆v = 2600 km s −1 ). It is speculated that the latter galaxy may be a infalling intruder to the group.

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Section: Introductionmentioning

confidence: 99%

Shakhbazian compact galaxy groups

Tovmassian¹,

Tiersch²,

Chavushyan³

et al. 2003

A&A

Self Cite

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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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“…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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Catalogue of Shakhbazian compact groups of galaxies. X

Abstract: The tenth part of the catalogue of Sliakltbazian groups contains the positions and references of all t.he galaxies of t . 1~following 35 groups (north of 6 > $2'30'):

Cited by 13 publications

References 12 publications

Shakhbazian compact galaxy groups

Shakhbazian compact galaxy groups

Shakhbazian compact galaxy groups

Shakhbazian compact galaxy groups

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