Fiber deformation and reorientation during the extrusion of composite materials

Petrosyan, A. S.; Petrosyan, G. G.; Petrosyan, Kh. L.

doi:10.1007/bf00791048

Cited by 1 publication

(4 citation statements)

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“…4), condensation "c" is poorly seen, while condensation "a" is most prominent. This characteristic feature was noted by Petrosyan (1981). Figure 5a shows the large-scale velocity field for the emitting gas, as constructed from the IFP data, suggesting the rotation of the galaxy's gaseous disk around its minor axis.…”

Section: The Morphology Of Ngc 7468mentioning

confidence: 53%

“…• ) passes through the brightest condensations designated by Petrosyan (1981) as "b" and "c". In these regions, 12 + log(O/H) ≈ 8.6 ± 0.1 (∼ 0.5Z ⊙ ).…”

Section: Results Of the Uags Observations And Their Analysismentioning

confidence: 99%

“…In the central part of the galaxy, Petrosyan et al (1979) distinguished three condensations whose emission spectra were studied by Petrosyan (1981) and subsequently by Nordgren et al (1995). Since the spectra for the galaxy's central region are similar to those for H II regions, beginning with the works by Thuan et al (1981), this object has been attributed to H II galaxies or blue compact dwarf galaxies (BCDGs) with active star formation in their central regions.…”

Section: Introductionmentioning

confidence: 99%

“…The initial assumption that the brightening to the south of the galaxy is a superassociation (Petrosyan 1981) was replaced by Evstigneeva (2000) with the suggestion that this is a companion galaxy, probably because galaxy Fig. 1.…”

Section: Introductionmentioning

confidence: 99%

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NGC 7468: A galaxy with an inner polar disk

Shalyapina¹,

Моисеев

Yakovleva³

et al. 2004

Astron. Lett.

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Abstract. We present our spectroscopic observations of the galaxy NGC 7468 performed at the 6-m Special Astrophysical Observatory telescope using the UAGS long-slit spectrograph, the multipupil fiber spectrograph MPFS, and the scanning Fabry-Perot interferometer (IFP). We found no significant deviations from the circular rotation of the galactic disk in the velocity field in the regions of brightness excess along the major axis of the galaxy (the putative polar ring). Thus, these features are either tidal structures or weakly developed spiral arms. However, we detected a gaseous disk at the center of the galaxy whose rotation plane is almost perpendicular to the plane of the galactic disk. The central collision of NGC 7468 with a gas-rich dwarf galaxy and their subsequent merging seem to be responsible for the formation of this disk.

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Section: The Morphology Of Ngc 7468mentioning

confidence: 53%

“…• ) passes through the brightest condensations designated by Petrosyan (1981) as "b" and "c". In these regions, 12 + log(O/H) ≈ 8.6 ± 0.1 (∼ 0.5Z ⊙ ).…”

Section: Results Of the Uags Observations And Their Analysismentioning

confidence: 99%