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  • 11
    Electronic Resource
    Electronic Resource
    The optical warp of NGC 5907 (1992)
    Springer
    Astrophysics and space science 190 (1992), S. 293-301 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A study was made of the optical warps of NGC 5907, by means of CCD photometry, for theU andI filters, as well as for a narrow band filter centred at Hα. Our observations were extended out to about 380 arc sec in the NW side and out to about 348 arc sec in the SE side. The Hi warps begin at these galactocentric radii, so that the optical ones are not clearly distinguished. TheU warp is larger than theI one in the NW, but this difference is not appreciated in the SE. The disk shows slight corrugations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00644855
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Stellar Velocity Field in the Central Region of NGC 1068 (1997)
    Springer
    Astrophysics and space science 248 (1997), S. 43-49 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present the velocity field of the stars in the central 25″ × 22″ of NGC 1068 derived from 2-D spectroscopy of the Ca II triplet. A preliminary analysis provides evidence for two distinct stellar systems in the centre of NGC 1068. In the outer regions (say r 〉 10″), the mean stellar velocity field seems coupled to those of the ionized and molecular gas, indicating aproximately regular rotation with the kinematic minor axis at PA ~ 0°. However, in the inner region, the stars are rotating, whereas the ionized gas is outflowing in the NE-SW direction probably due to the effects of the nuclear activity, and the molecular gas is responding to the bar potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1000576000419
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    Paper (German National Licenses)
    Fulltext
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