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  • 1
    Electronic Resource
    Electronic Resource
    Accretion Discs in Astrophysics (1981)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Astronomy and Astrophysics 19 (1981), S. 137-160 
    Details
    ISSN: 0066-4146
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.aa.19.090181.001033
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  • 2
    Electronic Resource
    Electronic Resource
    THE ACCRETION DISK (1973)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 224 (1973), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1973.tb41465.x
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  • 3
    Electronic Resource
    Electronic Resource
    SS433—a massive black hole? (1979)
    [s.l.] : Nature Publishing Group
    Nature 278 (1979), S. 719-720 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The line profile of emission from such an orbiting ring (see rf. 2) consists of two emission peaks, one on either side of the rest wavelength A0, at wavelengths ?± corresponding roughly to ± Vorb, the orbital velocity of the ring. That is, roughly, ?±-AO (1± Vorb/c). ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/278719a0
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  • 4
    Electronic Resource
    Electronic Resource
    γ -Rays from γ Geminorum? (1978)
    [s.l.] : Nature Publishing Group
    Nature 271 (1978), S. 634-635 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The star y Gem has rav = 1.9 mag and has been classified as AOIV (ref. 5) and A1III (ref. 6). Parallax measurements yield a distance estimate of d 30 pc (ref. 7). We therefore require / 0.17. We assume the star to have a bolometric luminosity £boi 6x 1035 erg s"1, a mass M\ 3A/Q and a ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/271634a0
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  • 5
    Electronic Resource
    Electronic Resource
    Cyg X-3: γ rays from a magnetic accretion disk (1977)
    [s.l.] : Nature Publishing Group
    Nature 268 (1977), S. 420-421 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The dominant dissipative mechanism in the disk is assumed to be due to magnetic fields. The shearing motion of the disk increases the azimuthal field strength in the disk until the magnetic pressure is comparable with thermal (or radiation) pressures inside the disk. We then expect the field lines ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/268420a0
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  • 6
    Electronic Resource
    Electronic Resource
    Is Cyg X-1 a neutron star? (1974)
    [s.l.] : Nature Publishing Group
    Nature 247 (1974), S. 351-352 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The alternative hypothesis that Cyg X-l = HD226868 is a triple system is worth examination. Indeed Batten5 has noted that about a third of observed binary systems are in fact triple. Specifically we consider the parameters mentioned above and suggest that the secondary consists of two stars-a 1M ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/247351a0
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  • 7
    Electronic Resource
    Electronic Resource
    Long-term Behaviour of Hercules X-1 (1973)
    [s.l.] : Nature Publishing Group
    Nature 244 (1973), S. 212-213 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In Fig. 1 we show the counting rate in the 4 to 12 keV channel (after [subtraction 'of background) for a 16 h period on June 5, 1973, from 6 h 18 min UT to 22 h 12 min UT. For 1.75 h the telescope was pointing at Her X-l: both before and after that time it was directed elsewhere. There is an excess ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/244212a0
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  • 8
    Electronic Resource
    Electronic Resource
    Stridulations in the South African Egg-eating Snake, Daspeltis scaber , Linn. (1944)
    [s.l.] : Nature Publishing Group
    Nature 154 (1944), S. 709-709 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MANY strange vocal sounds have been attributed to snakes, but none substantiated. At this Snake Park I have listened carefully both during the day and night, at all seasons and particularly at mating periods, and have never heard any sound other than a hiss. Just recently, however, I observed ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/154709c0
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  • 9
    Electronic Resource
    Electronic Resource
    Physiology of Song in Cicadas (1953)
    [s.l.] : Nature Publishing Group
    Nature 172 (1953), S. 248-249 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The normal song of this species is shown in records 1 and 2. The sound consists of a train of damped oscillations at a fundamental frequency of about 4,500 per sec, the pulse repetition frequency being about 390 per sec. Both frequencies vary slightly in individuals and are related to the size of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/172248b0
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  • 10
    Electronic Resource
    Electronic Resource
    Proprioception (1976)
    [s.l.] : Nature Publishing Group
    Nature 264 (1976), S. 143-143 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A BIOLOGIST considering whether to read (or purchase) a volume with multiple authorship does well to consider not only the field covered but also the standing of the contributors. The editor's tasks is like that of a building contractor: he cannot construct well without good materials. Of this book ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/264143a0
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