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Re: Viewpoint: The First Sounds of Merging Black Holes

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On 2/13/16 2:37 PM, jimp@specsol.spam.sux.com wrote:
> Shove your obsessive-compulsive, cut and paste, copyright violating spam
> up your ass.



   Now, now, jimp, your *obsessive-compulsive behavior* is outta control,
   your *language inappropriate* and your absolute contempt and total
   disgust are addressed in these Anger Management classes. You, jimp,
   need these services:
 > http://yellowpages.com/rancho-cucamonga-ca/anger-management-classes


   Viewpoint: The First Sounds of Merging Black Holes
 > http://physics.aps.org/articles/v9/17
 > 
http://physics.aps.org/assets/4d48e22f-65d6-43ea-89a1-e7ec55939895/e17_4_medium.png

 > Now, what was once considered “impossible by several orders of
 > magnitude” is a reality. To confirm the gravitational-wave nature of
 > their signal, the researchers used two different data analysis
 > methods. The first was to determine whether the excess power in the
 > photodetector could be caused by a signal, given their best estimate
 > of the noise, but without any assumptions about the origin of the
 > signal itself. From this analysis, they could say that a transient,
 > “unmodeled” signal was observed with a statistical significance
 > greater than 4.6𝜎 4 6 𝜎 . The second method involved comparing the
 > instrumental output (signal plus noise) with a theoretical signal
 > from numerical simulations of merging black holes using general
 > relativity. From this so-called matched-filtering search, the
 > researchers concluded that the significance of the observation was
 > greater than 5.1𝜎 5 1 𝜎 .
 >
 > The most exciting conclusions come from comparing the observed
 > signal’s amplitude and phase with numerical relativity predictions,
 > which allows the LIGO researchers to estimate parameters describing
 > the gravitational-wave source. The waveform is consistent with a
 > black hole binary system whose component masses are 36 and 29 times
 > the mass of the Sun. These stellar-mass black holes—so named because
 > they likely formed from collapsing stars—are the largest of their
 > kind to have been observed. Moreover, no binary system other than
 > black holes can have component masses large enough to explain the
 > observed signal. (The most plausible competitors would be two neutron
 > stars, or a black hole and a neutron star.) The binary is
 > approximately 1.3 billion light years from Earth, or equivalently, at
 > a luminosity distance of 400 megaparsecs (redshift of z∼0.1 z 0 1 ).
 > The researchers estimate that about 4.6% of the binary's energy was
 > radiated in gravitational waves, leading to a rotating black hole
 > remnant with mass 62 times the mass of the Sun and dimensionless spin
 > of 0.67.
 >

-- 

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Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-11 09:57 -0600
  Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-11 10:02 -0600
    Re: Viewpoint: The First Sounds of Merging Black Holes jimp@specsol.spam.sux.com - 2016-02-11 18:59 +0000
      Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-12 08:24 -0600
        Re: Viewpoint: The First Sounds of Merging Black Holes jimp@specsol.spam.sux.com - 2016-02-12 17:31 +0000
          Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-12 20:22 -0600
            Re: Viewpoint: The First Sounds of Merging Black Holes jimp@specsol.spam.sux.com - 2016-02-13 03:33 +0000
              Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-13 08:29 -0600
                Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-13 13:13 -0600
                Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-13 14:23 -0600
                Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-13 15:17 -0600
  Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-11 10:16 -0600
    Re: Viewpoint: The First Sounds of Merging Black Holes "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-02-11 10:18 -0800
      Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-11 12:24 -0600
        Re: Viewpoint: The First Sounds of Merging Black Holes "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-02-11 12:20 -0800
          Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-11 15:19 -0600
    Re: Viewpoint: The First Sounds of Merging Black Holes jimp@specsol.spam.sux.com - 2016-02-11 19:00 +0000
  Re: Viewpoint: The First Sounds of Merging Black Holes jimp@specsol.spam.sux.com - 2016-02-11 18:57 +0000
    Re: Viewpoint: The First Sounds of Merging Black Holes Sam Wormley <swormley1@gmail.com> - 2016-02-12 08:26 -0600
      Re: Viewpoint: The First Sounds of Merging Black Holes jimp@specsol.spam.sux.com - 2016-02-12 17:35 +0000
  Re: Viewpoint: The First Sounds of Merging Black Holes Sergio <imvalid@invalid.com> - 2016-02-11 14:54 -0600
  Viewpoint: The First Sounds of Merging Black Holes HVAC <mr.hvac@gmail.com> - 2016-02-13 07:26 -0800
    Re: Viewpoint: The First Sounds of Merging Black Holes benj <none@gmail.com> - 2016-02-13 12:39 -0500

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