velocity dispersion वाक्य
उदाहरण वाक्य
मोबाइल
- This second scenario appears to produce a dispersion of velocities for the fragments that is more closely matched to the measured velocity dispersion of the family members.
- A 2012 paper suggests an Sun may be present within the Trapezium, something that could explain the large velocity dispersion of the stars of the cluster.
- There is a tight correlation between the mass of the black hole and the velocity dispersion of the stars in the bulge, the M-sigma relation.
- An empirical correlation between the size of supermassive black holes and the stellar velocity dispersion \ sigma of a galaxy bulge is called the M-sigma relation.
- In 2015 a team at Keio University in Japan found a gas cloud ( CO-0.40-0.22 ) with very wide velocity dispersion.
- A closely related yet independent quantity is the group delay dispersion ( GDD ), defined such that group velocity dispersion is the group delay dispersion per unit length.
- Yet another model involves a dense stellar cluster undergoing core-collapse as the negative heat capacity of the system drives the velocity dispersion in the core to relativistic speeds.
- This problem applies only to Haumea itself; the orbital elements of all the other objects in the family require an initial velocity dispersion of ~ 140 m / s.
- In this alternative data compression method, information-rich portions of the data are dilated in a process that emulates the effect of group velocity dispersion on temporal signals.
- In 1983 this estimate was revised up to 2.1 Mpc by Ronald Buta and Marshall McCall using the general relation between the luminosity and velocity dispersion for elliptical galaxies.
- Determining the distinction between elliptical galaxies and lenticular galaxies often relies on the measurements of velocity dispersion ( ? ), rotational velocity ( v ), and ellipticity ( ? ).
- The latest determination of the distance to Maffei 1, which is based on the re-calibrated luminosity / velocity dispersion relation for the elliptical galaxies and the updated extinction, is.
- Inverse Q filtering is a method to restore the energy loss due to energy dissipation ( amplitude compensation ) and to correct the time-shift of the data due to velocity dispersion.
- The NGC 3783 group has a mean velocity of 2, 903 ?26 km / s with respect to the Sun and a velocity dispersion of 190 ?24 km / s.
- Such methods, such as broad emission-line reverberation mapping ( BLRM ), Doppler measurements, velocity dispersion, and the M-sigma relation have not yet been well established.
- To explain the spread of the orbital elements, an initial velocity dispersion of ~ 400 m / s is required, but such a velocity spread should have dispersed the fragments much further.
- By combining a galaxy's central velocity dispersion with measurements of its central surface brightness and radius parameter, it is possible to improve the estimate of the galaxy's distance even more.
- Low-dispersion glasses are also employed in handling ultrashort pulses of light, in e . g . mode-locked lasers, to prevent pulse broadening by group velocity dispersion in the optical elements.
- When a plane wave propagates through a homogeneous viscoelastic medium, the effects of amplitude attenuation and velocity dispersion may be combined conveniently into a single dimensionless parameter, Q, the medium-quality factor.
- As a result, the envelope of the wave packet not only moves, but also " distorts, " in a manner that can be described by the material's group velocity dispersion.
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