... Sunspots appear dark in contrast to the hot, surrounding photosphere. ... field suppresses gas motions below the photosphere in some areas, and blemish-like ... Notice the mottled appearance of the photosphere; this is due to sub-photospheric ...

... INTRODUCTION . SUNSPOTS: The surface of the Sun, called the photosphere, is at a temperature of 5800 degrees Kelvin. ... The equatorial region of the photosphere rotates faster than do regions at higher and lower latitudes. ...

... in units of 10 ergs.s the radius of the photosphere is Thus, in order to bury the loss region of the jet along with its associated Bremsstrahlung photons below the electron scattering photosphere, the jet must interact with the wind at a radius of 2.10 cm ...

... to reveal 5-min oscillations in the photosphere which have been related to resonance ... brightness and magnetic field in the photosphere makes the clarification of the ...

... there is no unanimity about how to raise mass from a photosphere out to the radius where dust can form, nor, in particular, is ... I have found instances of both. What of a fundamental momentum source for lifting mass away from the photosphere? ...

... SAI seminar (Ryde et al 2010) 5 Thermal emission from GRB jet progenitor observer photon jet Photosphere (=1) · · · · Photons are not produced at the photosphere We have to calculate radiative transfer We need to know where the photons are produced We ...