An Etymological Dictionary of Astronomy and Astrophysics - English-French-Persian

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Number of Results: 2 Search : isophotal

isophotal

ایزوشیدی

izošidi

Fr.: isophotal

Of or relating to → isophotes.

→ isophote; → -al.

isophotal radius

شعاع ِ ایزوشیدی

šo'â'-e izošidi

Fr.: rayon isophotal

The size attributed to a galaxy corresponding to a particular level of → surface brightness. The reason is that galaxies do not have sharp edges.

→ isophotal; → radius.