Astronomy

Astronomy

The scientific study of planets, stars, black holes, comets and other celestial bodies that make up outer space.

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Astronomy > Galaxy

spectral

Astronomy; Galaxy

The adjective used to denote either wavelength dependence or a radiometric quantity per unit wavelength interval.

specific star formation rate

Astronomy; Galaxy

It is defined as the ratio between the Star Formation Rate (SFR) of a galaxy and its mass (SFR/M)

star formation rate

Astronomy; Galaxy

It is defined as the mass of stars that are formed per year in a volume that is currently 1 Mpc3.

hubble space telescope

Astronomy; Galaxy

It is a uniquely powerful observing platform in terms of its high angular optical resolution, broad wavelength coverage from the ultraviolet to the near infrared, low sky ...

stellar mass

Astronomy; Galaxy

It is defined as the total mass of all stars in a galaxy. Since the stellar mass does not include the interstellar matter and the dark matter, it is always smaller than the total ...

Schechter function

Astronomy; Galaxy

It is a fitting formula that does not distinguish between galaxy types. As with the stellar mass function, parameters must be determined observationally.