11/19/2022 0 Comments Specific speed ns in english units![]() Kelvin: temperature with a null point at absolute zero. #Specific speed ns in english units fullHour angle: angular measurement with 24 in a full circle Thermodynamic_temperature(frequency)ĭefines the conversion between Jy/sr and “thermodynamic temperature”, \(T_\) ![]() Returns a list of equivalence pairs that handle spectral density with regard to wavelength and frequency.Ĭonvert between Kelvin, Celsius, Rankine and Fahrenheit here because Unit and CompositeUnit cannot do addition or subtraction properly.Ĭonvert between Kelvin and keV(eV) to an equivalent amount. Returns a list of equivalence pairs that handle spectral wavelength, wave number, frequency, and energy equivalencies. Sets the units enabled in the unit registry. Sets the equivalencies enabled in the unit registry. Returns a list of equivalence pairs that handle the conversion between parallax angle and distance.Ĭonvert between pixel distances (in units of pix) and other units, given a particular pixscale.Ĭonvert between lengths (to be interpreted as lengths in the focal plane) and angular units with a specified platescale.Ī decorator for validating the units of arguments to functions. Returns the equivalence between amu and molar mass. Returns a list of equivalence pairs that handle the conversion between mass and energy. Return a boolean array where two arrays are element-wise equal within a tolerance.Īllow logarithmic units to be converted to dimensionless fractions Return the physical type that corresponds to a unit (or another physical type representation). Return the equivalency pairs for the relativistic convention for velocity. Returns the equivalence between Doppler redshift (unitless) and radial velocity. Return the equivalency pairs for the radio convention for velocity. ![]() Return the equivalency pairs for the optical convention for velocity. Whether two arrays are element-wise equal within a tolerance.Ĭonvert between the beam unit, which is commonly used to express the area of a radio telescope resolution element, and an area on the sky.īrightness_temperature(frequency)ĭefines the conversion between Jy/sr and “brightness temperature”, \(T_B\), in Kelvins.Īdd a mapping between a unit and the corresponding physical type(s).ĭef_unit(s)Īllow angles to be equivalent to dimensionless (with 1 rad = 1 m/m = 1). Adds to the equivalencies enabled in the unit registry.Īdds to the set of units enabled in the unit registry. ![]()
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