luminosity class वाक्य
उदाहरण वाक्य
मोबाइल
- This is reflected in its uncertain luminosity class, between IV ( the subgiants ) and V ( main sequence dwarf star stars like the Sun ).
- The spectrum of this star matches a stellar classification of G2 IV, with the luminosity class of'IV'indicating this is a subgiant star.
- This star has a stellar classification of F2 Ia, with the'Ia'luminosity class indicating this is a supergiant more luminous than typical supergiants.
- The luminosity class of IV indicates that this is a Sun's radius and an effective temperature of 12, 800 K in its outer envelope.
- Accurate calibrations are available for the temperatures of class O stars, although these are slightly different for SMC metallicity and for stars of different luminosity classes.
- HD 50064 has variously been assigned spectral types of B6, B9, and B1, and is readily seen to have a bright supergiant luminosity class.
- The luminosity classes of O-type stars are assigned on the relative strengths of the He II emission lines and certain ionised N and Si lines.
- A luminosity class of'III'indicates this is a giant star that has exhausted the hydrogen at its core and evolved away from the main sequence.
- The stellar classification of Alpha Fornacis is F8IV, where the luminosity class IV indicates this is a subgiant star that has just evolved off the main sequence.
- The luminosity class could not be determined with certainty, but a supergiant can be ruled out and the line widths suggest a giant class is most likely.
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