The colour.
No. K spectral type stars (which are orange) temperature is ranging from 5,000-3,500. A spectral type stars (which are blue-white) temperature is ranging from 7,500-11,000.
It is a chart showing a scatter chart of stars according to their temperature and their luminosity (or absolute magnitude).
If you mean a Hertzsprung-Russell Diagram, which plots stars color, temperature, and absolute magnitude (see related link), then it looks like color and spectral class (temperature) are plotted on horizontal, and Absolute Magnitude/Lumenoscity are plotted on the vertical.
To list stars in order of increasing surface temperatures, you would typically arrange them as follows: M-type (red dwarfs), K-type (orange stars), G-type (yellow stars, like the Sun), F-type (white stars), A-type (blue-white stars), and finally, B-type (blue stars). This sequence reflects the spectral classification of stars based on their temperatures, with M-type stars being the coolest and B-type stars being the hottest.
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The brightness is very similar to the temperature, the brightness relies on the temperature
Stellar classification is based on the analysis of light from stars. The temperature from the photosphere of the star effects the amount and types of ions and this is used classifying the star.
No. K spectral type stars (which are orange) temperature is ranging from 5,000-3,500. A spectral type stars (which are blue-white) temperature is ranging from 7,500-11,000.
The Hertzsprung-Russell diagram (H-R diagram) shows the relationship between absolute magnitude, luminosity, classification, and effective temperature of stars. The diagram as originally conceived displayed the spectral type (effectively the surface temperature) of stars on the horizontal axis and the absolute magnitude (their intrinsic brightness) on the vertical axis.
A K type star has a surface temperature ranging from about 3,500 to 5,000 degrees Celsius. It is cooler than stars with earlier spectral types (such as O, B, and A stars) but hotter than stars with later spectral types (such as M stars).
One characteristic that is not used to classify stars is their specific location in the galaxy. While stars are classified based on properties such as temperature, luminosity, and spectral type, their position within the Milky Way or other galaxies does not play a role in their classification. Instead, classification focuses on intrinsic properties that relate to their physical characteristics and evolutionary stages.
the temperature of red star is minimum and maximum for blue stars . our sun is yellow colored therefore red stars are coolest than our sun . Take the example of Wolf 359 (a type of red dwarf star ) located in the constellation Leo . the temperature of photosphere of this star is about 2800 kelvin and the temperature of sun's photosphere is 5778 kelvin ( effected )
The star with the highest surface temperature is the blue star called O-type stars. These stars can have surface temperatures exceeding 50,000 degrees Celsius.
Yellow stars with low strength hydrogen lines. This type includes the modern "G" and "K" types and the old "F" type, and among the stars of this type: the sun and arthropods.
The stars with an A-type spectrum are the hottest common stars, but early-stage stars with a B-type spectrum are even hotter. The order of temperature is B-A-F-G-K-M for common stars. The M-type stars are the coolest common stars and they definitely look red, e.g. Antares, Betelgeuse. Remember the order by learning this: Be A Fine Girl, Kiss Me!
The higher the altitude the lower the temperature.
The temperature is displayed along the horizontal axis while the vertical axis is the star's absolute magnitude. So the HR diagram is a scatter diagram relating temperature and brightness, and eah star occupies one point.