stellar luminosity वाक्य
उदाहरण वाक्य
मोबाइल
- He is best known for his contribution on stellar luminosity and galactic structure.
- Many stellar properties are calculated based on stellar luminosity, such as radii, ages, etc.
- The distance for Westerhout 40 has been estimated to be 500 pc using models for stellar luminosities.
- An alternate way to measure stellar luminosity is to measure the star's apparent brightness and distance.
- When combined with incorrect assumed absolute bolometric magnitudes for the Sun this can lead to systematic errors in estimated stellar luminosities.
- The total range of stellar luminosities, then, occupies a range of 27 magnitudes, or a factor of 60 billion.
- The stellar luminosity shows indications of ellipsoidal variation, as the primary component is partly filling its Roche lobe due to gravitational interaction between the two stars.
- In cooler stars, the width of observed oxygen lines, such as O I at 777.4 nm ., can be used to calibrate directly against stellar luminosity.
- This end phase causes a dramatic rise in stellar luminosity, where the released energy is distributed over a much larger surface area, even though the average surface temperature is lower.
- Pi 2 Cygni is a Class B3 blue giant star with an apparent magnitude of + 4.23 and a stellar luminosity nearly 2, 200 times that of the Sun.
- Their great stellar luminosities are determined from various spectral features, which are sensitive to surface gravity, such as H? line widths in hot stars or a strong Balmer discontinuity in cooler stars.
- For perspective, the overall range of stellar luminosities runs from dwarfs less than 1 / 10, 000th as luminous as the Sun, to supergiants over 1, 000, 000 times more luminous.
- This led to systematic differences in bolometric corrections scales, which when combined with incorrect assumed absolute bolometric magnitudes for the Sun could lead to systematic errors in estimated stellar luminosities ( and stellar properties calculated which rely on stellar luminosity, such as radii, ages, and so on ).
- This led to systematic differences in bolometric corrections scales, which when combined with incorrect assumed absolute bolometric magnitudes for the Sun could lead to systematic errors in estimated stellar luminosities ( and stellar properties calculated which rely on stellar luminosity, such as radii, ages, and so on ).
- In the current system of stellar classification, stars are grouped according to temperature, with the massive, very young and energetic Class M stars exhibit temperatures less than 3, 500 K . Because luminosity is proportional to temperature to the fourth power, the large variation in stellar temperatures produces an even vaster variation in stellar luminosity.
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