Vallastro

Hello, my home project is Russian Wikipedia.

My images

• Hertzsprung–Russell diagrams
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  Evolutionary track of 0.8 solar mass star
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  Evolutionary track of 0.1 solar mass star
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  Some types of variable stars on the Hertzsprung–Russell diagram
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  Isochrones of solar metallicity and different ages
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  Isochrones of solar metallicity and different old ages
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  Isochrones of 10 Gyr age and different metallicity
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  Hertzsprung–Russell diagram for bright or nearby stars
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  Hertzsprung-Russell diagram for different open star clusters
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  Hertzsprung-Russell diagram with lines of constant radius

• Rotation curves of galaxies
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  Milky Way rotation curve
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  M 31 rotation curve
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  M 33 rotation curve

• Spectral lines
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  Intensity of some spectral lines as a function of spectral class
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  Parameters of spectral line
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  Equivalent width of spectral line
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  Curve of growth
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  Absorption spectral line profiles for different number of absorbing atoms
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  Gaussian and Lorentzian functions with same maximum and FWHM
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  Gaussian and Lorentzian functions and Voigt function which is their convulution

• Stellar evolution
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  Brown dwarf and low-mass stars temperature evolution
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  Young stellar objects evolution

• Stellar spectra
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  Spectrum of O5V star
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  Spectrum of B0V star
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  Spectrum of B3V star
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  Spectrum of B8V star
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  Spectrum of A0V star
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  Spectrum of A5V star
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  Spectrum of F0V star
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  Spectrum of F5V star
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  Spectrum of G0V star
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  Spectrum of G5V star
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  Spectrum of K0V star
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  Spectrum of K5V star
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  Spectrum of M0V star
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  Spectrum of M5V star
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  Spectra of K2I, K2III and K2V stars

• Surface brightness profiles of galaxies
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  M 31 surface brightness profile
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  M 33 surface brightness profile

• Cosmology
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  Chemical composition after the primary nucleosynthesis vs baryon to photon ratio
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  Cosmological parameters and the final fate of the Universe

• Solar and lunar eclipses
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  Hybrid solar eclipse scheme
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  Solar eclipse magnitude distribution from 2000 BC to 3000 AD
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  Maximum possible ecliptic latitude of Moon for eclipse

• Other astronomical images
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  Metallicity — blueness diagram for some globular clusters
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  O−C diagram for two variable stars in M 5 cluster
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  Shape of outer parts of Milky Way disk
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  Typical light curves of supernovae of different types
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  Age and metallicity for stellar populations in Milky Way
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  Color–magnitude diagram for star clusters in Large Magellanic Cloud
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  Characteristic shape of boxy and disky elliptical galaxies
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  van den Bergh (DDO) galaxy classification system
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  Heliocentric radial velocity versus the cosine of the solar apex distance for Local Group galaxies
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  Luminosity versus disc scale in the Local Group
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  Luminosity versus metallicity in the Local Group
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  M 51 in SDSS bands: UV, optical, infrared
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  Comparison of 2D Sersic functions with different n
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  Comparison of 1D Sersic functions with different n
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  Color gradients across the spiral arms in galaxies
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  Pitch angle of the spiral arm
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  Proper motion of the Hyades
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  Secular parallax method
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  NGC 5247 image and isophotes
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  Comparison of Moffat and Gaussian functions
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  PSF of WISE telescope with Moffat and Gaussian approximations]]

• Other images
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  Pallas's cat baculum