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William HigginsEnglish astronomer, one of the pioneers of astrospectroscopy
Date of Birth: 07.02.1824
Country:  Great Britain |
Content:
- Biography of William Huggins
- Early Career
- Contributions to Astronomy
- Astro-photography and Collaborations
- Recognition and Legacy
- Death
Biography of William Huggins
William Huggins was an English astronomer and one of the pioneers of astrospectroscopy. He was born on February 7, 1824 in London and received a home education. From 1842 to 1854, he conducted business for his family. In 1854, he moved to Tulse Hill, near London, where he established his own observatory in 1856.
Early Career
Huggins began his regular astronomical observations with the study of planets from 1858 to 1860. Initially, he observed using a 20-cm refractor, but after 1870, he used a 38-cm refractor, which was gifted to him by the Royal Society of Great Britain. Huggins was one of the first to recognize the significance of the spectral analysis method developed by G.R. Kirchhoff and R.W. Bunsen in 1859 for studying celestial bodies. He constructed a spectroscope and started observing stellar spectra alongside extensive laboratory research.
Contributions to Astronomy
In 1863, Huggins demonstrated that the spectra of the Sun and stars have many similarities, and that their observed emissions are produced by hot substances passing through cooler absorbing gases. He also observed the spectra of luminous nebulae in 1864, showing that they consist of individual emission lines and are composed of gas. In 1866, he conducted spectroscopic observations of a new star (Nova Corona Borealis 1866) and discovered the presence of a gaseous envelope surrounding it, which emitted hydrogen lines. Huggins observed the spectra of three comets and showed that they contain bands belonging to carbon and its compounds. He was one of the first to utilize the Doppler-Fizeau principle to determine the radial velocities of stars by analyzing the shift in absorption lines in their spectra. In 1868, he measured the radial velocity of Sirius.
Astro-photography and Collaborations
Starting from 1875, Huggins carried out numerous photographic spectroscopic observations of stars, planets, and the Moon. He also improved the techniques of astrophotography. Independently, on June 24, 1881, Huggins and Henry Draper (1837–1882) photographed the spectrum of a comet (Comet 1881 III) for the first time. Huggins's wife, Margaret, was his constant assistant in his spectral observations. Together, they prepared and published the "Atlas of Representative Stellar Spectra" in 1899, which included spectra of stars of various types and provided their interpretation. The atlas demonstrated that the appearance of a spectrum depends on the temperature of a star's photosphere and its mass.
Recognition and Legacy
Huggins received numerous scientific honors for his pioneering work in astrophysics. He was elected President of the Royal Astronomical Society of London from 1876 to 1878 and was made a foreign corresponding member of the St. Petersburg Academy of Sciences in 1901. He was awarded various medals by the Paris Academy of Sciences, the Royal Society of London (1866), and the Royal Astronomical Society (1867, 1885). Huggins also received the Rumford Medal (1880) and the Coplée Medal (1898) from the Royal Society of London. In 1897, he was knighted. His name is inscribed on maps of the Moon and Mars.
