| 单词 | photometry |
| 例句 | Rather than let her continue with the spectra, he instead directed her to the field of standard photometry. This Astronomer Discovered What the Stars Were Made Of, And Few Believed Her Discovery 2023-06-22T04:00:00Z For now the galaxies have only been studied by photometry, with spectroscopic analysis planned for July. JWST’s Newfound Galaxies Are the Oldest Ever Seen 2023-04-13T04:00:00Z One of the most tried-and-true methods of exoplanet hunting is called transit photometry, which is basically pointing a telescope at a star and measuring the light when a planet swings past. A newly-discovered planet that is half-water, half-rock is straight out of science fiction 2022-09-13T04:00:00Z Nice review of the mission to do photometry and spectroscopy of all stars above a certain brightness. Astronomy 2016-10-13T00:00:00Z Kepler used a detection method called transit photometry, which looked for periodic, repetitive dips in the visible light of stars caused by planets passing, or transiting, in front of them. NASA retires its planet hunter, the Kepler space telescope 2018-10-30T04:00:00Z No sources were detected by the DOLPHOT37 photometry package at a significance of 3σ or higher, within a radius of more than 3× the positional uncertainty. A kilonova as the electromagnetic counterpart to a gravitational-wave source : Nature : Nature Research 2017-10-15T04:00:00Z The PSF photometry was calculated, after host galaxy subtraction, and calibrated to a common set of 2MASS44 sources, using the 2MASS zero points to convert to the AB system. The X-ray counterpart to the gravitational-wave event GW170817 : Nature : Nature Research 2017-10-15T04:00:00Z In other words, since the spectral model is not completely satisfactory, the comparison of synthetic and observed photometry is not meaningful, although it may seem a good match. Spectroscopic identification of r-process nucleosynthesis in a double neutron-star merger : Nature : Nature Research 2017-10-15T04:00:00Z As we saw Observing the Sky: The Birth of Astronomy, astronomical photometry began with Hipparchus. Astronomy 2016-10-13T00:00:00Z To construct the bolometric light curve, we transformed the Swift data into Vega magnitudes, and then converted all photometry to fluxes. Corrigendum: Slowly fading super-luminous supernovae that are not pair-instability explosions : Nature : Nature Research 2016-10-04T04:00:00Z These reddening corrections were applied to the photometry to calculate absolute magnitudes and bolometric luminosities. A kilonova as the electromagnetic counterpart to a gravitational-wave source : Nature : Nature Research 2017-10-15T04:00:00Z The closer planet was discovered in 2012, using a common method called transit photometry. This snapshot of an alien exoplanet might be a big first for astronomy 2016-06-14T04:00:00Z To minimize any systematic effect, we performed differential photometry with respect to a selection of local isolated and non-saturated reference stars. Spectroscopic identification of r-process nucleosynthesis in a double neutron-star merger : Nature : Nature Research 2017-10-15T04:00:00Z The scientists then used a technique Dr. Deisseroth helped invent called fiber photometry, which uses photons to track activity of neurons tagged with certain proteins. Risky Rats Help Shine Light on Brain Circuitry Behind Taking a Chance 2016-03-23T04:00:00Z Using stellar photometry, Kepler looked for periodic dips in starlight due to transits of planets across the face of their stars. NASA Kepler Finds Milky Way's Oldest Known Earth-Mass Planets 2014-12-23T05:00:00Z Aperture photometry provided the flux from the target star and a fainter nearby reference star. A ring system detected around the Centaur (10199) Chariklo 2014-04-04T18:25:37.267Z Yet photometry is the measurement of light’s intensity and spectroscopy is the study of its relationship to its source. Writers should not fear jargon 2012-07-25T17:20:04.003Z And photo-electric photometry, measuring smaller differences of light than any other method, and providing more accurate light-curves of the variable stars. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z For example, the lighting of the military workhouse afforded matter for a long series of experiments, described in his papers on photometry, coloured shadows, etc. Heroes of Science: Physicists 2012-01-17T03:00:17Z The embarrassing subject of photographic photometry has also been attacked by Professor Pickering. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Aperture photometry provided the flux from the target star and a fainter nearby reference star. A ring system detected around the Centaur (10199) Chariklo 2014-04-04T18:25:37.267Z He found the light of the sun to be 300 times more intense than that of the moon, and thus made some of the earliest measurements in photometry. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3 "Borgia, Lucrezia" to "Bradford, John" Photographic photometry of the asteroids has revealed marked variations in their light, due perhaps to irregularities of figure. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Its precedence over its rivals Vega and Capella, long in dispute, has been settled by the Harvard photometry. Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers A photographic photometry of all the lucid stars, modelled on the visual photometry of 1884, is promised from the same copious source of novelties. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Many books treat of photometry, power-plants, etc., but these are omitted because they deal with phases of light which have not been discussed in the present volume. Artificial Light Its Influence upon Civilization This arrangement leaves untouched the old difficulty in photometry, that arising from the different colors of different lights. Scientific American Supplement, No. 492, June 6, 1885 He was the founder of double-star astronomy, and his researches on the light of the stars by the simple method of sequences were the inception of the vast fields of stellar photometry and variable stars. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Photographic photometry has meanwhile risen to an importance if anything exceeding that of visual photometry. A Popular History of Astronomy During the Nineteenth Century Fourth Edition |
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