| 21. | High speed photometry of the system shows multiple periods of variation in the luminosity.
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| 22. | And finally, the lighting objects are associated with a photometry via IES files.
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| 23. | The subject of photometry remained in its infancy until Pierre Bouguer and Johann Heinrich Lambert.
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| 24. | In addition to astrometric data, the MPC collects light curve photometry of minor planets.
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| 25. | In 1968 a new field observatory was started at Kavalur for stellar spectroscopy and photometry.
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| 26. | The observing time is mostly assigned for the photometry of asteroids and comets and astrometry.
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| 27. | Flame photometry is crude but cheap compared to spectrophotometer ( which uses a monochromator ).
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| 28. | The 3225 Hoag asteroid discovered by photometry.
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| 29. | For example, the estimated using photometry.
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| 30. | The photometry of a light fixture describes the way it distributes its light into space.
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