- visual photometric measurements
- визуальное фотометрирование
English-russian dictionary of physics. 2013.
visual photometric measurements
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Photometric system — In astronomy, a Photometric system is a set of well defined passbands (of filters), with a known sensitivity to incident radiation. The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a… … Wikipedia
Visual appearance — The visual appearance of objects is given by the way in which they reflect and transmit light. The color of objects is determined by the parts of the spectrum of (incident white) light that are reflected or transmitted without being absorbed.… … Wikipedia
UBV photometric system — UBV photometric system, also called the Johnson system (or Johnson Morgan system), is a wide band photometric system for classifying stars according to their colors. It is first known standardized photoelectric photometric system. The letters U,… … Wikipedia
Vega — Starbox begin name=Vega Starbox image caption = Location of Vega in the constellation Lyra. Starbox observe epoch=J2000.0 constell=Lyra ra=RA|18|36|56.3364cite web author=Staff date=October 30, 2007 url=http://simbad.u strasbg.fr/simbad/sim… … Wikipedia
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
Photometry (optics) — This article deals with the usage of this term in optics and lighting .Photometry is the science of measurement of light, in terms of its perceived brightness to the human eye. It is distinct from radiometry, which is the science of measurement… … Wikipedia
Magnitude (astronomy) — For other uses, see Magnitude (disambiguation). Magnitude is the logarithmic measure of the brightness of an object, in astronomy, measured in a specific wavelength or passband, usually in optical or near infrared wavelengths. Contents 1… … Wikipedia
Procyon — This article is about the star. Procyon is also the mammalian genus to which raccoons belong. Starbox begin name=Procyon A/B Starbox image caption=The position of Procyon. Starbox observe epoch=J2000 constell=Canis Minor ra=07h 39m 18.1/17.7s dec … Wikipedia
Epsilon Indi — Starbox begin name=Epsilon IndiStarbox observe epoch = J2000.0 (ICRS) constell = Indus ra = RA|22|03|21.6571cite web url=http://simbad.u strasbg.fr/simbad/sim id?Ident=epsilon%20indi title=SIMBAD Query Result: LHS 67 High proper motion Star… … Wikipedia
Leavitt , Henrietta Swan — (1868–1921) American astronomer Henrietta Leavitt was born the daughter of a Congregational minister in Lancaster, Massachusetts. Her interest in astronomy was aroused while she was at Radcliffe College (then the Society for the Collegiate… … Scientists
UBV system — ▪ astronomy system of classifying stars by spectral type, based on photometric measurements of the ultraviolet (U), blue (B), and visual (V [yellow]) magnitudes. These magnitudes are measured through filters sensitive to light at… … Universalium
