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单词 astrophotometer
释义

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astrophotometer
astrophotometer n.
Brit. /ˌastrə(ʊ)fə(ʊ)ˈtɒmᵻtə/
,
U.S. /ˌæstroʊfəˈtɑmədər/
[after German Astrophotometer ( J. C. F. Zöllner Grundzüge einer allgemeinen Photometrie des Himmels (1861) 5)] Astronomy (now historical) an instrument for measuring the brightness of a star's light.
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the world > the universe > cosmology > science of observation > astronomical instruments > observational instruments > [noun] > stars
astrometer1783
astrophanometer?1810
scintillometer1861
astrophotometer1866
siderostat1868
wedge-photometer1883
scintilloscope1890
1866 Amer. Jrnl. Sci. 92 418 The astro-photometer is described in Zölner's ‘Grundzüge einer allgemeinen Photometrie des Himmels, Berlin, 1861’.
1993 D. E. Wilhelms To Rocky Moon xiii. 244 They flew only one more Lunokhod, equipped with the same instruments plus another camera, a magnetometer,..and an astrophotometer.
2004 D. Baird Thing Knowl. vi. 129 Staubermann recreated Karl Friedrich Zöllner's nineteenth-century astrophotometer, starting with the public record—both written and artifact.
extracted from astro-comb. form
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