Examples of using Angular diameter in English and their translations into Russian
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Its apparent angular diameter is about 1 degree.
Uranus is a relatively faint object,and its visible angular diameter is smaller than 4″.
Δ Angular diameter of the source Se as seen from point C.
Janus, a very close moon to Saturn,has an angular diameter of about 7', meaning that it can fully cover the sun.
Γ Angular diameter of the measuring device Rr as seen from point C.
From Earth's vantage point, Proxima is separated from Alpha Centauri by 2.18 degrees,or four times the angular diameter of the full Moon.
The measured angular diameter of this star is 2.09± 0.11 mas.
Observing that it occurred within a two-day period is easier,requiring an observation precision of only about 1/16 of the angular diameter of the Sun.
Some observations show the angular diameter to change in synchrony with the visual brightness.
Estimating the sizes of asteroids fromobservations is difficult due to their irregular shapes, varying albedo, and small angular diameter.
The measured angular diameter of this star, after correction for limb darkening, is 2.44± 0.03 mas.
Further, to be precise to a single day, one must be able to observe a change in azimuth or elevation less than orequal to about 1/60 of the angular diameter of the Sun.
The angular diameter of UU Aurigae has been measured at 12.07± 0.22 mas using very-long-baseline interferometry VLBI.
Because of the distance of Neptune from Earth, its angular diameter only ranges from 2.2 to 2.4 arcseconds, the smallest of the Solar System planets.
The angular diameter of the photoelectric receiver as seen from the special warning lamp shall be 10 minutes of arc maximum.
From the Martian surface, Phobos has one-third to one-half the angular diameter of the Sun while Deimos is barely more than a dot only 2′ angular diameter.
The angular diameter of Altair was measured interferometrically by R. Hanbury Brown and his co-workers at Narrabri Observatory in the 1960s.
By investigating the measured fluxes, angular diameter, and mass of the nebula, a distance of 5.5 kpc and luminosity of 38 L☉ was determined.
Angular diameter of the receiver(symbol η2)" means the angle subtended by the greatest dimension of the receiver as seen from the reference centre(β1 β2 0);
The interferometry-measured angular diameter of this star is about 4.99 mas, which, at its estimated distance, equates to a physical radius of about 52 times the radius of the Sun.
The angular diameter has been measured at around 10 mas, although this varies depending on the observed wavelength and the atmosphere appears to be highly asymmetric.
The interferometry-measured angular diameter of this star is 0.626 mas, which, at its estimated distance, equates to a physical radius of around 3.3 times the radius of the Sun.
Its angular diameter is between 3.4 and 3.7 arcseconds, compared with 16 to 20 arcseconds for Saturn and 32 to 45 arcseconds for Jupiter.
The interferometry-measured angular diameter of this star is 1.63± 0.10 mas, which, at its estimated distance, equates to a physical radius of nearly 16 times the radius of the Sun.
Since the angular diameter of the Sun is about half a degree, Venus may appear to pass above or below the Sun by more than 18 solar diameters during an ordinary conjunction.
The star's angular diameter has been measured using interferometry with the Very Large Telescope and was found to be 0.84 milliarcseconds.
Angular diameter of the retro-reflecting device" means the angle subtended by the greatest dimension of the visible area of the illuminating surface, either at the centre of the source of illumination or at the centre of the receiver.
Angular diameter of the retro-reflective sample(symbol η)", the angle subtended by the greatest dimension of the retro-reflective sample, either at the centre of the source of illumination or at the centre of the receiver.
Angular diameter of the retro-reflector sample(symbol η1)" means the angle subtended by the greatest dimension of the retro-reflective sample, either at the centre of the source of illumination or at the centre of the receiver(ß1 ß2 0);
The interferometry-measured angular diameter of this star, after correcting for limb darkening, is 5.99± 0.06 mas, which, at its estimated distance, equates to a physical radius of nearly 13 times the radius of the Sun.