Leuschner Observatory, originally called the Students’ Observatory, is an observatory operated by the University of California, Berkeley. The observatory was built in 1886 on the Berkeley campus. For many years, it was directed by Armin Otto Leuschner, for whom the observatory was renamed in 1951. In 1965, it was relocated to its present home in [...]
Infrared Astronomy
The latest articles related to Infrared Astronomy
In infrared astronomy, the J band refers to an atmospheric transmission window centred on 1.25 micrometres (in the near-infrared). Adapted from the Wikipedia article J band, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki
NASA Infrared Telescope Facility (NASA IRTF) is a telescope optimized for use in infrared astronomy and located at the Mauna Kea Observatory in Hawai’i. It was first built to support the Voyager missions and is now the USA national facility for infrared astronomy, providing continued support to planetary, solar neighborhood, and deep space applications. According [...]
astronomical interferometer is an array of telescopes or mirror segments acting together to probe structures with higher resolution by means of interferometry. Astronomical interferometers are widely used for optical astronomy, infrared astronomy, submillimetre astronomy and radio astronomy. Aperture synthesis can be used to perform high-resolution imaging using astronomical interferometers. Very Long Baseline Interferometry uses a [...]
Photoresistors come in many different types. Inexpensive cadmium sulfide cells can be found in many consumer items such as camera light meters, street lights, clock radios, alarms, and outdoor clocks. They are also used in some dynamic compressors together with a small incandescent lamp or light emitting diode to control gain reduction. Lead sulfide (PbS) [...]
In infrared astronomy, the H band refers to an atmospheric transmission window centred on 1.65 micrometres with a FWHM width of 0.35 micrometres (in the near-infrared). Adapted from the Wikipedia article H band, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki
Edward L. (Ned) Wright is an American astrophysicist and cosmologist, well known for his achievements in the COBE project and as a strong Big Bang proponent in web tutorials on cosmology and theory of relativity. Wright received his ABscl (Physics in 1969) and PhD (Astronomy in 1976) degrees from Harvard University, where he was a [...]
Galactic astronomy is the study of our own Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including all other galaxies. Galactic astronomy should not be confused with galaxy formation and evolution, which is the general study of galaxies, their formation, [...]
He started working at Texas Instruments in 1961, where one of his early projects was the development of a low-temperature thermometer that was developed using a germanium semiconductor that had been doped with small quantities of gallium, which measured changes in temperature based on the change in the device’s electrical resistance as energy was absorbed. [...]
Late in the 19th century, scientists began discovering forms of light which were invisible to the naked eye: X-Rays, gamma rays, radio waves, microwaves, ultraviolet radiation, and infrared radiation. This had a major impact on astronomy, spawning the fields of infrared astronomy, radio astronomy, x-ray astronomy and finally gamma-ray astronomy. With the advent of spectroscopy [...]
In infrared astronomy, the M band refers to an atmospheric transmission window centred on 4.7 micrometres (in the mid-infrared). Adapted from the Wikipedia article M band, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki
Aperture synthesis or synthesis imaging is a type of interferometry that mixes signals from a collection of telescopes to produce images having the same angular resolution as an instrument the size of the entire collection. At each separation and orientation, the lobe-pattern of the interferometer produces an output which is one component of the Fourier [...]
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