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22 relations: Aquila (constellation), Black hole, Chandra X-ray Observatory, Declination, Epoch (astronomy), Faster-than-light, Granat, INTEGRAL, MERLIN, Microquasar, Milky Way, NASA, Parsec, Relativistic aberration, Right ascension, Solar mass, Superluminal motion, Synchrotron radiation, Variable star designation, Very Large Array, Very-long-baseline interferometry, X-ray binary.
Aquila (constellation)
Aquila is a constellation on the celestial equator.
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Black hole
A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing—not even particles and electromagnetic radiation such as light—can escape from inside it.
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Chandra X-ray Observatory
The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space observatory launched on STS-93 by NASA on July 23, 1999.
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Declination
In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.
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Epoch (astronomy)
In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.
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Faster-than-light
Faster-than-light (also superluminal or FTL) communication and travel are the conjectural propagation of information or matter faster than the speed of light.
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Granat
The International Astrophysical Observatory "GRANAT" (usually known as Granat; Гранат), was a Soviet (later Russian) space observatory developed in collaboration with France, Denmark and Bulgaria.
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INTEGRAL
INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) is a currently operational space telescope for observing gamma rays.
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MERLIN
The Multi-Element Radio Linked Interferometer Network (MERLIN) is an interferometer array of radio telescopes spread across England.
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Microquasar
A microquasar, the smaller version of a quasar, is a compact region surrounding a black hole with a mass several times that of our sun, and its companion star.
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Milky Way
The Milky Way is the galaxy that contains our Solar System.
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NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
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Parsec
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
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Relativistic aberration
Relativistic aberration is the relativistic version of aberration of light, including relativistic corrections that become significant for observers who move with velocities close to the speed of light.
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Right ascension
Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.
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Solar mass
The solar mass is a standard unit of mass in astronomy, equal to approximately.
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Superluminal motion
In astronomy, superluminal motion is the apparently faster-than-light motion seen in some radio galaxies, BL Lac objects, quasars and recently also in some galactic sources called microquasars.
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Synchrotron radiation
Synchrotron radiation (also known as magnetobremsstrahlung radiation) is the electromagnetic radiation emitted when charged particles are accelerated radially, i.e., when they are subject to an acceleration perpendicular to their velocity.
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Variable star designation
Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.
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Very Large Array
The Karl G. Jansky Very Large Array (VLA) is a centimeter-wavelength radio astronomy observatory located in central New Mexico on the Plains of San Agustin, between the towns of Magdalena and Datil, ~50 miles (80 km) west of Socorro.
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Very-long-baseline interferometry
Very-long-baseline interferometry (VLBI) is a type of astronomical interferometry used in radio astronomy.
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X-ray binary
X-ray binaries are a class of binary stars that are luminous in X-rays.
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Redirects here:
Granat 1915+105, NOVA Aquilae 1992, V1487 Aql, V1487 Aquilae.
References
[1] https://en.wikipedia.org/wiki/GRS_1915%2B105
