37 relations: Apparent magnitude, Asteroseismology, Astronomical interferometer, Bortle scale, Catalog of Nearby Habitable Systems, Corona, Debris disk, Earth, Effective temperature, Epoch (astronomy), European Southern Observatory, Gliese Catalogue of Nearby Stars, Henry Draper Catalogue, HIP 56948, Hipparcos, Infrared excess, Life, Main sequence, Margaret Turnbull, Metallicity, Monthly Notices of the Royal Astronomical Society, Nuclear fusion, Photometry (astronomy), Scorpius, Solar analog, Solar mass, Solar radius, Star, Stellar atmosphere, Stellar classification, Sun, The Astronomy and Astrophysics Review, The Astrophysical Journal, Tucson, Arizona, University of Arizona, X-ray astronomy, Zeeman–Doppler imaging.
Apparent magnitude
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
New!!: 18 Scorpii and Apparent magnitude · See more »
Asteroseismology
Asteroseismology or astroseismology is the study of oscillations in stars.
New!!: 18 Scorpii and Asteroseismology · See more »
Astronomical interferometer
An astronomical interferometer is an array of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide higher resolution images of astronomical objects such as stars, nebulas and galaxies by means of interferometry.
New!!: 18 Scorpii and Astronomical interferometer · See more »
Bortle scale
The Bortle scale is a nine-level numeric scale that measures the night sky's brightness of a particular location.
New!!: 18 Scorpii and Bortle scale · See more »
Catalog of Nearby Habitable Systems
The Catalog of Nearby Habitable Systems (HabCat) is a catalogue of star systems which conceivably have habitable planets.
New!!: 18 Scorpii and Catalog of Nearby Habitable Systems · See more »
Corona
A corona (Latin, 'crown') is an aura of plasma that surrounds the Sun and other stars.
New!!: 18 Scorpii and Corona · See more »
Debris disk
A debris disk is a circumstellar disk of dust and debris in orbit around a star.
New!!: 18 Scorpii and Debris disk · See more »
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
New!!: 18 Scorpii and Earth · See more »
Effective temperature
The effective temperature of a body such as a star or planet is the temperature of a black body that would emit the same total amount of electromagnetic radiation.
New!!: 18 Scorpii and Effective temperature · See more »
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.
New!!: 18 Scorpii and Epoch (astronomy) · See more »
European Southern Observatory
The European Southern Observatory (ESO) is a 15-nation intergovernmental research organization for ground-based astronomy.
New!!: 18 Scorpii and European Southern Observatory · See more »
Gliese Catalogue of Nearby Stars
The Gliese Catalogue of Nearby Stars is a modern star catalogue of stars located within 25 parsecs (81.54 ly) of the Earth.
New!!: 18 Scorpii and Gliese Catalogue of Nearby Stars · See more »
Henry Draper Catalogue
The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts, which gave classifications for 86,933 more stars.
New!!: 18 Scorpii and Henry Draper Catalogue · See more »
HIP 56948
HIP 56948 (also known as HD 101364) is a solar twin star of type G5V.
New!!: 18 Scorpii and HIP 56948 · See more »
Hipparcos
Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.
New!!: 18 Scorpii and Hipparcos · See more »
Infrared excess
An infrared excess is a measurement of an astronomical source, typically a star, that in their spectral energy distribution has a greater measured infrared flux than expected by assuming the star is a blackbody radiator.
New!!: 18 Scorpii and Infrared excess · See more »
Life
Life is a characteristic that distinguishes physical entities that do have biological processes, such as signaling and self-sustaining processes, from those that do not, either because such functions have ceased, or because they never had such functions and are classified as inanimate.
New!!: 18 Scorpii and Life · See more »
Main sequence
In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.
New!!: 18 Scorpii and Main sequence · See more »
Margaret Turnbull
Margaret Carol Turnbull is an American astronomer.
New!!: 18 Scorpii and Margaret Turnbull · See more »
Metallicity
In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.
New!!: 18 Scorpii and Metallicity · See more »
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.
New!!: 18 Scorpii and Monthly Notices of the Royal Astronomical Society · See more »
Nuclear fusion
In nuclear physics, nuclear fusion is a reaction in which two or more atomic nuclei come close enough to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
New!!: 18 Scorpii and Nuclear fusion · See more »
Photometry (astronomy)
Photometry is a technique of astronomy concerned with measuring the flux, or intensity of an astronomical object's electromagnetic radiation.
New!!: 18 Scorpii and Photometry (astronomy) · See more »
Scorpius
Scorpius is one of the constellations of the zodiac.
New!!: 18 Scorpii and Scorpius · See more »
Solar analog
Solar-type star, solar analogs (also analogues), and solar twins are stars that are particularly similar to the Sun.
New!!: 18 Scorpii and Solar analog · See more »
Solar mass
The solar mass is a standard unit of mass in astronomy, equal to approximately.
New!!: 18 Scorpii and Solar mass · See more »
Solar radius
Solar radius is a unit of distance used to express the size of stars in astronomy.
New!!: 18 Scorpii and Solar radius · See more »
Star
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
New!!: 18 Scorpii and Star · See more »
Stellar atmosphere
The stellar atmosphere is the outer region of the volume of a star, lying above the stellar core, radiation zone and convection zone.
New!!: 18 Scorpii and Stellar atmosphere · See more »
Stellar classification
In astronomy, stellar classification is the classification of stars based on their spectral characteristics.
New!!: 18 Scorpii and Stellar classification · See more »
Sun
The Sun is the star at the center of the Solar System.
New!!: 18 Scorpii and Sun · See more »
The Astronomy and Astrophysics Review
The Astronomy and Astrophysics Review is a peer-reviewed scientific journal that is published quarterly by Springer Science+Business Media.
New!!: 18 Scorpii and The Astronomy and Astrophysics Review · See more »
The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
New!!: 18 Scorpii and The Astrophysical Journal · See more »
Tucson, Arizona
Tucson is a city and the county seat of Pima County, Arizona, United States, and home to the University of Arizona.
New!!: 18 Scorpii and Tucson, Arizona · See more »
University of Arizona
The University of Arizona (also referred to as U of A, UA, or Arizona) is a public research university in Tucson, Arizona.
New!!: 18 Scorpii and University of Arizona · See more »
X-ray astronomy
X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects.
New!!: 18 Scorpii and X-ray astronomy · See more »
Zeeman–Doppler imaging
In astrophysics, Zeeman–Doppler imaging is a tomographic technique dedicated to the cartography of stellar magnetic fields, as well as surface brightness and temperature distributions.
New!!: 18 Scorpii and Zeeman–Doppler imaging · See more »
Redirects here:
18 Sco, GJ 616, GJ616, Gl 616, Gl616, Gliese 616, HD 146233, HD146233, HIP 79672, HIP79672, HR 6060, HR6060.
References
[1] https://en.wikipedia.org/wiki/18_Scorpii