Table of Contents
23 relations: Active galactic nucleus, Cambridge University Press, Constellation, Galaxy morphological classification, H II region, Hubble Space Telescope, Intermediate spiral galaxy, Light-year, Line-of-sight propagation, Low-ionization nuclear emission-line region, Metre per second, Monthly Notices of the Royal Astronomical Society, New General Catalogue, Ophiuchus, Parsec, Position angle, Sloan Digital Sky Survey, Solar mass, Supernova, Type Ia supernova, Type Iax supernova, Uppsala General Catalogue, 2MASS.
Active galactic nucleus
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars.
See NGC 6384 and Active galactic nucleus
Cambridge University Press
Cambridge University Press is the university press of the University of Cambridge.
See NGC 6384 and Cambridge University Press
Constellation
A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
See NGC 6384 and Constellation
Galaxy morphological classification
Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance.
See NGC 6384 and Galaxy morphological classification
H II region
An H II region or HII region is a region of interstellar atomic hydrogen that is ionized.
Hubble Space Telescope
The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
See NGC 6384 and Hubble Space Telescope
Intermediate spiral galaxy
An intermediate spiral galaxy is a galaxy that is in between the classifications of a barred spiral galaxy and an unbarred spiral galaxy.
See NGC 6384 and Intermediate spiral galaxy
Light-year
A light-year, alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km (Scientific notation: 9.4607304725808 × 1012 km), which is approximately 5.88 trillion mi.
Line-of-sight propagation
Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves can only travel in a direct visual path from the source to the receiver without obstacles.
See NGC 6384 and Line-of-sight propagation
Low-ionization nuclear emission-line region
A low-ionization nuclear emission-line region (LINER) is a type of galactic nucleus that is defined by its spectral line emission.
See NGC 6384 and Low-ionization nuclear emission-line region
Metre per second
The metre per second is the unit of both speed (a scalar quantity) and velocity (a vector quantity, which has direction and magnitude) in the International System of Units (SI), equal to the speed of a body covering a distance of one metre in a time of one second.
See NGC 6384 and Metre per second
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal in astronomy, astrophysics and related fields.
See NGC 6384 and Monthly Notices of the Royal Astronomical Society
New General Catalogue
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. NGC 6384 and New General Catalogue are NGC objects.
See NGC 6384 and New General Catalogue
Ophiuchus
Ophiuchus is a large constellation straddling the celestial equator.
Parsec
The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to or (AU), i.e..
Position angle
In astronomy, position angle (usually abbreviated PA) is the convention for measuring angles on the sky.
See NGC 6384 and Position angle
Sloan Digital Sky Survey
The Sloan Digital Sky Survey or SDSS is a major multi-spectral imaging and spectroscopic redshift survey using a dedicated 2.5-m wide-angle optical telescope at Apache Point Observatory in New Mexico, United States.
See NGC 6384 and Sloan Digital Sky Survey
Solar mass
The solar mass is a standard unit of mass in astronomy, equal to approximately.
Supernova
A supernova (supernovae or supernovas) is a powerful and luminous explosion of a star.
Type Ia supernova
A Type Ia supernova (read: "type one-A") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf.
See NGC 6384 and Type Ia supernova
Type Iax supernova
A type Iax supernova is a rare subtype of type Ia supernova, which leaves behind a remnant star, known as zombie star, rather than completely dispersing the white dwarf.
See NGC 6384 and Type Iax supernova
Uppsala General Catalogue
The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12,921 galaxies visible from the northern hemisphere. NGC 6384 and Uppsala General Catalogue are UGC objects.
See NGC 6384 and Uppsala General Catalogue
2MASS
The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in infrared light.