11 relations: Apparent magnitude, Camelopardalis, Cataclysmic variable star, Constellation, Dwarf nova, Epoch (astronomy), International Celestial Reference System, SIMBAD, Star, Variable star, Variable star designation.
The apparent magnitude (m) of a celestial object is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere.
Camelopardalis or the Giraffe constellation is a large, faint grouping of stars in the northern sky.
New!!: Z Camelopardalis and Camelopardalis ·
Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state.
In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).
New!!: Z Camelopardalis and Constellation ·
A U Geminorum-type variable star, or dwarf nova (pl. novae) is a type of cataclysmic variable star consisting of a close binary star system in which one of the components is a white dwarf that accretes matter from its companion.
New!!: Z Camelopardalis and Dwarf nova ·
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.
The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).
SIMBAD (the Set of Identifications, Measurements, and Bibliography for Astronomical Data) is an astronomical database of objects beyond the Solar System.
New!!: Z Camelopardalis and SIMBAD ·
A star is a luminous sphere of plasma held together by its own gravity.
New!!: Z Camelopardalis and Star ·
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.
New!!: Z Camelopardalis and Variable star ·
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.