In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is...

classifying stars into spectral types. The modern version of the stellar classification scheme was developed by Annie J. Cannon during the early 1900s....

reddening from the interstellar medium. In the current system of stellar classification, stars are grouped according to temperature, with the massive, very...

between the stars' absolute magnitudes or luminosities and their stellar classifications or effective temperatures. The diagram was created independently...

Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few...

1885, Edward C. Pickering undertook an ambitious program of stellar spectral classification at Harvard College Observatory, in which a team of woman computers...

velocity of +10 km/s. This is an A-type main-sequence star with a stellar classification of A9VkA7mA6. This notation indicates it has the Hydrogen lines...

Class M (or M-class) planet, a classification used in the Star Trek media franchise Class M star, a stellar classification Class M, a driver's license,...

over time. When its resulting stellar classification enters a range known as the instability strip—typically at stellar class A—the outer envelope can...

called the main-sequence stars on the diagram. A refined scheme for stellar classification was published in 1943 by William Wilson Morgan and Philip Childs...

development of contemporary stellar classification. With Edward C. Pickering, she is credited with the creation of the Harvard Classification Scheme, which was...

Germany The Morgan-Keenan-Kellman system, a stellar classification system also known as Yerkes spectral classification Search for "mkk" , "m-kk", "mk-k", or...

as reference points for deep-space imaging. Astrographs used for stellar classification sometimes consist of two identical telescopes on the same mount...

Yellow star may refer to: A yellow star in stellar classification A yellow badge, a cloth patch that Jews were ordered to wear on their clothes Any plant...

List of astronomy acronyms Astronomical symbols Stellar classification Galaxy morphological classification List of astronomical catalogues Glossary of astronomy...

component is a blue-white hued B-type main-sequence star with a stellar classification of B0.5V or B1V. It has 19±7 times the mass of the Sun (M☉) and...

studies have given various different values. The primary star has a stellar classification of B1III-IV. The luminosity class matches the spectrum of a star...

She published an important early catalog of stellar spectra using her own system of stellar classification, which was later adopted by the International...

dozen red giants and its hottest surviving main sequence star is of stellar classification B9 V. The abundance of elements other than hydrogen and helium,...

Y-chromosomal Adam and Haplogroup A (Y-DNA) A0, a subdivision in stellar classification A0, sometimes written as 0xA0, is the hexadecimal representation...

Nachos Stellar classification sequence: O B A F G K M R N S Oh Be A Fine Girl/Guy, Kiss Me Right Now, Sweetheart! Revised stellar classification sequence:...

Retrieved 2009-09-21. Gray, C. Richard O.; Corbally, J. (2009). Stellar Spectral Classification. Princeton University Press. pp. 115–122. ISBN 978-0691125114...

Planets in science fiction § Planet types Stellar classification Substellar object Sudarsky's gas giant classification The terms "inferior planet" and "superior...

an effect in transistor physics Early, a synonym for hotter in stellar classification Search for "early" on Wikipedia. All pages with titles beginning...

forth. Between 1910 and 1915, new discoveries increased interest in stellar classification, and work on the Henry Draper Catalogue itself started in 1911....

solar twins are stars that are particularly similar to the Sun. The stellar classification is a hierarchy with solar twin being most like the Sun followed...

star or bluestar may refer to: O-type star (a.k.a. blue star), a stellar classification Linckia laevigata, a sea star from the Indian and West Pacific Oceans...

Stellar structure models describe the internal structure of a star in detail and make predictions about the luminosity, the color and the future evolution...

Stellar dynamics is the branch of astrophysics which describes in a statistical way the collective motions of stars subject to their mutual gravity. The...

from Earth, 6.5 apparent magnitude. The known 131 objects are bound in 94 stellar systems. Of those, 103 are main sequence stars: 80 red dwarfs and 23 "typical"...