Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Android™ device!
Install
Faster access than browser!
 

Gliese 251

+ Save concept

No description. [1]

22 relations: Apparent magnitude, Auriga (constellation), Constellation, Epoch (astronomy), Gemini (constellation), Gliese 268, Gliese Catalogue of Nearby Stars, Henry Draper Catalogue, Hipparcos, Kelvin, Light-year, Max Wolf, Metallicity, Red dwarf, Solar mass, Solar radius, Solar System, Star, Star catalogue, Stellar classification, The Astrophysical Journal, Theta Geminorum.

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!!: Gliese 251 and Apparent magnitude · See more »

Auriga (constellation)

Auriga is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century astronomer Ptolemy.

New!!: Gliese 251 and Auriga (constellation) · See more »

Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

New!!: Gliese 251 and Christmas · See more »

Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

New!!: Gliese 251 and Christmas and holiday season · See more »

Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

New!!: Gliese 251 and Christmas Eve · See more »

Christmas traditions

Christmas traditions vary from country to country.

New!!: Gliese 251 and Christmas traditions · See more »

Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

New!!: Gliese 251 and Constellation · 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!!: Gliese 251 and Epoch (astronomy) · See more »

Gemini (constellation)

Gemini is one of the constellations of the zodiac.

New!!: Gliese 251 and Gemini (constellation) · See more »

Gliese 268

Gliese 268 (QY Aurigae) is a RS Canum Venaticorum variable (RS CVn) star in the Auriga constellation.

New!!: Gliese 251 and Gliese 268 · 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!!: Gliese 251 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!!: Gliese 251 and Henry Draper Catalogue · See more »

Hipparcos

Hipparcos was a scientific satellite of the European Space Agency (ESA), launched in 1989 and operated until 1993.

New!!: Gliese 251 and Hipparcos · See more »

Kelvin

The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

New!!: Gliese 251 and Kelvin · See more »

Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

New!!: Gliese 251 and Light-year · See more »

Max Wolf

Maximilian Franz Joseph Cornelius "Max" Wolf (June 21, 1863 – October 3, 1932) was a German astronomer and a pioneer in the field of astrophotography.

New!!: Gliese 251 and Max Wolf · 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!!: Gliese 251 and Metallicity · See more »

New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

New!!: Gliese 251 and New Year · See more »

New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

New!!: Gliese 251 and New Year's Day · See more »

New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

New!!: Gliese 251 and New Year's Eve · See more »

Red dwarf

A red dwarf (or M dwarf) is a small and relatively cool star on the main sequence, of M spectral type.

New!!: Gliese 251 and Red dwarf · See more »

Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

New!!: Gliese 251 and Solar mass · See more »

Solar radius

Solar radius is a unit of distance used to express the size of stars in astronomy.

New!!: Gliese 251 and Solar radius · See more »

Solar System

The Solar SystemCapitalization of the name varies.

New!!: Gliese 251 and Solar System · See more »

Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

New!!: Gliese 251 and Star · See more »

Star catalogue

A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.

New!!: Gliese 251 and Star catalogue · See more »

Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

New!!: Gliese 251 and Stellar classification · 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!!: Gliese 251 and The Astrophysical Journal · See more »

Theta Geminorum

Theta Geminorum (θ Gem, θ Geminorum) is a single star in the northern zodiac constellation of Gemini.

New!!: Gliese 251 and Theta Geminorum · See more »

2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

New!!: Gliese 251 and 2018 · See more »

2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

New!!: Gliese 251 and 2019 · See more »

Redirects here:

G 103-68, G 87-12, GJ 251, HD 265866, HIP 33226, LFT 497, LHS 1879, LTT 11941, NLTT 17147, TYC 2441-572-1, Wolf 294.

References

[1] https://en.wikipedia.org/wiki/Gliese_251

OutgoingIncoming
Hey! We are on Facebook now! »