Logo
Unionpedia
Communication
Get it on Google Play
New! Download Unionpedia on your Androidâ„¢ device!
Install
Faster access than browser!
 

Upsilon Boötis

+ Save concept

Upsilon Boötis (υ Boötis) is a single, orange-hued star in the northern constellation of Boötes. [1]

23 relations: Asteroseismology, Astronomy & Astrophysics, Boötes, Constellation, Effective temperature, Epoch (astronomy), Giant star, Interferometry, International Celestial Reference System, Light-year, Minute and second of arc, Monthly Notices of the Royal Astronomical Society, Parallax, Photosphere, Radial velocity, Solar luminosity, Solar mass, Solar radius, Star, Stellar classification, Stellar evolution, Sun, The Astrophysical Journal.

Asteroseismology

Asteroseismology or astroseismology is the study of oscillations in stars.

New!!: Upsilon Boötis and Asteroseismology · See more »

Astronomy & Astrophysics

Astronomy & Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

New!!: Upsilon Boötis and Astronomy & Astrophysics · See more »

Boötes

Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

New!!: Upsilon Boötis and Boötes · See more »

Christmas

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

New!!: Upsilon Boötis 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!!: Upsilon Boötis 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!!: Upsilon Boötis and Christmas Eve · See more »

Christmas traditions

Christmas traditions vary from country to country.

New!!: Upsilon Boötis 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!!: Upsilon Boötis and Constellation · 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!!: Upsilon Boötis 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!!: Upsilon Boötis and Epoch (astronomy) · See more »

Giant star

A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.

New!!: Upsilon Boötis and Giant star · See more »

Interferometry

Interferometry is a family of techniques in which waves, usually electromagnetic waves, are superimposed causing the phenomenon of interference in order to extract information.

New!!: Upsilon Boötis and Interferometry · See more »

International Celestial Reference System

The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).

New!!: Upsilon Boötis and International Celestial Reference System · 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!!: Upsilon Boötis and Light-year · See more »

Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

New!!: Upsilon Boötis and Minute and second of arc · 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!!: Upsilon Boötis and Monthly Notices of the Royal Astronomical Society · 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!!: Upsilon Boötis 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!!: Upsilon Boötis 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!!: Upsilon Boötis and New Year's Eve · See more »

Parallax

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines.

New!!: Upsilon Boötis and Parallax · See more »

Photosphere

The photosphere is a star's outer shell from which light is radiated.

New!!: Upsilon Boötis and Photosphere · See more »

Radial velocity

The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.

New!!: Upsilon Boötis and Radial velocity · See more »

Solar luminosity

The solar luminosity,, is a unit of radiant flux (power emitted in the form of photons) conventionally used by astronomers to measure the luminosity of stars, galaxies and other celestial objects in terms of the output of the Sun.

New!!: Upsilon Boötis and Solar luminosity · See more »

Solar mass

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

New!!: Upsilon Boötis and Solar mass · See more »

Solar radius

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

New!!: Upsilon Boötis 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!!: Upsilon Boötis and Star · See more »

Stellar classification

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

New!!: Upsilon Boötis and Stellar classification · See more »

Stellar evolution

Stellar evolution is the process by which a star changes over the course of time.

New!!: Upsilon Boötis and Stellar evolution · See more »

Sun

The Sun is the star at the center of the Solar System.

New!!: Upsilon Boötis and Sun · 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!!: Upsilon Boötis and The Astrophysical Journal · See more »

2018

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

New!!: Upsilon Boötis 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!!: Upsilon Boötis and 2019 · See more »

Redirects here:

5 Boötis, HD 120477, HIP 67459, HR 5200, SAO 100725, Upsilon Bootis, Υ Boötis.

References

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

OutgoingIncoming
Hey! We are on Facebook now! »