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

Z Andromedae

+ Save concept

Z Andromedae is a symbiotic binary star system consisting of a red giant and a white dwarf. [1]

33 relations: Acta Astronomica, American Association of Variable Star Observers, Andromeda (constellation), Apparent magnitude, Astronomische Gesellschaft Katalog, Astronomische Nachrichten, Astronomy & Astrophysics, Balmer series, Binary star, Cataclysmic variable star, Durchmusterung, Effective temperature, Einstein Observatory, General Catalogue of Stellar Radial Velocities, Guide Star Catalog, Henry Draper Catalogue, Hipparcos, IRAS, JP11, Luminosity, Orbit, P Cygni, PPM Star Catalogue, Red giant, Smithsonian Astrophysical Observatory Star Catalog, Spectral line, Star catalogue, Stellar classification, Symbiotic binary, The Astrophysical Journal, Variable star, White dwarf, 2MASS.

Acta Astronomica

Acta Astronomica is a peer-reviewed scientific journal covering astronomy and astrophysics.

New!!: Z Andromedae and Acta Astronomica · See more »

American Association of Variable Star Observers

Since its founding in 1911, the American Association of Variable Star Observers (AAVSO) has coordinated, collected, evaluated, analyzed, published, and archived variable star observations made largely by amateur astronomers and makes the records available to professional astronomers, researchers, and educators.

New!!: Z Andromedae and American Association of Variable Star Observers · See more »

Andromeda (constellation)

Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.

New!!: Z Andromedae and Andromeda (constellation) · See more »

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!!: Z Andromedae and Apparent magnitude · See more »

Astronomische Gesellschaft Katalog

The Astronomische Gesellschaft Katalog (AGK) is an astrometric star catalogue.

New!!: Z Andromedae and Astronomische Gesellschaft Katalog · See more »

Astronomische Nachrichten

Astronomische Nachrichten (Astronomical Notes), one of the first international journals in the field of astronomy, was founded in 1821 by the German astronomer Heinrich Christian Schumacher.

New!!: Z Andromedae and Astronomische Nachrichten · See more »

Astronomy & Astrophysics

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

New!!: Z Andromedae and Astronomy & Astrophysics · See more »

Balmer series

The Balmer series or Balmer lines in atomic physics, is the designation of one of a set of six named series describing the spectral line emissions of the hydrogen atom.

New!!: Z Andromedae and Balmer series · See more »

Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

New!!: Z Andromedae and Binary star · See more »

Cataclysmic variable star

Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state.

New!!: Z Andromedae and Cataclysmic variable star · See more »

Christmas

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

New!!: Z Andromedae 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!!: Z Andromedae 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!!: Z Andromedae and Christmas Eve · See more »

Christmas traditions

Christmas traditions vary from country to country.

New!!: Z Andromedae and Christmas traditions · See more »

Durchmusterung

In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.

New!!: Z Andromedae and Durchmusterung · 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!!: Z Andromedae and Effective temperature · See more »

Einstein Observatory

Einstein Observatory (HEAO-2) was the first fully imaging X-ray telescope put into space and the second of NASA's three High Energy Astrophysical Observatories.

New!!: Z Andromedae and Einstein Observatory · See more »

General Catalogue of Stellar Radial Velocities

The General Catalogue of Stellar Radial Velocities is a star catalogue which lists radial velocities for 15,107 stars.

New!!: Z Andromedae and General Catalogue of Stellar Radial Velocities · See more »

Guide Star Catalog

The Guide Star Catalog (GSC), also known as the Hubble Space Telescope, Guide Catalog (HSTGC), is a star catalog compiled to support the Hubble Space Telescope with targeting off-axis stars.

New!!: Z Andromedae and Guide Star Catalog · 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!!: Z Andromedae 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!!: Z Andromedae and Hipparcos · See more »

IRAS

The Infrared Astronomical Satellite (IRAS) was the first-ever space telescope to perform a survey of the entire night sky at infrared wavelengths.

New!!: Z Andromedae and IRAS · See more »

JP11

JP11 is a star catalog containing about 4000 objects.

New!!: Z Andromedae and JP11 · See more »

Luminosity

In astronomy, luminosity is the total amount of energy emitted per unit of time by a star, galaxy, or other astronomical object.

New!!: Z Andromedae and Luminosity · 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!!: Z Andromedae 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!!: Z Andromedae 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!!: Z Andromedae and New Year's Eve · See more »

Orbit

In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.

New!!: Z Andromedae and Orbit · See more »

P Cygni

P Cygni (34 Cyg) is a variable star in the constellation Cygnus.

New!!: Z Andromedae and P Cygni · See more »

PPM Star Catalogue

The PPM Star Catalogue (Positions and Proper Motions Star Catalogue) is the successor of the SAO Catalogue.

New!!: Z Andromedae and PPM Star Catalogue · See more »

Red giant

A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution.

New!!: Z Andromedae and Red giant · See more »

Smithsonian Astrophysical Observatory Star Catalog

The Smithsonian Astrophysical Observatory Star Catalog is an astrometric star catalogue.

New!!: Z Andromedae and Smithsonian Astrophysical Observatory Star Catalog · See more »

Spectral line

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.

New!!: Z Andromedae and Spectral line · See more »

Star catalogue

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

New!!: Z Andromedae and Star catalogue · See more »

Stellar classification

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

New!!: Z Andromedae and Stellar classification · See more »

Symbiotic binary

A symbiotic binary is a type of binary star system, often simply called a symbiotic star.

New!!: Z Andromedae and Symbiotic binary · 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!!: Z Andromedae and The Astrophysical Journal · See more »

Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

New!!: Z Andromedae and Variable star · See more »

White dwarf

A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter.

New!!: Z Andromedae and White dwarf · See more »

2018

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

New!!: Z Andromedae 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!!: Z Andromedae and 2019 · See more »

2MASS

The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in the infrared spectrum and one of the most ambitious such projects.

New!!: Z Andromedae and 2MASS · See more »

Redirects here:

Z And, Z andromedae.

References

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

OutgoingIncoming
Hey! We are on Facebook now! »