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

Leo Minor

Index Leo Minor

Leo Minor is a small and faint constellation in the northern celestial hemisphere. [1]

87 relations: A-type main-sequence star, Accretion disk, Apparent magnitude, Aratus, Asteroseismology, Astronomy, Barred spiral galaxy, Barycenter, Bayer designation, Beta Leonis Minoris, Binary star, Cancer (constellation), Chinese astronomy, Christian Ludwig Ideler, Constellation, Constellation family, Culmination, Declination, Deep-sky object, Delta Scuti variable, Dwarf nova, Edge (geometry), Equatorial coordinate system, Eugène Joseph Delporte, European Southern Observatory, F-type main-sequence star, Francis Baily, G 117-B15A, G-type main-sequence star, Galaxy Zoo, Giant star, Giuseppe Piazzi, Hanny's Voorwerp, HD 82886, Interacting galaxy, International Astronomical Union, Johann Elert Bode, Johannes Hevelius, Lenticular galaxy, Leo (constellation), Leonis Minorids, Light-year, Lion, Luminosity, Luminous blue variable, Lynx (constellation), Main sequence, Metallicity, Milky Way, Minute and second of arc, ..., Mira variable, Monthly Notices of the Royal Astronomical Society, NGC 3344, NGC 3432, North Pole, Northern Hemisphere, Patrick Moore, Planetary system, Popular Astronomy (US magazine), Ptolemy, Pulsating white dwarf, Quasar, R Leonis Minoris, Red dwarf, Red giant, Richard A. Proctor, Right ascension, RS Canum Venaticorum variable, Semiregular variable star, Solar System, Spiral galaxy, Star, Starburst galaxy, Stefano Borgia, Stellar classification, Supergiant star, Supernova impostor, SX Leonis Minoris, Ursa Major, Velletri, 11 Leonis Minoris, 20 Leonis Minoris, 37 Leonis Minoris, 38 Leonis Minoris, 3C 234, 45th parallel south, 46 Leonis Minoris. Expand index (37 more) »

A-type main-sequence star

An A-type main-sequence star (A V) or A dwarf star is a main-sequence (hydrogen-burning) star of spectral type A and luminosity class V. These stars have spectra which are defined by strong hydrogen Balmer absorption lines.

New!!: Leo Minor and A-type main-sequence star · See more »

Accretion disk

An accretion disk is a structure (often a circumstellar disk) formed by diffused material in orbital motion around a massive central body.

New!!: Leo Minor and Accretion disk · 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!!: Leo Minor and Apparent magnitude · See more »


Aratus (Ἄρατος ὁ Σολεύς; ca. 315 BC/310 BC240) was a Greek didactic poet.

New!!: Leo Minor and Aratus · See more »


Asteroseismology or astroseismology is the study of oscillations in stars.

New!!: Leo Minor and Asteroseismology · See more »


Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.

New!!: Leo Minor and Astronomy · See more »

Barred spiral galaxy

A barred spiral galaxy is a spiral galaxy with a central bar-shaped structure composed of stars.

New!!: Leo Minor and Barred spiral galaxy · See more »


The barycenter (or barycentre; from the Ancient Greek βαρύς heavy + κέντρον centre) is the center of mass of two or more bodies that are orbiting each other, which is the point around which they both orbit.

New!!: Leo Minor and Barycenter · See more »

Bayer designation

A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.

New!!: Leo Minor and Bayer designation · See more »

Beta Leonis Minoris

Beta Leonis Minoris (Beta LMi, β Leonis Minoris, β LMi) is a binary star in the constellation of Leo Minor.

New!!: Leo Minor and Beta Leonis Minoris · See more »

Binary star

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

New!!: Leo Minor and Binary star · See more »

Cancer (constellation)

Cancer is one of the twelve constellations of the zodiac.

New!!: Leo Minor and Cancer (constellation) · See more »

Chinese astronomy

Astronomy in China has a long history, beginning from the Shang Dynasty (Chinese Bronze Age).

New!!: Leo Minor and Chinese astronomy · See more »

Christian Ludwig Ideler

Christian Ludwig Ideler (21 September 1766 – 10 August 1846) was a German chronologist and astronomer.

New!!: Leo Minor and Christian Ludwig Ideler · See more »


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!!: Leo Minor and Constellation · See more »

Constellation family

Constellation families are collections of constellations sharing some defining characteristic, such as proximity on the celestial sphere, common historical origin, or common mythological theme.

New!!: Leo Minor and Constellation family · See more »


In astronomy, the culmination of a planet, star, or constellation is its transit over an observer's meridian.

New!!: Leo Minor and Culmination · See more »


In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle.

New!!: Leo Minor and Declination · See more »

Deep-sky object

Deep-sky object (abbreviated as DSO) is a term designating any astronomical object that is not an individual star or Solar System object (such as Sun, Moon, planet, comet, etc.). The classification is used for the most part by amateur astronomers to denote visually observed faint naked eye and telescopic objects such as star clusters, nebulae and galaxies.

New!!: Leo Minor and Deep-sky object · See more »

Delta Scuti variable

A Delta Scuti variable (sometimes termed dwarf cepheid) is a variable star which exhibits variations in its luminosity due to both radial and non-radial pulsations of the star's surface.

New!!: Leo Minor and Delta Scuti variable · See more »

Dwarf nova

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!!: Leo Minor and Dwarf nova · See more »

Edge (geometry)

In geometry, an edge is a particular type of line segment joining two vertices in a polygon, polyhedron, or higher-dimensional polytope.

New!!: Leo Minor and Edge (geometry) · See more »

Equatorial coordinate system

The equatorial coordinate system is a celestial coordinate system widely used to specify the positions of celestial objects.

New!!: Leo Minor and Equatorial coordinate system · See more »

Eugène Joseph Delporte

Eugène Joseph Delporte (10 January 1882 – 19 October 1955) was a Belgian astronomer born in Genappe.

New!!: Leo Minor and Eugène Joseph Delporte · See more »

European Southern Observatory

The European Southern Observatory (ESO) is a 15-nation intergovernmental research organization for ground-based astronomy.

New!!: Leo Minor and European Southern Observatory · See more »

F-type main-sequence star

An F-type main-sequence star (F V) is a main-sequence, hydrogen-fusing star of spectral type F and luminosity class V. These stars have from 1.0 to 1.4 times the mass of the Sun and surface temperatures between 6,000 and 7,600 K.Tables VII and VIII.

New!!: Leo Minor and F-type main-sequence star · See more »

Francis Baily

Francis Baily (28 April 177430 August 1844) was an English astronomer.

New!!: Leo Minor and Francis Baily · See more »

G 117-B15A

G117-B15A is a small, well-observed variable white dwarf star of the DAV, or ZZ Ceti, type in the constellation of Leo Minor.

New!!: Leo Minor and G 117-B15A · See more »

G-type main-sequence star

A G-type main-sequence star (Spectral type: G-V), often (and imprecisely) called a yellow dwarf, or G dwarf star, is a main-sequence star (luminosity class V) of spectral type G. Such a star has about 0.84 to 1.15 solar masses and surface temperature of between 5,300 and 6,000 K., G. M. H. J. Habets and J. R. W. Heintze, Astronomy and Astrophysics Supplement 46 (November 1981), pp.

New!!: Leo Minor and G-type main-sequence star · See more »

Galaxy Zoo

Galaxy Zoo is a crowdsourced astronomy project which invites people to assist in the morphological classification of large numbers of galaxies.

New!!: Leo Minor and Galaxy Zoo · 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!!: Leo Minor and Giant star · See more »

Giuseppe Piazzi

Giuseppe Piazzi (16 July 1746 – 22 July 1826) was an Italian Catholic priest of the Theatine order, mathematician, and astronomer.

New!!: Leo Minor and Giuseppe Piazzi · See more »

Hanny's Voorwerp

Hanny's Voorwerp, (Dutch for Hanny's object) is a rare type of astronomical object called a quasar ionization echo.

New!!: Leo Minor and Hanny's Voorwerp · See more »

HD 82886

HD 82886 is a sun-like star in the constellation Leo Minor.

New!!: Leo Minor and HD 82886 · See more »

Interacting galaxy

Interacting galaxies (colliding galaxies) are galaxies whose gravitational fields result in a disturbance of one another.

New!!: Leo Minor and Interacting galaxy · See more »

International Astronomical Union

The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

New!!: Leo Minor and International Astronomical Union · See more »

Johann Elert Bode

Johann Elert Bode (19 January 1747 – 23 November 1826) was a German astronomer known for his reformulation and popularisation of the Titius–Bode law.

New!!: Leo Minor and Johann Elert Bode · See more »

Johannes Hevelius

Johannes Hevelius Some sources refer to Hevelius as Polish.

New!!: Leo Minor and Johannes Hevelius · See more »

Lenticular galaxy

A lenticular galaxy (denoted S0) is a type of galaxy intermediate between an elliptical (denoted E) and a spiral galaxy in galaxy morphological classification schemes.

New!!: Leo Minor and Lenticular galaxy · See more »

Leo (constellation)

Leo is one of the constellations of the zodiac, lying between Cancer the crab to the west and Virgo the maiden to the east.

New!!: Leo Minor and Leo (constellation) · See more »

Leonis Minorids

Leo Minorids is a weak meteor shower that takes place from October 19 till October 27 each year.

New!!: Leo Minor and Leonis Minorids · See more »


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!!: Leo Minor and Light-year · See more »


The lion (Panthera leo) is a species in the cat family (Felidae).

New!!: Leo Minor and Lion · See more »


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

New!!: Leo Minor and Luminosity · See more »

Luminous blue variable

Luminous blue variables (LBVs) are massive evolved stars that show unpredictable and sometimes dramatic variations in both their spectra and brightness.

New!!: Leo Minor and Luminous blue variable · See more »

Lynx (constellation)

Lynx is a constellation named after the animal, usually observed in the northern sky.

New!!: Leo Minor and Lynx (constellation) · See more »

Main sequence

In astronomy, the main sequence is a continuous and distinctive band of stars that appear on plots of stellar color versus brightness.

New!!: Leo Minor and Main sequence · See more »


In astronomy, metallicity is used to describe the abundance of elements present in an object that are heavier than hydrogen or helium.

New!!: Leo Minor and Metallicity · See more »

Milky Way

The Milky Way is the galaxy that contains our Solar System.

New!!: Leo Minor and Milky Way · 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!!: Leo Minor and Minute and second of arc · See more »

Mira variable

Mira variables ("Mira", Latin, adj. - feminine form of adjective "wonderful"), named for the prototype star Mira, are a class of pulsating variable stars characterized by very red colours, pulsation periods longer than 100 days, and amplitudes greater than one magnitude in infrared and 2.5 magnitude at visual wavelengths.

New!!: Leo Minor and Mira variable · 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!!: Leo Minor and Monthly Notices of the Royal Astronomical Society · See more »

NGC 3344

NGC 3344 is a relatively isolated barred spiral galaxy located 22.5 million light years away in the constellation Leo Minor.

New!!: Leo Minor and NGC 3344 · See more »

NGC 3432

NGC 3432 is a spiral galaxy that can be found in the constellation Leo Minor.

New!!: Leo Minor and NGC 3432 · See more »

North Pole

The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is (subject to the caveats explained below) defined as the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.

New!!: Leo Minor and North Pole · See more »

Northern Hemisphere

The Northern Hemisphere is the half of Earth that is north of the Equator.

New!!: Leo Minor and Northern Hemisphere · See more »

Patrick Moore

Sir Patrick Alfred Caldwell-Moore (4 March 19239 December 2012) was an English amateur astronomer who attained prominent status in that field as a writer, researcher, radio commentator and television presenter.

New!!: Leo Minor and Patrick Moore · See more »

Planetary system

A planetary system is a set of gravitationally bound non-stellar objects in or out of orbit around a star or star system.

New!!: Leo Minor and Planetary system · See more »

Popular Astronomy (US magazine)

Popular Astronomy is an American magazine published by John August Media, LLC and hosted at TechnicaCuriosa.com for amateur astronomers.

New!!: Leo Minor and Popular Astronomy (US magazine) · See more »


Claudius Ptolemy (Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos; Claudius Ptolemaeus) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology.

New!!: Leo Minor and Ptolemy · See more »

Pulsating white dwarf

A pulsating white dwarf is a white dwarf star whose luminosity varies due to non-radial gravity wave pulsations within itself.

New!!: Leo Minor and Pulsating white dwarf · See more »


A quasar (also known as a QSO or quasi-stellar object) is an extremely luminous active galactic nucleus (AGN).

New!!: Leo Minor and Quasar · See more »

R Leonis Minoris

R Leonis Minoris (R LMi) is a Mira variable type star in the constellation Leo Minor.

New!!: Leo Minor and R Leonis Minoris · 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!!: Leo Minor and Red dwarf · 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!!: Leo Minor and Red giant · See more »

Richard A. Proctor

Richard Anthony Proctor (23 March 1837 – 12 September 1888) was an English astronomer.

New!!: Leo Minor and Richard A. Proctor · See more »

Right ascension

Right ascension (abbreviated RA; symbol) is the angular distance measured only eastward along the celestial equator from the Sun at the March equinox to the (hour circle of the) point above the earth in question.

New!!: Leo Minor and Right ascension · See more »

RS Canum Venaticorum variable

RS Canum Venaticorum variables are a type of variable star.

New!!: Leo Minor and RS Canum Venaticorum variable · See more »

Semiregular variable star

Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities.

New!!: Leo Minor and Semiregular variable star · See more »

Solar System

The Solar SystemCapitalization of the name varies.

New!!: Leo Minor and Solar System · See more »

Spiral galaxy

Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.

New!!: Leo Minor and Spiral galaxy · See more »


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

New!!: Leo Minor and Star · See more »

Starburst galaxy

A starburst galaxy is a galaxy undergoing an exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy or the star formation rate observed in most other galaxies.

New!!: Leo Minor and Starburst galaxy · See more »

Stefano Borgia

Stefano Borgia (3 December 1731 – 1804) was an Italian Cardinal, theologian, antiquarian, and historian.

New!!: Leo Minor and Stefano Borgia · See more »

Stellar classification

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

New!!: Leo Minor and Stellar classification · See more »

Supergiant star

Supergiants are among the most massive and most luminous stars.

New!!: Leo Minor and Supergiant star · See more »

Supernova impostor

Supernova impostors are stellar explosions that appear at first to be a type of supernova but do not destroy their progenitor stars.

New!!: Leo Minor and Supernova impostor · See more »

SX Leonis Minoris

SX Leonis Minoris is a dwarf nova of the SU Ursae Majoris type that was first discovered as a 16th magnitude blue star in 1957, before its identity was confirmed as a dwarf nova in 1994.

New!!: Leo Minor and SX Leonis Minoris · See more »

Ursa Major

Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.

New!!: Leo Minor and Ursa Major · See more »


Velletri (Velitrae, Velester) is an Italian comune in the Metropolitan City of Rome, on the Alban Hills, in Lazio, central Italy.

New!!: Leo Minor and Velletri · See more »

11 Leonis Minoris

11 Leonis Minoris (11 LMi) is a star system located 37 light years away from Earth, in the northern constellation of Leo Minor.

New!!: Leo Minor and 11 Leonis Minoris · See more »

20 Leonis Minoris

20 Leonis Minoris is a binary star system in the northern constellation of Leo Minor.

New!!: Leo Minor and 20 Leonis Minoris · See more »

37 Leonis Minoris

37 Leonis Minoris is a single, yellow-hued star in the northern constellation of Leo Minor.

New!!: Leo Minor and 37 Leonis Minoris · See more »

38 Leonis Minoris

38 Leonis Minoris is a binary star system in the northern constellation of Leo Minor.

New!!: Leo Minor and 38 Leonis Minoris · See more »

3C 234

3C 234 is a Seyfert galaxy with a quasar-like appearance located in the constellation Leo Minor.

New!!: Leo Minor and 3C 234 · See more »

45th parallel south

The 45th parallel south is a circle of latitude that is 45° south of the Earth's equator.

New!!: Leo Minor and 45th parallel south · See more »

46 Leonis Minoris

46 Leonis Minoris (abbreviated 46 LMi), also named Praecipua, is the brightest star in the constellation of Leo Minor.

New!!: Leo Minor and 46 Leonis Minoris · See more »

Redirects here:

Constellation Leo Minor, LMi, Leo Minor (constellation), Leo Minor constellation.


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

Hey! We are on Facebook now! »