Regulus (α Leo / α Leonis / Alpha Leonis) is the brightest star in the constellation Leo and one of the brightest stars in the nighttime sky, and lies approximately 77.5 light years from Earth.
Regulus
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(rg´yls), brightest star in the constellation Leo; Bayer designation Alpha Leonis; 1992 position R.A. 10h08m, Dec. +12°00&minut;.
Regulus 3
Larger labelled image of the
Pleiades, or a color photo of
Regulus A by John Chumack.
Regulus is Latin and means "The Little King". According to Allen the name reflects a common belief that the star ruled the affairs of heaven. Rex is another Latin name for the star, meaning "The King." ...
Regulus is the 25th brightest star in the sky. Take a look at the list of the Brightest Stars ...
Regulus
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Wenjin Huang, CHARA, Georgia State University
What's in a Name: ...
Regulus is part of the Great Diamond.
By Jim Kaler. Return to STARS.
REGULUS - In 1915 The first world war rages on, the Lusitania is sunk and John Buchan writes The 39 Steps.
Regulus ( Leo)
A visual triple B8 V star about 26 pc distant.
Relative Number ...
REGULUS (Alpha Leo)
DENEBOLA (Beta Leo)
ALGIEBA (Gamma 1 Leo)
Zosma (Delta Leo)
Ras Elased Australis (Epsilon Leo)
Adhafera (Zeta Leo)
Chort (Theta Leo)
Al Minliar al Asad (Kappa Leo)
Alterf (Lambda Leo)
Ras Elased Borealis (Mu Leo) ...
Regulus (Alpha Leonis)
Alpha Leonis system and Regulan system
Wolf 359 (CN Leonis)
Leo Minor (Leonis Minoris) Lepus (Leporis) ...
TOE LV250 Regulus(Nereid) Battle Part2
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The + near Regulus marks a point to the north east with an altitude of about 20° from mid South Island and about 4° higher from the central North Island. Stars to magnitude 5.5 are shown Those 3.
The brightest star of this constellation, alpha Leo, called Regulus (meaning: the little king), is a blue-white star (spectral type B7 V) of 1.35 mag. When viewed with binoculars or small telescopes a wide companion of 8th mag is revealed.
Ptolemy measured the longitudes of Regulus, Spica, and other bright stars with a variation of Hipparchus' lunar method that did not require eclipses. Before sunset, he measured the longitudinal arc separating the Moon from the Sun.
The brightest star in Leo is [4806] alpha Leonis, also known as Regulus ("prince" or "little king"), Basiliscus ("little king"), Cor Leonis ("the heart of the lion"), Qalb, Kabelaced, Qalb al-Asad ("the heart of the lion"), and Rex ("king").
Alpha Leonis is named "Regulus" because it was seen as the Heaven's Guardian, one who regulated all things in the heavens. While the name Regulus was given us by Copernicus, the star was better known in antiquity as Cor Leonis, the Lion's Heart.
Marking the lion's heart (where Ptolemy located it) is the constellation's brightest star, Alpha Leonis, called Regulus, Latin for ‘little king'; its Greek name, Basiliscos, had the same meaning.
An ecliptical star, such as Regulus, has a much shorter occultation series than a star hovering near the northern or southern regions of the Moon's orbit, yet an occultation series for an ecliptical star happens twice as often.
a Leonis was given its modern name, Regulus , by Copernicus. The most striking telescopic view in Leo consists of the trio of galaxies M65, M66 and NGC3628.
List of Constellations
Winter Sky ...
A little farther to the right, at top center, is Mars, with the star Regulus just below and to its left. At the lower right, at the edge of the Sun's glare, is Jupiter, with Mercury just below it.
Thus, it precisely marked the spring equinox when Antares marked the autumn. Finally, the bright star Regulus (RA 10h 08m), located almost exactly on the ecliptic, marked summer.
b. Example: Suppose an astronomer wants to observe the bright star Regulus in the constellation Leo. From a reference book such as the Astronomical Almanac, they would find the coordinates of Regulus.
The coordinates are: ...
Named stars: Alpha Leo (Regulus), Beta Leo (Denebola), Gamma Leo (Algieba), Delta Leo (Duhr), Epsilon Leo (Ras Elased Australis), Zeta Leo (Aldhafera), Mu Leo (Ras Elased Borealis), Omicron Leo (Subra) ...
To find it, look north-east in the late evening sky, and find bright Regulus with the upside-down sickle below it, marking Leo the "Lion". To the left are bright Pollux and Castor and above them Procyon in Canis Minor.
Spectral type for blue stars, such as Rigel, Spica, and Regulus. B-type stars are hot, but even hotter blue stars are designated spectral type O. [C95]
B Band
See Fraunhofer lines. [H76] ...
The brightest star (Alpha Leo) in Leo is Regulus (meaning "little king"). The second-brightest star (Beta Leo) is Denebola (meaning "tail of the lion"), and the third-brightest star (Gamma 1 Leo) is Algieba (meaning "forehead").
Named stars in this field: (Greek alphabet)
Alfard (α Hya), Regulus (α Leo).
Constellations adjoining Sextans: Crater, Hydra, Leo.
Regulus Alpha Leonis
Rigel Beta Orionis
Rigil Kentaurus Alpha Centauri
Rijl al Awwa Mu Virginis
Rotanev Beta Delphini
Ruchba Omega-2 Cygni
Ruchbah Delta Cassiopeiae
Rukbat Alpha Sagittarii
Rukh Delta Cygni ...
In the other direction heading down from the dipper's bowl will bring you to Regulus, the brighest star in Leo the constellation of the lion
SBI! ...
The comet passes the golden planet Saturn on February 24, and Regulus, the brightest star of Leo, on February 28. After that, it should fade rapidly; by mid-March you probably will need a small telescope to see it.
Map © 2003 Torsten Bronger
The brightest star in the constellation Hydra, made more noticeable by being in a fairly barren region of sky to the southwest of Regulus. Its Arabic name means "the solitary one." ...
As a rule contrasted colours are shown by pairs having a bright and a faint component which are relatively wide apart; brilliant white stars frequently have a blue attendant - this is instanced in the case of Regulus and Rigel.
Milky Way galaxy and the sixteenth brightest star in the nighttime sky (sometimes listed as fifteenth brightest, if the two brighter components of the Capella quadruple star system are counted as one star). Along with Aldebaran, Spica, and Regulus it ...
Temperatures of B-type stars range from 11,000 - 25,000 K. Their mass averages 18 times the mass of the Sun and the average luminosity is 20,000 times that of the Sun. Examples include Rigel, Spica, and Regulus.
 See also: Star, Sky, Constellation, Earth, Sun
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