Mira
dec =
appmag_v = 2.0 to 10.1
Mira (ο Cet / ο Ceti / Omicron Ceti) is a red giant star approximately 418 light-years away in the constellation Cetus.
Mira
Related Category: Astronomy: Stars
(m´r), [Lat.,=marvelous], variable star in the constellation Cetus; Bayer designation Omicron Ceti; 1992 position R.A. 2h19.0m, Dec. −3°05&minut;.
Mira's Companion Star
The long period variable is actually Mira A. There is a companion, Mira B, that is much smaller in size than A.
Mira
The nearest (between 100 and 600 ly away) and brightest long-period variable star. Its common name is omicron Ceti. Its discovery is credited to in 1596. Mira typically ranges from 9.3 to 3.
Mira Sorvino
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Mira - Flickering Red Giant
Hubble Space Telescope image of the cool red giant star Mira in the ultraviolet.
Click on image for star map
M. Karovska (Center for Astrophysics) and NASA ...
Mira -Type
Mira or ο Ceti, established as a variable in 1638 gives its name to stars of this type. Mira itself has a period of 331 days and varies its brightness by almost 6 magnitudes in the visible waveband during a cycle.
Mira A variable star in the constellation of Cetus, with a range in brightness from 2nd to 10th magnitude, and a mean period of 331 days. Known as Mira the Wonderful, it is the brightest and most famous of the long period pulsating variables.
Mira
(a) A red giant in the constellation Cetus that varies in brightness as it pulsates. When brightest, Mira is visible to the naked eye; when dimmest, Mira can be viewed only with optical aid.
MIRA VARIABLE STAR
A Mira variable star is a variable star whose brightness and size cycle over a very long time period, in the order of many months.
Antonio Mira de Amescua , Spain dramatist, was born at Guadix about 1578. He is said, but doubtfully, to have been the illegitimate son of one Juana Perez....
, Luís Vélez de Guevara
Luís Vélez de Guevara ...
MIRA
Mira (Omicron Ceti) is a well-known variable in the called . It was discovered in 1596 by David Fabricus, an amateur Dutch . Mira (meaning "wonderful") was named by Johannes Hevelius in 1662.
Mira y descarga vodcasts en español, posters y otros productos relacionados con la exploración.
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Base Lunar Alpha ...
MIRA
Mira (Omicron Ceti) is a well-known variable red giant star in the constellation called Cetus. It was discovered in 1596 by David Fabricus, an amateur Dutch astronomer. Mira (meaning "wonderful") was named by Johannes Hevelius in 1662.
Mira Antliae (there is no "Mira" star in the modern Antlia constellations)
Apus (Apodis) Aquarius (Aquarii)
Luyten 789-6
Aquila (Aquilae) ...
Mira Variables
Variables are named after the most famous Mira variable, Mira, in the constellation the Cetus, the Whale. They are old, red giant stars. At this late stage in their evolution, they have grown unstable and pulsate.
Mira variable. Mag. range 5.8 to 14.9; mean period 409 days; R.A. 02h 24.0m, Dec. +38° 35'
S And
star ...
Mira variables are very cool red supergiants, which are undergoing very large pulsations. Over periods of usually many months, they may brighten by between 2.5 and up to 11 magnitudes before fading again.
In Mira-type variables, Fe II emissions (for instance M.27 and 28) are present over a large part of the cycle, except for a few weeks after minimum (Joy 1954).
The star Mira leaves a trail of gas and dust as it races through the galaxy in this recent view from the Galaxy Explorer (Galex) spacecraft. Galex views the universe in ultraviolet light, which is not visible to the unaided eye.
R Cas is a Mira type variable with a period of 430.46 days, ranging from 4.7 to 13.5. A maximum should occur in the last week of August in the year 2000.
Deep Sky Objects: ...
Note: †Mira (ο Cet) is magnitude 2.0 at its brightest.
Cetus (pronounced /ˈsiËtÉ™s/, genitive Ceti /ˈsiËtaɪ/) is a constellation in the northern sky.
Mira variables (NASA Thesaurus) Long-period (80 to over 600 days) variable stars of red giant or red supergiant type, exemplified by the star Mira Ceti. Used for long period variables. mirage (NASA SP-7, 1965) 1.
kinds stars: those that have dead helium cores and are brightening, those that are more or less stable helium burners (like Arcturus and Aldebaran), and those brightening with dead carbon cores (the carbon the result of helium fusion) like Mira.
1596 - David Fabricius notices that Mira's brightness varies
1672 - Geminiano Montanari notices that Algol's brightness varies
1686 - Gottfried Kirch notices that Chi Cygni's brightness varies ...
Why do variable stars like Cepheids, RR-Lyrae stars, and Mira variables vary in brightness?
Where are we in the galaxy and how do you know? How can the distribution of globular clusters tell you about our place in the Galaxy?
The best known and typical star of this class is Mira or o Ceti. This was the first variable star to be discovered, having been noticed in 1596 by David Fabricius, who thought it was a new star (a Nova).
Along the way I'll introduce you to Mira - a variable star that is a real treat for amateur astronomers.
The Extreme Southern Celestial Hemisphere (Check the study guide for this lesson) ...
Pulsations, however, explain only part of Mira-type variability. Astronomers recently verified that titanium oxide in the outer atmosphere of a Mira-type giant star's absorbs its light, causing it to swell up and dim.
[2480] omicron Ceti or Mira was the first variable star to be found in the night sky. It is a red giant approximately 420 light-years distant from Earth. Its maximum magnitude can reach 2.
13 is Mira (Omicron Ceti), whose surface temperature (3000 K), is about half that of the Sun and whose luminosity is some 400 times greater than the Sun's.
The most celebrated star in the constellation is Mira, a Latin name meaning ‘the amazing one', given on account of its variability in brightness.
Mira Omicron Ceti
Mirach Beta Andromedae
Miram Eta Persei
Mirfak Alpha Persei
Mirzam Beta Canis Majoris
Misam Kappa Persei
Mizar Zeta Ursae Majoris
Mothallah Alpha Trianguli
Muliphein Gamma Centauri, Gamma Canis Majoris
Muphrid (or Mufrid) Eta Bootis ...
Mira una fotografía de los cráteres de la Luna. ¿Tienen todos los cráteres la misma apariencia nueva, fresca y aguda? Describe los diferentes aspectos.
5 degrees below the ringed planet lies the star Mira. At magnitude 2, mira is one of the brightest stars in the night sky. Eight degrees above Saturn and about 11 degrees to the west lies Sheratan, at magnitude 2.
Stars at this life stage are known as Mira variables after the first such example, Mira "the Wonderful," discovered by David Fabricius in 1596.
We call these stars Mira-type variables, after their prototype star Mira in the constellation Cetus. Imaging chi Cygni was no simple task - infrared light, which can pass through the clouds of dust that surround the star, was the only way to do it.
The appearance of the well-known Red Giant star Mira, or Omicron Ceti, at various wavelengths. As well as being a Red Giant, Mira is part of a binary system.
Credit: Margarita Karovska (Harvard-Smithsonian Center for Astrophysics) and NASA ...
Perhaps the most interesting thing to see here in Caelum is the variable star R Caeli, a Mira-type long period variable, from 6.7 to 13.7 magnitude every 391 days. It's located one degree south of beta Caeli, and several arc minutes west.
The constellation embraces many objects of telescopic interest, including the Helix nebula and the Mira-like variable star R Aquarii (see below). Also notable are the globular clusters M2 (NGC 7089) and the Saturn planetary nebula NGC 7009.
This barred spiral galaxy is located 3°15' SW of d Ceti (almost halfway toward Mira - see finder chart below).
Named stars: Alpha Cet (Menkar/Menkab), Beta Cet (Deneb Kaitos/Diphda), Zeta Cet (Baten Kaitos), Omicron Cet (Mira)
Info:
Chamaeleon ...
MENKAR (Alpha Cet)
DIPHDA (Beta Cet)
Kaffaljidhma (Gamma Cet)
Baten Kaitos (Zeta Cet)
Dheneb (Eta Cet)
Deneb Kaitos Shemali (Iota Cet)
Menkar (Lambda Cet)
MIRA (Omicron Cet) ...
 See also: Star, Magnitude, Constellation, Period, Light
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