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Topic: Mirfak


In the News (Sat 22 Nov 08)

  
  Mirfak - MSN Encarta
Mirfak is a very bright star with an intrinsic luminosity, or total light output, that rates an absolute magnitude of -5.1 (bright stars have low or even negative magnitude values).
Mirfak’s surface temperature is 6200° C (11,000°F), which is about 10 percent greater than the surface temperature of the sun and gives the star a yellow-white color.
From its composition, temperature, and size, astronomers classify Mirfak as a supergiant star—an older star that has used up the hydrogen fuel in its core and is now burning hydrogen in its outer shell and helium in its core.
encarta.msn.com /encyclopedia_761587748/Mirfak.html   (481 words)

  
 Mirfak   (Site not responding. Last check: 2007-10-24)
Mirfak's rather healthy measured distance of 590 light years implies great brilliance, the star a mid-temperature (6180 Kelvin) class F (F5) supergiant with a luminosity 5000 times that of the Sun and a radius 62 times solar.
Mirfak is thus instrumental in defining the natures of such stars, and may be a very modest pulsator itself.
Mirfak is the brightest member of the young "Alpha Persei Cluster," which contains many of the fainter surrounding stars (most likely including Delta Persei), the "elbow of the Pleiades" having something of a "Pleiades" of its own.
www.astro.uiuc.edu /~kaler/sow/mirfak.html   (398 words)

  
  Alpha Persei - Wikipedia, the free encyclopedia
It is a yellow supergiant star (spectral classification F5), about 5,000 times as luminous as the Sun with an apparent magnitude of +1.84, at a distance of about 590 light years from the Earth.
Mirfak is a member of a cluster of stars known as the Alpha Persei Cluster, which is easily visible in binoculars and includes many of the fainter stars of Perseus.
In the Hertzsprung-Russell Diagram, Mirfak lies very close to the region in which Cepheid variables are found.
en.wikipedia.org /wiki/Mirfak   (157 words)

  
 Mirfak
The star Mirfak (Scientific Name Alpha Persei) is located at right ascension 3h 24.323m and declination 49° 51.667'.
Mirfak is a relatively bright star with a magnitude of 1.79.
It has an Hd number of 20902, an FK5 number of 120, and a SAO number of 38787.
www.absoluteastronomy.com /stars/mirfak.htm   (55 words)

  
 What's Up - Featured Deep Sky Objects
Alpha Persei (Mirfak) is both the brightest star in the constellation and the centerpiece of a rich gathering of stars referred to as the "Perseus I Association".
The name Mirfak, while exotic sounding to English speaking ears, means "the elbow", a simple description of its place in the constellation pattern.
Mirfak is a giant star, putting out 4000 times as much light as our sun.
www.sciencecenter.net /whatsup/12/a-per.htm   (157 words)

  
 MIRFAK by Emanuel Dimas De Melo Pimenta   (Site not responding. Last check: 2007-10-24)
The spirit of MIRFAK is to be relaxed.
MIRFAK is divided into 20 channels, to be used independently.
In this case, you must to pay a very attention to play as slow as possible, in way to do not be traped by your own mind and to control the maximum information.
homestudio.thing.net /habitation/EDMP/english.htm   (331 words)

  
 Mirfak   (Site not responding. Last check: 2007-10-24)
Mirfak (AK‑271) was laid down 5 July 1956 under a Maritime Administration contract by Avondale Marine Ways, Inc., Avondale, La.; launched 5 August 1957; sponsored by Mrs.
She was retransferred the same date to MSTS and placed in service as USNS Mirfak (T‑AK‑271).
From 1957 into 1969, Mirfak has carried supplies to our allies in South America and provides logistical support for American and Canadian bases in the North Atlantic and the Arctic.
www.history.navy.mil /danfs/m11/mirfak.htm   (128 words)

  
 Mirfak Seed and Grain Merchants   (Site not responding. Last check: 2007-10-24)
Mirfak Pty Ltd is owned and operated by the Murphy family - Mel, Gerard & Mark.
Together they have been seed & grain merchants in the N.E. of Victoria for 40 years.
Mirfak Pty Ltd are seed cleaners & millers.
www.mirfak.com.au   (75 words)

  
 Mirfak
Mirfak is a yellowish F5Ib supergiant star having about 5000 times the luminosity of the sun.
The spectral type implies a diameter about 80 times that of the sun, and a mass about 11 times that of the sun.
Mirfak is a member of a cluster of at least 124 according to Burnham.
domeofthesky.com /clicks/mirfak.html   (92 words)

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