Cepheid   (translated from Russian)
Cepheid Fig. 1. Pulsation of the cepheid Fig. 2. Region of the pulsatory stars ... the honor of star? Tsefeya , another known cepheid is Polyarnaya star . Nature of the changeability ... component the starry population I Galaxies and cepheid of the type W Devy , relating to ... rule, in the scattered star clusters - and cepheid of the type W Devy - in ...
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Cepheid variable
Cepheid variable Cepheid in the Spiral Galaxy M100 A Cepheid variable or Cepheid is a member of a particular class ... by Henrietta Swan Leavitt in 1912), a Cepheid variable can be used as a ...
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Category:Cepheid variables
Category:Cepheid variables The main article for this category is Cepheid variables. Pages in category "Cepheid variables" There are 7 pages in this section of this category. Cepheid variable D Delta Cephei E Eta Aquilae ...
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List of known variable stars
... 48 4 m .39 7.17664 d Cepheid (DCEP) R Aql Aquila 5 m .5 ... 28 4 m .18 35.53584 d Cepheid (DCEP) R Car Carina 3 m .9 ... 4 m .37 5.36634 d prototype Cepheid (DCEP) double star, visible in binoculars μ ... 40 7 m .23 5.82575 d Cepheid (DCEP) R Crv Corvus 6 m .7 ... 85 6 m .91 16.38633 d Cepheid (DCEP) RT Cyg Cygnus 6 m . ...
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Variable star
... at their brightest during minimum contraction. δ Cepheid variables Main article: Cepheid variable One of the most important types ... regular periods. Usually referred to simply as Cepheid variables, they are named after δ Cephei ... is calibrated, the luminosity of a given Cepheid whose period is known can be established ... found from their apparent brightness. Observations of Cepheid variables are very important for determining ...
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Standard candle
... the galaxy and in nearby globular clusters. Cepheid variables - the preferred choice in extragalactic astronomy ... from the history of distance measurements using cepheid variables. In the 1950's, Baade discovered that the nearby cepheid variables used to calibrate the standard candle ... measure distances to nearby galaxies. The nearby cepheid variables were population I stars with much ...
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Andromeda Galaxy
... the Andromeda Galaxy. Edwin Hubble identified extragalactic Cepheid variable stars for the first time on ... is in fact another, dimmer type of Cepheid. In 1990s, Hipparcos satellite measurements were used to calibrate the Cepheid distances. The corrected value give the Andromeda ... in excellent agreement with the previous, independent Cepheid-based distance value. Observation The Andromeda Galaxy ...
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Timeline of stellar astronomy
... it 1784 - Edward Piggot discovers the first Cepheid variable star 1838 - Thomas Henderson, Friedrich Struve ... stellar motions 1908 - Henrietta Leavitt discovers the Cepheid period-luminosity relation 1910 - Ejnar Hertzsprung and ... stellar opacity 1952 - Walter Baade distinguishes between Cepheid I and Cepheid II variable stars 1953 - Fred Hoyle predicts ...
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Astronomical distance
... period of the variable stars known as Cepheid variables. She discovered that the period of ... determined. By calibrating this by using some Cepheid variable to which the distance is known ... can be extended another step. If a cepheid is discovered in another galaxy, then that ... This can now be found from the cepheid method and thus distances to the most ...
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Henrietta Swan Leavitt
... in 1912 that the variable stars, actually Cepheid variables, of greater intrinsic luminosity indeed had ... with this calibration the distance to any Cepheid could be determined. When Cepheids were detected ... the relationship between periodicity and luminosity of Cepheid variables. However, as she was already dead ...
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