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The Hyades (; Greek Ὑάδες, also known as Melotte 25 or Collinder 50 or Caldwell 41, is the nearest open cluster to the Solar System and one of the best-studied of all star clusters.
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Hyades and (;
In Greek mythology, the Hyades (; Ancient Greek: Ὑάδες " the rainy ones "), are a sisterhood of nymphs that bring rain.
Hyades and Greek
In Greek mythology, the Hyades were the five daughters of Atlas and half-sisters to the Pleiades.
* Eudora ( Εὐδώρα ), one of the Hyades in Greek mythology
In Greek mythology, the mountainous district of Nysa, variously associated with Ethiopia, Libya, Tribalia, India or Arabia by Greek mythographers, was the traditional place where the rain nymphs, the Hyades, raised the infant god Dionysus, the " Zeus of Nysa ".
* Ambrosia, one of the Hyades of Greek mythology
It was named for the Greek mythological figure Phaeo, one of the Hyades or nymphs.
A fundamental effort in this translation was the application of Greek mythic nomenclature to designate individual stars, both asterisms like the Pleiades and Hyades, and the constellations.
δ¹ Tauri is a triple star approximately 153 light years from Earth and has the traditional name Hyadum II, which is Latin for " Second Hyad ", and the name Eudora ( Greek Ευδωρη ), who was one of the Hyades sisters.
This star also has the traditional name Cleeia or Kleeia ( Greek Κλεεια ), who was one of the Hyades sisters.
Hyades and also
Another associate is the Hyades Stream, a large collection of scattered stars that also share a similar trajectory with the Hyades Cluster.
" Aldebaran " may refer to the star Aldebaran, likely as it is also associated with the mention of the Hyades star cluster, with which it shares space in the night sky.
The April rainers refer to the Hyades star cluster, called the ' rainy Hyades ' in classical times, and rising with the sun in April – the Greeks thought of them as inaugurating the April rains. The April Rains may also be an oblique reference to the rains of Noah's Flood.
The Hyades are also thought to have been the tutors of Dionysus, in some tellings of the latter's infancy, and as such are equated with the Nysiads, the nymphs who are also believed to have cared for Dionysus, as well as with other reputed nurses of the god-the Lamides, the Dodonides and the nymphs of Naxos.
Hyades and known
The Hyades are the best known application of this method, which reveals their distance to be 46. 3 parsecs.
As a naked-eye object, the Hyades Cluster has been known since prehistoric times.
In 1908, Lewis Boss reported almost 25 years of observations to support this premise, arguing for the existence of a co-moving group of stars that he called the Taurus Stream ( now generally known as the Hyades Stream or Hyades Supercluster ).
Hyades and 50
Hyades binaries tend to have small separations, with most binary pairs in shared orbits whose semimajor axes are smaller than 50 astronomical units.
By comparison, the age of the Hyades cluster is about 625 million years with an error margin of 50 million years.
Hyades and is
The nearest open cluster is the Hyades: the stellar association consisting of most of the Plough stars is at about half the distance of the Hyades, but is a stellar association rather than an open cluster as the stars are not gravitationally bound to each other.
The temple is archaeoastronomically aligned to the Hyades.
Yet some authors argue that the controversy over the distance to the Pleiades discussed below is a red herring, since the cosmic distance ladder can ( presently ) rely on a suite of other nearby clusters where consensus exists regarding the distances as established by Hipparcos and independent means ( e. g., the Hyades, Coma Berenices cluster, etc.
However, Aldebaran is completely unrelated to the Hyades, as it is located much closer to Earth ( hence its apparent brightness ) and merely happens to lie along the same line of sight.
The age of the Hyades is about 625 million years.
The Hyades Cluster is related to other stellar groups in the Sun's vicinity.
However, about 85 % of stars in the Hyades Stream have been shown to be completely unrelated to the original cluster on the grounds of dissimilar age and metallicity ; their common motion is attributed to tidal effects of the massive rotating bar at the center of the Milky Way Galaxy.
However, studies of the Hyades show that it is deficient in stars at both extremes of mass.
The tidal radius of 10 parsecs ( 32. 6 light years ) represents the Hyades ' average outer limit, beyond which a star is unlikely to remain gravitationally bound to the cluster core.
She is sometimes called the wife of Atlas and mother of the Pleiades and the Hyades ( more usually the offspring of Pleione ).
For example, Hastur is a god of shepherds in " Haïta the Shepherd ", but is implicitly a location in " The Repairer of Reputations ", listed alongside the Hyades and Aldebaran.
T Tauri appears from Earth amongst the Hyades cluster, not far from ε Tauri ; but it is actually 420 light years behind it and was not formed with the rest of them.
The most precise description of its location given is that it said to be located on the shores of Lake Hali in the Hyades.
The main myth concerning them is envisioned to account for their collective name and to provide an etiology for their weepy raininess: Hyas was killed in a hunting accident and the Hyades wept from their grief.
Hyades and nearest
It is probably the second best observed open cluster after the Hyades cluster, which is amongst the nearest open clusters and younger than M67.
It is located within about 2. 5 parsecs of the center of the Hyades cluster — the nearest open cluster to the Sun.
Hyades and open
A number of open clusters, such as the Pleiades, Hyades or the Alpha Persei Cluster are visible with the naked eye.
The prominent open cluster Pleiades has been recognized as a group of stars since antiquity, while the Hyades forms part of Taurus, one of the oldest constellations.
The first color-magnitude diagrams of open clusters were published by Ejnar Hertzsprung in 1911, giving the plot for the Pleiades and Hyades star clusters.
In the Large Magellanic Cloud, both Hodge 301 and R136 are forming from the gases of the Tarantula Nebula, while in our own galaxy, tracing back the motion through space of the Hyades and Praesepe, two prominent nearby open clusters, suggests that they formed in the same cloud about 600 million years ago.
The most prominent open clusters are the Pleiades and Hyades in Taurus.
* WEBDA open cluster database website for Hyades cluster – E. Paunzen ( Univ.
* Hyades ( star cluster ), an open star cluster in the constellation Taurus
The age of this cluster lies between the respective ages of the Pleiades open cluster at 100 million years and the Hyades open cluster at 800 million years.
The cluster's age and proper motion coincide with those of the Hyades open cluster, suggesting that both share a similar origin.
( It may be noted that, with the addition of Aldebaran, which is in the same line of sight, the Hyades open cluster forms a V-shaped sectional asterism in Taurus ).
It is a member of the Hyades open cluster.
The open cluster is roughly twice as distant as the Hyades and covers an area of more than 7. 5 degrees on the sky.
Theta Tauri ( θ Tau, θ Tauri ) is a double star in the constellation Taurus and a member of the Hyades open cluster.
Kappa Tauri ( κ Tau, κ Tauri ) is a star system in the constellation Taurus and a member of the Hyades open cluster.
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