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| Scutum | |
| Abbreviation | Sct |
| Genitive | Scuti |
| Meaning in English | The Shield |
| Right ascension | 19 h |
| Declination | -10° |
| Visible to latitude | Between +80° and −90° |
| Best visible | August |
| Area - Total | Ranked 84th 109 sq.deg. |
| Number of stars with apparent magnitude < 3 | 0 |
| Brightest star - Apparent magnitude | α Sct 3.85m |
| Meteor showers | June Scutids |
| Bordering constellations | |
Scutum (the shield) is a small constellation. It is
one of the 88 modern constellations. It was introduced in 1690 by
Shield) after the Polish king and hero Jan III Sobieski. It is the only constellation that is associated with a modern historical figure.
Scutum is the fifth smallest of the 88 modern constellations. It has few bright stars (the brightest star, α, is magnitude 3.85), but the summer Milky WayThis article is about the galaxy called the Milky Way. For the candy bar of the same name, see Milky Way candy bar. The Milky Way (a translation of the Latin Via Lactea in turn derived from the Greek Galaxia gala, galactos means "milk")) is a hazy band of runs through it. The
Scutum star cloud can be found in the northeastern corner of theconstellation.
Scutum contains several open clustersAn open cluster is a group of stars that were born at the same time from a molecular cloud, and are still near to each other. They are also called galactic clusters since they exist within the galaxy's disk. NGC 3603 is home to an open cluster (centre of, as well as a
globular clusterA globular cluster is a spherical bundle of stars that orbits a galaxy as a satellite. Globular clusters are very tightly gravitationally bound, which gives them their spherical shape, and extremely dense (in relative terms) towards their core. Globular C and a planetary nebulaA planetary nebula is an astronomical object consisting of a roughly spherical glowing shell of gas formed by certain types of stars at the end of their lives. Characteristics Physical characteristics A typical planetary nebula is roughly one light year a.The two best known deep sky objectsDeep sky object (DSO is a term used often in amateur astronomy to denote objects in the night sky other than solar system objects (such as planets, comets and asteroids), single stars and multiple star systems. Generally these objects are not visible with in Scutum are
M11 (NGC 6705), the Wild Duck Cluster, a dense open cluster, and M26, another open cluster also known as NGC 6694.The globular cluster NGC 6712 and the planetary nebula IC 1295 can be found in the eastern part of the constellation, only 24 arcminutes apart.
Being a modern constellation, Scutum has no mythology associated with it. It represents the shield of Jan III Sobieski.
| Bayer designationMany of the brighter stars are given names which are known as Bayer designations . These designations, which were introduced by Johann Bayer in his star atlas Uranometria (named after Urania) in 1603, consist of a Greek letter followed by the genitive of | Other designation | Right Ascension | Declination | Magnitude |
|---|---|---|---|---|
| ζ | 18h 23' 39.5" | -08° 56' 03" | 4.68 | |
| γ | 18h 29' 11.9" | -14° 33' 57" | 4.70 | |
| α | 18h 35' 12.4" | -08° 14' 39" | 3.85 | |
| δ | ADS 11581 | 18h 42' 16.4" | -09° 03' 09" | 4.72v |
| ε | ADS 11601 | 18h 43' 31.3" | -08° 16' 31" | 4.90 |
| β | 18h 47' 10.5" | -04° 44' 52" | 4.22 | |
| η | 18h 57' 03.7" | -05° 50' 46" | 4.83 |
Source: The Bright Star Catalogue, 5th Revised Ed.
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