Musca
From Wikipedia, the free encyclopedia
- For the biological Musca genus, see Housefly.
| Musca | |
|---|---|
 click for larger image | |
| Abbreviation | Mus |
| Genitive | Muscae |
| Symbology | the Fly |
| Right ascension | 12h 27m 36s h |
| Declination | −70° 20' 24° |
| Area | 138 sq. deg. Ranked 77th |
| Number of stars | 1 |
| Number of bright stars
(magnitude < 3) | {{{numberbrightstars}}} |
| Number of nearby stars
(Distance < 100 ly) | {{{numbernearbystars}}} |
| Brightest star | {{{brighteststarname}}} (App. magnitude 2.69) |
| Nearest Star | {{{neareststarname}}} (Distance: {{{stardistance}}}) |
| Meteor showers |
|
| Bordering constellations | |
| Visible at latitudes between +10° and −90° Best visible at 21:00 (9 p.m.) during the month of May | |
Musca (IPA: /ˈmʊskə/, Latin: fly) is one of the minor southern constellations. The constellation was one of twelve constellations created by Pieter Dirkszoon Keyser and Frederick de Houtman between 1595 and 1597, and it first appeared in Johann Bayer's Uranometria of 1603.
Contents |
[edit] Notable objects
The soft X-ray transient Nova Muscae 1991 is a binary object consisting of a star and a black hole. During the 1991 outburst which led to its discovery, radiation was produced through a process of positron annihilation. Musca also contains the unusual planetary nebula NGC 5189, located about 3,000 light years from earth. Its uniquely complex structure resembles a miniature crab nebula. Also within the constellation is the Hourglass Nebula (MyCn 18) at a distance of 8,000 light years. The comparatively old globular cluster NGC 4833 near Delta Muscae is 21,200 light years distant and somewhat obscured by dust clouds near the galactic plane. The globular cluster NGC 4372 near Gamma Muscae is fainter and likewise partially obscured by dust, but spans more arc minutes.
[edit] History
Musca was introduced in the 17th century by Johann Bayer and lies near the southern pole. It was consequently unknown to classical and early cultures, and they produced no mythology concerning it.
[edit] Notable and named stars
- Stars with proper names:
- (α Mus) 2.69 Myia
- < μυια muia fly
- (α Mus) 2.69 Myia
[edit] Stars
- Stars with Bayer designations:
|
The 12 Constellations created by Pieter Dirkszoon Keyser and Frederick de Houtman between 1595 and 1597 and introduced by Johann Bayer in the 1603 text Uranometria |
| Apus | Chamaeleon | Dorado | Grus | Hydrus | Indus | Musca | Pavo | Phoenix | Triangulum Australe | Tucana | Volans |
| The 88 modern Constellations |
|---|
| Andromeda • Antlia • Apus • Aquarius • Aquila • Ara • Aries • Auriga • Boötes • Caelum • Camelopardalis • Cancer • Canes Venatici • Canis Major • Canis Minor • Capricornus • Carina • Cassiopeia • Centaurus • Cepheus • Cetus • Chamaeleon • Circinus • Columba • Coma Berenices • Corona Australis • Corona Borealis • Corvus • Crater • Crux • Cygnus • Delphinus • Dorado • Draco • Equuleus • Eridanus • Fornax • Gemini • Grus • Hercules • Horologium • Hydra • Hydrus • Indus • Lacerta • Leo • Leo Minor • Lepus • Libra • Lupus • Lynx • Lyra • Mensa • Microscopium • Monoceros • Musca • Norma • Octans • Ophiuchus • Orion • Pavo • Pegasus • Perseus • Phoenix • Pictor • Pisces • Piscis Austrinus • Puppis • Pyxis • Reticulum • Sagitta • Sagittarius • Scorpius • Sculptor • Scutum • Serpens • Sextans • Taurus • Telescopium • Triangulum • Triangulum Australe • Tucana • Ursa Major • Ursa Minor • Vela • Virgo • Volans • Vulpecula |
[edit] External links
- The Deep Photographic Guide to the Constellations: Musca
- Starry Night Photography: Muscaca:Mosca (constel·lació)
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