Vulpecula

Vulpecula
Name	Vulpecula
Abbreviation	Vul
Genitive	Vulpeculae
Symbolism	the Fox
Right ascension	20h
Declination	+25°
Family	Perseus
Area rank	55th
Brightest star	Anser (Alpha Vulpeculae)
Lat max	90°
Lat min	-55°
Month	September

Vulpecula Vulpecula is a faint northern sky constellation associated with a fox and containing several notable astronomical objects, discovered in star atlases of the early modern period and catalogued in modern surveys like those conducted by the Royal Astronomical Society, Harvard College Observatory, and European Southern Observatory. The area includes objects catalogued by Charles Messier, William Herschel, and later by the New General Catalogue, and it lies among constellations mapped by figures such as Johann Elert Bode and John Flamsteed.

History and Nomenclature

Originally introduced as part of 17th‑ and 18th‑century celestial cartography, Vulpecula's depiction evolved through works by Hevelius, Johannes Hevelius, Pierre Charles Le Monnier, and later atlases by Johann Bode and Urania's Mirror; its modern Latin name derives from early modern Latin usages catalogued by Ludolf von Ceulen and preserved in catalogs by Francis Baily and Benjamin Gould. The constellation was historically paired with an object often named "the Fox and the Goose", referenced in plates by John Flamsteed and entries in the star catalogs of John Dreyer and the Royal Astronomical Society. Nomenclature for individual stars and deep‑sky objects has been standardized through bodies like the International Astronomical Union and catalogued in compilations by Henry Draper and the Bright Star Catalogue.

Characteristics and Location

Vulpecula lies in the northern celestial hemisphere near constellations such as Cygnus, Pegasus, Hercules, and Sagitta, positioned roughly between the right ascension of Vega/Lyra and the summer Milky Way fields mapped by William Herschel and later surveyed by Edwin Hubble and the Palomar Observatory. Its coordinates place it within star‑field surveys by the Two Micron All Sky Survey and the Gaia mission, making it accessible from observatories like Kitt Peak National Observatory and Mauna Kea Observatories during late summer and early autumn months defined by the Astronomical Almanac. The constellation's faintness yields low surface brightness regions used in deep imaging by the Hubble Space Telescope and the Sloan Digital Sky Survey.

Notable Stars

The brightest star, commonly labelled Alpha within classical catalogs compiled by John Flamsteed and modern lists by the Hipparcos team, is a binary system observed in spectroscopic campaigns at Mount Wilson Observatory and Lick Observatory and included in the Henry Draper Catalogue. Other stars of interest include objects listed in the Bright Star Catalogue, variable stars monitored by the American Association of Variable Star Observers and the Variable Star Section of the Royal Astronomical Society, and nearby red dwarfs studied in exoplanet searches by the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite. Several stellar sources in the field are catalogued in the Washington Double Star Catalog and have proper motions measured by Hipparcos and Gaia.

Deep-Sky Objects

Vulpecula hosts the notable open cluster Messier 27 (the Dumbbell Nebula), originally catalogued by Charles Messier and explored spectroscopically by teams at Palomar Observatory and Kitt Peak National Observatory, and the Bok globules and emission regions surveyed by the Infrared Astronomical Satellite and the Spitzer Space Telescope. The constellation contains objects recorded in the New General Catalogue and the Index Catalogue, as well as planetary nebulae and star clusters imaged by the Hubble Space Telescope and mapped in radio by the Very Large Array. Deep optical and infrared surveys like the Two Micron All Sky Survey and the Sloan Digital Sky Survey have catalogued numerous faint galaxies and nebulae within the borders delineated by the International Astronomical Union.

Observational Information

Vulpecula is best observed during northern hemisphere autumn evenings with viewing advice provided by institutions such as the Royal Astronomical Society, Astronomical Society of the Pacific, and major planetariums like the Griffith Observatory; charts appear in atlases by Sky & Telescope and guides by Patrick Moore. Visual observers use instruments from amateur scopes sold by manufacturers like Celestron and Meade Instruments, while professional observations derive from facilities such as Mount Wilson Observatory, Palomar Observatory, and survey telescopes like those of the Cerro Tololo Inter‑American Observatory. Photometric and astrometric data are available through archives maintained by NASA, the European Space Agency, and the Centre de Données astronomiques de Strasbourg.

Cultural References and Mythology

While not tied to classical Greco‑Roman myths, the fox motif appears in folklore collections compiled by Jacob Grimm and Giambattista Vico and features in modern cultural treatments in works by authors associated with Oxford University Press, Penguin Books, and media outlets such as the BBC. The constellation has been referenced in contemporary literature and media associated with institutions like Smithsonian Institution and in planetarium programs produced by the American Museum of Natural History and the Royal Observatory Greenwich.

Category:Constellations