Sagitta
constellation in the northern celestial hemisphere
Sagitta is a small constellation in the northern sky. Its name is Latin for 'arrow'. It is one of the 48 constellations listed by Ptolemy and one of the 88 modern constellations defined by the International Astronomical Union (IAU).
Constellation | |
Abbreviation | Sge |
---|---|
Genitive | Sagittae |
Pronunciation | /səˈdʒɪtə/ Sagítta, genitive /səˈdʒɪtiː/ |
Symbolism | the Arrow |
Right ascension | 19.8333 |
Declination | +18.66 |
Quadrant | NQ4 |
Area | 80 sq. deg. (86th) |
Main stars | 4 |
Bayer/Flamsteed stars | 19 |
Stars with planets | 2 |
Stars brighter than 3.00m | 0 |
Stars within 10.00 pc (32.62 ly) | 1 |
Brightest star | γ Sge (3.51m) |
Messier objects | 1 |
Bordering constellations | Vulpecula Hercules Aquila Delphinus |
Visible at latitudes between +90° and −70°. Best visible at 21:00 (9 p.m.) during the month of August. |
History
changeSagitta was called Oistos 'the arrow' by the ancient Greeks,[1] and it was one of the 48 constellations listed by Ptolemy.[2] Richard Hinckley Allen proposed that Sagitta could represent the arrow shot by Hercules towards the Stymphalian birds.[3]
References
change- ↑ Kunitzsch, Paul (2002). "Albumasariana" (PDF). Annali dell'Università degli studi di Napoli "L'Orientale". 62. Rivista del Dipartimento di Studi Asiatici e del Dipartimento di Studi e Ricerche su Africa e Paesi Arabi: 4. ISSN 0393-3180.
- ↑ Ridpath, Ian. "Sagitta". Star Tales. Retrieved 22 May 2015.
- ↑ Allen, Richard Hinckley (1963) [1899]. Star-Names and Their Meanings. New York: Dover Publications. pp. 349–351. ISBN 978-0-486-21079-7.
Other websites
changeMedia related to Sagitta at Wikimedia Commons