Arrow ( Latin Sagitta , Sge ) - a constellation of the northern hemisphere of the sky. It occupies an area of 79.9 square degrees in the sky, contains 28 stars visible to the naked eye. Alpha Arrows (α Sge) is a double star.
| Arrow | |
|---|---|
 | |
| Lat. title | Sagitta (to the genus. n .: Sagittae ) |
| Abbreviation | Sge |
| Symbol | Arrow |
| Right ascension | 18 h 52 m to 20 h 15 m |
| Declination | from + 15 ° 45 ′ to + 21 ° 15 ′ |
| Square | 80 sqm degrees ( 86 place ) |
| The brightest stars ( value <3 m ) | not; the brightest |
| Meteor showers | not |
| Nearby constellations |
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| The constellation is visible in latitudes from + 90 ° to −68 °. | |
Content
Observation conditions
It is observed throughout Russia . The best conditions for observation in July .
Other interesting stars of the constellation
- 15 Arrows - a star similar to the Sun, to which in 1999 a radio message was sent to the inhabitants of the Earth to extraterrestrial civilizations.
- WZ Arrows - a dwarf new SU-type of Ursa Major , changing luster from the usual 15 m to 7 m during outbreaks, the last of which were in 1913, 1946, 1978 and 2001.
History
The ancient constellation. Under the same name was known to the Greeks, Romans, the Middle East since ancient times. Included in the catalog of the starry sky Claudius Ptolemy " Almagest ".
There are many myths explaining the appearance of the constellation in the vault of heaven and connecting it with neighboring constellations, but they are all secondary in nature.
See also
- Arrows constellation star list