Constellation Archer (Sagittarius)
Constellation Archer (Sagittarius) is one of the 88 official IAU constellations, with 3 catalogued bright stars. Sky centre at RA 285°, Dec -28°. Genitive form: Sagittarii.
Bright stars in Archer
| Name | Bayer | Magnitude | Type | Distance (ly) |
|---|---|---|---|---|
| Kaus Australis | epsilon Sgr | 1.79 | B9.5III | 145.0 |
| Nunki | sigma Sgr | 2.05 | B2.5V | 224.0 |
| Kaus Media | delta Sgr | 2.72 | K3III | 305.0 |
About the constellation
Sagittarius is one of the 88 official constellations of the International Astronomical Union, defined by the IAU in 1922 with precise boundaries established by Eugene Delporte in 1930. The genitive form Sagittarii is used to name stars via Bayer designation (e.g., alpha Sagittarii = the brightest star).
Other constellations
And Ant Aps Aql Aqr Ara Ari Aur Boo Cae Cam Cnc CVn CMa CMi Cap Car Cas Cen Cep Cet Cha Cir Col Com CrA CrB Crv Crt Cru Cyg Del Dor Dra Equ Eri For Gem Gru Her Hor Hya Hyi Ind Lac Leo LMi Lep Lib Lup Lyn Lyr Men Mic Mon Mus Nor Oct Oph Ori Pav Peg Per Phe Pic Psc PsA Pup Pyx Ret Sge Sco Scl Sct Ser Sex Tau Tel Tri TrA Tuc UMa UMi Vel Vir Vol Vul