Back الشولة Arabic Shaula AST Шаўла Byelorussian Shaula Catalan Shaula Czech Lambda Scorpii German Lambda Scorpii English Shaula Spanish لاندا کژدم Persian Lambda Scorpii Finnish
Shaula
| ||||
| ||||
| Shaula se ligging (in die rooi sirkel). | ||||
| Sterrebeeld | Skerpioen | |||
| Bayer-naam | Lambda Scorpii | |||
| Spektraaltipe | B2IV + DA7,9[1] | |||
| Soort | Veelvoudig | |||
| Waarnemingsdata (Epog J2000) | ||||
| Regte klimming | 17h 33m 36.520s[2] | |||
| Deklinasie | -37° 06′ 13.76″[2] | |||
| Skynmagnitude (m) | 1,62 / 14,9 / 12[2][3] | |||
| Absolute magnitude (M) | -3,7[4] | |||
| B-V-kleurindeks | -0,24[5] | |||
| U-B-kleurindeks | -0,88[5] | |||
| Besonderhede | ||||
| Komponent 1 | λ Sco A | |||
| Massa (M☉) | 14,5 ± 1,1[6] | |||
| Radius (R☉) | 8,8 ± 1,2[6] | |||
| Ligsterkte (L☉) | 36 300[6] | |||
| Temperatuur (K) | 25 000 ± 1 000[6] | |||
| Rotasiespoed (km/s) | 150[6] | |||
| Komponent 2 | λ Sco B | |||
| Massa (M☉) | 9,6-11,6[6] | |||
| Radius (R☉) | 4,7 ± 1[6] | |||
| Temperatuur (K) | 25 000 ± 1 000[6] | |||
| Eienskappe | ||||
| Afstand (ligjaar) | 570 | |||
| Ouderdom (jaar) | 10-13 miljoen | |||
| Veranderlikheid | Beta Cephei (A)[6] | |||
| Ander name | ||||
| 35 Scorpii, HR 6527, CD -37 11673, HD 158926, SAO 208954, FK5 652, HIP 85927, CCDM J17336-3706A/B/C | ||||
| ||||
Shaula (ook bekend as Lambda Scorpii of λ Sco) is, ondanks sy Bayer-aanwysing as lambda, die tweede helderste ster in die sterrebeeld Skerpioen (Scorpius) en een van die helderste sterre in die naglug.
- ↑ Holberg, J. B.; Oswalt, T. D.; Sion, E. M.; Barstow, M. A.; Burleigh, M. R. (2013). "Where are all the Sirius-like binary systems?". Monthly Notices of the Royal Astronomical Society. 435 (3): 2077. arXiv:1307.8047. Bibcode:2013MNRAS.435.2077H. doi:10.1093/mnras/stt1433.
- ↑ 2,0 2,1 2,2 Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ↑ Reed, B. Cameron (2003), "Catalog of Galactic OB Stars", The Astronomical Journal 125 (5): 2531–2533, doi:10.1086/374771, Bibcode: 2003AJ....125.2531R.
- ↑ Balona, L. A.; Feast, M. W. (1975). "The luminosities of the beta Canis Majoris variables, the zero age main sequence and the distance of the Sco-Cen association". Monthly Notices of the Royal Astronomical Society. 172: 191. Bibcode:1975MNRAS.172..191B. doi:10.1093/mnras/172.1.191.
- ↑ 5,0 5,1 Hamdy, M. A.; Abo Elazm, M. S.; Saad, S. M. (1993). "A catalogue of spectral classification and photometric data of B-type stars". Astrophysics and Space Science. 203: 53. Bibcode:1993Ap&SS.203...53H. doi:10.1007/BF00659414.
- ↑ 6,0 6,1 6,2 6,3 6,4 6,5 6,6 6,7 6,8 Handler, G.; Schwarzenberg-Czerny, A. (2013). "Time-resolved multicolour photometry of bright B-type variable stars in Scorpius". Astronomy & Astrophysics. 557: A1. arXiv:1307.2733. Bibcode:2013A&A...557A...1H. doi:10.1051/0004-6361/201321886.