Alpha Trianguli Australis
Tampilan
| Data pengamatan Epos J2000 Ekuinoks J2000 | |
|---|---|
| Rasi bintang | Triangulum Australe |
| Asensio rekta | 16j 48m 39.89508d[1] |
| Deklinasi | –69° 01′ 39.7626″[1] |
| Magnitudo tampak (V) | 1.91[2] |
| Ciri-ciri | |
| Kelas spektrum | K2 IIb-IIIa[3] |
| Indeks warna U−B | +1.56[4] |
| Indeks warna B−V | +1.44[4] |
| Astrometri | |
| Kecepatan radial (Rv) | –3.3[2] km/s |
| Gerak diri (μ) | RA: 17.99[1] mdb/thn Dek.: –31.58[1] mdb/thn |
| Paralaks (π) | 8,35±0,15[1] mdb |
| Jarak | 391 ± 7 tc (120 ± 2 pc) |
| Magnitudo mutlak (MV) | –3.68[5] |
| Detail | |
| Massa | 7[6] M☉ |
| Luminositas | 5,500[6] L☉ |
| Gravitasi permukaan (log g) | 1.5[6] |
| Suhu | 4,150[6] K |
| Metalisitas [Fe/H] | –0.06[6] |
| Usia | 4.8 × 107[6] tahun |
| Penamaan lain | |
| Referensi basis data | |
| SIMBAD | data |
Alpha Trianguli Australis (Latinisasi dari α Trianguli Australis, disingkat Alpha TRA, α TRA), secara resmi bernama Atria /eɪtriə/,[8][9] adalah terang bintang yang terletak di selatan rasi bintang Triangulum Australe, yang membentuk puncak segitiga dengan Beta Trianguli Australis dan Gamma Trianguli Australis yang memberi nama rasi bintang (Latin untuk segitiga selatan).
Referensi
[sunting | sunting sumber]- 1 2 3 4 5 Encyclopedia of Entomology. Dordrecht: Kluwer Academic Publishers. hlm. 653–653. ISBN 0-7923-8670-1.
- 1 2 Wielen, R.; et al. (1999). "Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions". Veröff. Astron. Rechen-Inst. Heidelb. 35 (35). Astronomisches Rechen-Institut Heidelberg: 1. Bibcode:1999VeARI..35....1W.
- ↑ Kovacs, N. (April 1983). "Model-atmosphere analysis of high-dispersion spectra of four red giants and supergiants". Astronomy and Astrophysics. 120 (1): 21–35. Bibcode:1983A&A...120...21K.
{{cite journal}}: Pemeliharaan CS1: Tanggal diterjemahkan otomatis (link) - 1 2 "ICONIP'99 [front matter]". ICONIP'99. ANZIIS'99 & ANNES'99 & ACNN'99. 6th International Conference on Neural Information Processing. Proceedings (Cat. No.99EX378). IEEE. 1999. doi:10.1109/iconip.1999.844646. ISBN 0-7803-5871-6.
{{cite journal}}: Pemeliharaan CS1: terbitan berkala memiliki ISBN (link) - ↑ Wertheimer, M.R. (1986-11). "Plasma polymerization". Thin Solid Films. 144 (1): L107–L108. doi:10.1016/0040-6090(86)90080-5. ISSN 0040-6090.
{{cite journal}}: Periksa nilai tanggal dalam:|date= - 1 2 3 4 5 6 Geografares 21. 21. 2016-07-08. doi:10.7147/geo20.0000 http://dx.doi.org/10.7147/geo20.0000.
{{cite journal}}: - ↑ Dictionary of Minor Planet Names. Berlin, Heidelberg: Springer Berlin Heidelberg. hlm. 404–404. ISBN 978-3-540-00238-3.
- ↑ Kunitzsch, Paul. (2006). A dictionary of modern star names : a short guide to 254 star names and their derivations. Smart, Tim. Cambridge, Mass.: Sky Pub. Corp. ISBN 1-931559-44-9. OCLC 70775754.
- ↑ Yusef-Zadeh, Farhad; Wardle, Mark (2016-09). "Star Formation Close to Sgr A* and Beyond the Nuclear Cluster". Proceedings of the International Astronomical Union. 12 (S324): 111–114. doi:10.1017/s1743921316012898. ISSN 1743-9213.
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Templat:Stars of Triangulum Australe