Betelgeuse
| Dhata pangamatan Epos J2000.0 | |
|---|---|
| Rasi lintang | Orion |
| Asensio rekta | 05j 55m 10.3053d[1] |
| Dhéklinasi | +07° 24′ 25.426″[1] |
| Magnitudo katon (V) | 0.58[1] (0.3 to 1.2) |
| Ciri-ciri | |
| Kelas spektrum | M2Iab[1] |
| Indèks warna U-B | 2.06[1] |
| Indèks warna B-V | 1.85[1] |
| Jinis variabel | SR c[1] (Semi-regular) |
| Astrometri | |
| Kacepetan radhial (Rv) | +21.0[1] km/s |
| Gerak dhiri (μ) | RA: 24.95 ± 0.08[2] mas/taun Dek.: 9.56 ± 0.15[2] mas/taun |
| Paralaks (π) | 5.07 ± 1.10[2] mas |
| Let | 640 ± 140 [2] tc (197 ± 45 [2] pc) |
| Magnitudo mutlak (MV) | −5.14 |
| Detail | |
| Massa | 18-19[3] M☉ |
| Radhius | 936[4] R☉ |
| Gravitasi permukaan (log g) | -0.5[5] |
| Luminositas | 105,000[3] L☉ |
| Suhu | 3,500[5] K |
| Umur | ~10 million[4] taun |
| Pamènèhan jeneng liya | |
Betelgeuse (uniné /ˈbiːtəldʒuːz/ utawa /ˈbɛtəldʒuːz/[6]) (Alpha (α) Orionis) ya iku lintang kang ana ing 427 taun cahya adohé saka Bumi. Lintang iki kagolong in lintang ingkang padhang piyambak kaping loro ning rasi bintang Orion lan lintang ingkang padhang piyambak kasanga ning langit nalika bengi.
Ètimologi[besut | besut sumber]
Jeneng Betelgeuse saka tembung Bait al-Jauzā, asalé saka basa Arab kang artiné "umahé sang raseksa". Jeneng liya kanggo lintanga iki ya iku:
| jeneng liya | asal basa | arti |
|---|---|---|
| منكب الجوزاء Mankib al Jauzā' / Bahu | Arab / Sanskerta | bahu sang raseksa |
| يد الجوزاء Yad al-Jauzā', Ied Algeuze / Yedelgeuse | Arab / Ibrani | tangan sang raseksa |
| ط الجوزاء Baţ al-Jauzā' | Arab | ketiak sang raseksa |
| Al Dhira / Bašn | Arab / Pèrsi | tangan |
| Al Mankib | Arab | ketiak |
| Al Yad al Yamma | Arab | tangan kanan |
| Ardra | Hindi, Bengali | |
| Klaria | Koptik | gelang |
| 參宿四 / Shēnxiùsì | China | bintang kapapat ning rasi Tiga Bintang[7] |
| 参左肩 / Shēnzuǒjiān | China | bintang di bahu kiri rasi Tiga Bintang[8] |
| 左將軍 / Zuǒjiàngjūn | China | [8] |
| 參宿东北星 / Shēnxiùdōngběixīng | China | bintang ning timur laut rasi Tiga Bintang[8] |
| 卷舌东大星 / Juǎnshédōngdàxīng | China | bintang gedhé ning timur rasi Lidah yang Tergulung[7][8] |
| Heike-boshi, (平家星)[9][10] | Jepang | bintang Klan Heike |
| Kin-waki, (金脇) | Jepang | bintang ning pinggiré samping Bintang Emas |
| Gula[11] | Eufrat | |
| Orach[12] | Makedonia | penggembala |
Saliyané rasi Orion, lintang iki uga duwé anggota saka rasi-rasi liya, asterisma utawa kelompok :
| nama rasi / asterisma / kelompok | asal | arti | anggota lainnya |
|---|---|---|---|
| 参宿 / Shēnxiù | China | Tiga Bintang | ζ Ori, ε Ori, δ Ori, β Ori, γ Ori, κ Ori |
| Winter Circle | lingkaran mangsa dingin | α CMa, α CMi, β Gem, α Gem, α Aur, α Tau, β Ori | |
| Manu [13] | Polinesia | burung besar | α CMa, α Car, α CMi, β Ori |
| Heavenly G[14] | huruf G di langit | α CMa, α CMi, α Aur, β Gem, α Gem, β Ori, γ Ori, α Tau | |
| Akuttujuuk | Inuit | rong waladan kang kapisah adoh | γ Ori[15] |
| Calvario Cruz (versi kedua)[16] | Inca | salib Calvary | α CMa, α CMi, β Ori |
| Hatun Cruz (versi pertama)[17] | Inca | salib gedhé | α CMa, α CMi, β Ori |
| Sky Dragon[18] | naga ning langit | α Aql, α Aur, α Boo, α CMa, α CMi, α Cyg, β Gem, α Gem, α Leo, α Lyr, β Ori, α PsA, α Sco, α Tau, α Vir | |
| Kakkab Sar[11] | Eufrat | raja | γ Ori, λ Ori |
| Marezānā[11] | Sogdia | γ Ori, λ Ori | |
| Ikhma[11] | Khorasmia | si kembar | γ Ori, λ Ori |
| Aveçr[11] | Pèrsi | makutha kecil | γ Ori, λ Ori |
| Klusos[11] | Koptik | air, basah | γ Ori, λ Ori |
| Ardra (आर्द्रा) | agama Hindhu | yang lembut | tidak ada |
| Camel of Rāʽi al Jauzah[11] | Arab | unta raksasa penggembala | γ Ori, κ Ori, δ Ori |
Réferènsi[besut | besut sumber]
- ↑ a b c d e f g h i "SIMBAD query result: V* alf Ori -- Semi-regular pulsating Star". Centre de Données astronomiques de Strasbourg. Dibukak ing 2007-06-20.
- ↑ a b c d e (5), Table 6, A New VLA-Hipparcos Distance to Betelgeuse and its Implications, Graham M. Harper, Alexander Brown, and Edward F. Guinan, The Astronomical Journal 135, #4 (April 2008), pp. 1430–1440, Cithakan:Bibcode, doi:10.1088/0004-6256/135/4/1430.
- ↑ a b astro.uiuc.edu, Betelgeuse (Alpha Orionis) - Update 2008, Stars, Jim Kaler, retrieved 9 October 2008.
- ↑ a b Professor James B. (Jim) Kaler. "Betelgeuse (Alpha Orionis)". University of Illinois. Dibukak ing 2009-07-19.
- ↑ a b Lobel, A.; Dupree, A. K. (2000). "Modeling the Variable Chromosphere of α Orionis". The Astrophysical Journal. 545: 454–74. doi:10.1086/317784. Dibukak ing 2007-02-04.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ↑ OED
- ↑ a b salah sijiné rasi bintang menurut bangsa Cina Masalah sitiran: Tenger
<ref>ora trep; jeneng "sb0" diwedharaké ping bola-bali déné isiné béda - ↑ a b c d http://www.chinese-tools.com/tools/sinograms.html
- ↑ "Daijirin" p.2327 ISBN：4385139024
- ↑ Hōei Nojiri"Shin seiza jyunrei"p.19 ISBN： 9784122041288
- ↑ a b c d e f g http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Orion*.html
- ↑ http://articles.adsabs.harvard.edu/full/2008POBeo..85...97C
- ↑ http://web.archive.org/web/20070623021754/http://epress.anu.edu.au/pac_ling/lexicon/pdf/ch06.pdf
- ↑ http://web.archive.org/web/19990202143049/http://seds.org/Maps/Const/asterism.html
- ↑ http://web.archive.org/web/20111108032231/http://www.starlab.com/PDFs/D.27.Inuit.pdf
- ↑ http://www.astronomy.pomona.edu/archeo/andes/startable2.html
- ↑ http://www.astronomy.pomona.edu/archeo/andes/startable2.html
- ↑ http://www.amastro2.org/at/as/asas.html
Pranala njaba[besut | besut sumber]
- Young, John (November 24 2006). "Surface imaging of Betelgeuse with COAST and the WHT". University of Cambridge. Dibukak ing 2007-06-21.
{{cite web}}: Check date values in:|date=(pitulung) — Images of hotspots on the surface of Betelgeuse taken at visible and infra-red wavelengths using high resolution ground-based interferometers. - "Betelgeuse". SolStation. Dibukak ing 2005-11-11.
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