Alpha Arae: Perbedaan antara revisi
Tampilan
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{{Starbox catalog |
{{Starbox catalog |
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| names=Choo, Tchou, α Ara, Alpha Arae, Alpha Ara, [[Double star designation|HJ 4955A]], [[2MASS]] J17315049-4952341, [[AAVSO]] 1724-49, [[Catalog of Components of Double and Multiple Stars|CCDM]] J17318-4953A, [[Durchmusterung|CD]]−49°11511, [[Cape Photographic Catalogue|CPC]] 0 16300, [[Durchmusterung|CPD]]−49°10052, [[Catalog of Stellar Identification|CSI]]-49 11511 21, [[EM* MWC]] 261, [[Fifth Fundamental Catalogue|FK5]] 651, [[Boss General Catalogue|GC]] 23708, [[GCRV]] 10116, [[Guide Star Catalog|GSC]] 08350-02600, [[Henry Draper Catalogue|HD]] 158427, [[Karl Gordon Henize#Writings|Hen]] 3-1417, [[Hipparcos Catalogue|HIP]] 85792, [[Bright Star Catalogue|HR]] 6510, [[Index Catalogue of Visual Double Stars|IDS]] 17241-4948 A, [[IRAS]] 17279-4950, [[JP11]] 2859, [[Catalog of 5,268 Standard Stars Based on the Normal System N30|N30]] 3898, [[New Catalogue of Suspected Variable Stars|NSV]] 8999, [[General Catalogue of Trigonometric Stellar Parallaxes|PLX]] 3969.1, [[PPM Star Catalogue|PPM]] 323069, [[Catalogue of rotational velocities of the stars|ROT]] 2456, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 228069, [[TD1 Catalog of Stellar Ultraviolet Fluxes|TD1]] 20501, [[Tycho Catalogue|TYC]] 8350-2600-1, [[Photoelectric Catalogue|UBV]] 14909, [[UBV Photoelectric Photometry Catalogue|UBV M]] 22215, [[uvby98]] 100158427 A, [[Washington Double Star Catalog|WDS]] 17318-4953A.<ref name=sb0 |
| names=Choo, Tchou, α Ara, Alpha Arae, Alpha Ara, [[Double star designation|HJ 4955A]], [[2MASS]] J17315049-4952341, [[AAVSO]] 1724-49, [[Catalog of Components of Double and Multiple Stars|CCDM]] J17318-4953A, [[Durchmusterung|CD]]−49°11511, [[Cape Photographic Catalogue|CPC]] 0 16300, [[Durchmusterung|CPD]]−49°10052, [[Catalog of Stellar Identification|CSI]]-49 11511 21, [[EM* MWC]] 261, [[Fifth Fundamental Catalogue|FK5]] 651, [[Boss General Catalogue|GC]] 23708, [[GCRV]] 10116, [[Guide Star Catalog|GSC]] 08350-02600, [[Henry Draper Catalogue|HD]] 158427, [[Karl Gordon Henize#Writings|Hen]] 3-1417, [[Hipparcos Catalogue|HIP]] 85792, [[Bright Star Catalogue|HR]] 6510, [[Index Catalogue of Visual Double Stars|IDS]] 17241-4948 A, [[IRAS]] 17279-4950, [[JP11]] 2859, [[Catalog of 5,268 Standard Stars Based on the Normal System N30|N30]] 3898, [[New Catalogue of Suspected Variable Stars|NSV]] 8999, [[General Catalogue of Trigonometric Stellar Parallaxes|PLX]] 3969.1, [[PPM Star Catalogue|PPM]] 323069, [[Catalogue of rotational velocities of the stars|ROT]] 2456, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 228069, [[TD1 Catalog of Stellar Ultraviolet Fluxes|TD1]] 20501, [[Tycho Catalogue|TYC]] 8350-2600-1, [[Photoelectric Catalogue|UBV]] 14909, [[UBV Photoelectric Photometry Catalogue|UBV M]] 22215, [[uvby98]] 100158427 A, [[Washington Double Star Catalog|WDS]] 17318-4953A.<ref name=sb0 />}} |
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{{Starbox reference |
{{Starbox reference |
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| Simbad=alf+ara}} |
| Simbad=alf+ara}} |
Revisi per 22 Juli 2009 02.27
α Arae (Choo) in the constellation Ara. | |
Data pengamatan Epos J2000.0 Ekuinoks J2000.0 (ICRS) | |
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Rasi bintang | Ara |
Asensio rekta | 17j 31m 50.4933d[1] |
Deklinasi | −49° 52′ 34.121″[1] |
Magnitudo tampak (V) | 2.76 to 2.90[2] |
Ciri-ciri | |
Kelas spektrum | B3Ve[3] |
Indeks warna U−B | −0.69[2] |
Indeks warna B−V | −0.17[2] |
Indeks warna R−I | −0.24[2] |
Jenis variabel | BE[4] |
Astrometri | |
Kecepatan radial (Rv) | 0[1] km/s |
Gerak diri (μ) | RA: −31.27[1] mdb/thn Dek.: −67.15[1] mdb/thn |
Paralaks (π) | 13,46±0,95[1] mdb |
Jarak | 240 ± 20 tc (74 ± 5 pc) |
Magnitudo mutlak (MV) | −1.5[note 1] |
Detail | |
Massa | 9.6[3] M☉ |
Radius | 4.8[3] R☉ |
Luminositas (bolometrik) | 5,800[3] L☉ |
Suhu | 18,000[3] K |
Rotasi | 12 h[note 2][3] |
Kecepatan rotasi (v sin i) | 375[3] km/s |
Penamaan lain | |
Choo, Tchou, α Ara, Alpha Arae, Alpha Ara, HJ 4955A, 2MASS J17315049-4952341, AAVSO 1724-49, CCDM J17318-4953A, CD−49°11511, CPC 0 16300, CPD−49°10052, CSI-49 11511 21, EM* MWC 261, FK5 651, GC 23708, GCRV 10116, GSC 08350-02600, HD 158427, Hen 3-1417, HIP 85792, HR 6510, IDS 17241-4948 A, IRAS 17279-4950, JP11 2859, N30 3898, NSV 8999, PLX 3969.1, PPM 323069, ROT 2456, SAO 228069, TD1 20501, TYC 8350-2600-1, UBV 14909, UBV M 22215, uvby98 100158427 A, WDS 17318-4953A.[1] | |
Referensi basis data | |
SIMBAD | data |
Alpha Arae (Alpha Ara / α Arae / α Ara) merupakan bintang tercerah kedua di rasi Ara. Bintang ini memiliki jarak 242 tahun cahaya dari Bumi dan bermagnitudo 2.84.
Etimologi
Bintang ini memiliki nama tradisional Tchou atau Choo, dari bahasa China 杵, atau Mandarin chǔ, yang berarti "alat penumbuk". Nama lain dari para astronom terdahulu adalah :
nama lain | asal bahasa | arti |
---|---|---|
杵二 / Chǔèr | China / Mandarin | bintang kedua pada rasi Alat Penumbuk[5] |
Referensi
- ^ a b c d e f g V* alf Ara -- Eruptive variable Star, database entry, SIMBAD. Accessed on line November 26, 2008.
- ^ a b c d HR 6510, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line November 26, 2008.
- ^ a b c d e f g Kesalahan pengutipan: Tag
<ref>
tidak sah; tidak ditemukan teks untuk ref bernamam07
- ^ alf Ara, database entry, The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line November 26, 2008.
- ^ salah satu rasi bintang menurut bangsa Cina
Pranala luar
- HR 6510, entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50.
- α Arae at Alycone Software's Star Data Pages.
- Image of Alpha Arae from Aladin.
Kesalahan pengutipan: Ditemukan tag <ref>
untuk kelompok bernama "note", tapi tidak ditemukan tag <references group="note"/>
yang berkaitan