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{{Starbox |
{{Starbox begin |
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| name= |
| name = Theta Canis Majoris |
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| epoch=[[J2000.0]] |
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| constell=[[Canis Major]] |
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| ra=06<sup>h</sup>54<sup>m</sup>11.4<sup>s</sup> |
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| dec=−12°02′19″ |
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| spectral=K4III |
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| appmag_v=+4.08 |
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| dist_ly=252 ± 17 |
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| dist_pc=77 ± 5 |
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| names=14 Canis Majoris, [[Harvard Revised catalogue|HR]] 2574, [[Henry Draper Catalogue|HD]] 50778, [[Bonner Durchmusterung|BD]]-11°1681, [[Fifth Fundamental Catalogue|FK5]] 266, [[Hipparcos catalogue|HIP]] 33160, [[Smithsonian Astrophysical Observatory catalogue|SAO]] 152071, GC 9051 |
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}} |
}} |
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{{Starbox image |
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'''Theta Canis Majoris''' (θ CMa / θ Canis Majoris) adalah salah satu bintang di rasi [[Canis Major]]. |
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| image= |
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{{Location mark |
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|image=Canis Major constellation map.svg|alt=|float=center|width=250 |
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|label=|position=right |
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|mark=Red circle.svg|mark_width=10|mark_link=θ CMa |
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|x=288|y=222 |
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}} |
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|caption=Lokasi θ Canis Majoris (dilingkari) |
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}} |
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{{Starbox observe |
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| epoch = [[J2000.0]] |
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| equinox = [[J2000.0]] ([[International Celestial Reference System|ICRS]]) |
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| constell = [[Canis Major]] |
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| ra = {{RA|06|54|11,39877}}<ref name=vanLeeuwen2007/> |
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| dec = {{DEC|−12|02|19,0674}}<ref name=vanLeeuwen2007/> |
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| appmag_v = 4,08<ref name=Setaiwan2004/> |
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}} |
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{{Starbox character |
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| class = K4 III<ref name=Setaiwan2004/> |
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| b-v = +1,43<ref name=Johnson1966/> |
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| u-b = +1,69<ref name=Johnson1966/> |
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| variable = |
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}} |
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{{Starbox astrometry |
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| radial_v = {{Val|+96.2|0.1}}<ref name=Jofre2015/> |
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| prop_mo_ra = −137,26<ref name=vanLeeuwen2007/> |
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| prop_mo_dec = −15,37<ref name=vanLeeuwen2007/> |
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| parallax = 12.51 |
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| p_error = 0.62 |
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| parallax_footnote = <ref name=vanLeeuwen2007/> |
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| absmag_v = −0,36 ± 0,15<ref name=daSilva2006/> |
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}} |
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{{Starbox detail |
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| source = <ref name=Jofre2015/> |
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| mass = {{Val|0.95|0.03}} |
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| radius = {{Val|31.91|1.92}} |
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| luminosity = 263 |
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| temperature = {{Val|4145|26|fmt=commas}} |
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| gravity = {{Val|1.67|0.08}} |
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| metal_fe = {{Val|−0.52|0.04}} |
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| rotational_velocity = {{Val|2.72|0.40}} |
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| age_gyr = {{Val|10.41|1.31}} |
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}} |
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{{Starbox catalog |
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| names = θ CMa, 14 CMa, BD−11° 1681, FK5 266, HD 50778, HIP 33160, HR 2574, SAO 152071, GC 9051<ref name=SIMBAD/> |
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}} |
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{{Starbox reference |
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| Simbad = tet+CMa |
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}} |
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{{Starbox end}} |
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'''Theta Canis Majoris''' ('''θ CMa''' / '''θ Canis Majoris''') adalah salah satu bintang di rasi [[Canis Major]]. |
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θ Canis Majoris adalah bintang raksasa jingga dengan [[magnitudo]] |
θ Canis Majoris adalah bintang raksasa jingga dengan [[magnitudo tampak]] 4,08.<ref name=Setaiwan2004/> Bintang ini berada pada jarak 260 [[tahun cahaya]] (80 [[parsec]]) dari [[Matahari]].<ref name=vanLeeuwen2007/> |
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Pada [[Almagest]], bintang ini disebut sebagai ''quae in auribus'', berarti "yang berada di telinga (sang anjing besar)".< |
Pada [[Almagest]], bintang ini disebut sebagai ''quae in auribus'', berarti "yang berada di telinga (sang anjing besar)".<ref>http://www.atlascoelestis.com/alsufi%2038.htm</ref> |
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== Referensi == |
== Referensi == |
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{{reflist |
{{reflist|refs= |
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<ref name=vanLeeuwen2007>{{citation |
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{{astronomi-stub}} |
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| title=Validation of the new Hipparcos reduction |
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| last1=van Leeuwen | first1=F. |
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| journal=Astronomy and Astrophysics |
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| volume=474 | issue=2 | pages=653–664 | date=2007 |
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| arxiv=0708.1752 | bibcode=2007A&A...474..653V |
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| doi=10.1051/0004-6361:20078357 | postscript=. }}</ref> |
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<ref name=Johnson1966>{{citation | display-authors=1 |
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| last1=Johnson | first1=H. L. | last2=Iriarte | first2=B. |
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| last3=Mitchell | first3=R. I. | last4=Wisniewskj | first4=W. Z. |
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| title=UBVRIJKL photometry of the bright stars |
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| journal=Communications of the Lunar and Planetary Laboratory |
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| volume=4 | issue=99 | year=1966 |
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| bibcode=1966CoLPL...4...99J | postscript=. }}</ref> |
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<ref name=Setaiwan2004>{{citation |
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| title=Precise radial velocity measurements of G and K giants. Multiple systems and variability trend along the Red Giant Branch |
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| last1=Setiawan | first1=J. | last2=Pasquini | first2=L. |
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| last3=da Silva | first3=L. | last4=Hatzes | first4=A. P. |
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| last5=von der Lühe | first5=O. | last6=Girardi | first6=L. |
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| last7=de Medeiros | first7=J. R. | last8=Guenther | first8=E. |
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| journal=Astronomy and Astrophysics |
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| volume=421 | pages=241–254 | date=July 2004 |
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| doi=10.1051/0004-6361:20041042-1 | bibcode=2004A&A...421..241S |
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| display-authors=1 | postscript=. }}</ref> |
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<ref name=daSilva2006>{{citation |
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| display-authors=1 | last1=da Silva | first1=L. |
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| last2=Girardi | first2=L. | last3=Pasquini | first3=L. |
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| last4=Setiawan | first4=J. | last5=von der Lühe | first5=O. |
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| last6=de Medeiros | first6=J. R. | last7=Hatzes | first7=A. |
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| last8=Döllinger | first8=M. P. | last9=Weiss | first9=A. |
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| title=Basic physical parameters of a selected sample of evolved stars |
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| journal=Astronomy and Astrophysics |
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| volume=458 | issue=2 | pages=609–623 |date=November 2006 |
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| doi=10.1051/0004-6361:20065105 | bibcode=2006A&A...458..609D |
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| arxiv=astro-ph/0608160 | postscript=. }}</ref> |
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<ref name=SIMBAD>{{cite simbad |
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| title=tet CMa | accessdate=2017-09-08 | postscript=. }}</ref> |
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<ref name=Jofre2015>{{citation |
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| last1=Jofré | first1=E. | last2=Petrucci | first2=R. |
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| last3=Saffe | first3=C. | last4=Saker | first4=L. |
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| last5=Artur de la Villarmois | first5=E. | last6=Chavero | first6=C. |
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| last7=Gómez | first7=M. | last8=Mauas | first8=P. J. D. |
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| title=Stellar parameters and chemical abundances of 223 evolved stars with and without planets |
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| journal=Astronomy & Astrophysics | display-authors=1 |
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| volume=574 | pages=A50 | year=2015 |
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| arxiv=1410.6422 | bibcode=2015A&A...574A..50J |
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| doi=10.1051/0004-6361/201424474 | postscript=. }}</ref> |
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}} |
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[[Kategori:Rasi bintang Canis Major]] |
[[Kategori:Rasi bintang Canis Major]] |
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{{bintang-stub}} |
Revisi terkini sejak 29 Desember 2022 12.52
Data pengamatan Epos J2000.0 Ekuinoks J2000.0 (ICRS) | |
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Rasi bintang | Canis Major |
Asensio rekta | 06j 54m 11,39877d[1] |
Deklinasi | −12° 02′ 19,0674″[1] |
Magnitudo tampak (V) | 4,08[2] |
Ciri-ciri | |
Kelas spektrum | K4 III[2] |
Indeks warna U−B | +1,69[3] |
Indeks warna B−V | +1,43[3] |
Astrometri | |
Kecepatan radial (Rv) | +96,2±0,1[4] km/s |
Gerak diri (μ) | RA: −137,26[1] mdb/thn Dek.: −15,37[1] mdb/thn |
Paralaks (π) | 12,51±0,62[1] mdb |
Jarak | 260 ± 10 tc (80 ± 4 pc) |
Magnitudo mutlak (MV) | −0,36 ± 0,15[5] |
Detail[4] | |
Massa | 0,95±0,03 M☉ |
Radius | 31,91±1,92 R☉ |
Luminositas | 263 L☉ |
Gravitasi permukaan (log g) | 1,67±0,08 |
Suhu | 4,145±26 K |
Metalisitas [Fe/H] | −0,52±0,04 |
Kecepatan rotasi (v sin i) | 2,72±0,40 km/s |
Usia | 10,41±1,31 gigatahun |
Penamaan lain | |
θ CMa, 14 CMa, BD−11° 1681, FK5 266, HD 50778, HIP 33160, HR 2574, SAO 152071, GC 9051[6] | |
Referensi basis data | |
SIMBAD | data |
Theta Canis Majoris (θ CMa / θ Canis Majoris) adalah salah satu bintang di rasi Canis Major.
θ Canis Majoris adalah bintang raksasa jingga dengan magnitudo tampak 4,08.[2] Bintang ini berada pada jarak 260 tahun cahaya (80 parsec) dari Matahari.[1]
Pada Almagest, bintang ini disebut sebagai quae in auribus, berarti "yang berada di telinga (sang anjing besar)".[7]
Referensi
[sunting | sunting sumber]- ^ a b c d e f 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.
- ^ a b c Setiawan, J.; et al. (July 2004), "Precise radial velocity measurements of G and K giants. Multiple systems and variability trend along the Red Giant Branch", Astronomy and Astrophysics, 421: 241–254, Bibcode:2004A&A...421..241S, doi:10.1051/0004-6361:20041042-1.
- ^ a b Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J.
- ^ a b Jofré, E.; et al. (2015), "Stellar parameters and chemical abundances of 223 evolved stars with and without planets", Astronomy & Astrophysics, 574: A50, arXiv:1410.6422 , Bibcode:2015A&A...574A..50J, doi:10.1051/0004-6361/201424474.
- ^ da Silva, L.; et al. (November 2006), "Basic physical parameters of a selected sample of evolved stars", Astronomy and Astrophysics, 458 (2): 609–623, arXiv:astro-ph/0608160 , Bibcode:2006A&A...458..609D, doi:10.1051/0004-6361:20065105.
- ^ "tet CMa". SIMBAD. Centre de données astronomiques de Strasbourg. Diakses tanggal 2017-09-08.
- ^ http://www.atlascoelestis.com/alsufi%2038.htm