Pi Draconis: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
Tidak ada ringkasan suntingan Tag: Suntingan perangkat seluler Suntingan peramban seluler |
Tag: Suntingan perangkat seluler Suntingan peramban seluler |
||
Baris 74: | Baris 74: | ||
== Referensi == |
== Referensi == |
||
{{Reflist |
{{Reflist|refs= |
||
<ref name=vanLeeuwen2007>{{citation |
|||
| title=Validation of the new Hipparcos reduction |
|||
| last1=van Leeuwen | first1=F. |
|||
| journal=Astronomy and Astrophysics |
|||
| volume=474 | issue=2 | pages=653–664 | date=2007 |
|||
| arxiv=0708.1752 | bibcode=2007A&A...474..653V |
|||
| doi=10.1051/0004-6361:20078357 | postscript=. }}</ref> |
|||
<ref name=Gontcharov2006>{{citation |
|||
| last1=Gontcharov | first1=G. A. |
|||
| title=Pulkovo Compilation of Radial Velocities for 35495 Hipparcos stars in a common system |
|||
| journal=Astronomy Letters |
|||
| volume=32| issue=11 | pages=759–771| date=November 2006 |
|||
| doi=10.1134/S1063773706110065 | bibcode=2006AstL...32..759G |
|||
| arxiv=1606.08053 | postscript=. }}</ref> |
|||
<ref name=Anderson2012>{{citation |
|||
| title=XHIP: An extended hipparcos compilation |
|||
| last1=Anderson | first1=E. | last2=Francis | first2=Ch. |
|||
| journal=Astronomy Letters |
|||
| volume=38 | issue=5 | pages=331 | year=2012 |
|||
| bibcode=2012AstL...38..331A | doi=10.1134/S1063773712050015 |
|||
| arxiv=1108.4971 | postscript=. }}</ref> |
|||
<ref name=mcdonald2012>{{citation |
|||
| display-authors=1 | last1=McDonald | first1= I. |
|||
| last2=Zijlstra | first2=A. A. | last3=Boyer | first3=M. L. |
|||
| title=Fundamental parameters and infrared excesses of Hipparcos stars |
|||
| journal=Monthly Notices of the Royal Astronomical Society |
|||
| volume=427 | pages=343 | year=2012 |
|||
| bibcode=2012MNRAS.427..343M | doi=10.1111/j.1365-2966.2012.21873.x |
|||
| arxiv=1208.2037 | postscript=. }}</ref> |
|||
<ref name=Eggleton2008>{{citation |
|||
| last1=Eggleton | first1=P. P. | last2=Tokovinin | first2=A. A. |
|||
| title=A catalogue of multiplicity among bright stellar systems |
|||
| journal=[[Monthly Notices of the Royal Astronomical Society]] |
|||
| volume=389 | issue=2 | pages=869–879 | date=September 2008 |
|||
| doi=10.1111/j.1365-2966.2008.13596.x | bibcode=2008MNRAS.389..869E |
|||
| arxiv=0806.2878 | postscript=. }}</ref> |
|||
<ref name=lang2006>{{citation |
|||
| first1=Kenneth R. | last1=Lang | postscript=. |
|||
| title=Astrophysical formulae | volume=1 |
|||
| series=Astronomy and astrophysics library | edition=3rd |
|||
| publisher=[[Birkhäuser]] | date=2006 | isbn=3-540-29692-1 |
|||
| url=https://books.google.com/books?id=OvTjLcQ4MCQC&pg=PA41 |
|||
}} The radius (R<sub>*</sub>) is given by: |
|||
:<math>\begin{align} 2\cdot R_* |
|||
& = \frac{(70.2\cdot 0.427\cdot 10^{-3})\ \text{AU}}{0.0046491\ \text{AU}/R_{\bigodot}} \\ |
|||
& \approx 6.4\cdot R_{\bigodot} |
|||
\end{align}</math></ref> |
|||
<ref name=Yuece2014>{{citation | postscript=. |
|||
| title=Elemental Abundance Analyses with DAO Spectrograms. XXXIV. A Three-Dimensional Graphical Examination of the Elemental Abundances of the Mercury-Manganese and Metallic-Line Stars |
|||
| last1=Yüce | first1=Kutluay | last2=Adelman | first2=Saul J. |
|||
| journal=Publications of the Astronomical Society of the Pacific |
|||
| volume=126 | issue=938 | pages=345 | date=April 2014 |
|||
| doi=10.1086/676335 | bibcode=2014PASP..126..345Y }}</ref> |
|||
<ref name=DeRosa2014>{{citation |
|||
| display-authors=1 |
|||
| last1=De Rosa | first1=R. J. | last2=Patience | first2=J. |
|||
| last3=Wilson | first3=P. A. | last4=Schneider | first4=A. |
|||
| last5=Wiktorowicz | first5=S. J. | last6=Vigan | first6=A. |
|||
| last7=Marois | first7=C. | last8=Song | first8=I. |
|||
| last9=Macintosh | first9=B. | last10=Graham | first10=J. R. |
|||
| last11=Doyon | first11=R. | last12=Bessell | first12=M. S. |
|||
| last13=Thomas | first13=S. | last14=Lai | first14=O. |
|||
| title=The VAST Survey - III. The multiplicity of A-type stars within 75 pc |
|||
| journal=Monthly Notices of the Royal Astronomical Society |
|||
| volume=437 | issue=2 | pages=1216–1240 | date=January 2014 |
|||
| doi=10.1093/mnras/stt1932 | bibcode=2014MNRAS.437.1216D |
|||
| arxiv=1311.7141 | postscript=. }}</ref> |
|||
<ref name=Royer2002>{{citation |
|||
| display-authors=1 | last1=Royer | first1=F. |
|||
| last2=Grenier | first2=S. | last3=Baylac | first3=M.-O. |
|||
| last4=Gómez | first4=A. E. | last5=Zorec | first5=J. |
|||
| title=Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i |
|||
| journal=Astronomy and Astrophysics |
|||
| volume=393 | pages=897–911 | date=October 2002 |
|||
| doi=10.1051/0004-6361:20020943 | bibcode=2002A&A...393..897R |
|||
| arxiv=astro-ph/0205255 | postscript=. }}</ref> |
|||
<ref name=Johnson1966>{{citation | display-authors=1 |
|||
| last1=Johnson | first1=H. L. | last2=Iriarte | first2=B. |
|||
| last3=Mitchell | first3=R. I. | last4=Wisniewskj | first4=W. Z. |
|||
| title=UBVRIJKL photometry of the bright stars |
|||
| journal=Communications of the Lunar and Planetary Laboratory |
|||
| volume=4 | issue=99 | year=1966 |
|||
| bibcode=1966CoLPL...4...99J | postscript=. }}</ref> |
|||
<ref name=SIMBAD>{{cite simbad |
|||
| title=pi. Dra |
|||
| accessdate=2017-05-30 | postscript=. }}</ref> |
|||
}} |
|||
{{bintang-stub}} |
{{bintang-stub}} |
Revisi per 20 Mei 2018 11.46
Data pengamatan Epos J2000.0 Ekuinoks J2000.0 (ICRS) | |
---|---|
Rasi bintang | Draco |
Asensio rekta | 19j 20m 40.09333d[1] |
Deklinasi | +65° 42′ 52.3095″[1] |
Magnitudo tampak (V) | 4.59[2] |
Ciri-ciri | |
Kelas spektrum | A2 IIIs[3][4] |
Indeks warna U−B | +0.06[2] |
Indeks warna B−V | +0.02[2] |
Astrometri | |
Kecepatan radial (Rv) | −28.1 ± 1.1[5] km/s |
Gerak diri (μ) | RA: +15.09[1] mdb/thn Dek.: +41.12[1] mdb/thn |
Paralaks (π) | 14,25±0,12[1] mdb |
Jarak | 229 ± 2 tc (70,2 ± 0,6 pc) |
Magnitudo mutlak (MV) | +0.37[6] |
Detail | |
Massa | 2.70[7] M☉ |
Radius | 3.2[8] R☉ |
Luminositas | 60[9] L☉ |
Gravitasi permukaan (log g) | 3.80[10] |
Suhu | 9,125[10] K |
Metalisitas [Fe/H] | 0.42[6] |
Kecepatan rotasi (v sin i) | 26±1[3] km/s |
Usia | 350[7] megatahun |
Penamaan lain | |
π Dra, 58 Dra, BD+65° 1345, FK5 3547, HD 182564, HIP 95081, HR 7371, SAO 18299[11] | |
Referensi basis data | |
SIMBAD | data |
Pi Draconis (π Dra / π Draconis) adalah salah satu bintang pada rasi Draco . Bintang ini memiliki magnitudo 4.60 dan merupakan bintang dengan kelas F8IV-V. Bintang ini berada pada jarak 225 tahun cahaya dari Bumi.
Etimologi
Nama tradisional bintang ini adalah Tais I atau Tais al Awwal[12] yang berarti "kambing pertama" dalam bahasa Arab.
Nama lainnya untuk bintang ini adalah :
nama lain | asal bahasa | arti |
---|---|---|
天廚六 / Tiānchúliù | China | bintang keenam pada rasi Dapur di Langit[13] |
Selain rasi Draco, bintang ini juga merupakan anggota dari berbagai rasi atau asterisma berikut :
nama rasi / asterisma | asal | arti | anggota lainnya |
---|---|---|---|
天廚 / Tiānchú | China | Dapur di Langit | δ Dra, σ Dra, ε Dra, ρ Dra , 64 Dra |
Al Tāis[14] | Arab | kambing | δ Dra, ε Dra, ρ Dra |
Referensi
- ^ a b c d e 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 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 Royer, F.; et al. (October 2002), "Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i", Astronomy and Astrophysics, 393: 897–911, arXiv:astro-ph/0205255 , Bibcode:2002A&A...393..897R, doi:10.1051/0004-6361:20020943.
- ^ Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv:0806.2878 , Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x.
- ^ Gontcharov, G. A. (November 2006), "Pulkovo Compilation of Radial Velocities for 35495 Hipparcos stars in a common system", Astronomy Letters, 32 (11): 759–771, arXiv:1606.08053 , Bibcode:2006AstL...32..759G, doi:10.1134/S1063773706110065.
- ^ a b Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971 , Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015.
- ^ a b De Rosa, R. J.; et al. (January 2014), "The VAST Survey - III. The multiplicity of A-type stars within 75 pc", Monthly Notices of the Royal Astronomical Society, 437 (2): 1216–1240, arXiv:1311.7141 , Bibcode:2014MNRAS.437.1216D, doi:10.1093/mnras/stt1932.
- ^ Lang, Kenneth R. (2006), Astrophysical formulae, Astronomy and astrophysics library, 1 (edisi ke-3rd), Birkhäuser, ISBN 3-540-29692-1. The radius (R*) is given by:
- ^ McDonald, I.; et al. (2012), "Fundamental parameters and infrared excesses of Hipparcos stars", Monthly Notices of the Royal Astronomical Society, 427: 343, arXiv:1208.2037 , Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x.
- ^ a b Yüce, Kutluay; Adelman, Saul J. (April 2014), "Elemental Abundance Analyses with DAO Spectrograms. XXXIV. A Three-Dimensional Graphical Examination of the Elemental Abundances of the Mercury-Manganese and Metallic-Line Stars", Publications of the Astronomical Society of the Pacific, 126 (938): 345, Bibcode:2014PASP..126..345Y, doi:10.1086/676335.
- ^ "pi. Dra". SIMBAD. Centre de données astronomiques de Strasbourg. Diakses tanggal 2017-05-30.
- ^ http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720005197_1972005197.pdf
- ^ salah satu rasi bintang menurut bangsa Cina
- ^ http://penelope.uchicago.edu/Thayer/E/Gazetteer/Topics/astronomy/_Texts/secondary/ALLSTA/Draco*.html