|
|
| Line 1: |
Line 1: |
| {{Starbox begin
| | The name of the writer is Jayson. Since he was 18 he's been working as an information officer but he ideas on altering it. To play lacross is some thing I really appreciate performing. For a while I've been in Mississippi but now I'm considering other options.<br><br>Also visit my web site ... online reader [[http://www.prograd.uff.br/novo/facts-about-growing-greater-organic-garden visit my homepage]] |
| | name = 88 Aquarii
| |
| }}
| |
| {{Starbox image
| |
| | image =
| |
| <div style="position: relative">[[File:Aquarius IAU.svg|250px|alt=Diagram showing star positions and boundaries of the Aquarius constellation and its surroundings]]
| |
| <div style="position: absolute; left: 31.8%; top: 59.3%">[[File:Cercle rouge 100%.svg|12px]]</div>
| |
| </div>
| |
| | caption = Location of 88 Aquarii (circled)
| |
| }}
| |
| {{Starbox observe
| |
| | epoch = [[J2000.0]]
| |
| | ra = {{RA|23|09|26.79681}}<ref name=aaa474_2_653/>
| |
| | dec = {{DEC|–21|10|20.6812}}<ref name=aaa474_2_653/>
| |
| | appmag_v = +3.679<ref name=sps1966/>
| |
| | constell = [[Aquarius (constellation)|Aquarius]]
| |
| }}
| |
| {{Starbox character
| |
| | class = K1 III<ref name=houk1978/>
| |
| | b-v = +1.215<ref name=sps1966/>
| |
| | u-b = +1.239<ref name=sps1966/>
| |
| | variable =
| |
| }}
| |
| {{Starbox astrometry
| |
| | radial_v = +21.1<ref name=scfs/>
| |
| | prop_mo_ra = +55.40<ref name=aaa474_2_653/>
| |
| | prop_mo_dec = +30.49<ref name=aaa474_2_653/>
| |
| | parallax = 12.05
| |
| | p_error = 0.22
| |
| | parallax_footnote = <ref name=aaa474_2_653/>
| |
| | absmag_v =
| |
| }}
| |
| {{Starbox detail
| |
| | mass =
| |
| | radius = 29<ref name=lang2006/>
| |
| | luminosity =
| |
| | temperature = 4,430<ref name=apjss74/>
| |
| | metal_fe = –0.24<ref name=apjss74/>
| |
| | gravity = 2.34<ref name=apjss74/>
| |
| | rotational_velocity =
| |
| | age_myr =
| |
| }}
| |
| {{Starbox catalog
| |
| | names = c<sup>2</sup> Aquarii, [[Star catalogue#BD.2FCD.2FCPD|BD]]-21°6368, [[FK5]] 873, [[Henry Draper Catalogue|HD]] 218594, [[Hipparcos catalogue|HIP]] 114341, [[Star catalogue#BS, BSC, HR|HR]] 8812, [[Star catalogue#SAO|SAO]] 191683.<ref name=SIMBAD/>
| |
| }}
| |
| {{Starbox end}}
| |
| '''88 Aquarii''' is the [[Flamsteed designation]] for a [[star]] in the [[celestial equator|equatorial]] [[constellation]] of [[Aquarius (constellation)|Aquarius]]. The [[Bayer designation]] of this star is c<sup>2</sup> Aquarii. In dark conditions it is visible to the naked eye with an [[apparent visual magnitude]] of +3.68.<ref name=sps1966/> Based upon [[parallax]] measurements, this star is at a distance of around {{Convert|271|ly|pc|abbr=off|lk=on}} from Earth.<ref name=aaa474_2_653/> | |
| | |
| The [[spectrum]] of 88 Aquarii matches an [[stellar evolution|evolved]] [[giant star]] with a [[stellar classification|classification]] of K1 III.<ref name=houk1978/> Its measured [[angular diameter]] is {{nowrap|3.24 ± 0.20 [[milliarcsecond|mas]]}},<ref name=aaa431_773/> which, at the estimated distance of Delta Ophiuchi,<ref name=aaa474_2_653/> yields a physical size of about 29 times the [[Solar radius|radius of the Sun]].<ref name=lang2006/> The cool, orange hued glow of this star comes from the [[stellar atmosphere|outer atmosphere's]] [[effective temperature]] of 4,430 K.<ref name=apjss74/>
| |
| | |
| ==References==
| |
| {{reflist|refs=
| |
| | |
| <ref name=aaa474_2_653>{{citation | first=F. | last=van Leeuwen |date=November 2007 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653–664 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 | postscript=. |arxiv = 0708.1752 }}</ref>
| |
| | |
| <ref name=apjss74>{{citation | last=McWilliam | first=Andrew | title=High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances | journal=Astrophysical Journal Supplement Series | volume=74 | pages=1075–1128 |date=December 1990 | doi=10.1086/191527 | bibcode=1990ApJS...74.1075M | postscript=. }}</ref>
| |
| | |
| <ref name=houk1978>{{citation | last1=Houk | first1=Nancy | title=Michigan catalogue of two-dimensional spectral types for the HD stars | volume=4 | publication-place=Ann Arbor | publisher=Dept. of Astronomy, University of Michigan | year=1978 | bibcode=1988mcts.book.....H | postscript=. }}</ref> | |
| | |
| <ref name=sps1966>{{citation | display-authors=1 | last1=Gutierrez-Moreno | first1=Adelina | last2=Moreno | first2=H. | last3=Stock | first3=J. | last4=Torres | first4=C. | last5=Wroblewski | first5=H. | title=A System of photometric standards | publisher=Publicaciones Universidad de Chile, Department de Astronomy | volume=1 | pages=1–17 | year=1966 | bibcode=1966PDAUC...1....1G | postscript=. }}</ref>
| |
| | |
| <ref name=scfs>{{citation | display-authors=1 | title=Sixth Catalogue of Fundamental Stars (FK6). Part I. Basic fundamental stars with direct solutions | last1=Wielen | first1=R. | last2=Schwan | first2=H. | last3=Dettbarn | first3=C. | last4=Lenhardt | first4=H. | last5=Jahreiß | first5=H. | last6=Jährling | first6=R. | publisher=Astronomisches Rechen-Institut Heidelberg | issue=35 | year=1999 | bibcode=1999VeARI..35....1W | postscript=. }}</ref>
| |
| | |
| <ref name=SIMBAD>{{citation | title=88 Aqr -- Star | work=SIMBAD Astronomical Object Database | publisher=Centre de Données astronomiques de Strasbourg | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=88+Aquarii | accessdate=2012-07-13 }}</ref>
| |
| | |
| <ref name=aaa431_773>{{citation | last1=Richichi | pages=A. | last2=Percheron | first2=I. | last3=Khristoforova | first3=M. | title=CHARM2: An updated Catalog of High Angular Resolution Measurements | journal=Astronomy and Astrophysics | volume=431 | pages=773–777 |date=February 2005 | doi=10.1051/0004-6361:20042039 | bibcode=2005A&A...431..773R }}</ref>
| |
| | |
| <ref name=lang2006>{{citation | first1=Kenneth R. | last1=Lang | title=Astrophysical formulae | volume=1 | series=Astronomy and astrophysics library | edition=3 | publisher=Birkhäuser | year=2006 | isbn=3-540-29692-1 | url=http://books.google.com/books?id=OvTjLcQ4MCQC&pg=PA41 }}. The radius (R<sub>*</sub>) is given by:
| |
| :<math>\begin{align} 2\cdot R_*
| |
| & = \frac{(83\cdot 3.24\cdot 10^{-3})\ \text{AU}}{0.0046491\ \text{AU}/R_{\bigodot}} \\
| |
| & \approx 58\cdot R_{\bigodot}
| |
| \end{align}</math></ref>
| |
| | |
| }}
| |
| | |
| ==External links==
| |
| * [http://aladin.u-strasbg.fr/AladinPreview?-c=23+09+26.7971-21+10+20.675&ident=*++88+Aqr&submit=Aladin+previewer Image 88 Aquarii]
| |
| * [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=88+Aquarii&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad]
| |
| | |
| {{Stars of Aquarius}}
| |
| | |
| [[Category:Bayer objects|Aquarii, c2]]
| |
| [[Category:Flamsteed objects|Aquarii, 88]]
| |
| [[Category:Stars with proper names]]
| |
| [[Category:Henry Draper Catalogue objects|218594]]
| |
| [[Category:Aquarius (constellation)]]
| |
| [[Category:K-type giants]]
| |
The name of the writer is Jayson. Since he was 18 he's been working as an information officer but he ideas on altering it. To play lacross is some thing I really appreciate performing. For a while I've been in Mississippi but now I'm considering other options.
Also visit my web site ... online reader [visit my homepage]