View source for Astronomy:Iota Piscis Austrini

{{Short description|Star in the constellation Piscis Austrinus}}
{{Starbox begin
 | name = ι Piscis Austrini
}}
{{Starbox image
 | image=
{{Location mark
|image=Piscis Austrinus constellation map.svg|alt=|float=center|width=260
|label=|position=right
|mark=Red circle.svg|mark_width=10|mark_link=ι Piscis Austrini
|x=774|y=488
}}
|caption=Location of ι Piscis Austrini (circled)
}}
{{Starbox observe
 | epoch = [[Astronomy:J2000.0|J2000.0]]
 | equinox = [[Astronomy:J2000.0|J2000.0]] ([[Astronomy:International Celestial Reference System|ICRS]])
 | constell = [[Astronomy:Piscis Austrinus|Piscis Austrinus]]
 | ra = {{RA|21|44|56.809}}<ref name=vanLeeuwen2007/>
 | dec = {{DEC|−33|01|32.82}}<ref name=vanLeeuwen2007/>
 | appmag_v = +4.35<ref name=Drilling1971/>
}}
{{Starbox character
 | class = A0&nbsp;V<ref name=Levato1972/> or A0&nbsp;III-IV<ref name=Anderson2012/>
 | b-v = −0.05<ref name=Drilling1971/>
 | u-b = −0.11<ref name=Drilling1971/>
 | r-i = 
 | variable = 
}}
{{Starbox astrometry
 | radial_v = 
 | prop_mo_ra = +31.10<ref name=vanLeeuwen2007/>
 | prop_mo_dec = −94.56<ref name=vanLeeuwen2007/>
 | parallax = 15.97
 | p_error = 0.17
 | parallax_footnote = <ref name=vanLeeuwen2007/>
 | absmag_v = +0.37<ref name=Anderson2012/>
}}
{{Starbox detail
 | source = 
 | mass = 
 | radius = 
 | luminosity = 87<ref name=Anderson2012/>
 | temperature = 9,330<ref name=dr2/>
 | gravity = 
 | metal_fe = 
 | rotational_velocity = 50<ref name=Levato1972/>
 | age_myr = 
}}
{{Starbox catalog
 | names      = [[Astronomy:Bayer designation|ι&nbsp;PsA]], [[Astronomy:Flamsteed designation|9&nbsp;Piscis Austrini]], [[Astronomy:Durchmusterung|CPD]]−33°&nbsp;6184, FK5&nbsp;814, HD&nbsp;206742, HIP&nbsp;107380, [[Astronomy:Bright Star Catalogue|HR]]&nbsp;8305, [[Astronomy:Smithsonian Astrophysical Observatory Star Catalog|SAO]]&nbsp;213258, [[Astronomy:Washington Double Star Catalog|WDS]]&nbsp;J21449-3302A<ref name=SIMBAD/>
}}
{{Starbox reference
 | Simbad = iot+PsA
}}
{{Starbox end}}
'''Iota Piscis Austrini''' ('''ι&nbsp;Piscis Austrini''') is a solitary,<ref name=Eggleton2008/> blue-white hued [[Astronomy:Star|star]] in the southern [[Astronomy:Constellation|constellation]] of [[Astronomy:Piscis Austrinus|Piscis Austrinus]]. It has an [[Astronomy:Apparent visual magnitude|apparent visual magnitude]] of +4.35<ref name=Drilling1971/> and is around 500&nbsp;light years from the [[Astronomy:Sun|Sun]]. This is an A-type main sequence star with a [[Astronomy:Stellar classification|stellar classification]] of A0&nbsp;V.<ref name=Levato1972/> It has a magnitude 11.4 visual companion located at an angular separation of 20&nbsp;[[Arc second|arc second]]s along a [[Astronomy:Position angle|position angle]] of 290°, as of 1910.<ref name=WDSC2014/>

Iota Piscis Austrini is moving through the Galaxy at a speed of 29.7&nbsp;km/s relative to the Sun. Its projected Galactic orbit carries it between 18,400 and 24,300 light years from the center of the Galaxy.<ref name=astrostudio>[http://www.astrostudio.org/xhip.php?hip=107380 Iota Piscis Austrini (HIP 107380)]</ref>{{Unreliable source?|date=May 2017}}

==Naming==
In [[Astronomy:Chinese astronomy|Chinese]], {{lang|zh|天錢}} ({{lang|zh-Latn|Tiān Qián}}), meaning ''Celestial Money'', refers to an asterism consisting of refers to an asterism consisting of ι Piscis Austrini 13 Piscis Austrini, [[Astronomy:Theta Piscis Austrini|θ Piscis Austrini]], [[Astronomy:Mu Piscis Austrini|μ Piscis Austrini]] and [[Astronomy:Tau Piscis Austrini|τ Piscis Austrini]]. Consequently, the [[Astronomy:Chinese star names|Chinese name]] for ι Piscis Austrini itself is {{lang|zh|天錢三}} ({{lang|zh-Latn|Tiān Qián sān}}, {{lang-en|the Third Star of Celestial Money}}.)<ref>{{in lang|zh}} [http://aeea.nmns.edu.tw/2006/0607/ap060705.html AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 5 日]</ref>

==References==
{{reflist|refs=

<ref name=dr2>{{cite DR2|6591574171318785664}}</ref>

<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 | s2cid=18759600 | 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 | s2cid=119257644 | postscript=. }}</ref>

<ref name=WDSC2014>{{citation
 | display-authors=1 | last1=Mason | first1=B. D.
 | last2=Wycoff | first2=G. L. | last3=Hartkopf | first3=W. I.
 | last4=Douglass | first4=G. G. | last5=Worley | first5=C. E.
 | title=The Washington Visual Double Star Catalog
 | journal=The Astronomical Journal | year=2014 | volume=122 | issue=6 | page=3466 | bibcode=2001AJ....122.3466M
 | url=http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds
 | accessdate=2015-07-22 | doi = 10.1086/323920 | doi-access=free }}</ref>

<ref name=Levato1972>{{citation
 | last1=Levato | first1=O. H. | postscript=.
 | title=Rotational Velocities and Spectral Types of Some A-Type Stars
 | journal=Publications of the Astronomical Society of the Pacific
 | volume=84 | issue=500 | page=584 | date=August 1972
 | doi=10.1086/129336 | bibcode=1972PASP...84..584L | s2cid=122833746 | doi-access=free }}</ref>

<ref name=Drilling1971>{{citation
 | title=UBV photometry of early-type stars in two regions at high galactic latitudes
 | last1=Drilling | first1=J. S.
 | journal=Astronomical Journal | postscript=.
 | volume=76 | page=1072 | date=December 1971
 | doi=10.1086/111221 | bibcode=1971AJ.....76.1072D }}</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 | s2cid=14878976 | postscript=. }}</ref>

<ref name=SIMBAD>{{citation
 | title=iot PsA -- Star
 | work=SIMBAD Astronomical Database
 | publisher=Centre de Données astronomiques de Strasbourg
 | url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=iot+PsA
 | accessdate=2017-05-18 | postscript=. }}</ref>

}}

{{Stars of Piscis Austrinus|state=collapsed}}

{{DEFAULTSORT:Iota Piscis Austrini}}
[[Category:B-type main-sequence stars]]
[[Category:Bayer objects|Piscis Austrini, Iota]]
[[Category:Piscis Austrinus]]
[[Category:Durchmusterung objects]]
[[Category:Flamsteed objects|Piscis Austrini, 09]]
[[Category:Hipparcos objects|107380]]
[[Category:Henry Draper Catalogue objects|206742]]
[[Category:Bright Star Catalogue objects|8305]]

{{Sourceattribution|Iota Piscis Austrini}}