| 词条 | Iota Microscopii |
| 释义 |
| name = ι Microscopii }}{{Starbox image |image={{Location mark |image=Microscopium constellation map.svg|alt=|float=center|width=240 |label=|position=right |mark=Red circle.svg|mark_width=10|mark_link=Iota Microscopii |x=694|y=1010 }} |caption=Location of ι Microscopii (circled) }}{{Starbox observe | epoch = J2000 | constell = Microscopium | ra = {{RA|20|48|29.13901}}[1] | dec = {{DEC|-43|59|18.7397}}[1] | appmag_v = 5.11[2] }}{{Starbox character | class = F1IV[3] | b-v = +0.35[4] | u-b = +0.04[5] }}{{Starbox astrometry | radial_v = -14.90[6] | prop_mo_ra = +172.34[1] | prop_mo_dec = -109.61[1] | parallax = 28.23 | p_error = 0.99 | parallax_footnote = [1] | absmag_v = 2.05[2] }}{{Starbox detail | mass = 1.67[7] | radius = 2.4[7] | temperature = 6,997[8] | luminosity = 12.65[2] | rotational_velocity = 84[3] | gravity = 3.90[8] | metal_fe = -0.03[2] }}{{Starbox catalog | names = CD-44 14145, CCDM J20485-4359A, FK5 1542, GC 28980, GJ 9708, HIP 102693, HR 7943, HD 197937, SAO 230379, WDS J20485-4359A }}{{Starbox reference | Simbad = Iota+Microscopii }}{{Starbox end}}Iota Microscopii (ι Mic) is a class F1IV[3] (yellow-white subgiant) star in the constellation Microscopium. Its apparent magnitude is 5.11[2] and it is approximately 116 light years away based on parallax.[1] It has one companion, first observed in 1932, with a separation of 4.3" and a visual magnitude of 15.5.[9] References1. ^1 2 3 4 5 {{cite journal | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653 | year=2007 | last1=Van Leeuwen | first1=F. }} Vizier catalog entry {{Stars of Microscopium}}{{Subgiant-star-stub}}2. ^1 2 3 4 {{cite journal | bibcode=2012AstL...38..331A | doi=10.1134/S1063773712050015 | arxiv=1108.4971 | title=XHIP: An extended hipparcos compilation | journal=Astronomy Letters | volume=38 | issue=5 | pages=331 | year=2012 | last1=Anderson | first1=E. | last2=Francis | first2=Ch. }} Vizier catalog entry 3. ^1 2 {{cite journal | bibcode=1995yCat.5050....0H | title=VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) | journal=VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H | volume=5050 | author1=Hoffleit | first1=D. | last2=Warren | first2=W. H. | year=1995 }} 4. ^{{cite journal | bibcode=2014JAVSO..42..443M | title=Sloan Magnitudes for the Brightest Stars | journal=The Journal of the American Association of Variable Star Observers | volume=42 | pages=443 | author1=Mallama | first1=A. | year=2014 }}Vizier catalog entry 5. ^{{cite journal | bibcode=2006yCat.2168....0M | title=VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991) | journal=VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie | volume=2168 | author1=Mermilliod | first1=J. C. | year=2006 }}Vizier catalog entry 6. ^{{Cite journal | doi=10.1134/S1063773706110065 | bibcode=2006AstL...32..759G| title=Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system| journal=Astronomy Letters| volume=32| issue=11| pages=759| year=2006| last1=Gontcharov| first1=G. A.|arxiv = 1606.08053 }} 7. ^1 {{cite journal | bibcode=1999A&A...352..555A | arxiv=astro-ph/9911002 | title=Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures | journal=Astronomy and Astrophysics | volume=352 | pages=555 | author1=Allende Prieto | first1=C. | last2=Lambert | first2=D. L. | year=1999 }} Vizier catalog entry 8. ^1 {{cite journal | bibcode=2015ApJ...804..146D | doi=10.1088/0004-637X/804/2/146 | arxiv=1501.03154 | title=The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets | journal=The Astrophysical Journal | volume=804 | issue=2 | pages=146 | year=2015 | last1=David | first1=Trevor J. | last2=Hillenbrand | first2=Lynne A. }} Vizier catalog entry 9. ^{{cite journal | bibcode=2001AJ....122.3466M | doi=10.1086/323920 | title=The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog | journal=The Astronomical Journal | volume=122 | issue=6 | pages=3466 | year=2001 | last1=Mason | first1=Brian D. | last2=Wycoff | first2=Gary L. | last3=Hartkopf | first3=William I. | last4=Douglass | first4=Geoffrey G. | last5=Worley | first5=Charles E. }} Vizier catalog entry 8 : Microscopium|F-type subgiants|Bayer objects|Durchmusterung objects|Hipparcos objects|HR objects|Henry Draper Catalogue objects|Gliese and GJ objects |
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