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{{Starbox begin
| name = ζ Scuti
}}{{Starbox image
|image={{Location mark
|image=Scutum constellation map.svg|alt=|float=center|width=280
|label=|position=right
|mark=Red circle.svg|mark_width=10|mark_link=Zeta Scuti
|x=737|y=424
}}
|caption=Location of ζ Scuti (circled)
}}{{Starbox observe
| epoch = J2000
| constell = Scutum
| ra = {{RA|18|23|39.58309}}
| dec = {{DEC|-8|56|03.7885}}
| appmag_v = 4.66[1]
}}{{Starbox character
| class={{nowrap|G9 IIIb Fe-0.5}}[4]
| b-v = +0.94[2]
| u-b = +0.72[2]
}}{{Starbox astrometry
| radial_v = −5.02[3]
| prop_mo_ra = +49.59
| prop_mo_dec = +51.24
| parallax = 15.78
| p_error = 1.02
| parallax_footnote =
| absmag_v = 0.66[1]
}}{{Starbox orbit
|reference=[4]
| primary=ζ Scuti A
| name=ζ Scuti B
| period_unitless=2373.7 days
| axis_unitless=21.6 mas
| inclination=89
| node=226
| periastron=2418278.3
| eccentricity=0.1
| periarg=242.1
}}{{Starbox detail
| mass = 1.29[5]
| radius = 9.3[5]
| temperature = 4,750[6]
| luminosity = 62.04[1]
| rotational_velocity = 1.5[7]
| gravity = 2.61[5]
| metal_fe = −0.08[1]
}}{{Starbox catalog
| names = {{odlist | B=ζ Sct | BD=−09° 4712 | HD=169156 | HIP=90135 | HR=6884 | SAO=142267 | GC=25101 | GSC=05690-01263 }}
}}{{Starbox reference
| Simbad = Zeta+Scuti
}}{{Starbox end}}Zeta Scuti, Latinized from ζ Scuti, is the Bayer designation for a star in the southern constellation of Scutum. It is a faint star but visible to the naked eye with an apparent magnitude of 4.66.[1] The distance to this star, as determined via parallax measurement, is around 210 light years. It is moving closer to the Sun with a radial velocity of −5 km/s.[3]This is an astrometric binary system with a period of 6.5 years (2,374 days) and an orbital eccentricity of 0.10.[4] The visible component is an aging giant star of type G with a stellar classification of G9 IIIb Fe−0.5.[4] The suffix notation indicates the spectrum displays a mild underabundance of iron. It has 1.29 times the mass of the Sun and has expanded to 9.3 times the Sun's radius.[5] The star is radiating 62[1] times the Sun's luminosity from its enlarged photosphere at an effective temperature of 4,750 K.[6] References1. ^1 2 3 4 5 {{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
2. ^1 {{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
3. ^1 {{cite journal | bibcode=2004A&A...424..727P | doi=10.1051/0004-6361:20041213 | arxiv=astro-ph/0406573 | title=SB9: The ninth catalogue of spectroscopic binary orbits | journal=Astronomy and Astrophysics | volume=424 | issue=2 | pages=727 | year=2004 | last1=Pourbaix | first1=D. | last2=Tokovinin | first2=A. A. | last3=Batten | first3=A. H. | last4=Fekel | first4=F. C. | last5=Hartkopf | first5=W. I. | last6=Levato | first6=H. | last7=Morrell | first7=N. I. | last8=Torres | first8=G. | last9=Udry | first9=S. }}
4. ^{{cite journal|title=Astrometric orbits of SB9 stars|author1=Jancart, S.|journal=Astronomy and Astrophysics|volume=442|issue=1|pages=365–380|date=2005|bibcode=2005A&A...442..365J|doi=10.1051/0004-6361:20053003|arxiv=astro-ph/0507695}}
5. ^1 2 3 {{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
6. ^1 {{cite journal | bibcode=2008AstL...34..785G | doi=10.1134/S1063773708110078 | arxiv=1607.00619 | title=Red giant clump in the Tycho-2 catalogue | journal=Astronomy Letters | volume=34 | issue=11 | pages=785 | year=2009 | last1=Gontcharov | first1=G. A. }} Vizier catalog entry
7. ^{{cite journal | bibcode=2014A&A...561A.126D | doi=10.1051/0004-6361/201220762 | arxiv=1312.3474 | title=A catalog of rotational and radial velocities for evolved stars | journal=Astronomy & Astrophysics | volume=561 | pages=A126 | year=2014 | last1=De Medeiros | first1=J. R. | last2=Alves | first2=S. | last3=Udry | first3=S. | last4=Andersen | first4=J. | last5=Nordström | first5=B. | last6=Mayor | first6=M. }} Vizier catalog entry
8. ^1 2 3 {{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 | postscript=. |arxiv = 0806.2878 }}
}}{{Stars of Scutum}} 8 : G-type giants|Astrometric binaries|Bayer objects|Scutum (constellation)|Durchmusterung objects|Henry Draper Catalogue objects|Hipparcos objects|HR objects |