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{{Starbox begin |
{{Starbox begin
name=HR 9038 A/B/C }}
| name=HR 9038 A/B/C
}}
{{Starbox observe |
{{Starbox observe
epoch=2000 |
| epoch=2000
constell= Cepheus |
| constell= Cepheus
| ra={{RA|23|52|25.31799}}<ref name=aaa474_2_653/>
ra=23<sup>h</sup> 52<sup>m</sup> 25.3<sup>s</sup> |
dec=+75° 32' 40.6" |
| dec={{DEC|+75|32|40.5141}}<ref name=aaa474_2_653/>
appmag_v=6.40/11.7/? }}
| appmag_v=6.40<ref name="MERMILLIOD"/>/11.7/?
}}
{{Starbox character |
{{Starbox character
class=K3 V/M2/? |
| class=K3&nbsp;V<ref name=aj132_1_161/> + M2 + ?
r-i=0.5 |
b-v=0.98 color |
| r-i=0.5
| b-v=0.98<ref name="MERMILLIOD"/>
u-b=0.71 color |
| u-b=0.70<ref name="MERMILLIOD"/>
variable=None }}
| variable=
{{Starbox astrometry |
}}
radial_v=+1.7 |
{{Starbox astrometry
prop_mo_ra=341.82 |
| radial_v=+4.60<ref name="Gontcharov">{{cite doi|10.1134/S1063773706110065}}</ref>
prop_mo_dec=41.88 |
| prop_mo_ra=341.01<ref name=aaa474_2_653/>
parallax=92.76 |
| prop_mo_dec=41.50<ref name=aaa474_2_653/>
p_error=0.54 |
| parallax=91.82
space_v_u=-14 |
| p_error=0.30
space_v_v=-6 |
| parallax_footnote = <ref name=aaa474_2_653/>
space_v_w=0 |
absmag_v=6.33/11.6/? }}
| absmag_v=
}}
{{Starbox catalog |
{{Starbox detail
names=[[Bonner Durchmusterung|BD]]+74&nbsp;1047, [[Gliese-Jahreiss catalogue|GJ]]&nbsp;909, [[Nearby Stars Database|NStars]]&nbsp;2352+7532, YPC&nbsp;5772
| component1=HR 9038

| temperature=4,660 ± 110<ref name=aaa420_183/>
'''HR 9038 A'''
| gravity=4.71 ± 0.04<ref name=aaa420_183/>

| metal_fe=6.62<ref name=aaa420_183/>
[[Henry L. Giclas catalogue|Giclas]]&nbsp;242-042, [[Henry Draper Catalogue|HD]]&nbsp;223778, [[Hipparcos catalogue|HIP]]&nbsp;117712, [[Bright Star Catalogue|HR]]&nbsp;9038
}}
}}
{{Starbox catalog
| names=[[Bonner Durchmusterung|BD]]+74&nbsp;1047, [[Gliese-Jahreiss catalogue|GJ]]&nbsp;909
| component1=HR 9038 A
| names1=[[Henry Draper Catalogue|HD]]&nbsp;223778, [[Hipparcos catalogue|HIP]]&nbsp;117712, [[Bright Star Catalogue|HR]]&nbsp;9038, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]] 10879
}}
{{Starbox end}}
{{Starbox end}}


'''HR 9038''' is a [[trinary star|ternary star system]] located thirty-five light-years away, in the constellation [[Cepheus (constellation)|Cepheus]]. The A component is an orange, [[main sequence]] (K3 V) star. The B component is a [[red dwarf]] (M2).
'''HR 9038''' is a [[trinary star|ternary star system]] located thirty-five light-years away, in the constellation [[Cepheus (constellation)|Cepheus]]. The A component is an orange, [[main sequence]] (K3 V) star. The B component is a [[red dwarf]] (M2).

==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
| arxiv = 0708.1752 | postscript=.
}}</ref>

<ref name=aaa420_183>{{citation
| display-authors=1
| last1=Allende Prieto | first1=C.
| last2=Barklem | first2=P. S.
| last3=Lambert | first3=D. L.
| last4=Cunha | first4=K.
| title=S<sup>4</sup>N: A spectroscopic survey of stars in the solar neighborhood. The Nearest 15 pc
| journal=Astronomy and Astrophysics
| volume=420 | pages=183–205 | date=June 2004
| doi=10.1051/0004-6361:20035801 | bibcode=2004A&A...420..183A
| arxiv = astro-ph/0403108 | postscript=.
}}</ref>

<ref name=aj132_1_161>{{citation
| display-authors=1
| last1=Gray | first1=R. O.
| last2=Corbally | first2=C. J.
| last3=Garrison | first3=R. F.
| last4=McFadden | first4=M. T.
| last5=Bubar | first5=E. J.
| last6=McGahee | first6=C. E.
| last7=O'Donoghue | first7=A. A.
| last8=Knox | first8=E. R.
| title=Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample
| journal=[[The Astronomical Journal]] | volume=132 | issue=1
| pages=161–170 | date=July 2006
| doi=10.1086/504637 | bibcode=2006AJ....132..161G
| arxiv=astro-ph/0603770 | postscript=.
}}</ref>

<ref name="MERMILLIOD">{{citation
| last1=Mermilliod | first1=J.-C.
| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished)
| journal=Catalogue of Eggen's UBV data. SIMBAD
| year=1986 | bibcode=1986EgUBV........0M | postscript=.
}}</ref>

}}


== External links ==
== External links ==

Revision as of 15:00, 3 April 2015

HR 9038 A/B/C
Observation data
Epoch 2000      Equinox 2000
Constellation Cepheus
Right ascension 23h 52m 25.31799s[1]
Declination +75° 32′ 40.5141″[1]
Apparent magnitude (V) 6.40[2]/11.7/?
Characteristics
Spectral type K3 V[3] + M2 + ?
U−B color index 0.70[2]
B−V color index 0.98[2]
R−I color index 0.5
Astrometry
Radial velocity (Rv)+4.60[4] km/s
Proper motion (μ) RA: 341.01[1] mas/yr
Dec.: 41.50[1] mas/yr
Parallax (π)91.82 ± 0.30 mas[1]
Distance35.5 ± 0.1 ly
(10.89 ± 0.04 pc)
Details
HR 9038
Surface gravity (log g)4.71 ± 0.04[5] cgs
Temperature4,660 ± 110[5] K
Metallicity [Fe/H]6.62[5] dex
Other designations
BD+74 1047, GJ 909
HR 9038 A: HD 223778, HIP 117712, HR 9038, SAO 10879

HR 9038 is a ternary star system located thirty-five light-years away, in the constellation Cepheus. The A component is an orange, main sequence (K3 V) star. The B component is a red dwarf (M2).

References

  1. ^ a b c d e van Leeuwen, F. (November 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.
  2. ^ a b c Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV data. SIMBAD, Bibcode:1986EgUBV........0M.
  3. ^ Gray, R. O.; et al. (July 2006), "Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample", The Astronomical Journal, 132 (1): 161–170, arXiv:astro-ph/0603770, Bibcode:2006AJ....132..161G, doi:10.1086/504637.
  4. ^ Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi:10.1134/S1063773706110065, please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi=10.1134/S1063773706110065 instead.
  5. ^ a b c Allende Prieto, C.; et al. (June 2004), "S4N: A spectroscopic survey of stars in the solar neighborhood. The Nearest 15 pc", Astronomy and Astrophysics, 420: 183–205, arXiv:astro-ph/0403108, Bibcode:2004A&A...420..183A, doi:10.1051/0004-6361:20035801.

External links