HR 9038: Difference between revisions
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{{Starbox begin |
{{Starbox begin |
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| name=HR 9038 A/B/C |
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}} |
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{{Starbox observe |
{{Starbox observe |
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| epoch=2000 |
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| constell= Cepheus |
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| ra={{RA|23|52|25.31799}}<ref name=aaa474_2_653/> |
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ra=23<sup>h</sup> 52<sup>m</sup> 25.3<sup>s</sup> | |
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| dec={{DEC|+75|32|40.5141}}<ref name=aaa474_2_653/> |
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| appmag_v=6.40<ref name="MERMILLIOD"/>/11.7/? |
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}} |
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{{Starbox character |
{{Starbox character |
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class=K3 V/M2/? | |
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| class=K3 V<ref name=aj132_1_161/> + M2 + ? |
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r-i=0.5 | |
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| r-i=0.5 |
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| b-v=0.98<ref name="MERMILLIOD"/> |
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u-b=0.71 color | |
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| u-b=0.70<ref name="MERMILLIOD"/> |
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| variable= |
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}} |
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radial_v=+1.7 | |
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prop_mo_ra=341.82 | |
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| radial_v=+4.60<ref name="Gontcharov">{{cite doi|10.1134/S1063773706110065}}</ref> |
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prop_mo_dec=41.88 | |
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| prop_mo_ra=341.01<ref name=aaa474_2_653/> |
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| prop_mo_dec=41.50<ref name=aaa474_2_653/> |
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space_v_u=-14 | |
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space_v_v=-6 | |
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| parallax_footnote = <ref name=aaa474_2_653/> |
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space_v_w=0 | |
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| absmag_v= |
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}} |
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{{Starbox detail |
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| component1=HR 9038 |
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| temperature=4,660 ± 110<ref name=aaa420_183/> |
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'''HR 9038 A''' |
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| gravity=4.71 ± 0.04<ref name=aaa420_183/> |
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| metal_fe=6.62<ref name=aaa420_183/> |
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}} |
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| component1=HR 9038 A |
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}} |
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{{Starbox end}} |
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'''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). |
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==References== |
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{{reflist|refs= |
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<ref name=aaa474_2_653>{{citation |
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| first=F. | last=van Leeuwen |
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| date=November 2007 |
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| title=Validation of the new Hipparcos reduction |
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| journal=Astronomy and Astrophysics |
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| volume=474 | issue=2 | pages=653–664 |
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| bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 |
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| arxiv = 0708.1752 | postscript=. |
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}}</ref> |
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<ref name=aaa420_183>{{citation |
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| display-authors=1 |
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| last1=Allende Prieto | first1=C. |
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| last2=Barklem | first2=P. S. |
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| last3=Lambert | first3=D. L. |
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| last4=Cunha | first4=K. |
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| title=S<sup>4</sup>N: A spectroscopic survey of stars in the solar neighborhood. The Nearest 15 pc |
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| journal=Astronomy and Astrophysics |
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| volume=420 | pages=183–205 | date=June 2004 |
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| doi=10.1051/0004-6361:20035801 | bibcode=2004A&A...420..183A |
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| arxiv = astro-ph/0403108 | postscript=. |
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}}</ref> |
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<ref name=aj132_1_161>{{citation |
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| display-authors=1 |
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| last1=Gray | first1=R. O. |
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| last2=Corbally | first2=C. J. |
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| last3=Garrison | first3=R. F. |
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| last4=McFadden | first4=M. T. |
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| last5=Bubar | first5=E. J. |
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| last6=McGahee | first6=C. E. |
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| last7=O'Donoghue | first7=A. A. |
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| last8=Knox | first8=E. R. |
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| title=Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample |
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| journal=[[The Astronomical Journal]] | volume=132 | issue=1 |
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| pages=161–170 | date=July 2006 |
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| doi=10.1086/504637 | bibcode=2006AJ....132..161G |
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| arxiv=astro-ph/0603770 | postscript=. |
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}}</ref> |
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<ref name="MERMILLIOD">{{citation |
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| last1=Mermilliod | first1=J.-C. |
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| title=Compilation of Eggen's UBV data, transformed to UBV (unpublished) |
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| journal=Catalogue of Eggen's UBV data. SIMBAD |
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| year=1986 | bibcode=1986EgUBV........0M | postscript=. |
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}}</ref> |
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}} |
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== External links == |
== External links == |
Revision as of 15:00, 3 April 2015
Observation data Epoch 2000 Equinox 2000 | |
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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] |
Distance | 35.5 ± 0.1 ly (10.89 ± 0.04 pc) |
Details | |
HR 9038 | |
Surface gravity (log g) | 4.71 ± 0.04[5] cgs |
Temperature | 4,660 ± 110[5] K |
Metallicity [Fe/H] | 6.62[5] dex |
Other designations | |
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
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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. - ^ 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