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G Scorpii (G Sco) is a star in the constellation Scorpius. It is an orange K-type giant with an apparent magnitude of +3.19. It is approximately 126 light years from Earth. The measured angular diameter of the primary star is 3.94 ± 0.21 mas. At the estimated distance of this system, this yields a physical size of about 16 times the radius of the Sun.

Just 8.5 arcminutes to the east is the globular cluster NGC 6441.

It was formerly known as "Gamma Telescopii" (γ Tel) and "Fuyue" （傅說） in ancient China.

See also

• WěiXiu （尾宿）

References

1. ^ 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. ^ Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99), Bibcode:1966CoLPL...4...99J.
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. Wilson, Ralph Elmer (1953). General Catalogue of Stellar Radial Velocities. Washington: Carnegie Institution of Washington. Bibcode:1953QB901.W495.....{{cite book}}: CS1 maint: postscript (link)
5. ^ Stello, D.; et al. (2008), "Oscillating K Giants with the WIRE Satellite: Determination of Their Asteroseismic Masses", The Astrophysical Journal Letters, 674 (1): L53 – L56, arXiv:0801.2155, Bibcode:2008ApJ...674L..53S, doi:10.1086/528936.
6. ^ Lang, Kenneth R. (2006), Astrophysical formulae, Astronomy and astrophysics library, vol. 1 (3rd ed.), Birkhäuser, ISBN 3540296921. The radius (R_*) is given by:

   ${\displaystyle {\begin{aligned}2\cdot R_{*}&={\frac {(38.6\cdot 3.94\cdot 10^{-3})\ {\text{AU}}}{0.0046491\ {\text{AU}}/R_{\bigodot }}}\\&\approx 32.7\cdot R_{\bigodot }\end{aligned}}}$

7. Richichi, A.; Percheron, I.; Khristoforova, M. (February 2005), "CHARM2: An updated Catalog of High Angular Resolution Measurements", Astronomy and Astrophysics, 431: 773–777, Bibcode:2005A&A...431..773R, doi:10.1051/0004-6361:20042039

v t e Constellation of Scorpius
List of stars in Scorpius Scorpius in Chinese astronomy
Stars	Bayer α (Antares) β (Acrab) δ (Dschubba) ε (Larawag) ζ ζ η θ (Sargas) ι ι κ (Girtab) λ (Shaula) μ (Xamidimura) μ (Pipirima) ν (Jabbah) ξ ο π (Fang) ρ (Iklil) σ (Alniyat) τ (Paikauhale) υ (Lesath) χ ψ ω ω G (Fuyue) H (β Nor) N (α Nor) Q Flamsteed 1 (b) 2 (A) 3 4 11 12 (c) 13 (c) 16 18 22 (i) 25 27 Variable T U RR RS RV RY RZ AH AI AK AR BM CL FQ HK KQ V393 V453 V455 V482 V500 V636 V701 V703 V718 V728 V745 V760 V856 V861 V866 V884 V893 V900 V905 V906 V907 V911 V913 V915 V918 V919 V921 V922 V923 V929 V933 V949 V951 V952 V957 V965 V970 V973 V975 V992 V1003 V1007 V1018 V1026 V1033 V1034 V1036 V1040 V1051 V1058 V1068 V1073 (k) V1074 V1075 V1077 V1094 V1104 V1186 V1187 V1280 V1292 V1294 V1309 HR 5906 5910 5934 5965 5969 5973 5996 5998 5999 6000 6001 6003 6006 6007 6012 6015 6017 6044 6051 6053 6054 6061 6070 (d) 6076 6077 6078 6080 6094 6097 6100 6106 6122 6145 6160 6178 6192 6206 6209 6210 6211 6214 6218 6221 6244 6260 6266 6272 6273 6282 6298 6311 6316 6331 6338 6344 6366 6371 6381 6382 6389 6398 6403 6405 6409 6420 6454 6456 6460 6470 6501 6503 6517 6523 6539 6557 6558 6583 6587 6597 6613 6628 6643 6648 6649 6651 6653 6657 6658 6668 6671 6675 6678 6682 6683 HD 143567 144432 145377 146436 149274 150248 150420 152424 153234 153950 (Rapeto) 155448 155985 158042 159868 162020 Other Gliese 618 Gliese 667 Gliese 682 CD -35 11760 CD -38 10980 EPIC 204278916 EPIC 204376071 GCRT J1745−3009 GSC 06214-00210 GX 340+0 GX 349+2 H1-36 H1743-322 HIP 79431 (Sharjah) IGR J17091-3624 IGR J17252−3616 IRAS 17163−3907 K2-24 K2-33 LSS 4067 MOA-2008-BLG-310L MXB 1735-44 OAO 1657-415 OGLE-2005-BLG-071L OGLE-2005-BLG-390L OGLE-2006-BLG-109L Oph 162225-240515 Pismis 24-1 PSR B1620−26 PSR B1706−44 PSR B1737−30 PSR J1614−2230 Rapid Burster ROXs 12 1RXS J160929.1−210524 1RXS J170849.0−400910 Scorpius X-1 Th 28 Trumpler 27-1 Trumpler 27-27 Trumpler 27-28 Trumpler 27-102 Trumpler 27-105 4U 1700-37 4U 1702-42 4U 1705-44 4U 1724-307 4U 1728-34 4U 1746-371 UScoCTIO 108 VVV-WIT-07 WASP-17 (Dìwö) WR 86 WR 93b Wray 17-96 XTE J1720−318 XTE J1739−302 XTE J1751−305
Exoplanets HD 145377 b HD 153950 b HD 159868 b HIP 78530 b HIP 79431 b K2-24b c K2-33b OGLE-2005-BLG-071Lb OGLE-2005-BLG-390Lb OGLE-2007-BLG-368Lb PSR B1620−26 b (Methuselah) WASP-17b V921 Scorpii b
Star clusters	NGC 6124 6139 6144 6231 6242 6256 6281 6380 6388 6400 6441 6453 6480 6496 Other Messier 4 Messier 7 Messier 80 Trumpler 27
Nebulae	NGC 6072 6153 6302 6334 6337 6357
Galaxies	NGC 6000 Other PKS 1622-297 TXS 1545-234
Category

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• K-type giants
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