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{{short description|Star in the constellation Scorpius}} {{short description|Star in the constellation Scorpius}}
{{pp|small=yes}}
{{Starbox begin {{Starbox begin
| name = Ryan Magee | name = G Scorpii
}} }}
{{Starbox image|image= {{Starbox image|image=
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|x=156|y=720 |x=156|y=720
}} }}
|caption=Location of Ryan Magee (circled) |caption=Location of G Scorpii (circled)
}} }}
{{Starbox observe {{Starbox observe
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| constell = ] | constell = ]
| ra = {{RA|17|49|51.48081}}<ref name=aaa474_2_653/> | ra = {{RA|17|49|51.48081}}<ref name=aaa474_2_653/>
| dec = {{DEC|&minus;37|02|35.8975}}<ref name=aaa474_2_653/> | dec = {{DEC|-37|02|35.8975}}<ref name=aaa474_2_653/>
| appmag_v = 3.21<ref name=clpl4_99/> | appmag_v = 3.21<ref name=clpl4_99/>
}} }}
{{Starbox character {{Starbox character
| type = ]<ref name="kallinger2019" />
| class = K2&nbsp;III<ref name=aj132_1_161/> | class = K2&nbsp;III<ref name=aj132_1_161/>
| b-v = +1.17<ref name=clpl4_99/> | b-v = +1.17<ref name=clpl4_99/>
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{{Starbox detail {{Starbox detail
| source = <ref name=kallinger2019/> | source = <ref name=kallinger2019/>
| mass = {{val|1.2|0.2}}<ref name=kallinger2019/> | mass = {{val|1.2|0.2}}
| radius = {{val|20|1}}<ref name=kallinger2019/> | radius = {{val|20|1}}
| luminosity = {{val|93|4}}<ref name=kallinger2019/> | luminosity = {{val|93|4}}
| gravity = 2.2<ref name=kallinger2019/> | gravity = 2.2
| temperature = {{val|4,535|125|fmt=commas}}<ref name=kallinger2019/> | temperature = {{val|4,535|125|fmt=commas}}
| metal_fe = {{val|-0.20}}<ref name=charbonnel2020/> | metal_fe = {{val|-0.20}}<ref name=charbonnel2020/>
| rotational_velocity = <1.0<ref name=demedeiros2014/> | rotational_velocity = <1.0<ref name=demedeiros2014/>
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}} }}
{{Starbox catalog {{Starbox catalog
| names = Fuyue, ]&nbsp;Sco, ]–37°11907, ]&nbsp;669, ]&nbsp;161892, ]&nbsp;87261, ]&nbsp;6630, ]&nbsp;209318 | names = {{odlist | name=Fuyue | B=G&nbsp;Sco, γ&nbsp;Tel | CD–37°11907 | FK5=669 | HD=161892 | HIP=87261 | HR=6630 | SAO=209318 }}
}} }}
{{Starbox reference {{Starbox reference
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}} }}
{{Starbox end}} {{Starbox end}}
'''G Scorpii''' (abbreviated '''G Sco'''), also named '''Fuyue''', is a ] in the ] of ]. It has an ] of +3.19. It is approximately 126 ]s from the ]. '''G Scorpii''' (abbreviated '''G Sco'''), also named '''Fuyue''',<!--Please do not add the alternative name "Ryan Magee" without citing a reliable source that is independent from SuperMegaCast and verifies the content - https://en.wikipedia.org/Help:Referencing_for_beginners --> is a ] in the ] of ]. It has an ] of +3.19. It is approximately 126 ]s from the ].


== Nomenclature == == Nomenclature ==
]]] ]]]
''G Scorpii'' (also known as Ryan Magee) is the star's ]. It was formerly situated in the constellation of ] where it was designated ''γ&nbsp;Telescopii'', ] to ''Gamma Telescopii''.<ref name=ridpath/> It was resited in Scorpius and redesignated G Scorpii by ].<ref name=wagman/> ''G Scorpii'' is the star's ]. It was formerly situated in the constellation of ] where it was designated ''γ&nbsp;Telescopii'', ] to ''Gamma Telescopii''.<ref name="ridpath" /> It was resited in Scorpius and redesignated G Scorpii by ]. On 30 June 2017 it was included in the List of IAU-approved Star Names.<ref name="IAU-LSN" />


⚫ G Scorpii bore the ] ''Fuyue'' ({{zh|s=傅说|t=傅說}}) in ancient ]. ] was a former slave that became a high-ranking minister to ] ruler ].
In 2016, the IAU organized a ] (WGSN)<ref name="WGSN"/> to catalog and standardize proper names for stars. The WGSN approved the name ''Fuyue'' for this star on 30 June 2017 and it is now so included in the List of IAU-approved Star Names.<ref name="IAU-LSN"/>

⚫ Ryan Magee bore the ] ''Fuyue'' ({{zh|s=傅说|t=傅說}}）in ancient ]. ] was a former slave that became a high-ranking minister to ] ruler ]. G Scorpii is a member of the ] mansion ({{lang|zh|尾宿}}, ]: {{lang|zh-Latn|Wěi Xiù}}), one of the ] of the ].{{cn|date=May 2020}}


== Properties == == Properties ==


Ryan Magee is an orange ] ]. The measured ] is {{nowrap|3.94 ± 0.21 ]}}.<ref name=aaa431_773/> At the estimated distance of this system, this yields a physical size of about 16 times the ].<ref name=lang2006/> Calculations based on its physical properties give a diameter if about {{solar radius|20}}. With an ] of {{val|4,535|fmt=commas|ul=K}}, it has a ] of {{solar luminosity|93|link=y}}.<ref name=kallinger2019/> G Scorpii is an orange ] ]. The measured ] is {{val|3.94|0.21|ul=mas}}.<ref name=aaa431_773/> At the estimated distance of this system, this yields a physical size of about 16 times the ].<ref name=lang2006/> Calculations based on its physical properties give a diameter of about {{solar radius|20}}. With an ] of {{val|4,535|fmt=commas|ul=K}}, it has a ] of {{solar luminosity|93|link=y}}.<ref name=kallinger2019/>


Evolutionary models show that Ryan Magee has probably left the ] and is now fusing helium in its core. This makes it a ] star, at the cool end of the ].<ref name=kallinger2019/> Evolutionary models show that G Scorpii has probably left the ] and is now fusing helium in its core. This makes it a ] star, at the cool end of the ].<ref name=kallinger2019/>


Just 5 ] to the east is the ] ].<ref name=omeara2013/> At magnitude 3.2, G Scorpii is around 40 times brighter than the entire globular cluster. Just 5 ] to the east is the ] ].<ref name=omeara2013/> At magnitude 3.2, G Scorpii is around 40 times brighter than the entire globular cluster.


<!--
⚫ ==References==
Please do not add an "In popular culture" section about the alternative name "Ryan Magee" without citing a reliable source that is independent from SuperMegaCast and verifies the content - https://en.wikipedia.org/Wikipedia:%22In_popular_culture%22_content
-->
⚫ == References ==
{{reflist|refs= {{reflist|refs=


<ref name="IAU-LSN">{{citation | url=https://www.iau.org/public/themes/naming_stars/ | title=Naming Stars |publisher=IAU.org |accessdate=16 December 2017 |postscript=.}}</ref> <ref name="IAU-LSN">{{citation | url=https://www.iau.org/public/themes/naming_stars/ | title=Naming Stars |publisher=IAU.org |access-date=16 December 2017 |postscript=.}}</ref>


<ref name="WGSN">{{citation | url=https://www.iau.org/science/scientific_bodies/working_groups/280/ | title=IAU Working Group on Star Names (WGSN)|accessdate=22 May 2016 |postscript=.}}</ref> <!--<ref name="WGSN">{{citation | url=https://www.iau.org/science/scientific_bodies/working_groups/280/ | title=IAU Working Group on Star Names (WGSN)|access-date=22 May 2016 |postscript=.}}</ref>


<ref name=wagman>{{citation | last = Wagman | first = Morton | year = 2003 | title = Lost Stars: Lost, Missing and Troublesome Stars from the Catalogues of Johannes Bayer, Nicholas Louis de Lacaille, John Flamsteed, and Sundry Others | publisher = The McDonald & Woodward Publishing Company | location = Blacksburg, Virginia | bibcode = 2003lslm.book.....W | isbn = 978-0-939923-78-6 | postscript=.}}</ref> <ref name=wagman>{{citation | last = Wagman | first = Morton | year = 2003 | title = Lost Stars: Lost, Missing and Troublesome Stars from the Catalogues of Johannes Bayer, Nicholas Louis de Lacaille, John Flamsteed, and Sundry Others | publisher = The McDonald & Woodward Publishing Company | location = Blacksburg, Virginia | bibcode = 2003lslm.book.....W | isbn = 978-0-939923-78-6 | postscript=.}}</ref> -->


<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 | postscript=. |arxiv = 0708.1752}}</ref> <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 | postscript=. |arxiv = 0708.1752| s2cid=18759600 }}</ref>


<ref name=Cardini2005>{{citation | title=Mg II chromospheric radiative loss rates in cool active and quiet stars | last1=Cardini | first1=D. | postscript=. | journal=Astronomy and Astrophysics | volume=430 | pages=303–311 | date=January 2005 | doi=10.1051/0004-6361:20041440 | bibcode=2005A&A...430..303C |arxiv = astro-ph/0409683}}</ref> <ref name=Cardini2005>{{citation | title=Mg II chromospheric radiative loss rates in cool active and quiet stars | last1=Cardini | first1=D. | postscript=. | journal=Astronomy and Astrophysics | volume=430 | pages=303–311 | date=January 2005 | doi=10.1051/0004-6361:20041440 | bibcode=2005A&A...430..303C |arxiv = astro-ph/0409683| s2cid=12136256 }}</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=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 | s2cid=119476992 | postscript=.}}</ref>


<ref name=gcsrv>{{cite book | last=Wilson | first=Ralph Elmer | date=1953 | title=General Catalogue of Stellar Radial Velocities | publisher=] | location=Washington | bibcode=1953GCRV..C......0W}}</ref> <ref name=gcsrv>{{cite journal | last=Wilson | first=Ralph Elmer | date=1953 | title=General Catalogue of Stellar Radial Velocities | journal=Carnegie Institute Washington D.C. Publication | publisher=] | location=Washington | bibcode=1953GCRV..C......0W}}</ref>


<ref name=clpl4_99>{{citation | display-authors=1 | last1=Johnson | first1=H. L. | last2=Iriarte | first2=B. | last3=Mitchell | first3=R. I. | last4=Wisniewskj | first4=W. Z. | title=UBVRIJKL photometry of the bright stars | journal=Communications of the Lunar and Planetary Laboratory | volume=4 | issue=99 | pages=99 | date=1966 | bibcode=1966CoLPL...4...99J | postscript=.}}</ref> <ref name=clpl4_99>{{citation | display-authors=1 | last1=Johnson | first1=H. L. | last2=Iriarte | first2=B. | last3=Mitchell | first3=R. I. | last4=Wisniewskj | first4=W. Z. | title=UBVRIJKL photometry of the bright stars | journal=Communications of the Lunar and Planetary Laboratory | volume=4 | issue=99 | pages=99 | date=1966 | bibcode=1966CoLPL...4...99J | postscript=.}}</ref>
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\end{align}</math></ref> \end{align}</math></ref>


<ref name=kallinger2019>{{citation |bibcode=2019A&A...624A..35K |title=Stellar masses from granulation and oscillations of 23 bright red giants observed by BRITE-Constellation |last1=Kallinger |first1=T. |last2=Beck |first2=P. G. |last3=Hekker |first3=S. |last4=Huber |first4=D. |last5=Kuschnig |first5=R. |last6=Rockenbauer |first6=M. |last7=Winter |first7=P. M. |last8=Weiss |first8=W. W. |last9=Handler |first9=G. |last10=Moffat |first10=A. F. J. |last11=Pigulski |first11=A. |last12=Popowicz |first12=A. |last13=Wade |first13=G. A. |last14=Zwintz |first14=K. |journal=Astronomy and Astrophysics |year=2019 |volume=624 |pages=A35 |doi=10.1051/0004-6361/201834514 |arxiv=1902.07531 |postscript=.}}</ref> <ref name=kallinger2019>{{citation |bibcode=2019A&A...624A..35K |title=Stellar masses from granulation and oscillations of 23 bright red giants observed by BRITE-Constellation |last1=Kallinger |first1=T. |last2=Beck |first2=P. G. |last3=Hekker |first3=S. |last4=Huber |first4=D. |last5=Kuschnig |first5=R. |last6=Rockenbauer |first6=M. |last7=Winter |first7=P. M. |last8=Weiss |first8=W. W. |last9=Handler |first9=G. |last10=Moffat |first10=A. F. J. |last11=Pigulski |first11=A. |last12=Popowicz |first12=A. |last13=Wade |first13=G. A. |last14=Zwintz |first14=K. |journal=Astronomy and Astrophysics |year=2019 |volume=624 |pages=A35 |doi=10.1051/0004-6361/201834514 |arxiv=1902.07531 |s2cid=102486794 |postscript=.}}</ref>


<ref name=charbonnel2020>{{citation |bibcode=2020A&A...633A..34C |title=Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era |last1=Charbonnel |first1=C. |last2=Lagarde |first2=N. |last3=Jasniewicz |first3=G. |last4=North |first4=P. L. |last5=Shetrone |first5=M. |last6=Krugler Hollek |first6=J. |last7=Smith |first7=V. V. |last8=Smiljanic |first8=R. |last9=Palacios |first9=A. |last10=Ottoni |first10=G. |journal=Astronomy and Astrophysics |year=2020 |volume=633 |pages=A34 |doi=10.1051/0004-6361/201936360 |arxiv=1910.12732 |postscript=.}}</ref> <ref name=charbonnel2020>{{citation |bibcode=2020A&A...633A..34C |title=Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era |last1=Charbonnel |first1=C. |last2=Lagarde |first2=N. |last3=Jasniewicz |first3=G. |last4=North |first4=P. L. |last5=Shetrone |first5=M. |last6=Krugler Hollek |first6=J. |last7=Smith |first7=V. V. |last8=Smiljanic |first8=R. |last9=Palacios |first9=A. |last10=Ottoni |first10=G. |journal=Astronomy and Astrophysics |year=2020 |volume=633 |pages=A34 |doi=10.1051/0004-6361/201936360 |arxiv=1910.12732 |s2cid=204907220 |postscript=.}}</ref>


<ref name=demedeiros2014>{{citation |bibcode=2014A&A...561A.126D |title=A catalog of rotational and radial velocities for evolved stars. V. Southern stars |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. |journal=Astronomy and Astrophysics |year=2014 |volume=561 |pages=A126 |doi=10.1051/0004-6361/201220762 |arxiv=1312.3474 |postscript=.}}</ref> <ref name=demedeiros2014>{{citation |bibcode=2014A&A...561A.126D |title=A catalog of rotational and radial velocities for evolved stars. V. Southern stars |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. |journal=Astronomy and Astrophysics |year=2014 |volume=561 |pages=A126 |doi=10.1051/0004-6361/201220762 |arxiv=1312.3474 |s2cid=54046583 |postscript=.}}</ref>


<ref name=omeara2013>{{citation | postscript=. | first1=Stephen James | last1=O'Meara | title=Deep-Sky Companions: Southern Gems | publisher=] | year=2013 | isbn=978-1139851541 | pages=360–363 | url=https://books.google.com/books?id=BoIsCgAAQBAJ&pg=PA360 | bibcode=2013dcsg.book.....O}}</ref> <ref name=omeara2013>{{citation | postscript=. | first1=Stephen James | last1=O'Meara | title=Deep-Sky Companions: Southern Gems | publisher=] | year=2013 | isbn=978-1139851541 | pages=360–363 | url=https://books.google.com/books?id=BoIsCgAAQBAJ&pg=PA360 | bibcode=2013dcsg.book.....O}}</ref>


<ref name=ridpath>{{citation |url=http://www.ianridpath.com/startales/telescopium.htm |title=Telescopium |website=Star Tales |author=Ian Ridpath |author-link=Ian Ridpath |accessdate=2020-05-23 |postscript=.}}</ref> <ref name=ridpath>{{citation |url=http://www.ianridpath.com/startales/telescopium.htm |title=Telescopium |website=Star Tales |author=Ian Ridpath |author-link=Ian Ridpath |access-date=2020-05-23 |postscript=.}}</ref>


}} }}
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Latest revision as of 21:04, 12 January 2025

Star in the constellation Scorpius

G Scorpii
Location of G Scorpii (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Scorpius
Right ascension 17 49 51.48081
Declination −37° 02′ 35.8975″
Apparent magnitude (V) 3.21
Characteristics
Evolutionary stage horizontal branch
Spectral type K2 III
U−B color index +1.19
B−V color index +1.17
Astrometry
Radial velocity (Rv)+24.7 km/s
Proper motion (μ) RA: 40.59 mas/yr
Dec.: 27.24 mas/yr
Parallax (π)25.92 ± 0.15 mas
Distance125.8 ± 0.7 ly
(38.6 ± 0.2 pc)
Absolute magnitude (MV)+0.24
Details
Mass1.2±0.2 M☉
Radius20±1 R☉
Luminosity93±4 L☉
Surface gravity (log g)2.2 cgs
Temperature4,535±125 K
Metallicity −0.20 dex
Rotational velocity (v sin i)<1.0 km/s
Other designations
Fuyue, G Sco, γ Tel, FK5 669, HD 161892, HIP 87261, HR 6630, SAO 209318
Database references
SIMBADdata

G Scorpii (abbreviated G Sco), also named Fuyue, is a giant star in the constellation of Scorpius. It has an apparent magnitude of +3.19. It is approximately 126 light-years from the Sun.

Nomenclature

G Scorpii below and right (ie. west) of NGC 6441

G Scorpii is the star's Bayer designation. It was formerly situated in the constellation of Telescopium where it was designated γ Telescopii, Latinised to Gamma Telescopii. It was resited in Scorpius and redesignated G Scorpii by Benjamin Apthorp Gould. On 30 June 2017 it was included in the List of IAU-approved Star Names.

G Scorpii bore the traditional name Fuyue (simplified Chinese: 傅说; traditional Chinese: 傅說) in ancient China. Fu Yue was a former slave that became a high-ranking minister to Shang dynasty ruler Wu Ding.

Properties

G Scorpii is an orange K-type giant. The measured angular diameter 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. Calculations based on its physical properties give a diameter of about 20 R☉. With an effective surface temperature of 4,535 K, it has a bolometric luminosity of 93 L☉.

Evolutionary models show that G Scorpii has probably left the red giant branch and is now fusing helium in its core. This makes it a red clump star, at the cool end of the horizontal branch.

Just 5 arcminutes to the east is the globular cluster NGC 6441. At magnitude 3.2, G Scorpii is around 40 times brighter than the entire globular cluster.

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, S2CID 18759600.
  2. ^ Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory, 4 (99): 99, Bibcode:1966CoLPL...4...99J.
  3. ^ Kallinger, T.; Beck, P. G.; Hekker, S.; Huber, D.; Kuschnig, R.; Rockenbauer, M.; Winter, P. M.; Weiss, W. W.; Handler, G.; Moffat, A. F. J.; Pigulski, A.; Popowicz, A.; Wade, G. A.; Zwintz, K. (2019), "Stellar masses from granulation and oscillations of 23 bright red giants observed by BRITE-Constellation", Astronomy and Astrophysics, 624: A35, arXiv:1902.07531, Bibcode:2019A&A...624A..35K, doi:10.1051/0004-6361/201834514, S2CID 102486794.
  4. 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, S2CID 119476992.
  5. Wilson, Ralph Elmer (1953). "General Catalogue of Stellar Radial Velocities". Carnegie Institute Washington D.C. Publication. Washington: Carnegie Institution of Washington. Bibcode:1953GCRV..C......0W.
  6. Cardini, D. (January 2005), "Mg II chromospheric radiative loss rates in cool active and quiet stars", Astronomy and Astrophysics, 430: 303–311, arXiv:astro-ph/0409683, Bibcode:2005A&A...430..303C, doi:10.1051/0004-6361:20041440, S2CID 12136256.
  7. Charbonnel, C.; Lagarde, N.; Jasniewicz, G.; North, P. L.; Shetrone, M.; Krugler Hollek, J.; Smith, V. V.; Smiljanic, R.; Palacios, A.; Ottoni, G. (2020), "Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era", Astronomy and Astrophysics, 633: A34, arXiv:1910.12732, Bibcode:2020A&A...633A..34C, doi:10.1051/0004-6361/201936360, S2CID 204907220.
  8. De Medeiros, J. R.; Alves, S.; Udry, S.; Andersen, J.; Nordström, B.; Mayor, M. (2014), "A catalog of rotational and radial velocities for evolved stars. V. Southern stars", Astronomy and Astrophysics, 561: A126, arXiv:1312.3474, Bibcode:2014A&A...561A.126D, doi:10.1051/0004-6361/201220762, S2CID 54046583.
  9. Ian Ridpath, "Telescopium", Star Tales, retrieved 2020-05-23.
  10. Naming Stars, IAU.org, retrieved 16 December 2017.
  11. Richichi, A.; Percheron, I.; Khristoforova, M. (February 2005), "CHARM2: An updated Catalog of High Angular Resolution Measurements", Astronomy and Astrophysics, 431 (2): 773–777, Bibcode:2005A&A...431..773R, doi:10.1051/0004-6361:20042039
  12. Lang, Kenneth R. (2006), Astrophysical formulae, Astronomy and astrophysics library, vol. 1 (3rd ed.), Birkhäuser, ISBN 3540296921. The radius (R*) is given by:
    2 ⋅ R ∗ = ( 38.6 ⋅ 3.94 ⋅ 10 − 3 )   AU 0.0046491   AU / R ⨀ ≈ 32.7 ⋅ R ⨀ {\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}}}
  13. O'Meara, Stephen James (2013), Deep-Sky Companions: Southern Gems, Cambridge University Press, pp. 360–363, Bibcode:2013dcsg.book.....O, ISBN 978-1139851541.
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