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Mu Telescopii, Latinized from μ Telescopii is a solitary star in the southern constellation Telescopium. It has an apparent visual magnitude of 6.28, placing it near the limit of naked eye visibility. The object is relatively close at a distance of 118 light years but is receding with a heliocentric radial velocity of 8.6 km/s.

Mu Telescopii has a stellar classification of F5 V, indicating that it is an ordinary F-type main sequence star. It has been noted to be chromospherically active. The star is 2.12 billion years old with a current mass of 1.28 M_☉, and has a diameter 1.4 times that of the Sun It is radiating 3.22 times the luminosity of the Sun from its photosphere at an effective temperature of 6,570 K, giving a yellow white hue. Mu Telescopii is slightly metal deficient with an iron abundance 87% that of the Sun and spins with a projected rotational velocity of 6.9 km/s.

It has been observed for infrared excess suggesting the presence of a debris disk but so far, none has been found.

References

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4. Stoy, R. H. (October 1968). "Photoelectric Magnitudes and Colours for Bright Southern Stars". Monthly Notes of the Astronomical Society of South Africa. 27: 119. Bibcode:1968MNSSA..27..119S. ISSN 0024-8266.
5. ^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. ISSN 1063-7737. S2CID 119231169.
6. Anderson, E.; Francis, Ch. (May 2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331–346. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. ISSN 1063-7737. S2CID 119257644.
7. ^ David, Trevor J.; Hillenbrand, Lynne A. (12 May 2015). "The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets". The Astrophysical Journal. 804 (2): 146. arXiv:1501.03154. Bibcode:2015ApJ...804..146D. doi:10.1088/0004-637X/804/2/146. ISSN 1538-4357.
8. ^ Stassun, Keivan G.; et al. (9 September 2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv:1905.10694. Bibcode:2019AJ....158..138S. doi:10.3847/1538-3881/ab3467. ISSN 0004-6256.
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10. ^ Casagrande, L.; Schönrich, R.; Asplund, M.; Cassisi, S.; Ramírez, I.; Meléndez, J.; Bensby, T.; Feltzing, S. (June 2011). "New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s): Improved astrophysical parameters for the Geneva-Copenhagen Survey⋆". Astronomy & Astrophysics. 530: A138. arXiv:1103.4651. Bibcode:2011A&A...530A.138C. doi:10.1051/0004-6361/201016276. ISSN 0004-6361.
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14. Gould, Benjamin Apthorp (1878). "Uranometria Argentina : brillantez y posicion de las estrellas fijas, hasta la septima magnitud, comprendidas dentro de cien grados del polo austral : con atlas". Resultados del Observatorio Nacional Argentino. 1. Bibcode:1879RNAO....1.....G.
15. Gáspár, András; Rieke, George H.; Ballering, Nicholas (29 July 2016). "The Correlation Between Metallicity and Debris Disk Mass". The Astrophysical Journal. 826 (2): 171. arXiv:1604.07403. Bibcode:2016ApJ...826..171G. doi:10.3847/0004-637X/826/2/171. eISSN 1538-4357.

v t e Constellation of Telescopium
List of stars in Telescopium Telescopium in Chinese astronomy
Stars	Bayer α δ δ ε ζ η ι κ λ μ ν ξ ρ τ Variable RR RS RX BL HO PV PW PZ QQ QS QU QV HR 6778 6821 6894 6954 6986 7065 7092 7093 7095 7097 7190 7223 7233 7271 7289 7297 7370 7388 7411 7459 7521 7537 7548 7549 7621 7674 7714 7745 7749 7758 7766 HD 168871 173047 177365 181295 191760 Other KELT-10 Gliese 754 Gliese 784 GJ 1252
Exoplanets Gliese 754 b Gliese 784 b GJ 1252 b KELT-10b
Star clusters NGC 6584
Galaxies	NGC 6845 6861 Other PKS 2014-55
Category

• F-type main-sequence stars
• Bayer objects
• Telescopium
• Durchmusterung objects
• Henry Draper Catalogue objects
• Hipparcos objects
• Bright Star Catalogue objects
• Gould objects