Mu Telescopii
Star in the constellation Telescopium
Mu Telescopii , Latinized from μ Telescopii is a solitary star in the southern constellation Telescopium . It has an apparent visual magnitude of 6.28,[ 2] placing it near the limit of naked eye visibility. The object is relatively close at a distance of 118 light years [ 1] but is receding with a heliocentric radial velocity of 8.6 km/s .[ 5]
Mu Telescopii has a stellar classification of F5 V,[ 3] indicating that it is an ordinary F-type main sequence star . It has been noted to be chromospherically active .[ 3] The star is 2.12 billion years [ 11] old with a current mass of 1.28 M ☉ ,[ 7] and has a diameter 1.4 times that of the Sun It is radiating 3.22 times the luminosity of the Sun [ 9] from its photosphere at an effective temperature of 6,570 K ,[ 10] giving a yellow white hue. Mu Telescopii is slightly metal deficient with an iron abundance 87% that of the Sun[ 11] and spins with a projected rotational velocity of 6.9 km/s .[ 12]
It has been observed for infrared excess suggesting the presence of a debris disk but so far, none has been found.[ 15]
References
^ a b c d e Brown, A. G. A. ; et al. (Gaia collaboration) (2021). "Gaia Early Data Release 3: Summary of the contents and survey properties" . Astronomy & Astrophysics . 649 : A1. arXiv :2012.01533 . Bibcode :2021A&A...649A...1G . doi :10.1051/0004-6361/202039657 . S2CID 227254300 . (Erratum: doi :10.1051/0004-6361/202039657e ) . Gaia EDR3 record for this source at VizieR .
^ a b Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (March 2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics . 355 : L27–L30. Bibcode :2000A&A...355L..27H . ISSN 0004-6361 .
^ a b c Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Bubar, E. J.; McGahee, C. E.; O'Donoghue, A. A.; Knox, E. R. (2 June 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 . eISSN 1538-3881 . ISSN 0004-6256 .
^ 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 .
^ a b 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 .
^ 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 .
^ a b 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 .
^ a b 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 .
^ a b Brown, A. G. A. ; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties" . Astronomy & Astrophysics . 616 . A1. arXiv :1804.09365 . Bibcode :2018A&A...616A...1G . doi :10.1051/0004-6361/201833051 . Gaia DR2 record for this source at VizieR .
^ a b 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 .
^ a b c d Gontcharov, G. A. (December 2012). "Dependence of kinematics on the age of stars in the solar neighborhood". Astronomy Letters . 38 (12): 771–782. arXiv :1606.08814 . Bibcode :2012AstL...38..771G . doi :10.1134/S1063773712120031 . ISSN 0320-0108 . S2CID 255201789 .
^ a b Groot, P. J.; Piters, A. J. M.; van Paradijs, J. (September 1996). "Rotational velocities of F dwarfs; application of the Fourier-Bessel transformation method" . Astronomy and Astrophysics Supplement Series . 118 (3): 545–555. Bibcode :1996A&AS..118..545G . doi :10.1051/aas:1996214 . ISSN 0365-0138 .
^ "mu. Tel" . SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2017-06-01 .{{cite web }}
: CS1 maint: postscript (link )
^ 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 .
^ 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 .