TY Coronae Borealis, also known as Ross 808, is a variablewhite dwarfstar of the DAV (or ZZ Ceti) type in the constellation Corona Borealis. It has a surface temperature of 11,213 ± 130 K and a mass around 70% times that of the Sun, but only 1.1% of its diameter.[5] It is 107 light-years distant from Earth.[2] It was confirmed as a variable star in 1976.[6]
^Bognár, Zs.; Paparó, M.; Sódor, Á.; Jenei, D. I.; Kalup, Cs.; Bertone, E.; Chavez-Dagostino, M.; Montgomery, M. H.; Gyõrffy, Á.; Molnár, L.; Ollé, H.; Pápics, P. I.; Plachy, E.; Verebélyi, E. (January 2019). "Wandering near the red edge: photometric observations of three cool ZZ Ceti stars". Monthly Notices of the Royal Astronomical Society. 482 (3): 4018–4031. arXiv:1810.09711. Bibcode:2019MNRAS.482.4018B. doi:10.1093/mnras/sty2884.
^ abcdefBrown, 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.
^Romero, A. D.; Córsico, A. H.; Althaus, L. G.; Kepler, S. O.; Castanheira, B. G.; Miller Bertolami, M. M. (2012). "Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models". Monthly Notices of the Royal Astronomical Society. 420 (2): 1462–80. arXiv:1109.6682. Bibcode:2012MNRAS.420.1462R. doi:10.1111/j.1365-2966.2011.20134.x. S2CID 55018129.
^McGraw, John T.; Robinson, Edward L. (1976). "High-speed photometry of luminosity-variable DA dwarfs: R808, GD 99, and G 117-B15A". Astrophysical Journal Letters. 205: L155-58. Bibcode:1976ApJ...205L.155M. doi:10.1086/182112.
This variable star–related article is a stub. You can help Wikipedia by expanding it.
coronae, borealis, also, known, ross, variable, white, dwarf, star, ceti, type, constellation, corona, borealis, surface, temperature, mass, around, times, that, only, diameter, light, years, distant, from, earth, confirmed, variable, star, 1976, blue, band, l. TY Coronae Borealis also known as Ross 808 is a variable white dwarf star of the DAV or ZZ Ceti type in the constellation Corona Borealis It has a surface temperature of 11 213 130 K and a mass around 70 times that of the Sun but only 1 1 of its diameter 5 It is 107 light years distant from Earth 2 It was confirmed as a variable star in 1976 6 TY Coronae BorealisA blue band light curve for TY Coronae Borealis adapted from Bognar et al 2019 1 Observation dataEpoch J2000 0 Equinox J2000 0 Constellation Corona Borealis Right ascension 16h 01m 23 187s 2 Declination 36 48 34 29 2 Apparent magnitude V 14 53 3 Characteristics Evolutionary stage White dwarf Spectral type DA4 4 4 AstrometryProper motion m RA 101 113 2 mas yr Dec 545 353 2 mas yrParallax p 30 4668 0 0187 mas 2 Distance107 05 0 07 ly 32 82 0 02 pc Other designationsTY CrB Ross 808 WD 1600 369 LTT 14769 NLTT 41782 2MASS J16012317 3648351 4 Database referencesSIMBADdataReferences edit Bognar Zs Paparo M Sodor A Jenei D I Kalup Cs Bertone E Chavez Dagostino M Montgomery M H Gyorffy A Molnar L Olle H Papics P I Plachy E Verebelyi E January 2019 Wandering near the red edge photometric observations of three cool ZZ Ceti stars Monthly Notices of the Royal Astronomical Society 482 3 4018 4031 arXiv 1810 09711 Bibcode 2019MNRAS 482 4018B doi 10 1093 mnras sty2884 a b c d e f Brown A G A et al Gaia collaboration 2021 Gaia Early Data Release 3 Summary of the contents and survey properties Astronomy amp Astrophysics 649 A1 arXiv 2012 01533 Bibcode 2021A amp 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 Watson Christopher 4 January 2010 TY Coronae Borealis AAVSO Website American Association of Variable Star Observers Retrieved 23 November 2014 a b TY CrB SIMBAD Centre de donnees astronomiques de Strasbourg Retrieved 5 December 2016 Romero A D Corsico A H Althaus L G Kepler S O Castanheira B G Miller Bertolami M M 2012 Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models Monthly Notices of the Royal Astronomical Society 420 2 1462 80 arXiv 1109 6682 Bibcode 2012MNRAS 420 1462R doi 10 1111 j 1365 2966 2011 20134 x S2CID 55018129 McGraw John T Robinson Edward L 1976 High speed photometry of luminosity variable DA dwarfs R808 GD 99 and G 117 B15A Astrophysical Journal Letters 205 L155 58 Bibcode 1976ApJ 205L 155M doi 10 1086 182112 nbsp This variable star related article is a stub You can help Wikipedia by expanding it vte nbsp This article about a white dwarf is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title TY Coronae Borealis amp oldid 1134882282, wikipedia, wiki, book, books, library,
