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TX Camelopardalis

Summary

TX Camelopardalis (abbreviated TX Cam) is a Mira-type variable star in the constellation Camelopardalis. It is a classical long period variable star with pulsational period of 558.7 days.[2] Water masers have been observed around the star.[8]

TX Camelopardalis

The visual band light curve for TX Camelopardalis, from AAVSO data[1]
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Camelopardalis
Right ascension 05h 00m 50.39s
Declination +56° 10′ 52″
Apparent magnitude (V) 7.8 - 16.9[2]
Characteristics
Spectral type M8/10III[3]
Variable type Mira[2]
Astrometry
Proper motion (μ) RA: 11.448[4] mas/yr
Dec.: −21.294[4] mas/yr
Parallax (π)2.9991 ± 0.3335 mas[4]
Distanceapprox. 1,100 ly
(approx. 330 pc)
Details
Radius460,[5] 305-727[3] R☉
Luminosity9,638[6]-11,360[5] L☉
Temperature2,300[7]-2,779[5] K
Other designations
TX Cam, Hetzler II 1, IRAS 04566+5606, IRC +60150, RAFGL 664
Database references
SIMBADdata

References edit

  1. ^ "Download Data". aavso.org. AAVSO. Retrieved 1 October 2021.
  2. ^ a b c Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1: B/gcvs. Bibcode:2009yCat....102025S.
  3. ^ a b Kemball, A. J.; Diamond, P. J. (1997). "Imaging the Magnetic Field in the Atmosphere of TX Camelopardalis". Astrophysical Journal Letters. 481 (2): 111–114. Bibcode:1997ApJ...481L.111K. doi:10.1086/310664. S2CID 118664171.
  4. ^ a b c 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.
  5. ^ a b c De Beck, E.; Decin, L.; De Koter, A.; Justtanont, K.; Verhoelst, T.; Kemper, F.; Menten, K. M. (2010). "Probing the mass-loss history of AGB and red supergiant stars from CO rotational line profiles. II. CO line survey of evolved stars: derivation of mass-loss rate formulae". Astronomy and Astrophysics. 523: A18. arXiv:1008.1083. Bibcode:2010A&A...523A..18D. doi:10.1051/0004-6361/200913771. S2CID 16131273. A18.
  6. ^ Olivier, Enrico A.; Whitelock, Patricia; Marang, Fred (2001). "Dust-enshrouded asymptotic giant branch stars in the solar neighbourhood". Monthly Notices of the Royal Astronomical Society. 326 (2): 490. arXiv:astro-ph/0103294. Bibcode:2001MNRAS.326..490O. doi:10.1046/j.1365-8711.2001.04511.x. S2CID 15509666.
  7. ^ Lorenz-Martins, S.; Pompeia, L. (2000). "Modelling of oxygen-rich envelopes using corundum and silicate grains". Monthly Notices of the Royal Astronomical Society. 315 (4): 856. Bibcode:2000MNRAS.315..856L. doi:10.1046/j.1365-8711.2000.03486.x.
  8. ^ Kemball; Diamond, Philip J.; Gonidakis, Ioannis; Mitra, Modhurita; Yim, Kijeong; Pan, Kuo-Chuan; Chiang, Hsin-Fang (2009). "Multi-epoch imaging polarimetry of the SiO masers in the extended atmosphere of the Mira variable TX Cam". The Astrophysical Journal. 698 (2): 1721–1739. arXiv:0904.2621. Bibcode:2009ApJ...698.1721K. doi:10.1088/0004-637X/698/2/1721. S2CID 5465685.