AZ Cancri

AZ Cancri

Image of AZ Cancri from the Sloan Digital Sky Survey; it is the red star close to the centre.
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cancer
Right ascension 08h 40m 29.679s[1]
Declination +18° 24′ 08.73″[1]
Apparent magnitude (V) 17.59[2]
Characteristics
Spectral type M6.5eV[2]
B−V color index 1.6[2]
V−R color index 1.0[2]
R−I color index 3.2[2]
Variable type UV[3]
Astrometry
Proper motion (μ) RA: −809.817[1] mas/yr
Dec.: −448.969[1] mas/yr
Parallax (π)73.8573 ± 0.0671 mas[1]
Distance44.16 ± 0.04 ly
(13.54 ± 0.01 pc)
Absolute magnitude (MV)16.85[4]
Details
Mass0.10[5] M☉
Radius0.13[5] R☉
Luminosity0.015[5] L☉
Surface gravity (log g)5.24[6] cgs
Temperature2,825[5] K
Metallicity [Fe/H]+0.27[7] dex
Age100[8] Myr
Other designations
AZ Cnc, GJ 316.1, LHS 2034, NLTT 20016[2]
Database references
SIMBADdata

AZ Cancri (AZ Cnc) is a M-type flare star in the constellation Cancer.[2] It has an apparent visual magnitude of approximately 17.59.[2]

  1. ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  2. ^ a b c d e f g h "V* AZ Cnc". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved October 13, 2010.
  3. ^ AZ Cnc, database entry, The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars Archived 2017-06-20 at the Wayback Machine, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line October 13, 2010.
  4. ^ From apparent magnitude and parallax.
  5. ^ a b c d Sebastian, D.; Gillon, M.; Ducrot, E.; Pozuelos, F. J.; Garcia, L. J.; Günther, M. N.; Delrez, L.; Queloz, D.; Demory, B. O.; Triaud, A. H. M. J.; Burgasser, A.; De Wit, J.; Burdanov, A.; Dransfield, G.; Jehin, E.; McCormac, J.; Murray, C. A.; Niraula, P.; Pedersen, P. P.; Rackham, B. V.; Sohy, S.; Thompson, S.; Van Grootel, V. (2021). "SPECULOOS: Ultracool dwarf transit survey. Target list and strategy". Astronomy and Astrophysics. 645: 645. arXiv:2011.02069. Bibcode:2021A&A...645A.100S. doi:10.1051/0004-6361/202038827. S2CID 226245978.
  6. ^ 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. eISSN 1538-3881.
  7. ^ Newton, Elisabeth R.; et al. (January 2017). "The Hα Emission of Nearby M Dwarfs and its Relation to Stellar Rotation". The Astrophysical Journal. 834 (1): 13. arXiv:1611.03509. Bibcode:2017ApJ...834...85N. doi:10.3847/1538-4357/834/1/85. S2CID 55000202. 85.
  8. ^ Klutsch, A.; Freire Ferrero, R.; Guillout, P.; Frasca, A.; Marilli, E.; Montes, D. (2014). "Reliable probabilistic determination of membership in stellar kinematic groups in the young disk". Astronomy and Astrophysics. 567: A52. Bibcode:2014A&A...567A..52K. doi:10.1051/0004-6361/201322575.