HD 92945

HD 92945

A light curve for V419 Hydrae, plotted over one 13.47 day period, from TESS data[1]
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Hydra
Right ascension 10h 43m 28.2717s[2]
Declination −29° 03′ 51.421″[2]
Apparent magnitude (V) 7.76[2]
Characteristics
Spectral type K1V[2]
B−V color index 0.9[2]
Variable type BY[3]
Astrometry
Radial velocity (Rv)22.706±0.14[4] km/s
Proper motion (μ) RA: -215.484[4] mas/yr
Dec.: -49.892[4] mas/yr
Parallax (π)46.4931 ± 0.0198 mas[4]
Distance70.15 ± 0.03 ly
(21.509 ± 0.009 pc)
Absolute magnitude (MV)6.07[5]
Details
Mass0.80 (0.77 to 0.85)[6] M☉
Radius0.77[7] R☉
Luminosity0.38[7] L☉
Temperature5000[6] K
Metallicity [Fe/H]−0.17[6] dex
Rotational velocity (v sin i)4[6] km/s
Age294 ± 23[7] Myr
Other designations
V419 Hydrae, V419 Hya, CD−28 8394, CPD−28 4175, GJ 3615, HIP 52462, LTT 3932, NLTT 25167, PPM 258065, SAO 179168, 2MASS J10432828-2903513[2]
Database references
SIMBADdata

HD 92945 is a K-type main sequence star in the constellation of Hydra.[2] Its apparent visual magnitude varies by 0.02 magnitudes and is approximately 7.72 at maximum brightness.[3]

  1. ^ Cite error: The named reference MAST was invoked but never defined (see the help page).
  2. ^ a b c d e f g "V* V419 Hya". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved February 2, 2011.
  3. ^ a b V419 Hya, 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 February 2, 2011.
  4. ^ a b c d 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.
  5. ^ Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015, S2CID 119257644.
  6. ^ a b c d HD 92945, database entry, The Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line February 2, 2011.
  7. ^ a b c Cite error: The named reference apj698_2_1068 was invoked but never defined (see the help page).