Kepler-445

Kepler-445
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus[1]
Right ascension 19h 54m 56.65923s[2]
Declination +46° 29′ 54.7936″[2]
Apparent magnitude (V) 18.19[3]
Characteristics
Evolutionary stage Main sequence
Spectral type M4V[4]
Apparent magnitude (G) 16.685±0.003[2]
Apparent magnitude (J) 13.542±0.029[4]
Apparent magnitude (H) 12.929±0.035[4]
Apparent magnitude (K) 12.610±0.028[4]
Astrometry
Proper motion (μ) RA: 41.465 mas/yr[2]
Dec.: 132.351 mas/yr[2]
Parallax (π)8.1366 ± 0.0457 mas[2]
Distance401 ± 2 ly
(122.9 ± 0.7 pc)
Details[5]
Mass0.334+0.080
−0.059 M☉
Radius0.347+0.068
−0.049 R☉
Luminosity (bolometric)0.0115 L☉
Temperature3219+89
−63 K
Metallicity [Fe/H]+0.27 dex
Other designations
Kepler-445, KOI-2704, KIC 9730163, TIC 268060194, 2MASS J19545665+4629548[4]
Database references
SIMBADdata

Kepler-445 is a red dwarf star located 401 light-years (123 parsecs) away in the constellation Cygnus. It hosts three known exoplanets, discovered by the transit method using data from the Kepler space telescope and confirmed in 2015.[6] None of the planets orbit within the habitable zone.[7]

  1. ^ "Finding the constellation which contains given sky coordinates". djm.cc. 2 August 2008.
  2. ^ a b c d e Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference NASAExoplanetArchive was invoked but never defined (see the help page).
  4. ^ a b c d e Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Mann2017 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Muirhead2015 was invoked but never defined (see the help page).
  7. ^ "[...] all of the planets are likely too hot to be located within their host stars’ habitable zones [...]"[6]: 8