Gliese 414

Gliese 414
Observation data
Epoch J2000      Equinox J2000
Constellation Ursa Major[note 1]
GJ 414 A[1]
Right ascension 11h 11m 05.17s
Declination +30° 26′ 45.7″
Apparent magnitude (V) 8.864±0.012[2]
GJ 414 B[3]
Right ascension 11h 11m 02.54s
Declination +30° 26′ 41.3″
Apparent magnitude (V) 10[3]
Characteristics
GJ 414 A
Spectral type K7V[1]
B−V color index 1.255[2]
Variable type None
GJ 414 B
Spectral type M2V[3]
B−V color index 2.41±0.34[2]
Variable type None
Astrometry
GJ 414 A
Radial velocity (Rv)−16.63 [1] km/s
Proper motion (μ) RA: 591.622±0.0812 mas/yr[4]
Dec.: −197.247±0.0911 mas/yr[4]
Parallax (π)84.1766 ± 0.0258 mas[1]
Distance38.75 ± 0.01 ly
(11.880 ± 0.004 pc)
GJ 414 B
Radial velocity (Rv)−15.34[3] km/s
Proper motion (μ) RA: 604.831±0.0806 mas/yr[4]
Dec.: −206.442±0.0751 mas/yr[4]
Parallax (π)84.1554 ± 0.0200 mas[3]
Distance38.756 ± 0.009 ly
(11.883 ± 0.003 pc)
Details[2]
GJ 414 A
Mass0.65±0.08 M☉
Radius0.68±0.14 R☉
Luminosity0.119±0.013 L☉
Habitable zone inner limit0.37 AU
Habitable zone outer limit0.70 AU
Temperature4120±109 K
Metallicity [Fe/H]0.24±0.1 dex
Rotational velocity (v sin i)3[5] km/s
Age12.4±5.2 Gyr
GJ 414 B
Mass0.542±0.022 M☉
Radius0.548±0.017 R☉
Luminosity0.05 L☉
Temperature3663±70 K
Metallicity [Fe/H]0.08±0.09 dex
Age11.2±5.9 Gyr
Other designations
Gliese 414, HD 97101, LHS 2367, DO 14370, HIC 54646, HIP 54646, LFT 767, LTT 13009, NLTT 26534, 2MASS J11110509+3026459, TIC 9001920, TYC 2520-2524-1, WDS J11111+3027A, WISEA J111105.67+302643.6, Gaia EDR3 732857558276385664[1]
Position (relative to Gliese 414 A)[2]
ComponentGliese 414 B
Angular distance34.34″
Projected separation408 AU
Database references
SIMBADdata

Gliese 414, also known as GJ 414, is a binary system made up of an orange dwarf and a red dwarf, located about 39 light years from Earth, in the constellation Ursa Major.[6][note 1] With an apparent magnitude of 8.31, it is not visible to the naked eye.[4][6] The primary component of the system has two known exoplanets.[7]

  1. ^ a b c d e f "HD 97101". SIMBAD. Retrieved January 16, 2024.
  2. ^ a b c d e Cite error: The named reference :Dedrick was invoked but never defined (see the help page).
  3. ^ a b c d e "HD 97101B". SIMBAD. Retrieved January 16, 2024.
  4. ^ a b c "Gliese 414 Overview". NASA Exoplanet Archive. Archived from the original on December 9, 2023. Retrieved December 13, 2023.
  5. ^ Nordström, B.; Mayor, M.; Andersen, J.; Holmberg, J.; Pont, F.; Jørgensen, B. R.; Olsen, E. H.; Udry, S.; Mowlavi, N. (2004-05-01). "The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs". Astronomy and Astrophysics. 418: 989–1019. arXiv:astro-ph/0405198. Bibcode:2004A&A...418..989N. doi:10.1051/0004-6361:20035959. ISSN 0004-6361. Archived from the original on 2022-09-22. Retrieved 2024-06-07.
  6. ^ a b "★ Gliese 414". Stellar Catalog. Archived from the original on 2023-12-13. Retrieved 2023-12-14.
  7. ^ Cite error: The named reference :0 was invoked but never defined (see the help page).


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